/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-08 00:08:01,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-08 00:08:01,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-08 00:08:01,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-08 00:08:01,404 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-08-08 00:08:01,434 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-08 00:08:01,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-08 00:08:01,434 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-08 00:08:01,435 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-08 00:08:01,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-08 00:08:01,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-08 00:08:01,437 INFO L138 SettingsManager]: * Use SBE=true [2021-08-08 00:08:01,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-08 00:08:01,437 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-08 00:08:01,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-08 00:08:01,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-08 00:08:01,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-08 00:08:01,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-08 00:08:01,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-08 00:08:01,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-08 00:08:01,438 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-08 00:08:01,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-08 00:08:01,439 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-08 00:08:01,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-08 00:08:01,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-08 00:08:01,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-08 00:08:01,439 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-08 00:08:01,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-08 00:08:01,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-08 00:08:01,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-08 00:08:01,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-08 00:08:01,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-08 00:08:01,440 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-08 00:08:01,440 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-08 00:08:01,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-08 00:08:01,440 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-08 00:08:01,440 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-08 00:08:01,440 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-08 00:08:01,440 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-08 00:08:01,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-08 00:08:01,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-08 00:08:01,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-08 00:08:01,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-08 00:08:01,703 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-08 00:08:01,704 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-08 00:08:01,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl [2021-08-08 00:08:01,705 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl' [2021-08-08 00:08:01,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-08 00:08:01,731 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-08 00:08:01,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-08 00:08:01,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-08 00:08:01,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-08 00:08:01,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 12:08:01" (1/1) ... [2021-08-08 00:08:01,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 12:08:01" (1/1) ... [2021-08-08 00:08:01,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-08 00:08:01,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-08 00:08:01,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-08 00:08:01,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-08 00:08:01,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 12:08:01" (1/1) ... [2021-08-08 00:08:01,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 12:08:01" (1/1) ... [2021-08-08 00:08:01,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 12:08:01" (1/1) ... [2021-08-08 00:08:01,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 12:08:01" (1/1) ... [2021-08-08 00:08:01,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 12:08:01" (1/1) ... [2021-08-08 00:08:01,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 12:08:01" (1/1) ... [2021-08-08 00:08:01,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 12:08:01" (1/1) ... [2021-08-08 00:08:01,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-08 00:08:01,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-08 00:08:01,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-08 00:08:01,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-08 00:08:01,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 12:08:01" (1/1) ... [2021-08-08 00:08:01,776 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-08 00:08:01,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:08:01,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-08 00:08:01,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-08 00:08:01,820 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-08 00:08:01,820 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-08 00:08:01,821 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-08 00:08:01,821 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-08 00:08:01,821 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-08 00:08:01,821 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-08 00:08:01,822 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-08 00:08:01,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-08 00:08:01,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-08 00:08:01,823 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-08 00:08:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-08 00:08:01,823 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-08 00:08:01,824 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-08 00:08:01,955 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-08 00:08:01,956 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-08 00:08:01,957 INFO L202 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 12:08:01 BoogieIcfgContainer [2021-08-08 00:08:01,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-08 00:08:01,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-08 00:08:01,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-08 00:08:01,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-08 00:08:01,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 12:08:01" (1/2) ... [2021-08-08 00:08:01,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@443bdfd2 and model type sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 12:08:01, skipping insertion in model container [2021-08-08 00:08:01,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 12:08:01" (2/2) ... [2021-08-08 00:08:01,962 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-fun-alt.wvr.bpl [2021-08-08 00:08:01,965 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-08 00:08:01,966 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-08 00:08:01,966 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-08 00:08:01,966 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-08 00:08:02,011 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-08 00:08:02,054 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-08 00:08:02,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:08:02,055 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-08 00:08:02,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-08 00:08:02,110 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-08 00:08:02,114 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-08 00:08:02,114 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-08 00:08:02,265 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:08:02,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:08:02,271 INFO L82 PathProgramCache]: Analyzing trace with hash -375177488, now seen corresponding path program 1 times [2021-08-08 00:08:02,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:08:02,276 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686256552] [2021-08-08 00:08:02,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:08:02,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:08:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:08:02,488 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-08-08 00:08:02,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:08:02,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686256552] [2021-08-08 00:08:02,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686256552] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:02,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046737308] [2021-08-08 00:08:02,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:08:02,490 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:08:02,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:08:02,492 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:08:02,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-08 00:08:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:08:02,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-08 00:08:02,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:08:02,847 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-08-08 00:08:02,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046737308] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:02,848 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:08:02,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-08-08 00:08:02,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317603971] [2021-08-08 00:08:02,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-08 00:08:02,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:08:02,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-08 00:08:02,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-08 00:08:02,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:02,867 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:08:02,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:08:02,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:02,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:02,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-08 00:08:03,181 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,SelfDestructingSolverStorable0 [2021-08-08 00:08:03,181 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:08:03,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:08:03,182 INFO L82 PathProgramCache]: Analyzing trace with hash -380632366, now seen corresponding path program 2 times [2021-08-08 00:08:03,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:08:03,182 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957654663] [2021-08-08 00:08:03,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:08:03,182 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:08:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:08:03,268 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-08 00:08:03,268 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:08:03,268 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957654663] [2021-08-08 00:08:03,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957654663] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:03,268 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121731252] [2021-08-08 00:08:03,268 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-08 00:08:03,269 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:08:03,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:08:03,269 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:08:03,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-08 00:08:03,310 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-08 00:08:03,310 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:08:03,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-08 00:08:03,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:08:03,585 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-08 00:08:03,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121731252] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:03,586 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:08:03,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-08-08 00:08:03,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104433654] [2021-08-08 00:08:03,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-08 00:08:03,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:08:03,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-08 00:08:03,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-08-08 00:08:03,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:03,590 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:08:03,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:08:03,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:03,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:03,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:03,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:08:03,707 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-08-08 00:08:03,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:08:03,893 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:08:03,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:08:03,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1327802828, now seen corresponding path program 3 times [2021-08-08 00:08:03,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:08:03,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181917546] [2021-08-08 00:08:03,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:08:03,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:08:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:08:04,015 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:08:04,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:08:04,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181917546] [2021-08-08 00:08:04,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181917546] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:04,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624837629] [2021-08-08 00:08:04,016 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-08 00:08:04,016 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:08:04,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:08:04,017 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:08:04,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-08 00:08:04,087 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-08 00:08:04,087 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:08:04,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-08 00:08:04,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:08:04,338 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:08:04,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624837629] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:04,338 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:08:04,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2021-08-08 00:08:04,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176829342] [2021-08-08 00:08:04,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-08-08 00:08:04,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:08:04,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-08 00:08:04,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2021-08-08 00:08:04,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:04,340 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:08:04,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:08:04,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:04,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:08:04,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:08:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:08:04,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-08 00:08:04,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:08:04,657 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:08:04,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:08:04,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1025550058, now seen corresponding path program 4 times [2021-08-08 00:08:04,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:08:04,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272001814] [2021-08-08 00:08:04,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:08:04,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:08:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:08:05,140 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:08:05,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:08:05,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272001814] [2021-08-08 00:08:05,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272001814] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:05,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197046879] [2021-08-08 00:08:05,141 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-08 00:08:05,141 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:08:05,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:08:05,145 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:08:05,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-08 00:08:05,224 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-08 00:08:05,224 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:08:05,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 40 conjunts are in the unsatisfiable core [2021-08-08 00:08:05,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:08:06,321 INFO L354 Elim1Store]: treesize reduction 29, result has 49.1 percent of original size [2021-08-08 00:08:06,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 39 treesize of output 50 [2021-08-08 00:08:06,389 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:08:06,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197046879] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:06,389 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:08:06,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 27 [2021-08-08 00:08:06,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253330395] [2021-08-08 00:08:06,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-08-08 00:08:06,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:08:06,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-08-08 00:08:06,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2021-08-08 00:08:06,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:06,391 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:08:06,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.2222222222222223) internal successors, (60), 27 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:08:06,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:06,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:08:06,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:08:06,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:07,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:07,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:08:07,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:08:07,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-08 00:08:07,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-08 00:08:07,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:08:07,989 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:08:07,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:08:07,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1676553080, now seen corresponding path program 5 times [2021-08-08 00:08:07,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:08:07,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655179739] [2021-08-08 00:08:07,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:08:07,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:08:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:08:08,096 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 9 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:08:08,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:08:08,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655179739] [2021-08-08 00:08:08,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655179739] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:08,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254476273] [2021-08-08 00:08:08,097 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-08 00:08:08,097 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:08:08,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:08:08,098 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:08:08,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-08 00:08:08,227 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-08-08 00:08:08,227 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:08:08,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-08 00:08:08,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:08:08,637 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:08:08,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254476273] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:08,637 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:08:08,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2021-08-08 00:08:08,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660439845] [2021-08-08 00:08:08,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-08-08 00:08:08,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:08:08,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-08-08 00:08:08,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=449, Unknown=0, NotChecked=0, Total=552 [2021-08-08 00:08:08,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:08,639 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:08:08,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 24 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:08:08,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:08,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:08:08,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:08:08,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-08 00:08:08,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:09,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:09,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:08:09,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:08:09,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:08:09,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:08:09,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-08 00:08:09,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:08:09,367 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:08:09,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:08:09,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1692492100, now seen corresponding path program 6 times [2021-08-08 00:08:09,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:08:09,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27474853] [2021-08-08 00:08:09,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:08:09,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:08:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:08:09,502 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:08:09,503 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:08:09,503 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27474853] [2021-08-08 00:08:09,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27474853] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:09,503 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728850419] [2021-08-08 00:08:09,503 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-08 00:08:09,503 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:08:09,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:08:09,505 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:08:09,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-08 00:08:09,641 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-08-08 00:08:09,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:08:09,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 15 conjunts are in the unsatisfiable core [2021-08-08 00:08:09,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:08:10,066 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:08:10,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728850419] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:10,066 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:08:10,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 27 [2021-08-08 00:08:10,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834728315] [2021-08-08 00:08:10,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-08-08 00:08:10,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:08:10,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-08-08 00:08:10,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=567, Unknown=0, NotChecked=0, Total=702 [2021-08-08 00:08:10,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:10,068 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:08:10,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.740740740740741) internal successors, (74), 27 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:08:10,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:10,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:08:10,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:08:10,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:08:10,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:08:10,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:10,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:10,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:08:10,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:08:10,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:08:10,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:08:10,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:08:10,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-08 00:08:10,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:08:10,413 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:08:10,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:08:10,413 INFO L82 PathProgramCache]: Analyzing trace with hash -47140442, now seen corresponding path program 7 times [2021-08-08 00:08:10,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:08:10,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534118363] [2021-08-08 00:08:10,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:08:10,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:08:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:08:10,537 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 14 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:08:10,538 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:08:10,538 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534118363] [2021-08-08 00:08:10,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534118363] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:10,538 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901353065] [2021-08-08 00:08:10,538 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-08 00:08:10,538 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:08:10,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:08:10,539 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:08:10,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-08 00:08:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:08:10,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-08 00:08:10,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:08:11,147 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 14 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:08:11,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [901353065] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:11,147 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:08:11,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-08-08 00:08:11,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340225341] [2021-08-08 00:08:11,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-08-08 00:08:11,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:08:11,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-08-08 00:08:11,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-08-08 00:08:11,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:11,148 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:08:11,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.4827586206896552) internal successors, (72), 29 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:08:11,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:11,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:08:11,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:08:11,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:08:11,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:08:11,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:08:11,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:11,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:11,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:08:11,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:08:11,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:08:11,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:08:11,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:08:11,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:08:11,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-08 00:08:11,514 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,SelfDestructingSolverStorable6 [2021-08-08 00:08:11,515 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:08:11,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:08:11,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1091735160, now seen corresponding path program 8 times [2021-08-08 00:08:11,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:08:11,515 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045248752] [2021-08-08 00:08:11,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:08:11,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:08:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:08:12,240 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 1 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:08:12,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:08:12,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045248752] [2021-08-08 00:08:12,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045248752] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:12,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253273752] [2021-08-08 00:08:12,240 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-08 00:08:12,240 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:08:12,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:08:12,241 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:08:12,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-08 00:08:12,431 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-08 00:08:12,432 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:08:12,433 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 65 conjunts are in the unsatisfiable core [2021-08-08 00:08:12,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:08:14,277 INFO L354 Elim1Store]: treesize reduction 295, result has 18.3 percent of original size [2021-08-08 00:08:14,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 15 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 40 case distinctions, treesize of input 75 treesize of output 108 [2021-08-08 00:08:14,475 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:08:14,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253273752] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:14,475 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:08:14,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22] total 40 [2021-08-08 00:08:14,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026337470] [2021-08-08 00:08:14,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2021-08-08 00:08:14,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:08:14,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-08-08 00:08:14,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=1394, Unknown=0, NotChecked=0, Total=1560 [2021-08-08 00:08:14,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:14,477 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:08:14,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 2.15) internal successors, (86), 40 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:08:14,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:14,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:08:14,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:08:14,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:08:14,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:08:14,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:08:14,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:08:14,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:17,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:17,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:08:17,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:08:17,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:08:17,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:08:17,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:08:17,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:08:17,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:08:17,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-08 00:08:17,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:08:17,833 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:08:17,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:08:17,833 INFO L82 PathProgramCache]: Analyzing trace with hash -173659038, now seen corresponding path program 9 times [2021-08-08 00:08:17,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:08:17,834 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542560967] [2021-08-08 00:08:17,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:08:17,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:08:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:08:18,029 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 24 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:08:18,030 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:08:18,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542560967] [2021-08-08 00:08:18,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542560967] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:18,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635769599] [2021-08-08 00:08:18,030 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-08 00:08:18,030 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:08:18,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:08:18,031 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:08:18,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-08 00:08:18,271 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-08-08 00:08:18,272 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:08:18,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjunts are in the unsatisfiable core [2021-08-08 00:08:18,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:08:18,828 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 24 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:08:18,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1635769599] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:18,829 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:08:18,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 37 [2021-08-08 00:08:18,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285540928] [2021-08-08 00:08:18,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-08-08 00:08:18,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:08:18,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-08-08 00:08:18,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=1078, Unknown=0, NotChecked=0, Total=1332 [2021-08-08 00:08:18,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:18,830 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:08:18,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.3783783783783785) internal successors, (88), 37 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:08:18,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:18,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:08:18,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:08:18,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:08:18,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:08:18,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:08:18,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:08:18,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:08:18,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:19,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:19,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:08:19,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:08:19,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:08:19,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:08:19,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:08:19,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:08:19,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:08:19,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:08:19,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-08 00:08:19,238 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,SelfDestructingSolverStorable8 [2021-08-08 00:08:19,239 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:08:19,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:08:19,239 INFO L82 PathProgramCache]: Analyzing trace with hash 782101060, now seen corresponding path program 10 times [2021-08-08 00:08:19,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:08:19,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826246491] [2021-08-08 00:08:19,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:08:19,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:08:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:08:20,195 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 9 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:08:20,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:08:20,195 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826246491] [2021-08-08 00:08:20,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826246491] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:20,195 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81155406] [2021-08-08 00:08:20,195 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-08 00:08:20,196 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:08:20,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:08:20,197 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:08:20,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-08 00:08:20,492 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-08 00:08:20,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:08:20,493 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 80 conjunts are in the unsatisfiable core [2021-08-08 00:08:20,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:08:22,235 INFO L354 Elim1Store]: treesize reduction 529, result has 2.9 percent of original size [2021-08-08 00:08:22,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 36 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 55 case distinctions, treesize of input 75 treesize of output 46 [2021-08-08 00:08:22,297 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:08:22,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81155406] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:22,297 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:08:22,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 46 [2021-08-08 00:08:22,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003135029] [2021-08-08 00:08:22,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2021-08-08 00:08:22,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:08:22,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-08-08 00:08:22,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=1906, Unknown=0, NotChecked=0, Total=2070 [2021-08-08 00:08:22,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:22,301 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:08:22,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 2.217391304347826) internal successors, (102), 46 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:08:22,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:22,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:08:22,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:08:22,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:08:22,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:08:22,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:08:22,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:08:22,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:08:22,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:08:22,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:26,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:26,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:08:26,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:08:26,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:08:26,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:08:26,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:08:26,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:08:26,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:08:26,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:08:26,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:08:26,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-08-08 00:08:26,552 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,SelfDestructingSolverStorable9 [2021-08-08 00:08:26,553 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:08:26,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:08:26,553 INFO L82 PathProgramCache]: Analyzing trace with hash -986159842, now seen corresponding path program 11 times [2021-08-08 00:08:26,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:08:26,553 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985943458] [2021-08-08 00:08:26,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:08:26,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:08:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:08:26,797 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 38 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:08:26,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:08:26,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985943458] [2021-08-08 00:08:26,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985943458] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:26,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310470752] [2021-08-08 00:08:26,797 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-08 00:08:26,797 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:08:26,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:08:26,798 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:08:26,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-08 00:08:27,139 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-08-08 00:08:27,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:08:27,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 24 conjunts are in the unsatisfiable core [2021-08-08 00:08:27,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:08:27,862 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 38 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:08:27,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310470752] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:27,862 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:08:27,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 45 [2021-08-08 00:08:27,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543087877] [2021-08-08 00:08:27,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2021-08-08 00:08:27,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:08:27,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-08-08 00:08:27,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=372, Invalid=1608, Unknown=0, NotChecked=0, Total=1980 [2021-08-08 00:08:27,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:27,864 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:08:27,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 2.311111111111111) internal successors, (104), 45 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:08:27,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:27,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:08:27,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:08:27,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:08:27,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:08:27,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:08:27,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:08:27,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:08:27,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:08:27,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:08:27,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:28,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:28,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:08:28,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:08:28,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:08:28,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:08:28,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:08:28,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:08:28,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:08:28,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:08:28,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:08:28,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:08:28,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-08-08 00:08:28,335 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,SelfDestructingSolverStorable10 [2021-08-08 00:08:28,336 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:08:28,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:08:28,336 INFO L82 PathProgramCache]: Analyzing trace with hash -2121457408, now seen corresponding path program 12 times [2021-08-08 00:08:28,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:08:28,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463760123] [2021-08-08 00:08:28,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:08:28,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:08:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:08:29,816 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 27 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:08:29,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:08:29,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463760123] [2021-08-08 00:08:29,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463760123] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:29,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497586398] [2021-08-08 00:08:29,817 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-08 00:08:29,817 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:08:29,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:08:29,817 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:08:29,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-08-08 00:08:30,205 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2021-08-08 00:08:30,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:08:30,207 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 103 conjunts are in the unsatisfiable core [2021-08-08 00:08:30,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:08:32,855 INFO L354 Elim1Store]: treesize reduction 790, result has 2.3 percent of original size [2021-08-08 00:08:32,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 55 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 81 case distinctions, treesize of input 94 treesize of output 58 [2021-08-08 00:08:32,956 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:08:32,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497586398] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:32,957 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:08:32,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 31] total 56 [2021-08-08 00:08:32,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596779683] [2021-08-08 00:08:32,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2021-08-08 00:08:32,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:08:32,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-08-08 00:08:32,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=333, Invalid=2747, Unknown=0, NotChecked=0, Total=3080 [2021-08-08 00:08:32,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:32,958 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:08:32,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 2.0892857142857144) internal successors, (117), 56 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:08:32,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:32,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:08:32,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:08:32,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:08:32,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:08:32,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:08:32,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:08:32,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:08:32,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:08:32,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:08:32,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:08:32,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:38,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:38,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:08:38,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:08:38,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:08:38,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:08:38,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:08:38,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:08:38,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:08:38,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:08:38,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:08:38,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:08:38,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:08:38,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-08-08 00:08:38,715 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,SelfDestructingSolverStorable11 [2021-08-08 00:08:38,715 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:08:38,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:08:38,716 INFO L82 PathProgramCache]: Analyzing trace with hash 152853466, now seen corresponding path program 13 times [2021-08-08 00:08:38,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:08:38,716 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282259003] [2021-08-08 00:08:38,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:08:38,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:08:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:08:39,036 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 56 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:08:39,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:08:39,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282259003] [2021-08-08 00:08:39,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282259003] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:39,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253850853] [2021-08-08 00:08:39,037 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-08 00:08:39,037 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:08:39,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:08:39,038 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:08:39,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-08-08 00:08:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:08:39,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 28 conjunts are in the unsatisfiable core [2021-08-08 00:08:39,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:08:40,341 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 56 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:08:40,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253850853] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:40,342 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:08:40,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 53 [2021-08-08 00:08:40,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686497139] [2021-08-08 00:08:40,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2021-08-08 00:08:40,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:08:40,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-08-08 00:08:40,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=514, Invalid=2242, Unknown=0, NotChecked=0, Total=2756 [2021-08-08 00:08:40,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:40,343 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:08:40,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 2.2641509433962264) internal successors, (120), 53 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:08:40,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:40,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:08:40,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:08:40,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:08:40,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:08:40,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:08:40,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:08:40,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:08:40,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:08:40,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:08:40,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:08:40,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:08:40,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:08:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:08:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:08:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:08:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:08:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:08:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:08:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:08:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:08:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:08:40,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:08:40,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:08:40,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-08-08 00:08:40,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:08:40,829 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:08:40,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:08:40,830 INFO L82 PathProgramCache]: Analyzing trace with hash 317724092, now seen corresponding path program 14 times [2021-08-08 00:08:40,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:08:40,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989970717] [2021-08-08 00:08:40,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:08:40,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:08:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:08:42,790 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 24 proven. 230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:08:42,790 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:08:42,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989970717] [2021-08-08 00:08:42,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989970717] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:42,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156537299] [2021-08-08 00:08:42,790 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-08 00:08:42,791 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:08:42,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:08:42,791 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:08:42,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-08-08 00:08:43,317 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-08 00:08:43,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:08:43,319 WARN L261 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 113 conjunts are in the unsatisfiable core [2021-08-08 00:08:43,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:08:47,278 INFO L354 Elim1Store]: treesize reduction 1054, result has 10.9 percent of original size [2021-08-08 00:08:47,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 66 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 124 case distinctions, treesize of input 117 treesize of output 183 [2021-08-08 00:08:47,545 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 254 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:08:47,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [156537299] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:47,546 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:08:47,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 34] total 63 [2021-08-08 00:08:47,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614304417] [2021-08-08 00:08:47,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2021-08-08 00:08:47,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:08:47,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-08-08 00:08:47,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=407, Invalid=3499, Unknown=0, NotChecked=0, Total=3906 [2021-08-08 00:08:47,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:47,547 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:08:47,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 2.111111111111111) internal successors, (133), 63 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:08:47,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:47,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:08:47,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:08:47,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:08:47,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:08:47,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:08:47,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:08:47,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:08:47,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:08:47,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:08:47,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:08:47,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:08:47,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:08:47,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:55,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:55,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:08:55,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:08:55,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:08:55,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:08:55,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:08:55,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:08:55,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:08:55,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:08:55,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:08:55,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:08:55,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:08:55,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:08:55,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:08:55,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-08-08 00:08:55,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:08:55,698 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:08:55,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:08:55,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1207496554, now seen corresponding path program 15 times [2021-08-08 00:08:55,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:08:55,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141530714] [2021-08-08 00:08:55,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:08:55,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:08:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:08:56,077 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 78 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:08:56,078 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:08:56,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141530714] [2021-08-08 00:08:56,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141530714] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:56,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3200882] [2021-08-08 00:08:56,078 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-08 00:08:56,078 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:08:56,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:08:56,079 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:08:56,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-08-08 00:08:56,708 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-08-08 00:08:56,708 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:08:56,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 32 conjunts are in the unsatisfiable core [2021-08-08 00:08:56,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:08:57,723 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 78 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:08:57,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3200882] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:08:57,723 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:08:57,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 61 [2021-08-08 00:08:57,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846843203] [2021-08-08 00:08:57,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2021-08-08 00:08:57,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:08:57,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-08-08 00:08:57,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=680, Invalid=2980, Unknown=0, NotChecked=0, Total=3660 [2021-08-08 00:08:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:57,724 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:08:57,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 2.2295081967213113) internal successors, (136), 61 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:08:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:08:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:08:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:08:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:08:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:08:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:08:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:08:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:08:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:08:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:08:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:08:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:08:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:08:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:08:58,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:08:58,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:08:58,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:08:58,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:08:58,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:08:58,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:08:58,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:08:58,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:08:58,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:08:58,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:08:58,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:08:58,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:08:58,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:08:58,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:08:58,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:08:58,116 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-08-08 00:08:58,300 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,SelfDestructingSolverStorable14 [2021-08-08 00:08:58,300 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:08:58,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:08:58,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1753495432, now seen corresponding path program 16 times [2021-08-08 00:08:58,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:08:58,301 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816238215] [2021-08-08 00:08:58,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:08:58,301 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:08:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:09:00,930 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 57 proven. 281 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:09:00,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:09:00,931 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816238215] [2021-08-08 00:09:00,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816238215] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:09:00,931 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117888442] [2021-08-08 00:09:00,931 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-08 00:09:00,931 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:09:00,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:09:00,932 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:09:00,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-08-08 00:09:01,610 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-08 00:09:01,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:09:01,613 WARN L261 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 128 conjunts are in the unsatisfiable core [2021-08-08 00:09:01,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:09:05,820 INFO L354 Elim1Store]: treesize reduction 1468, result has 1.7 percent of original size [2021-08-08 00:09:05,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 23 select indices, 23 select index equivalence classes, 105 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 148 case distinctions, treesize of input 117 treesize of output 67 [2021-08-08 00:09:05,878 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 338 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:09:05,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117888442] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:09:05,878 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:09:05,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36] total 69 [2021-08-08 00:09:05,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311234778] [2021-08-08 00:09:05,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2021-08-08 00:09:05,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:09:05,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-08-08 00:09:05,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=379, Invalid=4313, Unknown=0, NotChecked=0, Total=4692 [2021-08-08 00:09:05,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:09:05,880 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:09:05,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 2.1594202898550723) internal successors, (149), 69 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:09:05,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:09:05,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:09:05,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:09:05,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:09:05,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:09:05,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:09:05,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:09:05,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:09:05,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:09:05,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:09:05,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:09:05,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:09:05,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:09:05,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:09:05,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:09:05,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:09:16,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:09:16,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:09:16,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:09:16,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:09:16,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:09:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:09:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:09:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:09:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:09:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:09:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:09:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:09:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:09:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:09:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:09:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:09:16,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-08-08 00:09:16,267 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,SelfDestructingSolverStorable15 [2021-08-08 00:09:16,268 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:09:16,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:09:16,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1647149906, now seen corresponding path program 17 times [2021-08-08 00:09:16,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:09:16,268 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585691155] [2021-08-08 00:09:16,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:09:16,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:09:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:09:16,738 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 104 proven. 297 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:09:16,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:09:16,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585691155] [2021-08-08 00:09:16,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585691155] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:09:16,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629441301] [2021-08-08 00:09:16,738 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-08 00:09:16,738 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:09:16,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:09:16,739 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:09:16,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-08-08 00:09:17,522 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2021-08-08 00:09:17,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:09:17,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 36 conjunts are in the unsatisfiable core [2021-08-08 00:09:17,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:09:18,817 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 104 proven. 297 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:09:18,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629441301] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:09:18,817 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:09:18,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 69 [2021-08-08 00:09:18,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095086543] [2021-08-08 00:09:18,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2021-08-08 00:09:18,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:09:18,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-08-08 00:09:18,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=870, Invalid=3822, Unknown=0, NotChecked=0, Total=4692 [2021-08-08 00:09:18,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:09:18,819 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:09:18,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 2.2028985507246377) internal successors, (152), 69 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:09:18,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:09:18,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:09:18,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:09:18,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:09:18,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:09:18,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:09:18,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:09:18,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:09:18,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:09:18,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:09:18,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:09:18,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:09:18,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:09:18,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:09:18,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:09:18,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:09:18,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:09:19,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:09:19,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:09:19,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:09:19,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:09:19,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:09:19,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:09:19,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:09:19,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:09:19,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:09:19,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:09:19,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:09:19,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:09:19,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:09:19,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:09:19,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:09:19,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:09:19,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:09:19,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-08-08 00:09:19,510 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,SelfDestructingSolverStorable16 [2021-08-08 00:09:19,510 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:09:19,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:09:19,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1566914868, now seen corresponding path program 18 times [2021-08-08 00:09:19,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:09:19,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318539881] [2021-08-08 00:09:19,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:09:19,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:09:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:09:22,673 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 78 proven. 356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:09:22,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:09:22,673 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318539881] [2021-08-08 00:09:22,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318539881] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:09:22,674 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427744099] [2021-08-08 00:09:22,674 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-08 00:09:22,674 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:09:22,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:09:22,674 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:09:22,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-08-08 00:09:23,527 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2021-08-08 00:09:23,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:09:23,530 WARN L261 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 151 conjunts are in the unsatisfiable core [2021-08-08 00:09:23,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:09:29,316 INFO L354 Elim1Store]: treesize reduction 1885, result has 1.5 percent of original size [2021-08-08 00:09:29,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 136 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 189 case distinctions, treesize of input 136 treesize of output 79 [2021-08-08 00:09:29,455 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:09:29,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427744099] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:09:29,455 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:09:29,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 43] total 80 [2021-08-08 00:09:29,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765031735] [2021-08-08 00:09:29,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2021-08-08 00:09:29,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:09:29,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2021-08-08 00:09:29,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=663, Invalid=5657, Unknown=0, NotChecked=0, Total=6320 [2021-08-08 00:09:29,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:09:29,457 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:09:29,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 2.0625) internal successors, (165), 80 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:09:29,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:09:29,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:09:29,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:09:29,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:09:29,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:09:29,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:09:29,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:09:29,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:09:29,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:09:29,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:09:29,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:09:29,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:09:29,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:09:29,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:09:29,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:09:29,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:09:29,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:09:29,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:09:41,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:09:41,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:09:41,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:09:41,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:09:41,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:09:41,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:09:41,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:09:41,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:09:41,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:09:41,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:09:41,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:09:41,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:09:41,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:09:41,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:09:41,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:09:41,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:09:41,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:09:41,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:09:41,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-08-08 00:09:41,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-08-08 00:09:41,306 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:09:41,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:09:41,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1900327950, now seen corresponding path program 19 times [2021-08-08 00:09:41,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:09:41,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300511942] [2021-08-08 00:09:41,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:09:41,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:09:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:09:41,874 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 134 proven. 371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:09:41,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:09:41,874 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300511942] [2021-08-08 00:09:41,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300511942] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:09:41,874 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999170400] [2021-08-08 00:09:41,874 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-08 00:09:41,874 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:09:41,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:09:41,875 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:09:41,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-08-08 00:09:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:09:42,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 40 conjunts are in the unsatisfiable core [2021-08-08 00:09:42,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:09:44,277 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 134 proven. 371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:09:44,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999170400] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:09:44,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:09:44,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41] total 77 [2021-08-08 00:09:44,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708344766] [2021-08-08 00:09:44,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2021-08-08 00:09:44,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:09:44,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2021-08-08 00:09:44,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1084, Invalid=4768, Unknown=0, NotChecked=0, Total=5852 [2021-08-08 00:09:44,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:09:44,280 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:09:44,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 2.1818181818181817) internal successors, (168), 77 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:09:44,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:09:44,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:09:44,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:09:44,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:09:44,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:09:44,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:09:44,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:09:44,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:09:44,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:09:44,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:09:44,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:09:44,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:09:44,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:09:44,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:09:44,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:09:44,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:09:44,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:09:44,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:09:44,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:09:44,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:09:44,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:09:44,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:09:44,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:09:44,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:09:44,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:09:44,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:09:44,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:09:44,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:09:44,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:09:44,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:09:44,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:09:44,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:09:44,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:09:44,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:09:44,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:09:44,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:09:44,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:09:44,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:09:44,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-08-08 00:09:44,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:09:44,990 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:09:44,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:09:44,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1939773456, now seen corresponding path program 20 times [2021-08-08 00:09:44,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:09:44,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842861570] [2021-08-08 00:09:44,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:09:44,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:09:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:09:48,841 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 103 proven. 439 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:09:48,841 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:09:48,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842861570] [2021-08-08 00:09:48,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842861570] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:09:48,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113803335] [2021-08-08 00:09:48,841 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-08 00:09:48,841 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:09:48,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:09:48,842 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:09:48,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-08-08 00:09:49,866 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-08 00:09:49,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:09:49,869 WARN L261 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 161 conjunts are in the unsatisfiable core [2021-08-08 00:09:49,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:09:57,955 INFO L354 Elim1Store]: treesize reduction 2285, result has 7.6 percent of original size [2021-08-08 00:09:57,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 29 select indices, 29 select index equivalence classes, 153 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 253 case distinctions, treesize of input 159 treesize of output 254 [2021-08-08 00:09:58,281 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 0 proven. 542 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:09:58,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113803335] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:09:58,282 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:09:58,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 46] total 87 [2021-08-08 00:09:58,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504496799] [2021-08-08 00:09:58,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-08-08 00:09:58,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:09:58,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-08-08 00:09:58,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=782, Invalid=6700, Unknown=0, NotChecked=0, Total=7482 [2021-08-08 00:09:58,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:09:58,284 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:09:58,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 2.0804597701149423) internal successors, (181), 87 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:09:58,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:09:58,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:09:58,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:09:58,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:09:58,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:09:58,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:09:58,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:09:58,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:09:58,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:09:58,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:09:58,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:09:58,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:09:58,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:09:58,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:09:58,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:09:58,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:09:58,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:09:58,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:09:58,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:09:58,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:10:12,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:10:12,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:10:12,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:10:12,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:10:12,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:10:12,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:10:12,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:10:12,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:10:12,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:10:12,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:10:12,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:10:12,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:10:12,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:10:12,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:10:12,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:10:12,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:10:12,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:10:12,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:10:12,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:10:12,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:10:12,219 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2021-08-08 00:10:12,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:10:12,409 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:10:12,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:10:12,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1753326282, now seen corresponding path program 21 times [2021-08-08 00:10:12,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:10:12,409 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019035427] [2021-08-08 00:10:12,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:10:12,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:10:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:10:13,086 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 168 proven. 453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:10:13,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:10:13,087 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019035427] [2021-08-08 00:10:13,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019035427] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:10:13,087 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404686286] [2021-08-08 00:10:13,087 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-08 00:10:13,087 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:10:13,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:10:13,088 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:10:13,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-08-08 00:10:14,276 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2021-08-08 00:10:14,276 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:10:14,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 44 conjunts are in the unsatisfiable core [2021-08-08 00:10:14,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:10:15,958 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 168 proven. 453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:10:15,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404686286] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:10:15,958 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:10:15,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45] total 85 [2021-08-08 00:10:15,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328391939] [2021-08-08 00:10:15,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2021-08-08 00:10:15,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:10:15,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2021-08-08 00:10:15,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1322, Invalid=5818, Unknown=0, NotChecked=0, Total=7140 [2021-08-08 00:10:15,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:10:15,960 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:10:15,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.164705882352941) internal successors, (184), 85 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:10:15,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:10:15,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:10:15,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:10:15,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:10:15,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:10:15,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:10:15,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:10:15,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:10:15,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:10:15,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:10:15,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:10:15,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:10:15,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:10:15,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:10:15,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:10:15,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:10:15,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:10:15,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:10:15,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:10:15,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:10:15,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:10:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:10:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:10:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:10:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:10:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:10:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:10:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:10:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:10:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:10:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:10:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:10:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:10:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:10:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:10:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:10:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:10:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:10:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:10:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:10:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:10:16,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:10:16,549 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2021-08-08 00:10:16,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:10:16,733 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:10:16,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:10:16,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1705333932, now seen corresponding path program 22 times [2021-08-08 00:10:16,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:10:16,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439450514] [2021-08-08 00:10:16,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:10:16,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:10:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:10:20,905 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 79 proven. 583 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:10:20,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:10:20,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439450514] [2021-08-08 00:10:20,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439450514] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:10:20,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107289827] [2021-08-08 00:10:20,906 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-08 00:10:20,906 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:10:20,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:10:20,907 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:10:20,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-08-08 00:10:22,159 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-08 00:10:22,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:10:22,162 WARN L261 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 176 conjunts are in the unsatisfiable core [2021-08-08 00:10:22,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:10:30,878 INFO L354 Elim1Store]: treesize reduction 2875, result has 1.2 percent of original size [2021-08-08 00:10:30,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 210 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 286 case distinctions, treesize of input 159 treesize of output 88 [2021-08-08 00:10:30,949 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 0 proven. 662 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:10:30,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107289827] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:10:30,949 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:10:30,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 48] total 93 [2021-08-08 00:10:30,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819260356] [2021-08-08 00:10:30,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2021-08-08 00:10:30,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:10:30,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2021-08-08 00:10:30,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=642, Invalid=7914, Unknown=0, NotChecked=0, Total=8556 [2021-08-08 00:10:30,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:10:30,951 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:10:30,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 2.118279569892473) internal successors, (197), 93 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:10:30,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:10:30,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:10:30,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:10:30,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:10:30,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:10:30,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:10:30,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:10:30,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:10:30,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:10:30,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:10:30,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:10:30,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:10:30,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:10:30,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:10:30,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:10:30,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:10:30,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:10:30,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:10:30,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:10:30,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:10:30,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:10:30,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:10:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:10:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:10:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:10:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:10:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:10:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:10:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:10:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:10:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:10:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:10:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:10:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:10:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:10:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:10:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:10:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:10:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:10:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:10:49,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:10:49,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:10:49,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:10:49,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:10:49,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2021-08-08 00:10:50,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:10:50,045 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:10:50,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:10:50,045 INFO L82 PathProgramCache]: Analyzing trace with hash 614027142, now seen corresponding path program 23 times [2021-08-08 00:10:50,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:10:50,045 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848373930] [2021-08-08 00:10:50,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:10:50,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:10:50,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:10:50,799 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 206 proven. 543 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:10:50,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:10:50,800 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848373930] [2021-08-08 00:10:50,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848373930] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:10:50,800 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320024379] [2021-08-08 00:10:50,800 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-08 00:10:50,800 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:10:50,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:10:50,800 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:10:50,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-08-08 00:10:52,205 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2021-08-08 00:10:52,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:10:52,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 48 conjunts are in the unsatisfiable core [2021-08-08 00:10:52,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:10:54,161 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 206 proven. 543 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:10:54,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320024379] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:10:54,162 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:10:54,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49] total 93 [2021-08-08 00:10:54,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008338135] [2021-08-08 00:10:54,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2021-08-08 00:10:54,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:10:54,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2021-08-08 00:10:54,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1584, Invalid=6972, Unknown=0, NotChecked=0, Total=8556 [2021-08-08 00:10:54,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:10:54,163 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:10:54,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 2.150537634408602) internal successors, (200), 93 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:10:54,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:10:54,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:10:54,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:10:54,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:10:54,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:10:54,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:10:54,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:10:54,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:10:54,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:10:54,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:10:54,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:10:54,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:10:54,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:10:54,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:10:54,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:10:54,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:10:54,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:10:54,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:10:54,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:10:54,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:10:54,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:10:54,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:10:54,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:10:54,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:10:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:10:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:10:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:10:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:10:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:10:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:10:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:10:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:10:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:10:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:10:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:10:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:10:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:10:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:10:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:10:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:10:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:10:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:10:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:10:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:10:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:10:54,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:10:54,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2021-08-08 00:10:55,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:10:55,042 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:10:55,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:10:55,042 INFO L82 PathProgramCache]: Analyzing trace with hash -2082078872, now seen corresponding path program 24 times [2021-08-08 00:10:55,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:10:55,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943963724] [2021-08-08 00:10:55,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:10:55,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:10:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:11:00,759 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 165 proven. 629 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:11:00,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:11:00,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943963724] [2021-08-08 00:11:00,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943963724] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:11:00,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756085740] [2021-08-08 00:11:00,759 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-08 00:11:00,760 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:11:00,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:11:00,760 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:11:00,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-08-08 00:11:02,245 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) [2021-08-08 00:11:02,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:11:02,249 WARN L261 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 197 conjunts are in the unsatisfiable core [2021-08-08 00:11:02,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:11:41,400 WARN L207 SmtUtils]: Spent 22.80 s on a formula simplification. DAG size of input: 2997 DAG size of output: 697 [2021-08-08 00:11:41,402 INFO L354 Elim1Store]: treesize reduction 6430, result has 18.7 percent of original size [2021-08-08 00:11:41,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 40 select indices, 40 select index equivalence classes, 55 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 725 case distinctions, treesize of input 221 treesize of output 1551 [2021-08-08 00:11:55,578 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 0 proven. 794 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:11:55,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1756085740] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:11:55,578 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:11:55,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 56] total 105 [2021-08-08 00:11:55,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210589265] [2021-08-08 00:11:55,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 105 states [2021-08-08 00:11:55,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:11:55,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2021-08-08 00:11:55,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=578, Invalid=10342, Unknown=0, NotChecked=0, Total=10920 [2021-08-08 00:11:55,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:11:55,580 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:11:55,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 105 states, 105 states have (on average 2.0285714285714285) internal successors, (213), 105 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:11:55,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:11:55,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:11:55,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:11:55,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:11:55,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:11:55,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:11:55,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:11:55,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:11:55,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:11:55,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:11:55,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:11:55,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:11:55,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:11:55,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:11:55,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:11:55,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:11:55,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:11:55,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:11:55,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:11:55,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:11:55,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:11:55,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:11:55,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:11:55,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:12:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:12:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:12:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:12:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:12:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:12:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:12:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:12:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:12:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:12:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:12:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:12:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:12:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:12:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:12:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:12:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:12:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:12:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:12:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:12:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:12:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:12:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:12:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:12:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2021-08-08 00:12:52,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2021-08-08 00:12:52,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-08-08 00:12:52,821 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:12:52,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:12:52,825 INFO L82 PathProgramCache]: Analyzing trace with hash 465615426, now seen corresponding path program 25 times [2021-08-08 00:12:52,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:12:52,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353738864] [2021-08-08 00:12:52,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:12:52,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:12:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:12:53,749 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 248 proven. 641 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:12:53,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:12:53,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353738864] [2021-08-08 00:12:53,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353738864] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:12:53,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742107281] [2021-08-08 00:12:53,750 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-08 00:12:53,750 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:12:53,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:12:53,757 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:12:53,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-08-08 00:12:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:12:55,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 52 conjunts are in the unsatisfiable core [2021-08-08 00:12:55,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:12:57,753 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 248 proven. 641 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:12:57,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742107281] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:12:57,753 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:12:57,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53] total 101 [2021-08-08 00:12:57,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325125201] [2021-08-08 00:12:57,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2021-08-08 00:12:57,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:12:57,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2021-08-08 00:12:57,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1870, Invalid=8230, Unknown=0, NotChecked=0, Total=10100 [2021-08-08 00:12:57,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:12:57,755 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:12:57,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 2.1386138613861387) internal successors, (216), 101 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:12:57,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:12:57,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:12:57,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:12:57,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:12:57,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:12:57,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:12:57,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:12:57,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:12:57,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:12:57,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:12:57,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:12:57,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:12:57,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:12:57,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:12:57,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:12:57,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:12:57,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:12:57,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:12:57,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:12:57,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:12:57,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:12:57,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:12:57,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:12:57,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2021-08-08 00:12:57,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:12:58,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:12:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:12:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:12:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:12:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:12:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:12:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:12:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:12:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:12:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:12:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:12:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:12:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:12:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:12:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:12:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:12:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:12:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:12:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:12:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:12:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:12:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:12:58,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:12:58,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2021-08-08 00:12:58,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-08-08 00:12:58,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2021-08-08 00:12:58,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-08-08 00:12:58,733 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:12:58,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:12:58,733 INFO L82 PathProgramCache]: Analyzing trace with hash 458778660, now seen corresponding path program 26 times [2021-08-08 00:12:58,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:12:58,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839254239] [2021-08-08 00:12:58,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:12:58,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:12:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:13:05,643 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 186 proven. 752 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:13:05,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:13:05,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839254239] [2021-08-08 00:13:05,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839254239] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:13:05,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473238567] [2021-08-08 00:13:05,644 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-08 00:13:05,644 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:13:05,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:13:05,645 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:13:05,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-08-08 00:13:07,323 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-08 00:13:07,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:13:07,327 WARN L261 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 209 conjunts are in the unsatisfiable core [2021-08-08 00:13:07,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:13:24,124 WARN L207 SmtUtils]: Spent 5.15 s on a formula simplification. DAG size of input: 1796 DAG size of output: 183 [2021-08-08 00:13:24,125 INFO L354 Elim1Store]: treesize reduction 3984, result has 5.8 percent of original size [2021-08-08 00:13:24,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 38 select indices, 38 select index equivalence classes, 276 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 427 case distinctions, treesize of input 201 treesize of output 325 [2021-08-08 00:13:24,548 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 0 proven. 938 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:13:24,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473238567] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:13:24,548 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:13:24,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 58] total 111 [2021-08-08 00:13:24,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777182243] [2021-08-08 00:13:24,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 111 states [2021-08-08 00:13:24,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:13:24,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2021-08-08 00:13:24,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1266, Invalid=10944, Unknown=0, NotChecked=0, Total=12210 [2021-08-08 00:13:24,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:13:24,550 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:13:24,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 111 states, 111 states have (on average 2.063063063063063) internal successors, (229), 111 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:13:24,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:13:24,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:13:24,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:13:24,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:13:24,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:13:24,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:13:24,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:13:24,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:13:24,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:13:24,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:13:24,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:13:24,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:13:24,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:13:24,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:13:24,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:13:24,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:13:24,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:13:24,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:13:24,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:13:24,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:13:24,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:13:24,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:13:24,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:13:24,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2021-08-08 00:13:24,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-08-08 00:13:24,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:13:50,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:13:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:13:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:13:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:13:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:13:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:13:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:13:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:13:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:13:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:13:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:13:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:13:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:13:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:13:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:13:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:13:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:13:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:13:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:13:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:13:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:13:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:13:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:13:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2021-08-08 00:13:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-08-08 00:13:50,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2021-08-08 00:13:50,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2021-08-08 00:13:50,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-08-08 00:13:50,998 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:13:50,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:13:50,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1649614082, now seen corresponding path program 27 times [2021-08-08 00:13:50,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:13:50,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395174875] [2021-08-08 00:13:50,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:13:50,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:13:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:13:52,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 294 proven. 747 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:13:52,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:13:52,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395174875] [2021-08-08 00:13:52,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395174875] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:13:52,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565586074] [2021-08-08 00:13:52,060 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-08 00:13:52,060 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:13:52,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:13:52,061 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:13:52,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-08-08 00:13:53,954 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 27 check-sat command(s) [2021-08-08 00:13:53,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:13:53,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 56 conjunts are in the unsatisfiable core [2021-08-08 00:13:53,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:13:56,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 294 proven. 747 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:13:56,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565586074] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:13:56,558 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:13:56,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 57] total 109 [2021-08-08 00:13:56,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612423596] [2021-08-08 00:13:56,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2021-08-08 00:13:56,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:13:56,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2021-08-08 00:13:56,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2180, Invalid=9592, Unknown=0, NotChecked=0, Total=11772 [2021-08-08 00:13:56,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:13:56,560 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:13:56,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 2.128440366972477) internal successors, (232), 109 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:13:56,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:13:56,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:13:56,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:13:56,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:13:56,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:13:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:13:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:13:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:13:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:13:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:13:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:13:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:13:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:13:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:13:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:13:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:13:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:13:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:13:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:13:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:13:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:13:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:13:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:13:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2021-08-08 00:13:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-08-08 00:13:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2021-08-08 00:13:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:13:57,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:13:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:13:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:13:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:13:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:13:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:13:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:13:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:13:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:13:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:13:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:13:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:13:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:13:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:13:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:13:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:13:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:13:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:13:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:13:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:13:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:13:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:13:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:13:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2021-08-08 00:13:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-08-08 00:13:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2021-08-08 00:13:57,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-08-08 00:13:57,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2021-08-08 00:13:57,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:13:57,609 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:13:57,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:13:57,610 INFO L82 PathProgramCache]: Analyzing trace with hash 967937760, now seen corresponding path program 28 times [2021-08-08 00:13:57,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:13:57,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699069779] [2021-08-08 00:13:57,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:13:57,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:13:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:14:05,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 223 proven. 871 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:14:05,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:14:05,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699069779] [2021-08-08 00:14:05,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699069779] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:14:05,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654785878] [2021-08-08 00:14:05,228 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-08 00:14:05,228 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:14:05,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:14:05,229 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:14:05,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-08-08 00:14:07,222 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-08 00:14:07,222 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:14:07,225 WARN L261 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 224 conjunts are in the unsatisfiable core [2021-08-08 00:14:07,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:14:24,934 WARN L207 SmtUtils]: Spent 5.01 s on a formula simplification. DAG size of input: 1972 DAG size of output: 43 [2021-08-08 00:14:24,935 INFO L354 Elim1Store]: treesize reduction 4750, result has 0.9 percent of original size [2021-08-08 00:14:24,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 41 select indices, 41 select index equivalence classes, 351 disjoint index pairs (out of 820 index pairs), introduced 41 new quantified variables, introduced 469 case distinctions, treesize of input 201 treesize of output 109 [2021-08-08 00:14:25,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 0 proven. 1094 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:14:25,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654785878] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:14:25,024 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:14:25,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 60] total 117 [2021-08-08 00:14:25,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065263484] [2021-08-08 00:14:25,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 117 states [2021-08-08 00:14:25,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:14:25,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2021-08-08 00:14:25,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1041, Invalid=12531, Unknown=0, NotChecked=0, Total=13572 [2021-08-08 00:14:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:14:25,026 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:14:25,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 117 states, 117 states have (on average 2.094017094017094) internal successors, (245), 117 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:14:25,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:14:25,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:14:25,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:14:25,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:14:25,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:14:25,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:14:25,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:14:25,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:14:25,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:14:25,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:14:25,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:14:25,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:14:25,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:14:25,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:14:25,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:14:25,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:14:25,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:14:25,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:14:25,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:14:25,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:14:25,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:14:25,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:14:25,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:14:25,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2021-08-08 00:14:25,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-08-08 00:14:25,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2021-08-08 00:14:25,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-08-08 00:14:25,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:14:57,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:14:57,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:14:57,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:14:57,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:14:57,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:14:57,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:14:57,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:14:57,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:14:57,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:14:57,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:14:57,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:14:57,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:14:57,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:14:57,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:14:57,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:14:57,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:14:57,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:14:57,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:14:57,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:14:57,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:14:57,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:14:57,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:14:57,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:14:57,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2021-08-08 00:14:57,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-08-08 00:14:57,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2021-08-08 00:14:57,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-08-08 00:14:57,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2021-08-08 00:14:57,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2021-08-08 00:14:57,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-08-08 00:14:57,940 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:14:57,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:14:57,940 INFO L82 PathProgramCache]: Analyzing trace with hash 328387002, now seen corresponding path program 29 times [2021-08-08 00:14:57,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:14:57,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034913537] [2021-08-08 00:14:57,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:14:57,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:14:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:14:59,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 344 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:14:59,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:14:59,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034913537] [2021-08-08 00:14:59,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034913537] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:14:59,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715405075] [2021-08-08 00:14:59,131 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-08 00:14:59,131 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:14:59,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:14:59,133 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:14:59,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-08-08 00:15:01,239 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 29 check-sat command(s) [2021-08-08 00:15:01,239 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:15:01,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 60 conjunts are in the unsatisfiable core [2021-08-08 00:15:01,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:15:04,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 344 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:15:04,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715405075] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:15:04,227 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:15:04,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 61] total 117 [2021-08-08 00:15:04,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599456036] [2021-08-08 00:15:04,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 117 states [2021-08-08 00:15:04,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:15:04,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2021-08-08 00:15:04,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2514, Invalid=11058, Unknown=0, NotChecked=0, Total=13572 [2021-08-08 00:15:04,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:15:04,229 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:15:04,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 117 states, 117 states have (on average 2.1196581196581197) internal successors, (248), 117 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:15:04,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:15:04,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:15:04,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:15:04,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:15:04,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:15:04,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:15:04,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:15:04,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:15:04,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:15:04,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:15:04,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:15:04,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:15:04,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:15:04,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:15:04,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:15:04,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:15:04,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:15:04,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:15:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:15:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:15:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:15:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:15:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:15:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2021-08-08 00:15:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-08-08 00:15:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2021-08-08 00:15:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-08-08 00:15:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2021-08-08 00:15:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:15:05,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:15:05,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:15:05,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:15:05,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:15:05,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:15:05,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:15:05,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:15:05,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:15:05,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:15:05,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:15:05,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:15:05,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:15:05,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:15:05,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:15:05,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:15:05,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:15:05,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:15:05,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:15:05,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:15:05,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:15:05,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:15:05,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:15:05,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:15:05,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2021-08-08 00:15:05,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-08-08 00:15:05,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2021-08-08 00:15:05,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-08-08 00:15:05,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2021-08-08 00:15:05,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-08-08 00:15:05,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2021-08-08 00:15:05,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-08-08 00:15:05,361 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:15:05,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:15:05,361 INFO L82 PathProgramCache]: Analyzing trace with hash 103183260, now seen corresponding path program 30 times [2021-08-08 00:15:05,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:15:05,361 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908634135] [2021-08-08 00:15:05,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:15:05,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:15:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:15:14,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1262 backedges. 328 proven. 934 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:15:14,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:15:14,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908634135] [2021-08-08 00:15:14,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908634135] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:15:14,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525918495] [2021-08-08 00:15:14,532 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-08 00:15:14,532 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:15:14,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:15:14,533 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:15:14,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2021-08-08 00:15:16,792 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 30 check-sat command(s) [2021-08-08 00:15:16,792 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:15:16,796 WARN L261 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 247 conjunts are in the unsatisfiable core [2021-08-08 00:15:16,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:15:38,716 WARN L207 SmtUtils]: Spent 6.63 s on a formula simplification. DAG size of input: 2263 DAG size of output: 46 [2021-08-08 00:15:38,716 INFO L354 Elim1Store]: treesize reduction 5479, result has 0.8 percent of original size [2021-08-08 00:15:38,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 44 select indices, 44 select index equivalence classes, 406 disjoint index pairs (out of 946 index pairs), introduced 44 new quantified variables, introduced 540 case distinctions, treesize of input 220 treesize of output 121 [2021-08-08 00:15:38,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1262 backedges. 0 proven. 1262 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:15:38,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525918495] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:15:38,957 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:15:38,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 67] total 128 [2021-08-08 00:15:38,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081453868] [2021-08-08 00:15:38,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2021-08-08 00:15:38,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:15:38,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2021-08-08 00:15:38,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1721, Invalid=14535, Unknown=0, NotChecked=0, Total=16256 [2021-08-08 00:15:38,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:15:38,959 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:15:38,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 128 states have (on average 2.0390625) internal successors, (261), 128 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:15:38,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:15:38,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:15:38,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:15:38,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:15:38,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:15:38,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:15:38,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:15:38,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:15:38,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:15:38,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:15:38,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:15:38,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:15:38,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:15:38,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:15:38,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:15:38,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:15:38,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:15:38,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:15:38,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:15:38,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:15:38,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:15:38,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:15:38,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:15:38,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2021-08-08 00:15:38,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-08-08 00:15:38,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2021-08-08 00:15:38,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-08-08 00:15:38,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2021-08-08 00:15:38,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-08-08 00:15:38,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:16:14,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:16:14,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:16:14,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:16:14,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:16:14,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:16:14,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:16:14,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:16:14,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:16:14,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:16:14,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:16:14,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:16:14,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:16:14,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:16:14,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:16:14,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:16:14,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:16:14,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:16:14,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:16:14,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:16:14,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:16:14,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:16:14,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:16:14,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:16:14,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2021-08-08 00:16:14,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-08-08 00:16:14,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2021-08-08 00:16:14,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-08-08 00:16:14,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2021-08-08 00:16:14,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-08-08 00:16:14,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2021-08-08 00:16:14,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2021-08-08 00:16:14,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:16:14,923 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:16:14,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:16:14,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1076326006, now seen corresponding path program 31 times [2021-08-08 00:16:14,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:16:14,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912391521] [2021-08-08 00:16:14,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:16:14,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:16:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:16:16,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1381 backedges. 398 proven. 983 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:16:16,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:16:16,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912391521] [2021-08-08 00:16:16,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912391521] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:16:16,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045223209] [2021-08-08 00:16:16,254 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-08 00:16:16,254 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:16:16,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:16:16,259 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:16:16,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2021-08-08 00:16:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:16:18,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 64 conjunts are in the unsatisfiable core [2021-08-08 00:16:18,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:16:21,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1381 backedges. 398 proven. 983 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:16:21,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045223209] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:16:21,952 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:16:21,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65] total 125 [2021-08-08 00:16:21,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757447684] [2021-08-08 00:16:21,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2021-08-08 00:16:21,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:16:21,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2021-08-08 00:16:21,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2872, Invalid=12628, Unknown=0, NotChecked=0, Total=15500 [2021-08-08 00:16:21,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:16:21,961 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:16:21,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 125 states, 125 states have (on average 2.112) internal successors, (264), 125 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:16:21,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2021-08-08 00:16:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:16:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:16:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:16:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:16:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:16:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:16:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:16:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:16:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:16:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:16:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:16:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:16:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:16:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:16:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:16:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:16:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:16:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:16:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:16:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:16:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:16:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:16:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:16:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:16:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2021-08-08 00:16:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-08-08 00:16:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2021-08-08 00:16:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-08-08 00:16:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2021-08-08 00:16:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-08-08 00:16:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2021-08-08 00:16:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-08-08 00:16:23,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2021-08-08 00:16:23,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:16:23,233 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:16:23,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:16:23,233 INFO L82 PathProgramCache]: Analyzing trace with hash 23860824, now seen corresponding path program 32 times [2021-08-08 00:16:23,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:16:23,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90805753] [2021-08-08 00:16:23,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:16:23,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:16:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:16:33,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1442 backedges. 337 proven. 1105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:16:33,500 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:16:33,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90805753] [2021-08-08 00:16:33,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90805753] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:16:33,501 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094831807] [2021-08-08 00:16:33,501 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-08 00:16:33,501 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:16:33,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:16:33,502 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:16:33,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2021-08-08 00:16:36,025 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-08 00:16:36,026 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:16:36,030 WARN L261 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 257 conjunts are in the unsatisfiable core [2021-08-08 00:16:36,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:17:05,770 WARN L207 SmtUtils]: Spent 10.96 s on a formula simplification. DAG size of input: 2693 DAG size of output: 228 [2021-08-08 00:17:05,771 INFO L354 Elim1Store]: treesize reduction 6147, result has 4.8 percent of original size [2021-08-08 00:17:05,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 47 select indices, 47 select index equivalence classes, 435 disjoint index pairs (out of 1081 index pairs), introduced 47 new quantified variables, introduced 646 case distinctions, treesize of input 243 treesize of output 400 [2021-08-08 00:17:06,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1442 backedges. 0 proven. 1442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:17:06,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094831807] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:17:06,403 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:17:06,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 70] total 135 [2021-08-08 00:17:06,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734622554] [2021-08-08 00:17:06,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 135 states [2021-08-08 00:17:06,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:17:06,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2021-08-08 00:17:06,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1892, Invalid=16198, Unknown=0, NotChecked=0, Total=18090 [2021-08-08 00:17:06,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:17:06,404 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:17:06,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 135 states, 135 states have (on average 2.051851851851852) internal successors, (277), 135 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:17:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:17:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:17:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:17:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:17:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:17:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:17:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:17:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:17:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:17:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:17:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:17:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:17:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:17:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:17:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:17:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:17:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:17:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:17:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:17:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:17:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:17:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:17:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:17:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2021-08-08 00:17:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-08-08 00:17:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2021-08-08 00:17:06,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-08-08 00:17:06,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2021-08-08 00:17:06,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-08-08 00:17:06,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2021-08-08 00:17:06,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-08-08 00:17:06,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:17:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:17:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:17:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:17:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:17:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:17:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:17:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:17:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:17:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:17:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:17:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:17:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:17:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:17:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:17:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:17:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:17:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:17:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:17:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:17:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:17:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:17:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:17:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:17:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2021-08-08 00:17:49,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-08-08 00:17:49,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2021-08-08 00:17:49,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-08-08 00:17:49,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2021-08-08 00:17:49,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-08-08 00:17:49,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2021-08-08 00:17:49,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-08-08 00:17:49,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2021-08-08 00:17:49,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2021-08-08 00:17:49,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-08-08 00:17:49,881 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:17:49,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:17:49,881 INFO L82 PathProgramCache]: Analyzing trace with hash 2141180210, now seen corresponding path program 33 times [2021-08-08 00:17:49,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:17:49,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121941388] [2021-08-08 00:17:49,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:17:49,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:17:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:17:51,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 456 proven. 1113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:17:51,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:17:51,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121941388] [2021-08-08 00:17:51,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121941388] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:17:51,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977833744] [2021-08-08 00:17:51,351 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-08 00:17:51,351 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:17:51,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:17:51,352 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:17:51,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2021-08-08 00:17:54,124 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 33 check-sat command(s) [2021-08-08 00:17:54,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:17:54,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 68 conjunts are in the unsatisfiable core [2021-08-08 00:17:54,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:17:57,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 456 proven. 1113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:17:57,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977833744] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:17:57,765 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:17:57,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 69] total 133 [2021-08-08 00:17:57,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932341123] [2021-08-08 00:17:57,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 133 states [2021-08-08 00:17:57,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:17:57,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2021-08-08 00:17:57,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3254, Invalid=14302, Unknown=0, NotChecked=0, Total=17556 [2021-08-08 00:17:57,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:17:57,767 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:17:57,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 133 states, 133 states have (on average 2.1052631578947367) internal successors, (280), 133 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-08-08 00:17:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2021-08-08 00:17:57,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-08-08 00:17:57,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2021-08-08 00:17:57,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-08-08 00:17:57,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2021-08-08 00:17:57,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:17:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:17:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:17:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:17:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:17:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:17:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:17:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:17:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:17:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:17:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:17:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:17:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:17:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:17:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:17:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:17:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:17:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:17:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:17:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:17:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:17:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:17:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:17:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:17:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2021-08-08 00:17:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-08-08 00:17:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2021-08-08 00:17:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-08-08 00:17:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2021-08-08 00:17:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-08-08 00:17:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2021-08-08 00:17:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-08-08 00:17:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2021-08-08 00:17:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-08-08 00:17:58,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2021-08-08 00:17:59,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:17:59,146 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:17:59,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:17:59,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1169651476, now seen corresponding path program 34 times [2021-08-08 00:17:59,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:17:59,146 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157481400] [2021-08-08 00:17:59,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:17:59,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:17:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:18:11,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1634 backedges. 332 proven. 1302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:18:11,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:18:11,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157481400] [2021-08-08 00:18:11,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157481400] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:18:11,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100678723] [2021-08-08 00:18:11,568 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-08 00:18:11,568 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:18:11,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:18:11,569 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:18:11,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2021-08-08 00:18:14,363 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-08 00:18:14,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:18:14,368 WARN L261 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 272 conjunts are in the unsatisfiable core [2021-08-08 00:18:14,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:18:46,041 WARN L207 SmtUtils]: Spent 10.77 s on a formula simplification. DAG size of input: 2905 DAG size of output: 52 [2021-08-08 00:18:46,042 INFO L354 Elim1Store]: treesize reduction 7093, result has 0.7 percent of original size [2021-08-08 00:18:46,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 50 select indices, 50 select index equivalence classes, 528 disjoint index pairs (out of 1225 index pairs), introduced 50 new quantified variables, introduced 697 case distinctions, treesize of input 243 treesize of output 130 [2021-08-08 00:18:46,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1634 backedges. 0 proven. 1634 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:18:46,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100678723] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:18:46,146 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:18:46,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 72] total 141 [2021-08-08 00:18:46,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108067293] [2021-08-08 00:18:46,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 141 states [2021-08-08 00:18:46,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:18:46,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2021-08-08 00:18:46,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1493, Invalid=18247, Unknown=0, NotChecked=0, Total=19740 [2021-08-08 00:18:46,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:18:46,148 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:18:46,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 141 states, 141 states have (on average 2.078014184397163) internal successors, (293), 141 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:18:46,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:18:46,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:18:46,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:18:46,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:18:46,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:18:46,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:18:46,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:18:46,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:18:46,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:18:46,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:18:46,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:18:46,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:18:46,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:18:46,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:18:46,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:18:46,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:18:46,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:18:46,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:18:46,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:18:46,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:18:46,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:18:46,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:18:46,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:18:46,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2021-08-08 00:18:46,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-08-08 00:18:46,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2021-08-08 00:18:46,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-08-08 00:18:46,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2021-08-08 00:18:46,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-08-08 00:18:46,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2021-08-08 00:18:46,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-08-08 00:18:46,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2021-08-08 00:18:46,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-08-08 00:18:46,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:19:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:19:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:19:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:19:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:19:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:19:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:19:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:19:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:19:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:19:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:19:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:19:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:19:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:19:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:19:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:19:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:19:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:19:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:19:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:19:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:19:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:19:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:19:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:19:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2021-08-08 00:19:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-08-08 00:19:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2021-08-08 00:19:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-08-08 00:19:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2021-08-08 00:19:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-08-08 00:19:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2021-08-08 00:19:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-08-08 00:19:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2021-08-08 00:19:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-08-08 00:19:46,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2021-08-08 00:19:46,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2021-08-08 00:19:46,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-08-08 00:19:46,220 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:19:46,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:19:46,221 INFO L82 PathProgramCache]: Analyzing trace with hash 129036782, now seen corresponding path program 35 times [2021-08-08 00:19:46,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:19:46,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482573992] [2021-08-08 00:19:46,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:19:46,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:19:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:19:47,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1769 backedges. 518 proven. 1251 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:19:47,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:19:47,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482573992] [2021-08-08 00:19:47,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482573992] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:19:47,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863064913] [2021-08-08 00:19:47,917 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-08 00:19:47,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:19:47,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:19:47,919 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:19:47,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2021-08-08 00:19:50,921 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 35 check-sat command(s) [2021-08-08 00:19:50,922 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:19:50,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 72 conjunts are in the unsatisfiable core [2021-08-08 00:19:50,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:19:54,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1769 backedges. 518 proven. 1251 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:19:54,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863064913] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:19:54,892 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:19:54,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 73] total 141 [2021-08-08 00:19:54,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965096408] [2021-08-08 00:19:54,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 141 states [2021-08-08 00:19:54,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:19:54,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2021-08-08 00:19:54,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3660, Invalid=16080, Unknown=0, NotChecked=0, Total=19740 [2021-08-08 00:19:54,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:19:54,894 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:19:54,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 141 states, 141 states have (on average 2.099290780141844) internal successors, (296), 141 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:19:54,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:19:54,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:19:54,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:19:54,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:19:54,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:19:54,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:19:54,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:19:54,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:19:54,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:19:54,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:19:54,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:19:54,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:19:54,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:19:54,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:19:54,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:19:54,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:19:54,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:19:54,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:19:54,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:19:54,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:19:54,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:19:54,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:19:54,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:19:54,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2021-08-08 00:19:54,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-08-08 00:19:54,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2021-08-08 00:19:54,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-08-08 00:19:54,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2021-08-08 00:19:54,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-08-08 00:19:54,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2021-08-08 00:19:54,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-08-08 00:19:54,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2021-08-08 00:19:54,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-08-08 00:19:54,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2021-08-08 00:19:54,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:19:56,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:19:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:19:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:19:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:19:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:19:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:19:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:19:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:19:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:19:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:19:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:19:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:19:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:19:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:19:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:19:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:19:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:19:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:19:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:19:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:19:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:19:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:19:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:19:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2021-08-08 00:19:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-08-08 00:19:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2021-08-08 00:19:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-08-08 00:19:56,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2021-08-08 00:19:56,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-08-08 00:19:56,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2021-08-08 00:19:56,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-08-08 00:19:56,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2021-08-08 00:19:56,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-08-08 00:19:56,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2021-08-08 00:19:56,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-08-08 00:19:56,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2021-08-08 00:19:56,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:19:56,299 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 00:19:56,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 00:19:56,299 INFO L82 PathProgramCache]: Analyzing trace with hash -960653872, now seen corresponding path program 36 times [2021-08-08 00:19:56,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 00:19:56,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651478757] [2021-08-08 00:19:56,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 00:19:56,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 00:19:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 00:20:10,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1838 backedges. 499 proven. 1339 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:20:10,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 00:20:10,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651478757] [2021-08-08 00:20:10,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651478757] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:20:10,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337657268] [2021-08-08 00:20:10,101 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-08 00:20:10,101 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 00:20:10,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 00:20:10,102 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 00:20:10,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2021-08-08 00:20:13,279 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 36 check-sat command(s) [2021-08-08 00:20:13,279 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 00:20:13,283 WARN L261 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 295 conjunts are in the unsatisfiable core [2021-08-08 00:20:13,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 00:20:50,245 WARN L207 SmtUtils]: Spent 13.48 s on a formula simplification. DAG size of input: 3256 DAG size of output: 55 [2021-08-08 00:20:50,246 INFO L354 Elim1Store]: treesize reduction 7978, result has 0.7 percent of original size [2021-08-08 00:20:50,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 53 select indices, 53 select index equivalence classes, 595 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 783 case distinctions, treesize of input 262 treesize of output 142 [2021-08-08 00:20:50,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1838 backedges. 0 proven. 1838 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 00:20:50,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1337657268] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 00:20:50,554 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 00:20:50,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [77, 79] total 152 [2021-08-08 00:20:50,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873089152] [2021-08-08 00:20:50,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 152 states [2021-08-08 00:20:50,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 00:20:50,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 152 interpolants. [2021-08-08 00:20:50,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2435, Invalid=20517, Unknown=0, NotChecked=0, Total=22952 [2021-08-08 00:20:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 00:20:50,556 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 00:20:50,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 152 states, 152 states have (on average 2.0328947368421053) internal successors, (309), 152 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 00:20:50,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 00:20:50,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 00:20:50,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 00:20:50,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-08 00:20:50,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-08 00:20:50,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 00:20:50,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 00:20:50,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-08-08 00:20:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2021-08-08 00:21:02,887 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-08 00:21:02,887 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-08 00:21:02,887 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-08 00:21:02,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2021-08-08 00:21:03,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-08-08 00:21:03,063 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 217 known predicates. [2021-08-08 00:21:03,065 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-08 00:21:03,065 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-08 00:21:03,066 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-08 00:21:03,066 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-08 00:21:03,071 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-08 00:21:03,071 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-08 00:21:03,073 INFO L202 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 12:21:03 BasicIcfg [2021-08-08 00:21:03,073 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-08 00:21:03,073 INFO L168 Benchmark]: Toolchain (without parser) took 781341.84 ms. Allocated memory was 215.0 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 194.5 MB in the beginning and 719.7 MB in the end (delta: -525.2 MB). Peak memory consumption was 644.0 MB. Max. memory is 8.0 GB. [2021-08-08 00:21:03,073 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 215.0 MB. Free memory was 195.6 MB in the beginning and 195.5 MB in the end (delta: 88.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-08 00:21:03,073 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.58 ms. Allocated memory is still 215.0 MB. Free memory was 194.4 MB in the beginning and 192.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-08 00:21:03,073 INFO L168 Benchmark]: Boogie Preprocessor took 12.89 ms. Allocated memory is still 215.0 MB. Free memory was 192.9 MB in the beginning and 191.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-08 00:21:03,073 INFO L168 Benchmark]: RCFGBuilder took 187.61 ms. Allocated memory is still 215.0 MB. Free memory was 191.9 MB in the beginning and 178.9 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-08 00:21:03,073 INFO L168 Benchmark]: TraceAbstraction took 781114.11 ms. Allocated memory was 215.0 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 178.4 MB in the beginning and 719.7 MB in the end (delta: -541.3 MB). Peak memory consumption was 628.3 MB. Max. memory is 8.0 GB. [2021-08-08 00:21:03,073 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 215.0 MB. Free memory was 195.6 MB in the beginning and 195.5 MB in the end (delta: 88.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 21.58 ms. Allocated memory is still 215.0 MB. Free memory was 194.4 MB in the beginning and 192.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.89 ms. Allocated memory is still 215.0 MB. Free memory was 192.9 MB in the beginning and 191.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 187.61 ms. Allocated memory is still 215.0 MB. Free memory was 191.9 MB in the beginning and 178.9 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 781114.11 ms. Allocated memory was 215.0 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 178.4 MB in the beginning and 719.7 MB in the end (delta: -541.3 MB). Peak memory consumption was 628.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17313, positive: 13722, positive conditional: 13407, positive unconditional: 315, negative: 3591, negative conditional: 3591, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13722, positive: 13722, positive conditional: 13407, positive unconditional: 315, 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: 13722, positive: 13722, positive conditional: 13407, positive unconditional: 315, 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: 13722, positive: 13722, positive conditional: 13348, positive unconditional: 374, 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: 13722, positive: 13722, positive conditional: 10663, positive unconditional: 3059, 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: 13722, positive: 13722, positive conditional: 10663, positive unconditional: 3059, 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: 277, positive: 277, positive conditional: 0, positive unconditional: 277, 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: 277, positive: 275, positive conditional: 0, positive unconditional: 275, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 13722, positive: 13445, positive conditional: 10663, positive unconditional: 2782, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 277, unknown conditional: 0, unknown unconditional: 277] , Statistics on independence cache: Total cache size (in pairs): 277, Positive cache size: 277, Positive conditional cache size: 0, Positive unconditional cache size: 277, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 2685, Maximal queried relation: 0, Independence queries for same thread: 3591 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 93, Number of persistent set computation: 40, Number of trivial persistent sets: 18, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 315, positive: 315, positive conditional: 0, positive unconditional: 315, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17313, positive: 13722, positive conditional: 13407, positive unconditional: 315, negative: 3591, negative conditional: 3591, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13722, positive: 13722, positive conditional: 13407, positive unconditional: 315, 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: 13722, positive: 13722, positive conditional: 13407, positive unconditional: 315, 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: 13722, positive: 13722, positive conditional: 13348, positive unconditional: 374, 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: 13722, positive: 13722, positive conditional: 10663, positive unconditional: 3059, 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: 13722, positive: 13722, positive conditional: 10663, positive unconditional: 3059, 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: 277, positive: 277, positive conditional: 0, positive unconditional: 277, 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: 277, positive: 275, positive conditional: 0, positive unconditional: 275, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 13722, positive: 13445, positive conditional: 10663, positive unconditional: 2782, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 277, unknown conditional: 0, unknown unconditional: 277] , Statistics on independence cache: Total cache size (in pairs): 277, Positive cache size: 277, Positive conditional cache size: 0, Positive unconditional cache size: 277, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 2685, Maximal queried relation: 0, Independence queries for same thread: 3591 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 217 known predicates. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 217 known predicates. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 217 known predicates. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 217 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 781018.8ms, OverallIterations: 36, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.3ms, PartialOrderReductionTime: 354511.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2774, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 262.0ms SsaConstructionTime, 1946.1ms SatisfiabilityAnalysisTime, 376327.9ms InterpolantComputationTime, 6464 NumberOfCodeBlocks, 6464 NumberOfCodeBlocksAsserted, 416 NumberOfCheckSat, 6392 ConstructedInterpolants, 292 QuantifiedInterpolants, 434011 SizeOfPredicates, 164 NumberOfNonLiveVariables, 8116 ConjunctsInSsa, 3427 ConjunctsInUnsatCore, 72 InterpolantComputations, 0 PerfectInterpolantSequences, 8723/45520 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