/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 18:31:02,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 18:31:02,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 18:31:02,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 18:31:02,393 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-08-07 18:31:02,433 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 18:31:02,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 18:31:02,434 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 18:31:02,434 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 18:31:02,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 18:31:02,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 18:31:02,437 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 18:31:02,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 18:31:02,438 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 18:31:02,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 18:31:02,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 18:31:02,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 18:31:02,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 18:31:02,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 18:31:02,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 18:31:02,440 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 18:31:02,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 18:31:02,440 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 18:31:02,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 18:31:02,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 18:31:02,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 18:31:02,441 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 18:31:02,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 18:31:02,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 18:31:02,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 18:31:02,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 18:31:02,442 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 18:31:02,442 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 18:31:02,442 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-07 18:31:02,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 18:31:02,442 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 18:31:02,442 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 18:31:02,443 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 18:31:02,443 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-08-07 18:31:02,443 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 18:31:02,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 18:31:02,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 18:31:02,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 18:31:02,827 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-07 18:31:02,828 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-07 18:31:02,829 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl [2021-08-07 18:31:02,830 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl' [2021-08-07 18:31:02,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 18:31:02,859 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-07 18:31:02,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 18:31:02,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 18:31:02,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 18:31:02,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:31:02" (1/1) ... [2021-08-07 18:31:02,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:31:02" (1/1) ... [2021-08-07 18:31:02,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 18:31:02,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 18:31:02,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 18:31:02,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 18:31:02,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:31:02" (1/1) ... [2021-08-07 18:31:02,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:31:02" (1/1) ... [2021-08-07 18:31:02,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:31:02" (1/1) ... [2021-08-07 18:31:02,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:31:02" (1/1) ... [2021-08-07 18:31:02,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:31:02" (1/1) ... [2021-08-07 18:31:02,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:31:02" (1/1) ... [2021-08-07 18:31:02,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:31:02" (1/1) ... [2021-08-07 18:31:02,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 18:31:02,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 18:31:02,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 18:31:02,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 18:31:02,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:31:02" (1/1) ... [2021-08-07 18:31:02,918 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 18:31:02,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:31:02,946 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) [2021-08-07 18:31:02,953 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 [2021-08-07 18:31:02,992 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-07 18:31:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-07 18:31:02,993 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-07 18:31:02,993 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-07 18:31:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-07 18:31:02,993 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-07 18:31:02,993 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-07 18:31:02,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 18:31:02,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 18:31:02,995 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-07 18:31:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-07 18:31:02,995 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-07 18:31:02,996 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 18:31:03,194 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 18:31:03,195 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-07 18:31:03,196 INFO L202 PluginConnector]: Adding new model simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 06:31:03 BoogieIcfgContainer [2021-08-07 18:31:03,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 18:31:03,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 18:31:03,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 18:31:03,213 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 18:31:03,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:31:02" (1/2) ... [2021-08-07 18:31:03,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@146712da and model type simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 06:31:03, skipping insertion in model container [2021-08-07 18:31:03,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 06:31:03" (2/2) ... [2021-08-07 18:31:03,215 INFO L111 eAbstractionObserver]: Analyzing ICFG simple-array-sum.wvr.bpl [2021-08-07 18:31:03,219 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 18:31:03,219 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 18:31:03,219 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 18:31:03,219 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 18:31:03,278 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-07 18:31:03,318 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 18:31:03,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:31:03,319 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) [2021-08-07 18:31:03,320 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 [2021-08-07 18:31:03,343 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 18:31:03,348 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 [2021-08-07 18:31:03,349 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-07 18:31:03,490 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:31:03,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:31:03,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1165228457, now seen corresponding path program 1 times [2021-08-07 18:31:03,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:31:03,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848756648] [2021-08-07 18:31:03,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:31:03,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:31:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:31:03,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-07 18:31:03,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:31:03,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848756648] [2021-08-07 18:31:03,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848756648] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 18:31:03,660 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 18:31:03,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-07 18:31:03,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448284686] [2021-08-07 18:31:03,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 18:31:03,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:31:03,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 18:31:03,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 18:31:03,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:31:03,676 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:31:03,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 18:31:03,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:31:03,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:31:03,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 18:31:03,726 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:31:03,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:31:03,727 INFO L82 PathProgramCache]: Analyzing trace with hash 489485835, now seen corresponding path program 1 times [2021-08-07 18:31:03,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:31:03,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619231575] [2021-08-07 18:31:03,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:31:03,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:31:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:31:04,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:31:04,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:31:04,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619231575] [2021-08-07 18:31:04,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619231575] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:31:04,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066920103] [2021-08-07 18:31:04,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:31:04,049 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:31:04,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:31:04,050 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) [2021-08-07 18:31:04,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-07 18:31:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:31:04,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-07 18:31:04,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:31:04,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-08-07 18:31:04,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2021-08-07 18:31:04,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-08-07 18:31:05,008 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:31:05,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066920103] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:31:05,009 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:31:05,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-08-07 18:31:05,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525013319] [2021-08-07 18:31:05,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-07 18:31:05,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:31:05,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-07 18:31:05,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-08-07 18:31:05,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:31:05,019 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:31:05,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 11 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 18:31:05,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:31:05,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:31:05,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:31:05,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:31:05,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-07 18:31:05,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-08-07 18:31:05,413 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:31:05,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:31:05,414 INFO L82 PathProgramCache]: Analyzing trace with hash -359112211, now seen corresponding path program 2 times [2021-08-07 18:31:05,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:31:05,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092818425] [2021-08-07 18:31:05,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:31:05,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:31:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:31:05,485 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:31:05,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:31:05,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092818425] [2021-08-07 18:31:05,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092818425] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:31:05,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058613996] [2021-08-07 18:31:05,486 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 18:31:05,486 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:31:05,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:31:05,491 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) [2021-08-07 18:31:05,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-07 18:31:05,581 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 18:31:05,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 18:31:05,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-07 18:31:05,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:31:05,806 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-07 18:31:05,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058613996] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:31:05,807 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:31:05,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-08-07 18:31:05,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608370914] [2021-08-07 18:31:05,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-07 18:31:05,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:31:05,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-07 18:31:05,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-08-07 18:31:05,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:31:05,809 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:31:05,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 9 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 18:31:05,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:31:05,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:31:05,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:31:06,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:31:06,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:31:06,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 18:31:06,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-07 18:31:06,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:31:06,269 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:31:06,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:31:06,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1783455915, now seen corresponding path program 3 times [2021-08-07 18:31:06,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:31:06,270 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367325040] [2021-08-07 18:31:06,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:31:06,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:31:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:31:06,721 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:31:06,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:31:06,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367325040] [2021-08-07 18:31:06,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367325040] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:31:06,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571239029] [2021-08-07 18:31:06,721 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-07 18:31:06,721 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:31:06,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:31:06,725 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) [2021-08-07 18:31:06,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-07 18:31:06,846 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-07 18:31:06,846 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 18:31:06,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 32 conjunts are in the unsatisfiable core [2021-08-07 18:31:06,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:31:07,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-08-07 18:31:07,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2021-08-07 18:31:07,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-08-07 18:31:07,684 INFO L354 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2021-08-07 18:31:07,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 22 [2021-08-07 18:31:07,807 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:31:07,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571239029] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:31:07,808 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:31:07,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-08-07 18:31:07,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465818521] [2021-08-07 18:31:07,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-08-07 18:31:07,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:31:07,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-07 18:31:07,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2021-08-07 18:31:07,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:31:07,810 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:31:07,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 20 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 18:31:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:31:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:31:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 18:31:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:31:08,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:31:08,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:31:08,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 18:31:08,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:31:08,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-07 18:31:08,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:31:08,733 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:31:08,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:31:08,734 INFO L82 PathProgramCache]: Analyzing trace with hash 119538919, now seen corresponding path program 4 times [2021-08-07 18:31:08,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:31:08,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688574785] [2021-08-07 18:31:08,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:31:08,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:31:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:31:08,815 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-07 18:31:08,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:31:08,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688574785] [2021-08-07 18:31:08,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688574785] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:31:08,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107059952] [2021-08-07 18:31:08,816 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-07 18:31:08,816 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:31:08,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:31:08,817 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) [2021-08-07 18:31:08,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-07 18:31:08,951 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-07 18:31:08,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 18:31:08,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-07 18:31:08,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:31:09,160 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-07 18:31:09,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107059952] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:31:09,161 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:31:09,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-08-07 18:31:09,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706760596] [2021-08-07 18:31:09,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-07 18:31:09,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:31:09,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-07 18:31:09,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-08-07 18:31:09,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:31:09,166 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:31:09,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 9 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 18:31:09,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:31:09,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:31:09,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 18:31:09,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:31:09,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:31:09,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:31:09,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:31:09,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:31:09,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:31:09,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:31:09,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-07 18:31:09,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:31:09,601 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:31:09,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:31:09,601 INFO L82 PathProgramCache]: Analyzing trace with hash -259879133, now seen corresponding path program 5 times [2021-08-07 18:31:09,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:31:09,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970218685] [2021-08-07 18:31:09,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:31:09,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:31:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:31:09,688 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-08-07 18:31:09,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:31:09,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970218685] [2021-08-07 18:31:09,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970218685] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:31:09,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779614125] [2021-08-07 18:31:09,689 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-07 18:31:09,689 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:31:09,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:31:09,690 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) [2021-08-07 18:31:09,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-07 18:31:09,839 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-08-07 18:31:09,839 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 18:31:09,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-07 18:31:09,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:31:10,197 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 14 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-08-07 18:31:10,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779614125] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:31:10,197 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:31:10,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2021-08-07 18:31:10,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298694986] [2021-08-07 18:31:10,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-07 18:31:10,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:31:10,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-07 18:31:10,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-08-07 18:31:10,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:31:10,199 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:31:10,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.8) internal successors, (57), 14 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 18:31:10,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:31:10,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:31:10,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:31:10,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:31:10,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:31:10,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:31:10,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:31:10,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:31:10,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:31:10,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:31:10,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:31:10,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:31:10,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-07 18:31:10,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:31:10,921 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:31:10,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:31:10,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1264214855, now seen corresponding path program 6 times [2021-08-07 18:31:10,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:31:10,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116907700] [2021-08-07 18:31:10,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:31:10,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:31:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:31:11,020 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 30 proven. 16 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-08-07 18:31:11,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:31:11,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116907700] [2021-08-07 18:31:11,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116907700] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:31:11,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890771459] [2021-08-07 18:31:11,021 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-07 18:31:11,021 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:31:11,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:31:11,022 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) [2021-08-07 18:31:11,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-07 18:31:11,219 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-08-07 18:31:11,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 18:31:11,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-07 18:31:11,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:31:11,612 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 35 proven. 16 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-08-07 18:31:11,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890771459] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:31:11,613 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:31:11,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2021-08-07 18:31:11,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772265582] [2021-08-07 18:31:11,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-08-07 18:31:11,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:31:11,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-08-07 18:31:11,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2021-08-07 18:31:11,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:31:11,614 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:31:11,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.1818181818181817) internal successors, (70), 21 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 18:31:11,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:31:11,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:31:11,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:31:11,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:31:11,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:31:11,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:31:11,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:31:11,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:31:11,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:31:11,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:31:11,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:31:11,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:31:11,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:31:11,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:31:11,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-07 18:31:12,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:31:12,168 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:31:12,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:31:12,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1109257701, now seen corresponding path program 7 times [2021-08-07 18:31:12,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:31:12,169 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370619956] [2021-08-07 18:31:12,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:31:12,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:31:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:31:13,205 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 4 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:31:13,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:31:13,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370619956] [2021-08-07 18:31:13,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370619956] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:31:13,206 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451738390] [2021-08-07 18:31:13,206 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-07 18:31:13,206 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:31:13,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:31:13,209 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) [2021-08-07 18:31:13,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-07 18:31:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:31:13,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 63 conjunts are in the unsatisfiable core [2021-08-07 18:31:13,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:31:14,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-07 18:31:14,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-08-07 18:31:14,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-08-07 18:31:14,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-08-07 18:31:14,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 54 [2021-08-07 18:31:14,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:31:14,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 51 [2021-08-07 18:31:15,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2021-08-07 18:31:15,572 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:31:15,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451738390] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:31:15,573 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:31:15,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 37 [2021-08-07 18:31:15,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700113515] [2021-08-07 18:31:15,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-08-07 18:31:15,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:31:15,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-08-07 18:31:15,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=1254, Unknown=0, NotChecked=0, Total=1406 [2021-08-07 18:31:15,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:31:15,575 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:31:15,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 2.5) internal successors, (95), 37 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 18:31:15,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:31:15,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:31:15,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:31:15,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:31:15,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:31:15,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:31:15,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:31:15,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:31:17,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:31:17,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:31:17,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:31:17,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:31:17,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:31:17,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:31:17,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:31:17,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 18:31:17,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-08-07 18:31:17,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-08-07 18:31:17,505 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:31:17,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:31:17,506 INFO L82 PathProgramCache]: Analyzing trace with hash 247079263, now seen corresponding path program 8 times [2021-08-07 18:31:17,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:31:17,506 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606676225] [2021-08-07 18:31:17,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:31:17,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:31:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:31:17,640 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 16 proven. 55 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-08-07 18:31:17,640 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:31:17,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606676225] [2021-08-07 18:31:17,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606676225] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:31:17,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247608202] [2021-08-07 18:31:17,640 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 18:31:17,640 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:31:17,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:31:17,645 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) [2021-08-07 18:31:17,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-07 18:31:17,993 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 18:31:17,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 18:31:17,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-07 18:31:17,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:31:18,309 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 25 proven. 46 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-08-07 18:31:18,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247608202] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:31:18,309 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:31:18,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-08-07 18:31:18,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93395005] [2021-08-07 18:31:18,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-07 18:31:18,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:31:18,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-07 18:31:18,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-08-07 18:31:18,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:31:18,311 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:31:18,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 14 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 18:31:18,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:31:18,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:31:18,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:31:18,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:31:18,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:31:18,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:31:18,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:31:18,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 18:31:18,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:31:18,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:31:18,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:31:18,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:31:18,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:31:18,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:31:18,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:31:18,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:31:18,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 18:31:18,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 18:31:18,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-07 18:31:18,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:31:18,813 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:31:18,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:31:18,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1576822629, now seen corresponding path program 9 times [2021-08-07 18:31:18,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:31:18,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997202448] [2021-08-07 18:31:18,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:31:18,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:31:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:31:19,861 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 9 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:31:19,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:31:19,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997202448] [2021-08-07 18:31:19,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997202448] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:31:19,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221126161] [2021-08-07 18:31:19,862 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-07 18:31:19,862 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:31:19,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:31:19,863 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) [2021-08-07 18:31:19,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-07 18:31:20,207 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-08-07 18:31:20,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 18:31:20,209 WARN L261 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 79 conjunts are in the unsatisfiable core [2021-08-07 18:31:20,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:31:21,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-08-07 18:31:21,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2021-08-07 18:31:21,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 34 [2021-08-07 18:31:21,539 INFO L354 Elim1Store]: treesize reduction 72, result has 18.2 percent of original size [2021-08-07 18:31:21,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 50 [2021-08-07 18:31:21,763 INFO L354 Elim1Store]: treesize reduction 132, result has 14.8 percent of original size [2021-08-07 18:31:21,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 66 [2021-08-07 18:31:22,257 INFO L354 Elim1Store]: treesize reduction 178, result has 45.9 percent of original size [2021-08-07 18:31:22,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 3 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 33 case distinctions, treesize of input 105 treesize of output 223 [2021-08-07 18:31:22,324 INFO L354 Elim1Store]: treesize reduction 164, result has 15.5 percent of original size [2021-08-07 18:31:22,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 333 treesize of output 301 [2021-08-07 18:32:08,268 INFO L354 Elim1Store]: treesize reduction 152, result has 24.4 percent of original size [2021-08-07 18:32:08,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 57 treesize of output 77 [2021-08-07 18:32:08,518 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 6 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:32:08,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221126161] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:32:08,518 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:32:08,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 28] total 49 [2021-08-07 18:32:08,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313673822] [2021-08-07 18:32:08,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2021-08-07 18:32:08,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:32:08,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-08-07 18:32:08,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=2300, Unknown=0, NotChecked=0, Total=2450 [2021-08-07 18:32:08,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:32:08,520 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:32:08,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.18) internal successors, (109), 49 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 18:32:08,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:32:08,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:32:08,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:32:08,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:32:08,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:32:08,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:32:08,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:32:08,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 18:32:08,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 18:32:08,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:32:11,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:32:11,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:32:11,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:32:11,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:32:11,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:32:11,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:32:11,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:32:11,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 18:32:11,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 18:32:11,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 18:32:11,920 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-08-07 18:32:12,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-07 18:32:12,102 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:32:12,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:32:12,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1472664791, now seen corresponding path program 10 times [2021-08-07 18:32:12,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:32:12,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005216492] [2021-08-07 18:32:12,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:32:12,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:32:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:32:12,249 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 25 proven. 75 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-08-07 18:32:12,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:32:12,250 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005216492] [2021-08-07 18:32:12,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005216492] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:32:12,250 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243995979] [2021-08-07 18:32:12,250 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-07 18:32:12,250 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:32:12,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:32:12,253 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) [2021-08-07 18:32:12,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-07 18:32:12,764 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-07 18:32:12,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 18:32:12,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 15 conjunts are in the unsatisfiable core [2021-08-07 18:32:12,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:32:13,090 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 36 proven. 64 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-08-07 18:32:13,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243995979] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:32:13,090 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:32:13,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2021-08-07 18:32:13,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555072333] [2021-08-07 18:32:13,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-07 18:32:13,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:32:13,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-07 18:32:13,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2021-08-07 18:32:13,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:32:13,091 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:32:13,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 16 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 18:32:13,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:32:13,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:32:13,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:32:13,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:32:13,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:32:13,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:32:13,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:32:13,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 18:32:13,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 18:32:13,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 18:32:13,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:32:13,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:32:13,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:32:13,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:32:13,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:32:13,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:32:13,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:32:13,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:32:13,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 18:32:13,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 18:32:13,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 18:32:13,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 18:32:13,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-08-07 18:32:13,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-08-07 18:32:13,636 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:32:13,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:32:13,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1675341277, now seen corresponding path program 11 times [2021-08-07 18:32:13,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:32:13,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125679222] [2021-08-07 18:32:13,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:32:13,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:32:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:32:14,798 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 16 proven. 152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:32:14,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:32:14,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125679222] [2021-08-07 18:32:14,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125679222] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:32:14,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061324899] [2021-08-07 18:32:14,799 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-07 18:32:14,799 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:32:14,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:32:14,800 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) [2021-08-07 18:32:14,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-07 18:32:15,294 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-08-07 18:32:15,295 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 18:32:15,296 WARN L261 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 87 conjunts are in the unsatisfiable core [2021-08-07 18:32:15,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:32:16,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-07 18:32:16,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-08-07 18:32:16,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-08-07 18:32:16,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-08-07 18:32:16,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2021-08-07 18:32:16,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:16,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 90 [2021-08-07 18:32:17,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 74 [2021-08-07 18:32:17,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:17,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 71 [2021-08-07 18:32:18,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 23 [2021-08-07 18:32:18,294 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:32:18,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061324899] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:32:18,294 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:32:18,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2021-08-07 18:32:18,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365689436] [2021-08-07 18:32:18,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2021-08-07 18:32:18,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:32:18,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-08-07 18:32:18,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=2322, Unknown=0, NotChecked=0, Total=2550 [2021-08-07 18:32:18,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:32:18,297 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:32:18,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 2.411764705882353) internal successors, (123), 50 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 18:32:18,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:32:18,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:32:18,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:32:18,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:32:18,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:32:18,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:32:18,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:32:18,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 18:32:18,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 18:32:18,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 18:32:18,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 18:32:18,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:32:20,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:32:20,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:32:20,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:32:20,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:32:20,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:32:20,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:32:20,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:32:20,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 18:32:20,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 18:32:20,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 18:32:20,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 18:32:20,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 18:32:20,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-08-07 18:32:20,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-08-07 18:32:20,912 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:32:20,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:32:20,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1978227303, now seen corresponding path program 12 times [2021-08-07 18:32:20,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:32:20,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573767003] [2021-08-07 18:32:20,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:32:20,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:32:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:32:21,105 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 36 proven. 98 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-08-07 18:32:21,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:32:21,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573767003] [2021-08-07 18:32:21,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573767003] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:32:21,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099081401] [2021-08-07 18:32:21,106 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-07 18:32:21,106 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:32:21,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:32:21,107 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) [2021-08-07 18:32:21,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-08-07 18:32:21,737 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-08-07 18:32:21,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 18:32:21,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-07 18:32:21,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:32:22,073 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 49 proven. 85 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-08-07 18:32:22,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099081401] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:32:22,074 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:32:22,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-08-07 18:32:22,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792830208] [2021-08-07 18:32:22,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-07 18:32:22,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:32:22,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-07 18:32:22,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2021-08-07 18:32:22,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:32:22,075 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:32:22,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.263157894736842) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 18:32:22,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:32:22,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:32:22,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:32:22,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:32:22,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:32:22,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:32:22,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:32:22,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 18:32:22,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 18:32:22,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 18:32:22,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 18:32:22,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 18:32:22,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:32:22,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:32:22,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:32:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:32:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:32:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:32:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:32:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:32:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 18:32:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 18:32:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 18:32:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 18:32:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 18:32:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-07 18:32:22,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-08-07 18:32:22,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-08-07 18:32:22,708 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:32:22,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:32:22,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1382113939, now seen corresponding path program 13 times [2021-08-07 18:32:22,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:32:22,709 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895343979] [2021-08-07 18:32:22,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:32:22,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:32:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:32:24,174 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 25 proven. 195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:32:24,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:32:24,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895343979] [2021-08-07 18:32:24,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895343979] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:32:24,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955829211] [2021-08-07 18:32:24,174 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-07 18:32:24,175 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:32:24,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:32:24,175 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) [2021-08-07 18:32:24,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-08-07 18:32:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:32:24,846 WARN L261 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 96 conjunts are in the unsatisfiable core [2021-08-07 18:32:24,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:32:25,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-07 18:32:26,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-08-07 18:32:26,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-08-07 18:32:26,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-08-07 18:32:26,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2021-08-07 18:32:26,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 90 [2021-08-07 18:32:26,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:26,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 106 [2021-08-07 18:32:27,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 84 [2021-08-07 18:32:27,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:27,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 81 [2021-08-07 18:32:28,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 25 [2021-08-07 18:32:28,386 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:32:28,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955829211] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:32:28,386 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:32:28,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 55 [2021-08-07 18:32:28,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498080944] [2021-08-07 18:32:28,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2021-08-07 18:32:28,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:32:28,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-08-07 18:32:28,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=2802, Unknown=0, NotChecked=0, Total=3080 [2021-08-07 18:32:28,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:32:28,389 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:32:28,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 2.4464285714285716) internal successors, (137), 55 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 18:32:28,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:32:28,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:32:28,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:32:28,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:32:28,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:32:28,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:32:28,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:32:28,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 18:32:28,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 18:32:28,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 18:32:28,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 18:32:28,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 18:32:28,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-07 18:32:28,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:32:31,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:32:31,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:32:31,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:32:31,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:32:31,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:32:31,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:32:31,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:32:31,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 18:32:31,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 18:32:31,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 18:32:31,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 18:32:31,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 18:32:31,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-07 18:32:31,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-07 18:32:31,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-08-07 18:32:31,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:32:31,519 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:32:31,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:32:31,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1891777073, now seen corresponding path program 14 times [2021-08-07 18:32:31,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:32:31,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566410081] [2021-08-07 18:32:31,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:32:31,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:32:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:32:31,723 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 49 proven. 124 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-08-07 18:32:31,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:32:31,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566410081] [2021-08-07 18:32:31,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566410081] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:32:31,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129537289] [2021-08-07 18:32:31,723 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 18:32:31,724 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:32:31,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:32:31,724 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) [2021-08-07 18:32:31,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-08-07 18:32:32,597 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 18:32:32,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 18:32:32,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-07 18:32:32,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:32:32,995 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 64 proven. 109 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-08-07 18:32:32,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129537289] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:32:32,995 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:32:32,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2021-08-07 18:32:32,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605533195] [2021-08-07 18:32:32,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-08-07 18:32:32,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:32:32,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-07 18:32:32,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2021-08-07 18:32:32,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:32:32,996 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:32:32,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 20 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 18:32:32,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:32:32,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:32:32,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:32:32,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:32:32,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:32:32,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:32:32,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:32:32,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 18:32:32,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 18:32:32,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 18:32:32,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 18:32:32,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 18:32:32,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-07 18:32:32,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-07 18:32:32,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:32:33,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:32:33,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:32:33,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:32:33,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:32:33,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:32:33,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:32:33,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:32:33,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 18:32:33,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 18:32:33,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 18:32:33,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 18:32:33,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 18:32:33,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-07 18:32:33,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-07 18:32:33,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:32:33,452 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-08-07 18:32:33,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-08-07 18:32:33,635 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:32:33,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:32:33,635 INFO L82 PathProgramCache]: Analyzing trace with hash -111124949, now seen corresponding path program 15 times [2021-08-07 18:32:33,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:32:33,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120994487] [2021-08-07 18:32:33,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:32:33,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:32:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:32:35,320 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 36 proven. 243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:32:35,320 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:32:35,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120994487] [2021-08-07 18:32:35,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120994487] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:32:35,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119494899] [2021-08-07 18:32:35,321 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-07 18:32:35,321 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:32:35,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:32:35,325 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) [2021-08-07 18:32:35,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-08-07 18:32:36,229 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-08-07 18:32:36,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 18:32:36,232 WARN L261 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 117 conjunts are in the unsatisfiable core [2021-08-07 18:32:36,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:32:37,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-07 18:32:37,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2021-08-07 18:32:37,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:37,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:37,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2021-08-07 18:32:37,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 46 [2021-08-07 18:32:37,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2021-08-07 18:32:38,184 INFO L354 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2021-08-07 18:32:38,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 60 treesize of output 74 [2021-08-07 18:32:38,440 INFO L354 Elim1Store]: treesize reduction 200, result has 14.2 percent of original size [2021-08-07 18:32:38,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 73 treesize of output 90 [2021-08-07 18:32:38,724 INFO L354 Elim1Store]: treesize reduction 292, result has 12.0 percent of original size [2021-08-07 18:32:38,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 86 treesize of output 106 [2021-08-07 18:32:39,331 INFO L354 Elim1Store]: treesize reduction 288, result has 29.6 percent of original size [2021-08-07 18:32:39,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 36 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 133 treesize of output 211 [2021-08-07 18:32:39,458 INFO L354 Elim1Store]: treesize reduction 332, result has 12.4 percent of original size [2021-08-07 18:32:39,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 301 treesize of output 282 [2021-08-07 18:32:44,725 INFO L354 Elim1Store]: treesize reduction 396, result has 3.2 percent of original size [2021-08-07 18:32:44,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 36 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 75 treesize of output 45 [2021-08-07 18:32:44,933 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 12 proven. 267 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:32:44,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119494899] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:32:44,933 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:32:44,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 34] total 64 [2021-08-07 18:32:44,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410010613] [2021-08-07 18:32:44,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2021-08-07 18:32:44,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:32:44,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-08-07 18:32:44,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=3835, Unknown=0, NotChecked=0, Total=4160 [2021-08-07 18:32:44,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:32:44,935 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:32:44,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 2.3230769230769233) internal successors, (151), 64 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 18:32:44,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:32:44,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:32:44,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:32:44,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:32:44,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:32:44,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:32:44,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:32:44,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 18:32:44,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 18:32:44,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 18:32:44,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 18:32:44,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 18:32:44,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-07 18:32:44,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-07 18:32:44,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:32:44,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:32:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:32:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:32:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:32:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:32:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:32:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:32:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:32:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 18:32:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 18:32:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 18:32:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 18:32:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 18:32:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-07 18:32:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-07 18:32:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:32:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-07 18:32:48,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-08-07 18:32:49,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-08-07 18:32:49,083 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:32:49,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:32:49,083 INFO L82 PathProgramCache]: Analyzing trace with hash 799711087, now seen corresponding path program 16 times [2021-08-07 18:32:49,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:32:49,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123590127] [2021-08-07 18:32:49,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:32:49,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:32:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:32:49,311 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 64 proven. 153 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-07 18:32:49,311 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:32:49,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123590127] [2021-08-07 18:32:49,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123590127] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:32:49,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941396595] [2021-08-07 18:32:49,311 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-07 18:32:49,311 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:32:49,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:32:49,312 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) [2021-08-07 18:32:49,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-08-07 18:32:50,366 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-07 18:32:50,366 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 18:32:50,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 21 conjunts are in the unsatisfiable core [2021-08-07 18:32:50,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:32:50,798 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 81 proven. 136 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-07 18:32:50,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941396595] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:32:50,798 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:32:50,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 22 [2021-08-07 18:32:50,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768558449] [2021-08-07 18:32:50,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-08-07 18:32:50,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:32:50,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-08-07 18:32:50,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2021-08-07 18:32:50,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:32:50,800 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:32:50,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.130434782608696) internal successors, (72), 22 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 18:32:50,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:32:50,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:32:50,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:32:50,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:32:50,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:32:50,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:32:50,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:32:50,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 18:32:50,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 18:32:50,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 18:32:50,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 18:32:50,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 18:32:50,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-07 18:32:50,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-07 18:32:50,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:32:50,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-07 18:32:50,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:32:51,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:32:51,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:32:51,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:32:51,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:32:51,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:32:51,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:32:51,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:32:51,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 18:32:51,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 18:32:51,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 18:32:51,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 18:32:51,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 18:32:51,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-07 18:32:51,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-07 18:32:51,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:32:51,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-07 18:32:51,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:32:51,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-08-07 18:32:51,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-08-07 18:32:51,517 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:32:51,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:32:51,517 INFO L82 PathProgramCache]: Analyzing trace with hash -731799413, now seen corresponding path program 17 times [2021-08-07 18:32:51,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:32:51,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693651545] [2021-08-07 18:32:51,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:32:51,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:32:51,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:32:53,423 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 49 proven. 296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:32:53,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:32:53,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693651545] [2021-08-07 18:32:53,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693651545] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:32:53,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128777904] [2021-08-07 18:32:53,423 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-07 18:32:53,423 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:32:53,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:32:53,424 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) [2021-08-07 18:32:53,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-08-07 18:32:54,536 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-08-07 18:32:54,537 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 18:32:54,539 WARN L261 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 122 conjunts are in the unsatisfiable core [2021-08-07 18:32:54,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:32:55,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-07 18:32:55,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:55,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-08-07 18:32:56,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-08-07 18:32:56,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-08-07 18:32:56,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2021-08-07 18:32:56,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 90 [2021-08-07 18:32:56,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:56,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 106 [2021-08-07 18:32:57,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 122 [2021-08-07 18:32:57,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 138 [2021-08-07 18:32:57,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 104 [2021-08-07 18:32:57,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:32:57,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 101 [2021-08-07 18:32:59,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 29 [2021-08-07 18:32:59,697 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:32:59,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128777904] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:32:59,697 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:32:59,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 36] total 69 [2021-08-07 18:32:59,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755185735] [2021-08-07 18:32:59,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2021-08-07 18:32:59,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:32:59,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-08-07 18:32:59,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=4549, Unknown=0, NotChecked=0, Total=4830 [2021-08-07 18:32:59,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:32:59,699 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:32:59,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 2.357142857142857) internal successors, (165), 69 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 18:32:59,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:32:59,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:32:59,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:32:59,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:32:59,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:32:59,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:32:59,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:32:59,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 18:32:59,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 18:32:59,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 18:32:59,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 18:32:59,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 18:32:59,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-07 18:32:59,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-07 18:32:59,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:32:59,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-07 18:32:59,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:32:59,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:33:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:33:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:33:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:33:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:33:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:33:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:33:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:33:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 18:33:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 18:33:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 18:33:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 18:33:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 18:33:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-07 18:33:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-07 18:33:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:33:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-07 18:33:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:33:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-08-07 18:33:04,717 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2021-08-07 18:33:04,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-08-07 18:33:04,898 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:33:04,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:33:04,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1124685113, now seen corresponding path program 18 times [2021-08-07 18:33:04,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:33:04,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006507613] [2021-08-07 18:33:04,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:33:04,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:33:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:33:05,211 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 81 proven. 185 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-08-07 18:33:05,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:33:05,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006507613] [2021-08-07 18:33:05,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006507613] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:33:05,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936374484] [2021-08-07 18:33:05,212 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-07 18:33:05,212 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:33:05,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:33:05,213 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) [2021-08-07 18:33:05,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-08-07 18:33:06,540 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2021-08-07 18:33:06,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 18:33:06,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 24 conjunts are in the unsatisfiable core [2021-08-07 18:33:06,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:33:07,184 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 100 proven. 166 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-08-07 18:33:07,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936374484] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:33:07,184 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:33:07,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-08-07 18:33:07,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033380794] [2021-08-07 18:33:07,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-08-07 18:33:07,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:33:07,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-08-07 18:33:07,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=968, Unknown=0, NotChecked=0, Total=1190 [2021-08-07 18:33:07,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:33:07,186 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:33:07,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.914285714285714) internal successors, (102), 34 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 18:33:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:33:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:33:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:33:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:33:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:33:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:33:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:33:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 18:33:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 18:33:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 18:33:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 18:33:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 18:33:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-07 18:33:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-07 18:33:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:33:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-07 18:33:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:33:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-08-07 18:33:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:33:08,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:33:08,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:33:08,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:33:08,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:33:08,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:33:08,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:33:08,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:33:08,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 18:33:08,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 18:33:08,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 18:33:08,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 18:33:08,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 18:33:08,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-07 18:33:08,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-07 18:33:08,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:33:08,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-07 18:33:08,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:33:08,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-08-07 18:33:08,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-08-07 18:33:08,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-08-07 18:33:09,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:33:09,169 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:33:09,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:33:09,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1195526605, now seen corresponding path program 19 times [2021-08-07 18:33:09,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:33:09,169 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389269271] [2021-08-07 18:33:09,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:33:09,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:33:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:33:11,560 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 64 proven. 354 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:33:11,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:33:11,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389269271] [2021-08-07 18:33:11,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389269271] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:33:11,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671303056] [2021-08-07 18:33:11,561 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-07 18:33:11,561 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:33:11,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:33:11,562 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) [2021-08-07 18:33:11,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-08-07 18:33:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:33:12,887 WARN L261 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 133 conjunts are in the unsatisfiable core [2021-08-07 18:33:12,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:33:14,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-07 18:33:14,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2021-08-07 18:33:14,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:14,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:14,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2021-08-07 18:33:14,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:14,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:14,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:14,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:14,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:14,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2021-08-07 18:33:15,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 70 [2021-08-07 18:33:15,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 70 [2021-08-07 18:33:15,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 86 [2021-08-07 18:33:15,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:15,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 102 [2021-08-07 18:33:15,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 106 [2021-08-07 18:33:16,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 118 [2021-08-07 18:33:16,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 166 [2021-08-07 18:33:16,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 92 [2021-08-07 18:33:18,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 31 [2021-08-07 18:33:18,352 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 0 proven. 418 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:33:18,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671303056] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:33:18,352 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:33:18,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 37] total 73 [2021-08-07 18:33:18,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674788850] [2021-08-07 18:33:18,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2021-08-07 18:33:18,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:33:18,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2021-08-07 18:33:18,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=440, Invalid=4962, Unknown=0, NotChecked=0, Total=5402 [2021-08-07 18:33:18,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:33:18,354 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:33:18,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 2.418918918918919) internal successors, (179), 73 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 18:33:18,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:33:18,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:33:18,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:33:18,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:33:18,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:33:18,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:33:18,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:33:18,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 18:33:18,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 18:33:18,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 18:33:18,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 18:33:18,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 18:33:18,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-07 18:33:18,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-07 18:33:18,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:33:18,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-07 18:33:18,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:33:18,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-08-07 18:33:18,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-08-07 18:33:18,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:33:23,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:33:23,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:33:23,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:33:23,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:33:23,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:33:23,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:33:23,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:33:23,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 18:33:23,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 18:33:23,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 18:33:23,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 18:33:23,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 18:33:23,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-07 18:33:23,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-07 18:33:23,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:33:23,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-07 18:33:23,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:33:23,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-08-07 18:33:23,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-08-07 18:33:23,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-08-07 18:33:23,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-08-07 18:33:23,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:33:23,341 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:33:23,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:33:23,341 INFO L82 PathProgramCache]: Analyzing trace with hash -4886409, now seen corresponding path program 20 times [2021-08-07 18:33:23,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:33:23,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141255315] [2021-08-07 18:33:23,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:33:23,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:33:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:33:23,745 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 100 proven. 220 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-08-07 18:33:23,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:33:23,746 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141255315] [2021-08-07 18:33:23,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141255315] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:33:23,746 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820285837] [2021-08-07 18:33:23,746 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 18:33:23,746 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:33:23,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:33:23,747 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) [2021-08-07 18:33:23,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-08-07 18:33:25,328 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 18:33:25,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 18:33:25,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 25 conjunts are in the unsatisfiable core [2021-08-07 18:33:25,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:33:25,867 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 121 proven. 199 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-08-07 18:33:25,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820285837] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:33:25,867 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:33:25,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 26 [2021-08-07 18:33:25,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808787837] [2021-08-07 18:33:25,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-08-07 18:33:25,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:33:25,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-08-07 18:33:25,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=518, Unknown=0, NotChecked=0, Total=702 [2021-08-07 18:33:25,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:33:25,869 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:33:25,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.037037037037037) internal successors, (82), 26 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 18:33:25,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:33:25,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:33:25,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:33:25,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:33:25,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:33:25,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:33:25,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:33:25,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 18:33:25,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 18:33:25,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 18:33:25,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 18:33:25,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 18:33:25,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-07 18:33:25,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-07 18:33:25,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:33:25,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-07 18:33:25,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:33:25,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-08-07 18:33:25,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-08-07 18:33:25,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-08-07 18:33:25,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:33:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:33:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 18:33:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 18:33:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 18:33:26,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:33:26,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:33:26,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:33:26,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 18:33:26,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 18:33:26,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 18:33:26,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 18:33:26,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 18:33:26,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-07 18:33:26,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-07 18:33:26,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 18:33:26,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-07 18:33:26,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 18:33:26,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-08-07 18:33:26,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-08-07 18:33:26,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-08-07 18:33:26,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-07 18:33:26,612 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2021-08-07 18:33:26,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:33:26,797 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:33:26,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:33:26,798 INFO L82 PathProgramCache]: Analyzing trace with hash -283323773, now seen corresponding path program 21 times [2021-08-07 18:33:26,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:33:26,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298972275] [2021-08-07 18:33:26,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:33:26,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:33:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:33:29,601 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 81 proven. 417 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:33:29,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:33:29,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298972275] [2021-08-07 18:33:29,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298972275] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:33:29,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124993030] [2021-08-07 18:33:29,602 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-07 18:33:29,602 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:33:29,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:33:29,603 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) [2021-08-07 18:33:29,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-08-07 18:33:31,233 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2021-08-07 18:33:31,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 18:33:31,236 WARN L261 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 150 conjunts are in the unsatisfiable core [2021-08-07 18:33:31,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:33:33,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-07 18:33:33,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:33,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-08-07 18:33:33,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:33,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:33,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:33,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-08-07 18:33:33,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:33,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:33,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:33,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:33,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:33,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:33,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-08-07 18:33:34,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2021-08-07 18:33:34,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 90 [2021-08-07 18:33:34,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:34,815 INFO L354 Elim1Store]: treesize reduction 174, result has 19.1 percent of original size [2021-08-07 18:33:34,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 89 treesize of output 106 [2021-08-07 18:33:35,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,204 INFO L354 Elim1Store]: treesize reduction 274, result has 14.9 percent of original size [2021-08-07 18:33:35,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 102 treesize of output 122 [2021-08-07 18:33:35,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:35,680 INFO L354 Elim1Store]: treesize reduction 386, result has 12.5 percent of original size [2021-08-07 18:33:35,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 115 treesize of output 138 [2021-08-07 18:33:36,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,208 INFO L354 Elim1Store]: treesize reduction 510, result has 10.8 percent of original size [2021-08-07 18:33:36,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 30 case distinctions, treesize of input 128 treesize of output 154 [2021-08-07 18:33:36,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:36,775 INFO L354 Elim1Store]: treesize reduction 646, result has 9.7 percent of original size [2021-08-07 18:33:36,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 40 case distinctions, treesize of input 141 treesize of output 170 [2021-08-07 18:33:37,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:37,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,416 INFO L354 Elim1Store]: treesize reduction 828, result has 41.6 percent of original size [2021-08-07 18:33:41,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 30 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 123 case distinctions, treesize of input 222 treesize of output 722 [2021-08-07 18:33:41,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 18:33:41,660 INFO L354 Elim1Store]: treesize reduction 500, result has 7.6 percent of original size [2021-08-07 18:33:41,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 30 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 36 case distinctions, treesize of input 1583 treesize of output 1209 [2021-08-07 18:35:17,429 WARN L207 SmtUtils]: Spent 7.52 s on a formula simplification. DAG size of input: 933 DAG size of output: 905 [2021-08-07 18:35:57,166 WARN L207 SmtUtils]: Spent 7.48 s on a formula simplification. DAG size of input: 933 DAG size of output: 905 Received shutdown request... [2021-08-07 18:44:33,173 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 [2021-08-07 18:44:33,174 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 [2021-08-07 18:44:33,175 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-07 18:44:33,178 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-07 18:44:33,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-08-07 18:44:33,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:44:33,401 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-12-18-1 term,while PolyPacSimplificationTermWalker was simplifying 17 xjuncts wrt. a ∧-50-18-4-6-2-2-1 context. [2021-08-07 18:44:33,403 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 18:44:33,403 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 18:44:33,403 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-07 18:44:33,410 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 18:44:33,411 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 18:44:33,412 INFO L202 PluginConnector]: Adding new model simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 06:44:33 BasicIcfg [2021-08-07 18:44:33,412 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 18:44:33,413 INFO L168 Benchmark]: Toolchain (without parser) took 810554.39 ms. Allocated memory was 177.2 MB in the beginning and 777.0 MB in the end (delta: 599.8 MB). Free memory was 158.2 MB in the beginning and 595.9 MB in the end (delta: -437.7 MB). Peak memory consumption was 594.7 MB. Max. memory is 8.0 GB. [2021-08-07 18:44:33,413 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 177.2 MB. Free memory is still 159.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 18:44:33,413 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.34 ms. Allocated memory is still 177.2 MB. Free memory was 158.1 MB in the beginning and 156.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 18:44:33,413 INFO L168 Benchmark]: Boogie Preprocessor took 16.40 ms. Allocated memory is still 177.2 MB. Free memory was 156.6 MB in the beginning and 155.7 MB in the end (delta: 906.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 18:44:33,413 INFO L168 Benchmark]: RCFGBuilder took 286.35 ms. Allocated memory is still 177.2 MB. Free memory was 155.7 MB in the beginning and 142.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-07 18:44:33,413 INFO L168 Benchmark]: TraceAbstraction took 810202.01 ms. Allocated memory was 177.2 MB in the beginning and 777.0 MB in the end (delta: 599.8 MB). Free memory was 141.5 MB in the beginning and 595.9 MB in the end (delta: -454.4 MB). Peak memory consumption was 577.9 MB. Max. memory is 8.0 GB. [2021-08-07 18:44:33,414 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 0.15 ms. Allocated memory is still 177.2 MB. Free memory is still 159.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 32.34 ms. Allocated memory is still 177.2 MB. Free memory was 158.1 MB in the beginning and 156.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.40 ms. Allocated memory is still 177.2 MB. Free memory was 156.6 MB in the beginning and 155.7 MB in the end (delta: 906.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 286.35 ms. Allocated memory is still 177.2 MB. Free memory was 155.7 MB in the beginning and 142.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 810202.01 ms. Allocated memory was 177.2 MB in the beginning and 777.0 MB in the end (delta: 599.8 MB). Free memory was 141.5 MB in the beginning and 595.9 MB in the end (delta: -454.4 MB). Peak memory consumption was 577.9 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: 7961, positive: 5958, positive conditional: 5623, positive unconditional: 335, negative: 2003, negative conditional: 1999, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6179, positive: 5958, positive conditional: 5623, positive unconditional: 335, negative: 221, negative conditional: 217, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6179, positive: 5958, positive conditional: 5623, positive unconditional: 335, negative: 221, negative conditional: 217, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9659, positive: 5958, positive conditional: 5563, positive unconditional: 395, negative: 3701, negative conditional: 3480, negative unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9659, positive: 5958, positive conditional: 4880, positive unconditional: 1078, negative: 3701, negative conditional: 2708, negative unconditional: 993, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9659, positive: 5958, positive conditional: 4880, positive unconditional: 1078, negative: 3701, negative conditional: 2708, negative unconditional: 993, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 486, positive: 311, positive conditional: 16, positive unconditional: 295, negative: 175, negative conditional: 170, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 486, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 191, negative conditional: 0, negative unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 191, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 175, negative conditional: 170, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 429, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 410, negative conditional: 351, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9659, positive: 5647, positive conditional: 4864, positive unconditional: 783, negative: 3526, negative conditional: 2538, negative unconditional: 988, unknown: 486, unknown conditional: 186, unknown unconditional: 300] , Statistics on independence cache: Total cache size (in pairs): 486, Positive cache size: 311, Positive conditional cache size: 16, Positive unconditional cache size: 295, Negative cache size: 175, Negative conditional cache size: 170, Negative unconditional cache size: 5, Eliminated conditions: 1455, Maximal queried relation: 21, Independence queries for same thread: 1782 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 100, Number of persistent set computation: 24, Number of trivial persistent sets: 9, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 339, positive: 335, positive conditional: 0, positive unconditional: 335, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7961, positive: 5958, positive conditional: 5623, positive unconditional: 335, negative: 2003, negative conditional: 1999, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6179, positive: 5958, positive conditional: 5623, positive unconditional: 335, negative: 221, negative conditional: 217, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6179, positive: 5958, positive conditional: 5623, positive unconditional: 335, negative: 221, negative conditional: 217, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9659, positive: 5958, positive conditional: 5563, positive unconditional: 395, negative: 3701, negative conditional: 3480, negative unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9659, positive: 5958, positive conditional: 4880, positive unconditional: 1078, negative: 3701, negative conditional: 2708, negative unconditional: 993, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9659, positive: 5958, positive conditional: 4880, positive unconditional: 1078, negative: 3701, negative conditional: 2708, negative unconditional: 993, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 486, positive: 311, positive conditional: 16, positive unconditional: 295, negative: 175, negative conditional: 170, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 486, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 191, negative conditional: 0, negative unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 191, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 175, negative conditional: 170, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 429, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 410, negative conditional: 351, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9659, positive: 5647, positive conditional: 4864, positive unconditional: 783, negative: 3526, negative conditional: 2538, negative unconditional: 988, unknown: 486, unknown conditional: 186, unknown unconditional: 300] , Statistics on independence cache: Total cache size (in pairs): 486, Positive cache size: 311, Positive conditional cache size: 16, Positive unconditional cache size: 295, Negative cache size: 175, Negative conditional cache size: 170, Negative unconditional cache size: 5, Eliminated conditions: 1455, Maximal queried relation: 21, Independence queries for same thread: 1782 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-12-18-1 term,while PolyPacSimplificationTermWalker was simplifying 17 xjuncts wrt. a ∧-50-18-4-6-2-2-1 context. - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-12-18-1 term,while PolyPacSimplificationTermWalker was simplifying 17 xjuncts wrt. a ∧-50-18-4-6-2-2-1 context. - TimeoutResultAtElement [Line: 62]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-12-18-1 term,while PolyPacSimplificationTermWalker was simplifying 17 xjuncts wrt. a ∧-50-18-4-6-2-2-1 context. - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-12-18-1 term,while PolyPacSimplificationTermWalker was simplifying 17 xjuncts wrt. a ∧-50-18-4-6-2-2-1 context. - 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: 810094.1ms, OverallIterations: 22, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.5ms, PartialOrderReductionTime: 31020.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 528, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 180.0ms SsaConstructionTime, 947.4ms SatisfiabilityAnalysisTime, 95324.7ms InterpolantComputationTime, 2495 NumberOfCodeBlocks, 2495 NumberOfCodeBlocksAsserted, 108 NumberOfCheckSat, 2454 ConstructedInterpolants, 61 QuantifiedInterpolants, 74535 SizeOfPredicates, 82 NumberOfNonLiveVariables, 3180 ConjunctsInSsa, 916 ConjunctsInUnsatCore, 41 InterpolantComputations, 1 PerfectInterpolantSequences, 2467/7368 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown