/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 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 20:33:52,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 20:33:52,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 20:33:52,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-22 20:33:52,719 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-08-22 20:33:52,746 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 20:33:52,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 20:33:52,747 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 20:33:52,747 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 20:33:52,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 20:33:52,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 20:33:52,749 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 20:33:52,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 20:33:52,749 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 20:33:52,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 20:33:52,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 20:33:52,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 20:33:52,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 20:33:52,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 20:33:52,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 20:33:52,751 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 20:33:52,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 20:33:52,751 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 20:33:52,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 20:33:52,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 20:33:52,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 20:33:52,751 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 20:33:52,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 20:33:52,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 20:33:52,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 20:33:52,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 20:33:52,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 20:33:52,752 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 20:33:52,752 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-22 20:33:52,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 20:33:52,752 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 20:33:52,752 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 20:33:52,753 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 20:33:52,753 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-22 20:33:52,753 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-08-22 20:33:52,753 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 20:33:53,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 20:33:53,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 20:33:53,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 20:33:53,032 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-22 20:33:53,038 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-22 20:33:53,039 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl [2021-08-22 20:33:53,039 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl' [2021-08-22 20:33:53,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 20:33:53,067 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-22 20:33:53,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 20:33:53,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 20:33:53,068 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 20:33:53,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:33:53" (1/1) ... [2021-08-22 20:33:53,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:33:53" (1/1) ... [2021-08-22 20:33:53,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 20:33:53,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 20:33:53,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 20:33:53,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 20:33:53,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:33:53" (1/1) ... [2021-08-22 20:33:53,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:33:53" (1/1) ... [2021-08-22 20:33:53,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:33:53" (1/1) ... [2021-08-22 20:33:53,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:33:53" (1/1) ... [2021-08-22 20:33:53,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:33:53" (1/1) ... [2021-08-22 20:33:53,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:33:53" (1/1) ... [2021-08-22 20:33:53,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:33:53" (1/1) ... [2021-08-22 20:33:53,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 20:33:53,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 20:33:53,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 20:33:53,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 20:33:53,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:33:53" (1/1) ... [2021-08-22 20:33:53,114 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 20:33:53,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:33:53,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-22 20:33:53,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-22 20:33:53,186 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-22 20:33:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-22 20:33:53,187 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-22 20:33:53,187 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-22 20:33:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-22 20:33:53,187 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-22 20:33:53,188 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-22 20:33:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 20:33:53,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 20:33:53,189 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-22 20:33:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-22 20:33:53,189 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-22 20:33:53,190 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-22 20:33:53,376 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 20:33:53,376 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-22 20:33:53,378 INFO L202 PluginConnector]: Adding new model simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 08:33:53 BoogieIcfgContainer [2021-08-22 20:33:53,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 20:33:53,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 20:33:53,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 20:33:53,381 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 20:33:53,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:33:53" (1/2) ... [2021-08-22 20:33:53,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c9a8f77 and model type simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 08:33:53, skipping insertion in model container [2021-08-22 20:33:53,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 08:33:53" (2/2) ... [2021-08-22 20:33:53,382 INFO L111 eAbstractionObserver]: Analyzing ICFG simple-array-sum.wvr.bpl [2021-08-22 20:33:53,385 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 20:33:53,385 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 20:33:53,385 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 20:33:53,386 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 20:33:53,411 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-22 20:33:53,438 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 20:33:53,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:33:53,439 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-22 20:33:53,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-22 20:33:53,460 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-22 20:33:53,464 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-22 20:33:53,465 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-22 20:33:53,602 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:33:53,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:33:53,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1165228457, now seen corresponding path program 1 times [2021-08-22 20:33:53,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:33:53,621 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366795870] [2021-08-22 20:33:53,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:33:53,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:33:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:33:53,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 20:33:53,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:33:53,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366795870] [2021-08-22 20:33:53,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366795870] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 20:33:53,764 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 20:33:53,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 20:33:53,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936218165] [2021-08-22 20:33:53,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-22 20:33:53,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:33:53,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-22 20:33:53,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-22 20:33:53,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:33:53,778 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:33:53,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:33:53,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:33:53,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:33:53,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 20:33:53,820 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:33:53,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:33:53,820 INFO L82 PathProgramCache]: Analyzing trace with hash 489485835, now seen corresponding path program 1 times [2021-08-22 20:33:53,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:33:53,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292879425] [2021-08-22 20:33:53,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:33:53,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:33:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:33:54,005 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:33:54,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:33:54,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292879425] [2021-08-22 20:33:54,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292879425] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:33:54,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467114274] [2021-08-22 20:33:54,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:33:54,007 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:33:54,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:33:54,008 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 20:33:54,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-22 20:33:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:33:54,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-22 20:33:54,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:33:54,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-08-22 20:33:54,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2021-08-22 20:33:54,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-08-22 20:33:54,644 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:33:54,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1467114274] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:33:54,645 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:33:54,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-08-22 20:33:54,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130276241] [2021-08-22 20:33:54,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-22 20:33:54,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:33:54,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-22 20:33:54,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-08-22 20:33:54,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:33:54,647 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:33:54,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 11 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:33:54,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:33:54,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:33:54,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:33:54,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:33:54,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-22 20:33:54,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-08-22 20:33:54,964 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:33:54,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:33:54,965 INFO L82 PathProgramCache]: Analyzing trace with hash -359112211, now seen corresponding path program 2 times [2021-08-22 20:33:54,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:33:54,965 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261390044] [2021-08-22 20:33:54,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:33:54,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:33:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:33:55,016 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:33:55,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:33:55,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261390044] [2021-08-22 20:33:55,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261390044] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:33:55,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723531104] [2021-08-22 20:33:55,017 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 20:33:55,017 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:33:55,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:33:55,018 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 20:33:55,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-22 20:33:55,110 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 20:33:55,110 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:33:55,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-22 20:33:55,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:33:55,202 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 20:33:55,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1723531104] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:33:55,203 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:33:55,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-08-22 20:33:55,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164278018] [2021-08-22 20:33:55,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-22 20:33:55,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:33:55,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-22 20:33:55,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-08-22 20:33:55,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:33:55,204 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:33:55,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 9 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:33:55,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:33:55,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:33:55,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:33:55,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:33:55,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:33:55,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 20:33:55,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-22 20:33:55,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:33:55,578 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:33:55,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:33:55,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1783455915, now seen corresponding path program 3 times [2021-08-22 20:33:55,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:33:55,578 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230385817] [2021-08-22 20:33:55,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:33:55,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:33:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:33:55,995 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:33:55,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:33:55,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230385817] [2021-08-22 20:33:55,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230385817] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:33:55,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231545672] [2021-08-22 20:33:55,996 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 20:33:55,996 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:33:55,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:33:56,013 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 20:33:56,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-22 20:33:56,112 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-22 20:33:56,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:33:56,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 32 conjunts are in the unsatisfiable core [2021-08-22 20:33:56,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:33:56,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-08-22 20:33:56,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2021-08-22 20:33:56,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-08-22 20:33:56,713 INFO L354 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2021-08-22 20:33:56,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 22 [2021-08-22 20:33:56,790 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:33:56,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231545672] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:33:56,791 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:33:56,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-08-22 20:33:56,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775422986] [2021-08-22 20:33:56,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-08-22 20:33:56,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:33:56,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-22 20:33:56,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2021-08-22 20:33:56,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:33:56,793 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:33:56,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 20 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:33:56,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:33:56,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:33:56,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 20:33:56,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:33:57,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:33:57,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:33:57,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 20:33:57,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:33:57,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-22 20:33:57,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:33:57,581 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:33:57,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:33:57,581 INFO L82 PathProgramCache]: Analyzing trace with hash 119538919, now seen corresponding path program 4 times [2021-08-22 20:33:57,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:33:57,582 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717401615] [2021-08-22 20:33:57,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:33:57,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:33:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:33:57,634 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-22 20:33:57,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:33:57,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717401615] [2021-08-22 20:33:57,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717401615] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:33:57,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899517647] [2021-08-22 20:33:57,635 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-22 20:33:57,635 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:33:57,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:33:57,636 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 20:33:57,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-22 20:33:57,785 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-22 20:33:57,785 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:33:57,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-22 20:33:57,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:33:57,875 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-22 20:33:57,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899517647] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:33:57,875 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:33:57,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-08-22 20:33:57,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599776352] [2021-08-22 20:33:57,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-22 20:33:57,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:33:57,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-22 20:33:57,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-08-22 20:33:57,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:33:57,877 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:33:57,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 9 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:33:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:33:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:33:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 20:33:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:33:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:33:58,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:33:58,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:33:58,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:33:58,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:33:58,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:33:58,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-22 20:33:58,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:33:58,240 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:33:58,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:33:58,241 INFO L82 PathProgramCache]: Analyzing trace with hash -259879133, now seen corresponding path program 5 times [2021-08-22 20:33:58,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:33:58,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732026491] [2021-08-22 20:33:58,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:33:58,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:33:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:33:58,303 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-08-22 20:33:58,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:33:58,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732026491] [2021-08-22 20:33:58,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732026491] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:33:58,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268995705] [2021-08-22 20:33:58,304 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-22 20:33:58,304 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:33:58,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:33:58,317 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 20:33:58,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-22 20:33:58,491 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-08-22 20:33:58,491 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:33:58,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-22 20:33:58,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:33:58,642 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 14 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-08-22 20:33:58,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268995705] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:33:58,642 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:33:58,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2021-08-22 20:33:58,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48325673] [2021-08-22 20:33:58,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-22 20:33:58,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:33:58,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-22 20:33:58,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-08-22 20:33:58,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:33:58,644 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:33:58,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.8) internal successors, (57), 14 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:33:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:33:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:33:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:33:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:33:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:33:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:33:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:33:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:33:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:33:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:33:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:33:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:33:59,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-22 20:33:59,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:33:59,303 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:33:59,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:33:59,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1264214855, now seen corresponding path program 6 times [2021-08-22 20:33:59,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:33:59,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775915907] [2021-08-22 20:33:59,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:33:59,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:33:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:33:59,381 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 30 proven. 16 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-08-22 20:33:59,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:33:59,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775915907] [2021-08-22 20:33:59,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775915907] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:33:59,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529808972] [2021-08-22 20:33:59,382 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-22 20:33:59,382 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:33:59,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:33:59,382 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 20:33:59,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-22 20:33:59,553 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-08-22 20:33:59,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:33:59,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-22 20:33:59,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:33:59,762 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 35 proven. 16 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-08-22 20:33:59,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529808972] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:33:59,762 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:33:59,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2021-08-22 20:33:59,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598695318] [2021-08-22 20:33:59,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-08-22 20:33:59,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:33:59,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-08-22 20:33:59,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2021-08-22 20:33:59,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:33:59,764 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:33:59,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.1818181818181817) internal successors, (70), 21 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:33:59,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:33:59,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:33:59,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:33:59,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:33:59,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:33:59,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:33:59,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:34:00,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:34:00,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:34:00,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:34:00,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:34:00,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:34:00,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:34:00,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:34:00,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-22 20:34:00,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:34:00,280 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:34:00,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:34:00,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1109257701, now seen corresponding path program 7 times [2021-08-22 20:34:00,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:34:00,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055217250] [2021-08-22 20:34:00,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:34:00,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:34:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:34:01,162 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 4 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:34:01,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:34:01,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055217250] [2021-08-22 20:34:01,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055217250] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:34:01,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979127056] [2021-08-22 20:34:01,163 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-22 20:34:01,163 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:34:01,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:34:01,165 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 20:34:01,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-22 20:34:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:34:01,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 63 conjunts are in the unsatisfiable core [2021-08-22 20:34:01,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:34:01,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-22 20:34:02,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-08-22 20:34:02,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-08-22 20:34:02,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-08-22 20:34:02,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 54 [2021-08-22 20:34:02,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:34:02,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 51 [2021-08-22 20:34:02,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2021-08-22 20:34:02,914 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:34:02,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979127056] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:34:02,914 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:34:02,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 37 [2021-08-22 20:34:02,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164470547] [2021-08-22 20:34:02,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-08-22 20:34:02,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:34:02,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-08-22 20:34:02,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=1254, Unknown=0, NotChecked=0, Total=1406 [2021-08-22 20:34:02,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:34:02,916 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:34:02,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 2.5) internal successors, (95), 37 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:34:02,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:34:02,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:34:02,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:34:02,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:34:02,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:34:02,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:34:02,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:34:02,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:34:04,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:34:04,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:34:04,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:34:04,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:34:04,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:34:04,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:34:04,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:34:04,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 20:34:04,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-22 20:34:04,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-08-22 20:34:04,839 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:34:04,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:34:04,840 INFO L82 PathProgramCache]: Analyzing trace with hash 247079263, now seen corresponding path program 8 times [2021-08-22 20:34:04,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:34:04,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893936848] [2021-08-22 20:34:04,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:34:04,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:34:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:34:04,942 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 16 proven. 55 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-08-22 20:34:04,943 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:34:04,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893936848] [2021-08-22 20:34:04,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893936848] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:34:04,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716172748] [2021-08-22 20:34:04,943 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 20:34:04,943 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:34:04,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:34:04,944 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 20:34:04,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-22 20:34:05,231 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 20:34:05,232 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:34:05,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-22 20:34:05,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:34:05,382 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 25 proven. 46 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-08-22 20:34:05,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716172748] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:34:05,383 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:34:05,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-08-22 20:34:05,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6439247] [2021-08-22 20:34:05,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-22 20:34:05,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:34:05,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-22 20:34:05,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-08-22 20:34:05,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:34:05,384 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:34:05,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 14 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:34:05,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:34:05,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:34:05,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:34:05,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:34:05,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:34:05,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:34:05,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:34:05,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 20:34:05,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:34:05,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:34:05,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:34:05,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:34:05,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:34:05,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:34:05,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:34:05,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:34:05,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 20:34:05,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:34:05,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-22 20:34:05,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:34:05,860 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:34:05,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:34:05,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1576822629, now seen corresponding path program 9 times [2021-08-22 20:34:05,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:34:05,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532714506] [2021-08-22 20:34:05,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:34:05,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:34:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:34:06,826 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 9 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:34:06,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:34:06,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532714506] [2021-08-22 20:34:06,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532714506] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:34:06,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921574129] [2021-08-22 20:34:06,827 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 20:34:06,827 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:34:06,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:34:06,828 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 20:34:06,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-22 20:34:07,191 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-08-22 20:34:07,191 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:34:07,192 WARN L261 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 79 conjunts are in the unsatisfiable core [2021-08-22 20:34:07,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:34:07,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-08-22 20:34:08,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2021-08-22 20:34:08,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 34 [2021-08-22 20:34:08,285 INFO L354 Elim1Store]: treesize reduction 72, result has 18.2 percent of original size [2021-08-22 20:34:08,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 50 [2021-08-22 20:34:08,488 INFO L354 Elim1Store]: treesize reduction 132, result has 14.8 percent of original size [2021-08-22 20:34:08,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 66 [2021-08-22 20:34:08,975 INFO L354 Elim1Store]: treesize reduction 178, result has 45.9 percent of original size [2021-08-22 20:34:08,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 3 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 33 case distinctions, treesize of input 105 treesize of output 223 [2021-08-22 20:34:09,038 INFO L354 Elim1Store]: treesize reduction 164, result has 15.5 percent of original size [2021-08-22 20:34:09,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 333 treesize of output 301 [2021-08-22 20:35:19,700 INFO L354 Elim1Store]: treesize reduction 152, result has 24.4 percent of original size [2021-08-22 20:35:19,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 57 treesize of output 77 [2021-08-22 20:35:19,952 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 6 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:35:19,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921574129] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:35:19,952 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:35:19,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 28] total 49 [2021-08-22 20:35:19,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399441452] [2021-08-22 20:35:19,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2021-08-22 20:35:19,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:35:19,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-08-22 20:35:19,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=2300, Unknown=0, NotChecked=0, Total=2450 [2021-08-22 20:35:19,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:35:19,956 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:35:19,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.18) internal successors, (109), 49 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:35:19,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:35:19,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:35:19,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:35:19,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:35:19,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:35:19,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:35:19,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:35:19,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 20:35:19,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:35:19,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:35:23,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:35:23,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:35:23,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:35:23,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:35:23,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:35:23,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:35:23,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:35:23,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 20:35:23,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:35:23,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 20:35:23,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-22 20:35:23,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-22 20:35:23,230 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:35:23,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:35:23,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1472664791, now seen corresponding path program 10 times [2021-08-22 20:35:23,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:35:23,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334408713] [2021-08-22 20:35:23,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:35:23,231 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:35:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:35:23,366 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 25 proven. 75 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-08-22 20:35:23,366 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:35:23,366 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334408713] [2021-08-22 20:35:23,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334408713] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:35:23,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416202277] [2021-08-22 20:35:23,367 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-22 20:35:23,367 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:35:23,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:35:23,368 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 20:35:23,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-22 20:35:23,829 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-22 20:35:23,830 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:35:23,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 15 conjunts are in the unsatisfiable core [2021-08-22 20:35:23,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:35:23,995 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 36 proven. 64 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-08-22 20:35:23,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416202277] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:35:23,996 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:35:23,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2021-08-22 20:35:23,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261873773] [2021-08-22 20:35:23,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-22 20:35:23,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:35:23,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-22 20:35:23,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2021-08-22 20:35:23,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:35:23,997 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:35:23,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 16 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:35:23,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:35:23,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:35:23,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:35:23,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:35:23,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:35:23,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:35:23,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:35:23,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 20:35:23,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:35:23,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 20:35:23,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:35:24,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:35:24,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:35:24,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:35:24,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:35:24,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:35:24,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:35:24,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:35:24,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 20:35:24,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:35:24,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 20:35:24,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 20:35:24,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-08-22 20:35:24,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-08-22 20:35:24,568 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:35:24,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:35:24,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1675341277, now seen corresponding path program 11 times [2021-08-22 20:35:24,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:35:24,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297155689] [2021-08-22 20:35:24,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:35:24,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:35:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:35:25,717 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 16 proven. 152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:35:25,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:35:25,718 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297155689] [2021-08-22 20:35:25,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297155689] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:35:25,718 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83519990] [2021-08-22 20:35:25,718 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-22 20:35:25,718 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:35:25,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:35:25,719 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 20:35:25,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-22 20:35:26,216 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-08-22 20:35:26,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:35:26,218 WARN L261 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 87 conjunts are in the unsatisfiable core [2021-08-22 20:35:26,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:35:26,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-22 20:35:27,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-08-22 20:35:27,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-08-22 20:35:27,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-08-22 20:35:27,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2021-08-22 20:35:27,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 90 [2021-08-22 20:35:27,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 74 [2021-08-22 20:35:27,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:27,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 71 [2021-08-22 20:35:28,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 23 [2021-08-22 20:35:28,931 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:35:28,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83519990] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:35:28,931 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:35:28,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2021-08-22 20:35:28,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082665564] [2021-08-22 20:35:28,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2021-08-22 20:35:28,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:35:28,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-08-22 20:35:28,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=2322, Unknown=0, NotChecked=0, Total=2550 [2021-08-22 20:35:28,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:35:28,933 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:35:28,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 2.411764705882353) internal successors, (123), 50 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:35:28,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:35:28,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:35:28,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:35:28,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:35:28,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:35:28,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:35:28,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:35:28,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 20:35:28,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:35:28,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 20:35:28,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 20:35:28,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:35:31,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:35:31,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:35:31,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:35:31,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:35:31,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:35:31,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:35:31,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:35:31,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 20:35:31,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:35:31,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 20:35:31,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 20:35:31,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 20:35:31,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-08-22 20:35:31,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-08-22 20:35:31,633 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:35:31,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:35:31,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1978227303, now seen corresponding path program 12 times [2021-08-22 20:35:31,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:35:31,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600312809] [2021-08-22 20:35:31,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:35:31,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:35:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:35:31,775 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 36 proven. 98 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-08-22 20:35:31,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:35:31,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600312809] [2021-08-22 20:35:31,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600312809] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:35:31,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935712014] [2021-08-22 20:35:31,775 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-22 20:35:31,775 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:35:31,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:35:31,789 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 20:35:31,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-08-22 20:35:32,486 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-08-22 20:35:32,486 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:35:32,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-22 20:35:32,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:35:32,686 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 49 proven. 85 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-08-22 20:35:32,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935712014] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:35:32,686 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:35:32,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-08-22 20:35:32,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760724317] [2021-08-22 20:35:32,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-22 20:35:32,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:35:32,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-22 20:35:32,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2021-08-22 20:35:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:35:32,687 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:35:32,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.263157894736842) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:35:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:35:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:35:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:35:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:35:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:35:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:35:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:35:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 20:35:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:35:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 20:35:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 20:35:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 20:35:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:35:33,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:35:33,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:35:33,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:35:33,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:35:33,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:35:33,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:35:33,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:35:33,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 20:35:33,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:35:33,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 20:35:33,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 20:35:33,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 20:35:33,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:35:33,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-08-22 20:35:33,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-08-22 20:35:33,309 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:35:33,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:35:33,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1382113939, now seen corresponding path program 13 times [2021-08-22 20:35:33,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:35:33,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25372883] [2021-08-22 20:35:33,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:35:33,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:35:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:35:34,632 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 25 proven. 195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:35:34,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:35:34,633 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25372883] [2021-08-22 20:35:34,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25372883] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:35:34,633 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610219658] [2021-08-22 20:35:34,633 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-22 20:35:34,633 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:35:34,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:35:34,634 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 20:35:34,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-08-22 20:35:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:35:35,300 WARN L261 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 96 conjunts are in the unsatisfiable core [2021-08-22 20:35:35,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:35:36,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-22 20:35:36,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:36,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-08-22 20:35:36,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:36,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:36,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:36,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-08-22 20:35:36,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:36,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:36,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:36,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:36,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:36,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:36,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-08-22 20:35:36,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:36,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:36,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:36,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:36,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:36,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:36,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:36,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:36,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:36,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:36,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2021-08-22 20:35:37,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 90 [2021-08-22 20:35:37,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 106 [2021-08-22 20:35:37,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 84 [2021-08-22 20:35:37,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:37,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 81 [2021-08-22 20:35:38,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 25 [2021-08-22 20:35:38,573 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:35:38,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610219658] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:35:38,574 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:35:38,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 55 [2021-08-22 20:35:38,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609742048] [2021-08-22 20:35:38,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2021-08-22 20:35:38,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:35:38,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-08-22 20:35:38,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=2802, Unknown=0, NotChecked=0, Total=3080 [2021-08-22 20:35:38,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:35:38,576 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:35:38,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 2.4464285714285716) internal successors, (137), 55 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:35:38,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:35:38,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:35:38,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:35:38,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:35:38,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:35:38,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:35:38,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:35:38,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 20:35:38,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:35:38,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 20:35:38,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 20:35:38,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 20:35:38,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:35:38,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:35:41,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:35:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:35:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:35:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:35:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:35:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:35:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:35:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 20:35:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:35:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 20:35:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 20:35:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 20:35:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:35:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-22 20:35:41,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-08-22 20:35:41,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:35:41,813 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:35:41,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:35:41,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1891777073, now seen corresponding path program 14 times [2021-08-22 20:35:41,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:35:41,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094557278] [2021-08-22 20:35:41,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:35:41,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:35:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:35:42,021 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 49 proven. 124 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-08-22 20:35:42,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:35:42,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094557278] [2021-08-22 20:35:42,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094557278] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:35:42,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631527922] [2021-08-22 20:35:42,021 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 20:35:42,022 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:35:42,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:35:42,037 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 20:35:42,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-08-22 20:35:42,930 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 20:35:42,930 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:35:42,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-22 20:35:42,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:35:43,132 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 64 proven. 109 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-08-22 20:35:43,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631527922] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:35:43,132 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:35:43,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2021-08-22 20:35:43,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055614245] [2021-08-22 20:35:43,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-08-22 20:35:43,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:35:43,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-22 20:35:43,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2021-08-22 20:35:43,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:35:43,133 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:35:43,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 20 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:35:43,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:35:43,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:35:43,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:35:43,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:35:43,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:35:43,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:35:43,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:35:43,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 20:35:43,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:35:43,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 20:35:43,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 20:35:43,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 20:35:43,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:35:43,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-22 20:35:43,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:35:43,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:35:43,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:35:43,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:35:43,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:35:43,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:35:43,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:35:43,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:35:43,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 20:35:43,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:35:43,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 20:35:43,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 20:35:43,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 20:35:43,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:35:43,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-22 20:35:43,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:35:43,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-08-22 20:35:43,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-08-22 20:35:43,847 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:35:43,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:35:43,848 INFO L82 PathProgramCache]: Analyzing trace with hash -111124949, now seen corresponding path program 15 times [2021-08-22 20:35:43,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:35:43,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010101803] [2021-08-22 20:35:43,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:35:43,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:35:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:35:45,423 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 36 proven. 243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:35:45,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:35:45,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010101803] [2021-08-22 20:35:45,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010101803] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:35:45,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862432813] [2021-08-22 20:35:45,423 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 20:35:45,423 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:35:45,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:35:45,434 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 20:35:45,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-08-22 20:35:46,376 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-08-22 20:35:46,376 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:35:46,378 WARN L261 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 117 conjunts are in the unsatisfiable core [2021-08-22 20:35:46,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:35:47,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-22 20:35:47,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2021-08-22 20:35:47,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:47,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:35:47,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2021-08-22 20:35:47,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 46 [2021-08-22 20:35:48,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2021-08-22 20:35:48,337 INFO L354 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2021-08-22 20:35:48,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 60 treesize of output 74 [2021-08-22 20:35:48,588 INFO L354 Elim1Store]: treesize reduction 200, result has 14.2 percent of original size [2021-08-22 20:35:48,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 73 treesize of output 90 [2021-08-22 20:35:48,876 INFO L354 Elim1Store]: treesize reduction 292, result has 12.0 percent of original size [2021-08-22 20:35:48,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 86 treesize of output 106 [2021-08-22 20:35:49,465 INFO L354 Elim1Store]: treesize reduction 288, result has 29.6 percent of original size [2021-08-22 20:35:49,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 36 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 133 treesize of output 211 [2021-08-22 20:35:49,598 INFO L354 Elim1Store]: treesize reduction 332, result has 12.4 percent of original size [2021-08-22 20:35:49,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 301 treesize of output 282 [2021-08-22 20:35:54,541 INFO L354 Elim1Store]: treesize reduction 396, result has 3.2 percent of original size [2021-08-22 20:35:54,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 36 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 75 treesize of output 45 [2021-08-22 20:35:54,749 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 12 proven. 267 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:35:54,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862432813] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:35:54,750 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:35:54,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 34] total 64 [2021-08-22 20:35:54,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626134766] [2021-08-22 20:35:54,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2021-08-22 20:35:54,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:35:54,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-08-22 20:35:54,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=3835, Unknown=0, NotChecked=0, Total=4160 [2021-08-22 20:35:54,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:35:54,752 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:35:54,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 2.3230769230769233) internal successors, (151), 64 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:35:54,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:35:54,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:35:54,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:35:54,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:35:54,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:35:54,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:35:54,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:35:54,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 20:35:54,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:35:54,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 20:35:54,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 20:35:54,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 20:35:54,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:35:54,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-22 20:35:54,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:35:54,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:35:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:35:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:35:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:35:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:35:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:35:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:35:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:35:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 20:35:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:35:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 20:35:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 20:35:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 20:35:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:35:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-22 20:35:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:35:58,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-22 20:35:58,926 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2021-08-22 20:35:59,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-08-22 20:35:59,108 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:35:59,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:35:59,109 INFO L82 PathProgramCache]: Analyzing trace with hash 799711087, now seen corresponding path program 16 times [2021-08-22 20:35:59,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:35:59,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405018635] [2021-08-22 20:35:59,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:35:59,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:35:59,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:35:59,312 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 64 proven. 153 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-22 20:35:59,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:35:59,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405018635] [2021-08-22 20:35:59,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405018635] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:35:59,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160051197] [2021-08-22 20:35:59,313 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-22 20:35:59,313 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:35:59,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:35:59,314 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 20:35:59,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-08-22 20:36:00,395 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-22 20:36:00,395 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:36:00,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 21 conjunts are in the unsatisfiable core [2021-08-22 20:36:00,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:36:00,618 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 81 proven. 136 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-22 20:36:00,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160051197] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:36:00,618 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:36:00,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 22 [2021-08-22 20:36:00,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154543198] [2021-08-22 20:36:00,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-08-22 20:36:00,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:36:00,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-08-22 20:36:00,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2021-08-22 20:36:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:36:00,619 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:36:00,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.130434782608696) internal successors, (72), 22 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:36:00,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:36:00,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:36:00,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:36:00,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:36:00,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:36:00,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:36:00,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:36:00,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 20:36:00,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:36:00,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 20:36:00,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 20:36:00,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 20:36:00,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:36:00,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-22 20:36:00,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:36:00,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-22 20:36:00,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:36:01,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:36:01,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:36:01,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:36:01,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:36:01,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:36:01,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:36:01,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:36:01,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 20:36:01,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:36:01,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 20:36:01,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 20:36:01,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 20:36:01,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:36:01,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-22 20:36:01,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:36:01,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-22 20:36:01,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:36:01,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-08-22 20:36:01,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-08-22 20:36:01,371 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:36:01,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:36:01,371 INFO L82 PathProgramCache]: Analyzing trace with hash -731799413, now seen corresponding path program 17 times [2021-08-22 20:36:01,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:36:01,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890002946] [2021-08-22 20:36:01,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:36:01,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:36:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:36:03,261 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 49 proven. 296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:36:03,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:36:03,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890002946] [2021-08-22 20:36:03,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890002946] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:36:03,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583223124] [2021-08-22 20:36:03,262 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-22 20:36:03,262 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:36:03,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:36:03,262 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 20:36:03,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-08-22 20:36:04,370 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-08-22 20:36:04,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:36:04,373 WARN L261 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 122 conjunts are in the unsatisfiable core [2021-08-22 20:36:04,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:36:05,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-22 20:36:05,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:05,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-08-22 20:36:05,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:05,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:05,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:05,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-08-22 20:36:05,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:05,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:05,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:05,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:05,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:05,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:05,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-08-22 20:36:06,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2021-08-22 20:36:06,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 90 [2021-08-22 20:36:06,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 106 [2021-08-22 20:36:06,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 122 [2021-08-22 20:36:06,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:06,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 138 [2021-08-22 20:36:07,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 104 [2021-08-22 20:36:07,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:07,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 101 [2021-08-22 20:36:08,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 29 [2021-08-22 20:36:09,008 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:36:09,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583223124] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:36:09,008 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:36:09,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 36] total 69 [2021-08-22 20:36:09,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719550885] [2021-08-22 20:36:09,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2021-08-22 20:36:09,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:36:09,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-08-22 20:36:09,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=4549, Unknown=0, NotChecked=0, Total=4830 [2021-08-22 20:36:09,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:36:09,010 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:36:09,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 2.357142857142857) internal successors, (165), 69 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:36:09,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:36:09,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:36:09,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:36:09,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:36:09,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:36:09,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:36:09,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:36:09,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 20:36:09,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:36:09,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 20:36:09,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 20:36:09,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 20:36:09,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:36:09,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-22 20:36:09,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:36:09,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-22 20:36:09,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:36:09,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:36:13,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:36:13,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:36:13,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:36:13,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:36:13,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:36:13,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:36:13,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:36:13,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 20:36:13,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:36:13,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 20:36:13,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 20:36:13,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 20:36:13,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:36:13,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-22 20:36:13,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:36:13,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-22 20:36:13,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:36:13,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-08-22 20:36:13,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-08-22 20:36:13,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-08-22 20:36:13,790 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:36:13,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:36:13,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1124685113, now seen corresponding path program 18 times [2021-08-22 20:36:13,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:36:13,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268087700] [2021-08-22 20:36:13,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:36:13,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:36:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:36:13,998 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 81 proven. 185 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-08-22 20:36:13,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:36:13,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268087700] [2021-08-22 20:36:13,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268087700] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:36:13,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46845159] [2021-08-22 20:36:13,998 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-22 20:36:13,999 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:36:13,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:36:13,999 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 20:36:14,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-08-22 20:36:15,337 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2021-08-22 20:36:15,337 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:36:15,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 24 conjunts are in the unsatisfiable core [2021-08-22 20:36:15,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:36:15,775 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 100 proven. 166 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-08-22 20:36:15,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46845159] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:36:15,775 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:36:15,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-08-22 20:36:15,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581737711] [2021-08-22 20:36:15,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-08-22 20:36:15,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:36:15,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-08-22 20:36:15,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=968, Unknown=0, NotChecked=0, Total=1190 [2021-08-22 20:36:15,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:36:15,777 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:36:15,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.914285714285714) internal successors, (102), 34 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:36:15,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:36:15,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:36:15,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:36:15,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:36:15,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:36:15,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:36:15,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:36:15,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 20:36:15,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:36:15,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 20:36:15,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 20:36:15,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 20:36:15,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:36:15,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-22 20:36:15,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:36:15,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-22 20:36:15,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:36:15,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-08-22 20:36:15,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:36:17,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:36:17,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:36:17,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:36:17,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:36:17,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:36:17,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:36:17,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:36:17,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 20:36:17,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:36:17,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 20:36:17,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 20:36:17,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 20:36:17,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:36:17,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-22 20:36:17,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:36:17,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-22 20:36:17,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:36:17,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-08-22 20:36:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-08-22 20:36:17,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-08-22 20:36:17,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:36:17,627 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:36:17,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:36:17,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1195526605, now seen corresponding path program 19 times [2021-08-22 20:36:17,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:36:17,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684376567] [2021-08-22 20:36:17,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:36:17,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:36:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:36:19,734 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 64 proven. 354 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:36:19,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:36:19,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684376567] [2021-08-22 20:36:19,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684376567] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:36:19,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909685930] [2021-08-22 20:36:19,734 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-22 20:36:19,735 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:36:19,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:36:19,735 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 20:36:19,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-08-22 20:36:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:36:21,106 WARN L261 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 133 conjunts are in the unsatisfiable core [2021-08-22 20:36:21,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:36:22,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-22 20:36:22,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2021-08-22 20:36:22,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:22,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:22,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2021-08-22 20:36:22,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:22,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:22,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:22,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:22,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:22,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2021-08-22 20:36:22,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:22,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:22,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:22,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:22,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:22,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:22,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:22,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:22,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:22,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 70 [2021-08-22 20:36:23,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 70 [2021-08-22 20:36:23,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:23,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:23,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:23,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:23,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:23,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:23,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 86 [2021-08-22 20:36:23,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:23,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:23,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:23,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:23,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:23,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:23,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:23,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:23,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:23,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:23,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:23,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:23,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:23,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 102 [2021-08-22 20:36:23,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 106 [2021-08-22 20:36:23,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 118 [2021-08-22 20:36:24,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 166 [2021-08-22 20:36:24,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 92 [2021-08-22 20:36:25,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 31 [2021-08-22 20:36:25,398 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 0 proven. 418 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:36:25,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909685930] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:36:25,398 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:36:25,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 37] total 73 [2021-08-22 20:36:25,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066512664] [2021-08-22 20:36:25,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2021-08-22 20:36:25,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:36:25,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2021-08-22 20:36:25,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=440, Invalid=4962, Unknown=0, NotChecked=0, Total=5402 [2021-08-22 20:36:25,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:36:25,400 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:36:25,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 2.418918918918919) internal successors, (179), 73 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:36:25,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:36:25,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:36:25,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:36:25,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:36:25,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:36:25,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:36:25,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:36:25,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 20:36:25,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:36:25,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 20:36:25,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 20:36:25,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 20:36:25,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:36:25,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-22 20:36:25,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:36:25,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-22 20:36:25,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:36:25,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-08-22 20:36:25,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-08-22 20:36:25,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:36:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:36:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:36:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:36:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:36:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:36:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:36:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:36:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 20:36:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:36:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 20:36:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 20:36:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 20:36:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:36:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-22 20:36:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:36:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-22 20:36:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:36:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-08-22 20:36:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-08-22 20:36:29,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-08-22 20:36:29,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-08-22 20:36:30,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:36:30,098 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:36:30,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:36:30,099 INFO L82 PathProgramCache]: Analyzing trace with hash -4886409, now seen corresponding path program 20 times [2021-08-22 20:36:30,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:36:30,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437448085] [2021-08-22 20:36:30,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:36:30,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:36:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:36:30,395 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 100 proven. 220 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-08-22 20:36:30,395 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:36:30,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437448085] [2021-08-22 20:36:30,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437448085] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:36:30,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092454566] [2021-08-22 20:36:30,396 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 20:36:30,396 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:36:30,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:36:30,396 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 20:36:30,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-08-22 20:36:31,908 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 20:36:31,909 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:36:31,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 25 conjunts are in the unsatisfiable core [2021-08-22 20:36:31,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:36:32,161 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 121 proven. 199 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-08-22 20:36:32,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092454566] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:36:32,162 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:36:32,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 26 [2021-08-22 20:36:32,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521567631] [2021-08-22 20:36:32,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-08-22 20:36:32,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:36:32,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-08-22 20:36:32,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=518, Unknown=0, NotChecked=0, Total=702 [2021-08-22 20:36:32,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:36:32,163 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:36:32,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.037037037037037) internal successors, (82), 26 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:36:32,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:36:32,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:36:32,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:36:32,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:36:32,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:36:32,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:36:32,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:36:32,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 20:36:32,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:36:32,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 20:36:32,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 20:36:32,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 20:36:32,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:36:32,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-22 20:36:32,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:36:32,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-22 20:36:32,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:36:32,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-08-22 20:36:32,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-08-22 20:36:32,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-08-22 20:36:32,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:36:32,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:36:32,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:36:32,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:36:32,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 20:36:32,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:36:32,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:36:32,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:36:32,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 20:36:32,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:36:32,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 20:36:32,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 20:36:32,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 20:36:32,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:36:32,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-22 20:36:32,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 20:36:32,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-22 20:36:32,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 20:36:32,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-08-22 20:36:32,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-08-22 20:36:32,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-08-22 20:36:32,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-22 20:36:32,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2021-08-22 20:36:33,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:36:33,144 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:36:33,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:36:33,145 INFO L82 PathProgramCache]: Analyzing trace with hash -283323773, now seen corresponding path program 21 times [2021-08-22 20:36:33,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:36:33,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904776378] [2021-08-22 20:36:33,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:36:33,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:36:33,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:36:35,370 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 81 proven. 417 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:36:35,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:36:35,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904776378] [2021-08-22 20:36:35,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904776378] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:36:35,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456065496] [2021-08-22 20:36:35,370 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 20:36:35,371 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:36:35,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:36:35,371 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 20:36:35,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-08-22 20:36:37,010 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2021-08-22 20:36:37,011 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:36:37,013 WARN L261 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 150 conjunts are in the unsatisfiable core [2021-08-22 20:36:37,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:36:38,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-22 20:36:39,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:39,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-08-22 20:36:39,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:39,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:39,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:39,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-08-22 20:36:39,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:39,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:39,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:39,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:39,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:39,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:39,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-08-22 20:36:39,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:39,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:39,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:39,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:39,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:39,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:39,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:39,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:39,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:39,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:39,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2021-08-22 20:36:40,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 90 [2021-08-22 20:36:40,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,384 INFO L354 Elim1Store]: treesize reduction 174, result has 19.1 percent of original size [2021-08-22 20:36:40,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 89 treesize of output 106 [2021-08-22 20:36:40,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,681 INFO L354 Elim1Store]: treesize reduction 274, result has 14.9 percent of original size [2021-08-22 20:36:40,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 102 treesize of output 122 [2021-08-22 20:36:40,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:40,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,132 INFO L354 Elim1Store]: treesize reduction 386, result has 12.5 percent of original size [2021-08-22 20:36:41,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 115 treesize of output 138 [2021-08-22 20:36:41,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,634 INFO L354 Elim1Store]: treesize reduction 510, result has 10.8 percent of original size [2021-08-22 20:36:41,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 30 case distinctions, treesize of input 128 treesize of output 154 [2021-08-22 20:36:41,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:41,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,104 INFO L354 Elim1Store]: treesize reduction 646, result has 9.7 percent of original size [2021-08-22 20:36:42,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 40 case distinctions, treesize of input 141 treesize of output 170 [2021-08-22 20:36:42,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:42,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,705 INFO L354 Elim1Store]: treesize reduction 828, result has 41.6 percent of original size [2021-08-22 20:36:46,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 30 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 123 case distinctions, treesize of input 222 treesize of output 722 [2021-08-22 20:36:46,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:36:46,927 INFO L354 Elim1Store]: treesize reduction 500, result has 7.6 percent of original size [2021-08-22 20:36:46,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 30 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 36 case distinctions, treesize of input 1583 treesize of output 1209 Received shutdown request... [2021-08-22 20:48:25,168 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-22 20:48:25,177 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-22 20:48:25,181 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-22 20:48:25,181 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-22 20:48:25,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2021-08-22 20:48:25,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:48:25,381 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while ExplicitLhsPolynomialRelations was build 366 of 4096 xjuncts. [2021-08-22 20:48:25,397 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 20:48:25,397 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 20:48:25,397 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 20:48:25,405 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 20:48:25,405 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 20:48:25,408 INFO L202 PluginConnector]: Adding new model simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 08:48:25 BasicIcfg [2021-08-22 20:48:25,408 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 20:48:25,409 INFO L168 Benchmark]: Toolchain (without parser) took 872341.89 ms. Allocated memory was 247.5 MB in the beginning and 1.1 GB in the end (delta: 820.0 MB). Free memory was 227.5 MB in the beginning and 948.1 MB in the end (delta: -720.6 MB). Peak memory consumption was 755.6 MB. Max. memory is 8.0 GB. [2021-08-22 20:48:25,409 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 247.5 MB. Free memory is still 228.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 20:48:25,409 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.55 ms. Allocated memory is still 247.5 MB. Free memory was 227.5 MB in the beginning and 226.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 20:48:25,409 INFO L168 Benchmark]: Boogie Preprocessor took 18.23 ms. Allocated memory is still 247.5 MB. Free memory was 225.9 MB in the beginning and 225.0 MB in the end (delta: 886.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 20:48:25,409 INFO L168 Benchmark]: RCFGBuilder took 269.37 ms. Allocated memory is still 247.5 MB. Free memory was 225.0 MB in the beginning and 211.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-08-22 20:48:25,409 INFO L168 Benchmark]: TraceAbstraction took 872029.10 ms. Allocated memory was 247.5 MB in the beginning and 1.1 GB in the end (delta: 820.0 MB). Free memory was 211.1 MB in the beginning and 948.1 MB in the end (delta: -737.0 MB). Peak memory consumption was 738.8 MB. Max. memory is 8.0 GB. [2021-08-22 20:48:25,410 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 0.10 ms. Allocated memory is still 247.5 MB. Free memory is still 228.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 21.55 ms. Allocated memory is still 247.5 MB. Free memory was 227.5 MB in the beginning and 226.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 18.23 ms. Allocated memory is still 247.5 MB. Free memory was 225.9 MB in the beginning and 225.0 MB in the end (delta: 886.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 269.37 ms. Allocated memory is still 247.5 MB. Free memory was 225.0 MB in the beginning and 211.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 872029.10 ms. Allocated memory was 247.5 MB in the beginning and 1.1 GB in the end (delta: 820.0 MB). Free memory was 211.1 MB in the beginning and 948.1 MB in the end (delta: -737.0 MB). Peak memory consumption was 738.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7958, positive: 5955, positive conditional: 5623, positive unconditional: 332, negative: 2003, negative conditional: 1999, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6176, positive: 5955, positive conditional: 5623, positive unconditional: 332, negative: 221, negative conditional: 217, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6176, positive: 5955, positive conditional: 5623, positive unconditional: 332, negative: 221, negative conditional: 217, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8884, positive: 5955, positive conditional: 5477, positive unconditional: 478, negative: 2929, negative conditional: 2708, negative unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8884, positive: 5955, positive conditional: 5359, positive unconditional: 596, negative: 2929, negative conditional: 2708, negative unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8884, positive: 5955, positive conditional: 5359, positive unconditional: 596, negative: 2929, negative conditional: 2708, negative unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 486, positive: 311, positive conditional: 16, positive unconditional: 295, negative: 175, negative conditional: 170, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 486, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 191, negative conditional: 0, negative unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 191, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 175, negative conditional: 170, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 358, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 336, negative conditional: 281, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8884, positive: 5644, positive conditional: 5343, positive unconditional: 301, negative: 2754, negative conditional: 2538, negative unconditional: 216, unknown: 486, unknown conditional: 186, unknown unconditional: 300] , Statistics on independence cache: Total cache size (in pairs): 486, Positive cache size: 311, Positive conditional cache size: 16, Positive unconditional cache size: 295, Negative cache size: 175, Negative conditional cache size: 170, Negative unconditional cache size: 5, Eliminated conditions: 118, Maximal queried relation: 18, Independence queries for same thread: 1782 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 100, Number of persistent set computation: 24, Number of trivial persistent sets: 9, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 336, positive: 332, positive conditional: 0, positive unconditional: 332, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7958, positive: 5955, positive conditional: 5623, positive unconditional: 332, negative: 2003, negative conditional: 1999, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6176, positive: 5955, positive conditional: 5623, positive unconditional: 332, negative: 221, negative conditional: 217, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6176, positive: 5955, positive conditional: 5623, positive unconditional: 332, negative: 221, negative conditional: 217, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8884, positive: 5955, positive conditional: 5477, positive unconditional: 478, negative: 2929, negative conditional: 2708, negative unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8884, positive: 5955, positive conditional: 5359, positive unconditional: 596, negative: 2929, negative conditional: 2708, negative unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8884, positive: 5955, positive conditional: 5359, positive unconditional: 596, negative: 2929, negative conditional: 2708, negative unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 486, positive: 311, positive conditional: 16, positive unconditional: 295, negative: 175, negative conditional: 170, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 486, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 191, negative conditional: 0, negative unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 191, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 175, negative conditional: 170, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 358, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 336, negative conditional: 281, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8884, positive: 5644, positive conditional: 5343, positive unconditional: 301, negative: 2754, negative conditional: 2538, negative unconditional: 216, unknown: 486, unknown conditional: 186, unknown unconditional: 300] , Statistics on independence cache: Total cache size (in pairs): 486, Positive cache size: 311, Positive conditional cache size: 16, Positive unconditional cache size: 295, Negative cache size: 175, Negative conditional cache size: 170, Negative unconditional cache size: 5, Eliminated conditions: 118, Maximal queried relation: 18, Independence queries for same thread: 1782 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while ExplicitLhsPolynomialRelations was build 366 of 4096 xjuncts. - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while ExplicitLhsPolynomialRelations was build 366 of 4096 xjuncts. - TimeoutResultAtElement [Line: 62]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while ExplicitLhsPolynomialRelations was build 366 of 4096 xjuncts. - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while ExplicitLhsPolynomialRelations was build 366 of 4096 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 871968.5ms, OverallIterations: 22, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.1ms, PartialOrderReductionTime: 29848.2ms, 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: 140.0ms SsaConstructionTime, 895.0ms SatisfiabilityAnalysisTime, 112605.8ms InterpolantComputationTime, 2495 NumberOfCodeBlocks, 2495 NumberOfCodeBlocksAsserted, 108 NumberOfCheckSat, 2454 ConstructedInterpolants, 61 QuantifiedInterpolants, 74445 SizeOfPredicates, 82 NumberOfNonLiveVariables, 3180 ConjunctsInSsa, 916 ConjunctsInUnsatCore, 41 InterpolantComputations, 1 PerfectInterpolantSequences, 2467/7368 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown