/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/nonblocking-counter-alt2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-08 07:43:48,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-08 07:43:48,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-08 07:43:48,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-08 07:43:48,438 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf [2021-08-08 07:43:48,455 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-08 07:43:48,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-08 07:43:48,456 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-08 07:43:48,456 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-08 07:43:48,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-08 07:43:48,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-08 07:43:48,457 INFO L138 SettingsManager]: * Use SBE=true [2021-08-08 07:43:48,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-08 07:43:48,457 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-08 07:43:48,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-08 07:43:48,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-08 07:43:48,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-08 07:43:48,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-08 07:43:48,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-08 07:43:48,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-08 07:43:48,458 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-08 07:43:48,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-08 07:43:48,458 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-08 07:43:48,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-08 07:43:48,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-08 07:43:48,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-08 07:43:48,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-08 07:43:48,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-08 07:43:48,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-08 07:43:48,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-08 07:43:48,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-08 07:43:48,459 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-08 07:43:48,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-08 07:43:48,460 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-08 07:43:48,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-08 07:43:48,460 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-08 07:43:48,460 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-08 07:43:48,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-08 07:43:48,460 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-08 07:43:48,460 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-08 07:43:48,461 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-08 07:43:48,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-08 07:43:48,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-08 07:43:48,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-08 07:43:48,701 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-08 07:43:48,703 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-08 07:43:48,704 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/nonblocking-counter-alt2.wvr.bpl [2021-08-08 07:43:48,704 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/nonblocking-counter-alt2.wvr.bpl' [2021-08-08 07:43:48,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-08 07:43:48,729 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-08 07:43:48,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-08 07:43:48,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-08 07:43:48,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-08 07:43:48,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 07:43:48" (1/1) ... [2021-08-08 07:43:48,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 07:43:48" (1/1) ... [2021-08-08 07:43:48,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-08 07:43:48,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-08 07:43:48,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-08 07:43:48,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-08 07:43:48,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 07:43:48" (1/1) ... [2021-08-08 07:43:48,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 07:43:48" (1/1) ... [2021-08-08 07:43:48,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 07:43:48" (1/1) ... [2021-08-08 07:43:48,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 07:43:48" (1/1) ... [2021-08-08 07:43:48,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 07:43:48" (1/1) ... [2021-08-08 07:43:48,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 07:43:48" (1/1) ... [2021-08-08 07:43:48,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 07:43:48" (1/1) ... [2021-08-08 07:43:48,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-08 07:43:48,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-08 07:43:48,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-08 07:43:48,766 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-08 07:43:48,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 07:43:48" (1/1) ... [2021-08-08 07:43:48,773 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-08 07:43:48,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:43:48,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-08 07:43:48,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-08 07:43:48,820 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-08 07:43:48,820 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-08 07:43:48,820 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-08 07:43:48,820 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-08 07:43:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-08 07:43:48,821 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-08 07:43:48,821 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-08 07:43:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-08 07:43:48,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-08 07:43:48,821 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-08 07:43:49,007 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-08 07:43:49,007 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-08 07:43:49,009 INFO L202 PluginConnector]: Adding new model nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 07:43:49 BoogieIcfgContainer [2021-08-08 07:43:49,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-08 07:43:49,010 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-08 07:43:49,010 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-08 07:43:49,012 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-08 07:43:49,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 07:43:48" (1/2) ... [2021-08-08 07:43:49,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6bf44d and model type nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 07:43:49, skipping insertion in model container [2021-08-08 07:43:49,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 07:43:49" (2/2) ... [2021-08-08 07:43:49,014 INFO L111 eAbstractionObserver]: Analyzing ICFG nonblocking-counter-alt2.wvr.bpl [2021-08-08 07:43:49,017 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-08 07:43:49,017 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-08 07:43:49,017 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-08 07:43:49,017 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-08 07:43:49,064 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-08-08 07:43:49,109 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-08 07:43:49,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:43:49,111 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-08 07:43:49,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-08 07:43:49,151 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-08 07:43:49,156 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-08 07:43:49,157 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-08 07:43:49,220 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-08 07:43:49,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:43:49,224 INFO L82 PathProgramCache]: Analyzing trace with hash -816646683, now seen corresponding path program 1 times [2021-08-08 07:43:49,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:43:49,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161078475] [2021-08-08 07:43:49,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:43:49,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:43:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:43:49,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:43:49,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:43:49,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161078475] [2021-08-08 07:43:49,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161078475] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-08 07:43:49,373 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-08 07:43:49,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-08 07:43:49,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103190522] [2021-08-08 07:43:49,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-08 07:43:49,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:43:49,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-08 07:43:49,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-08 07:43:49,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:43:49,389 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:43:49,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 07:43:49,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:43:49,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:49,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-08 07:43:49,427 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-08 07:43:49,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:43:49,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1654112025, now seen corresponding path program 1 times [2021-08-08 07:43:49,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:43:49,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655380464] [2021-08-08 07:43:49,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:43:49,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:43:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:43:49,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-08 07:43:49,502 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:43:49,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655380464] [2021-08-08 07:43:49,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655380464] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-08 07:43:49,502 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-08 07:43:49,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-08 07:43:49,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817142623] [2021-08-08 07:43:49,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-08 07:43:49,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:43:49,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-08 07:43:49,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-08 07:43:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:43:49,504 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:43:49,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 07:43:49,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:49,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:43:49,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:49,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:49,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-08 07:43:49,585 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-08 07:43:49,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:43:49,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1173112019, now seen corresponding path program 1 times [2021-08-08 07:43:49,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:43:49,585 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765284329] [2021-08-08 07:43:49,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:43:49,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:43:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:43:49,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-08 07:43:49,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:43:49,673 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765284329] [2021-08-08 07:43:49,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765284329] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:43:49,673 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279840427] [2021-08-08 07:43:49,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:43:49,674 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:43:49,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:43:49,705 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 07:43:49,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-08 07:43:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:43:49,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-08 07:43:49,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:43:49,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-08 07:43:49,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279840427] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:43:49,999 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:43:49,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-08-08 07:43:49,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619327359] [2021-08-08 07:43:50,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-08 07:43:50,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:43:50,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-08 07:43:50,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-08 07:43:50,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:43:50,002 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:43:50,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 07:43:50,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:50,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:50,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:43:50,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:43:50,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-08 07:43:50,308 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,SelfDestructingSolverStorable2 [2021-08-08 07:43:50,309 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-08 07:43:50,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:43:50,309 INFO L82 PathProgramCache]: Analyzing trace with hash 647221501, now seen corresponding path program 2 times [2021-08-08 07:43:50,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:43:50,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026650005] [2021-08-08 07:43:50,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:43:50,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:43:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:43:50,403 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-08 07:43:50,404 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:43:50,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026650005] [2021-08-08 07:43:50,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026650005] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:43:50,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843740596] [2021-08-08 07:43:50,405 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-08 07:43:50,405 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:43:50,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:43:50,406 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 07:43:50,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-08 07:43:50,450 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-08 07:43:50,455 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:43:50,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-08 07:43:50,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:43:50,743 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-08 07:43:50,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843740596] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:43:50,743 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:43:50,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-08-08 07:43:50,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734960208] [2021-08-08 07:43:50,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-08 07:43:50,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:43:50,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-08 07:43:50,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-08 07:43:50,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:43:50,744 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:43:50,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 07:43:50,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:50,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:50,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:43:50,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:43:50,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:50,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:50,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:43:50,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:43:50,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-08 07:43:51,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:43:51,009 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-08 07:43:51,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:43:51,010 INFO L82 PathProgramCache]: Analyzing trace with hash -834481427, now seen corresponding path program 3 times [2021-08-08 07:43:51,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:43:51,010 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735640102] [2021-08-08 07:43:51,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:43:51,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:43:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:43:51,134 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-08 07:43:51,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:43:51,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735640102] [2021-08-08 07:43:51,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735640102] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:43:51,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576875561] [2021-08-08 07:43:51,135 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-08 07:43:51,135 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:43:51,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:43:51,136 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 07:43:51,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-08 07:43:51,189 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-08 07:43:51,190 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:43:51,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-08 07:43:51,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:43:51,523 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:43:51,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1576875561] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:43:51,523 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:43:51,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2021-08-08 07:43:51,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279553500] [2021-08-08 07:43:51,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-08-08 07:43:51,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:43:51,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-08-08 07:43:51,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2021-08-08 07:43:51,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:43:51,525 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:43:51,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.375) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 07:43:51,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:51,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:51,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:43:51,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:43:51,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:43:51,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:51,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:51,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:43:51,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:43:51,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:43:51,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-08 07:43:51,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:43:51,975 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-08 07:43:51,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:43:51,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1493679121, now seen corresponding path program 4 times [2021-08-08 07:43:51,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:43:51,975 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160415684] [2021-08-08 07:43:51,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:43:51,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:43:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:43:52,108 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-08 07:43:52,108 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:43:52,108 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160415684] [2021-08-08 07:43:52,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160415684] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:43:52,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474055265] [2021-08-08 07:43:52,109 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-08 07:43:52,109 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:43:52,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:43:52,110 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 07:43:52,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-08 07:43:52,186 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-08 07:43:52,186 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:43:52,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-08 07:43:52,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:43:52,325 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-08 07:43:52,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [474055265] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:43:52,325 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:43:52,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2021-08-08 07:43:52,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891493739] [2021-08-08 07:43:52,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-08-08 07:43:52,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:43:52,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-08 07:43:52,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-08-08 07:43:52,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:43:52,328 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:43:52,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 07:43:52,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:52,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:52,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:43:52,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:43:52,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:43:52,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:43:52,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:52,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:52,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:43:52,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:43:52,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:43:52,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-08 07:43:52,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-08 07:43:52,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:43:52,753 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-08 07:43:52,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:43:52,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1819881791, now seen corresponding path program 5 times [2021-08-08 07:43:52,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:43:52,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513504922] [2021-08-08 07:43:52,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:43:52,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:43:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:43:52,969 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-08 07:43:52,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:43:52,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513504922] [2021-08-08 07:43:52,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513504922] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:43:52,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968129219] [2021-08-08 07:43:52,969 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-08 07:43:52,969 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:43:52,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:43:52,970 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 07:43:52,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-08 07:43:53,054 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-08-08 07:43:53,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:43:53,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 18 conjunts are in the unsatisfiable core [2021-08-08 07:43:53,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:43:53,546 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-08 07:43:53,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968129219] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:43:53,546 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:43:53,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8] total 19 [2021-08-08 07:43:53,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794583990] [2021-08-08 07:43:53,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-08 07:43:53,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:43:53,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-08 07:43:53,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2021-08-08 07:43:53,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:43:53,548 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:43:53,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 19 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 07:43:53,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:53,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:53,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:43:53,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:43:53,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:43:53,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-08 07:43:53,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:43:54,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:54,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:54,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:43:54,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:43:54,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:43:54,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:43:54,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-08 07:43:54,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-08 07:43:54,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:43:54,448 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-08 07:43:54,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:43:54,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1334559041, now seen corresponding path program 6 times [2021-08-08 07:43:54,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:43:54,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635575844] [2021-08-08 07:43:54,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:43:54,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:43:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:43:54,731 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-08-08 07:43:54,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:43:54,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635575844] [2021-08-08 07:43:54,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635575844] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:43:54,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982847878] [2021-08-08 07:43:54,732 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-08 07:43:54,732 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:43:54,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:43:54,733 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 07:43:54,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-08 07:43:54,846 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-08-08 07:43:54,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:43:54,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 26 conjunts are in the unsatisfiable core [2021-08-08 07:43:54,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:43:55,533 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-08 07:43:55,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1982847878] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:43:55,533 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:43:55,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 24 [2021-08-08 07:43:55,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228374687] [2021-08-08 07:43:55,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-08-08 07:43:55,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:43:55,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-08-08 07:43:55,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2021-08-08 07:43:55,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:43:55,535 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:43:55,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.3333333333333335) internal successors, (56), 24 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 07:43:55,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:55,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:55,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:43:55,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:43:55,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:43:55,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:43:55,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-08 07:43:55,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:43:56,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:56,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:56,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:43:56,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:43:56,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:43:56,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:43:56,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-08 07:43:56,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-08 07:43:57,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-08 07:43:57,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:43:57,212 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-08 07:43:57,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:43:57,212 INFO L82 PathProgramCache]: Analyzing trace with hash 574630977, now seen corresponding path program 7 times [2021-08-08 07:43:57,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:43:57,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601306844] [2021-08-08 07:43:57,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:43:57,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:43:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:43:58,055 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-08 07:43:58,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:43:58,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601306844] [2021-08-08 07:43:58,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601306844] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:43:58,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284481798] [2021-08-08 07:43:58,056 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-08 07:43:58,056 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:43:58,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:43:58,056 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 07:43:58,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-08 07:43:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:43:58,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 36 conjunts are in the unsatisfiable core [2021-08-08 07:43:58,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:43:59,268 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-08 07:43:59,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284481798] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:43:59,268 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:43:59,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 16] total 36 [2021-08-08 07:43:59,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259160552] [2021-08-08 07:43:59,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-08-08 07:43:59,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:43:59,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-08-08 07:43:59,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1154, Unknown=0, NotChecked=0, Total=1260 [2021-08-08 07:43:59,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:43:59,270 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:43:59,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 2.25) internal successors, (81), 36 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 07:43:59,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:59,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:43:59,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:43:59,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:43:59,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:43:59,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:43:59,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-08 07:43:59,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-08 07:43:59,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:44:02,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:44:02,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:44:02,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:44:02,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:44:02,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:44:02,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:44:02,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-08 07:44:02,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-08 07:44:02,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-08 07:44:02,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-08 07:44:02,502 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,SelfDestructingSolverStorable8 [2021-08-08 07:44:02,502 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-08 07:44:02,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:44:02,503 INFO L82 PathProgramCache]: Analyzing trace with hash 924914177, now seen corresponding path program 8 times [2021-08-08 07:44:02,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:44:02,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26954620] [2021-08-08 07:44:02,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:44:02,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:44:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:44:03,200 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-08 07:44:03,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:44:03,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26954620] [2021-08-08 07:44:03,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26954620] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:44:03,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911796701] [2021-08-08 07:44:03,201 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-08 07:44:03,201 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:44:03,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:44:03,202 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 07:44:03,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-08 07:44:03,404 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-08 07:44:03,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:44:03,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 40 conjunts are in the unsatisfiable core [2021-08-08 07:44:03,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:44:04,648 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-08 07:44:04,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [911796701] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:44:04,649 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:44:04,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 18] total 40 [2021-08-08 07:44:04,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5069520] [2021-08-08 07:44:04,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2021-08-08 07:44:04,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:44:04,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-08-08 07:44:04,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=1432, Unknown=0, NotChecked=0, Total=1560 [2021-08-08 07:44:04,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:44:04,650 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:44:04,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 2.2) internal successors, (88), 40 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 07:44:04,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:44:04,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:44:04,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:44:04,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:44:04,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:44:04,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:44:04,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-08 07:44:04,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-08 07:44:04,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-08 07:44:04,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:44:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:44:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:44:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:44:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:44:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:44:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:44:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-08 07:44:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-08 07:44:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-08 07:44:08,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-08-08 07:44:08,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-08 07:44:08,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-08 07:44:08,871 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-08 07:44:08,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:44:08,872 INFO L82 PathProgramCache]: Analyzing trace with hash 607606019, now seen corresponding path program 9 times [2021-08-08 07:44:08,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:44:08,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311438569] [2021-08-08 07:44:08,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:44:08,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:44:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:44:09,492 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 237 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-08-08 07:44:09,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:44:09,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311438569] [2021-08-08 07:44:09,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311438569] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:44:09,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137184251] [2021-08-08 07:44:09,492 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-08 07:44:09,493 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:44:09,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:44:09,493 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 07:44:09,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-08 07:44:09,774 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2021-08-08 07:44:09,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:44:09,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 50 conjunts are in the unsatisfiable core [2021-08-08 07:44:09,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:44:11,370 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 246 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-08 07:44:11,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137184251] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:44:11,371 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:44:11,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 43 [2021-08-08 07:44:11,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242034560] [2021-08-08 07:44:11,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-08-08 07:44:11,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:44:11,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-08-08 07:44:11,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=1681, Unknown=0, NotChecked=0, Total=1806 [2021-08-08 07:44:11,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:44:11,372 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:44:11,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 2.2790697674418605) internal successors, (98), 43 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 07:44:11,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:44:11,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:44:11,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:44:11,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:44:11,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:44:11,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:44:11,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-08 07:44:11,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-08 07:44:11,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-08 07:44:11,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-08-08 07:44:11,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:44:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:44:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:44:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:44:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:44:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:44:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:44:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-08 07:44:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-08 07:44:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-08 07:44:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-08-08 07:44:15,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-08 07:44:15,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-08 07:44:15,844 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,SelfDestructingSolverStorable10 [2021-08-08 07:44:15,845 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-08 07:44:15,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:44:15,845 INFO L82 PathProgramCache]: Analyzing trace with hash -236064247, now seen corresponding path program 10 times [2021-08-08 07:44:15,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:44:15,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620954513] [2021-08-08 07:44:15,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:44:15,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:44:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:44:17,306 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 4 proven. 440 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-08 07:44:17,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:44:17,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620954513] [2021-08-08 07:44:17,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620954513] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:44:17,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94811343] [2021-08-08 07:44:17,307 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-08 07:44:17,307 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:44:17,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:44:17,309 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 07:44:17,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-08 07:44:17,668 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-08 07:44:17,669 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:44:17,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 64 conjunts are in the unsatisfiable core [2021-08-08 07:44:17,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:44:19,843 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 432 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-08-08 07:44:19,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94811343] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:44:19,843 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:44:19,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 26] total 61 [2021-08-08 07:44:19,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398447548] [2021-08-08 07:44:19,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2021-08-08 07:44:19,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:44:19,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-08-08 07:44:19,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=3463, Unknown=0, NotChecked=0, Total=3660 [2021-08-08 07:44:19,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:44:19,846 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:44:19,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 2.1475409836065573) internal successors, (131), 61 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 07:44:19,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:44:19,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:44:19,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:44:19,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:44:19,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:44:19,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:44:19,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-08 07:44:19,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-08 07:44:19,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-08 07:44:19,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-08-08 07:44:19,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-08 07:44:19,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:44:33,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:44:33,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:44:33,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:44:33,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:44:33,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:44:33,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:44:33,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-08 07:44:33,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-08 07:44:33,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-08 07:44:33,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-08-08 07:44:33,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-08 07:44:33,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-08-08 07:44:33,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-08-08 07:44:33,356 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,SelfDestructingSolverStorable11 [2021-08-08 07:44:33,357 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-08 07:44:33,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:44:33,357 INFO L82 PathProgramCache]: Analyzing trace with hash -442681519, now seen corresponding path program 11 times [2021-08-08 07:44:33,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:44:33,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212376291] [2021-08-08 07:44:33,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:44:33,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:44:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:44:42,635 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-08 07:44:42,635 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:44:42,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212376291] [2021-08-08 07:44:42,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212376291] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:44:42,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32323939] [2021-08-08 07:44:42,636 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-08 07:44:42,636 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:44:42,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:44:42,636 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 07:44:42,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-08 07:44:43,214 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2021-08-08 07:44:43,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:44:43,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 84 conjunts are in the unsatisfiable core [2021-08-08 07:44:43,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:44:47,179 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 0 proven. 798 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-08-08 07:44:47,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32323939] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:44:47,179 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:44:47,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 32] total 80 [2021-08-08 07:44:47,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923390883] [2021-08-08 07:44:47,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2021-08-08 07:44:47,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:44:47,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2021-08-08 07:44:47,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=6128, Unknown=0, NotChecked=0, Total=6320 [2021-08-08 07:44:47,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:44:47,181 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:44:47,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 2.0625) internal successors, (165), 80 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 07:44:47,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:44:47,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:44:47,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:44:47,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:44:47,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:44:47,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:44:47,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-08 07:44:47,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-08 07:44:47,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-08 07:44:47,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-08-08 07:44:47,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-08 07:44:47,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-08-08 07:44:47,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:45:06,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:45:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:45:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:45:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:45:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:45:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:45:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-08 07:45:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-08 07:45:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-08 07:45:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-08-08 07:45:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-08 07:45:06,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-08-08 07:45:06,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-08 07:45:06,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-08-08 07:45:06,517 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,SelfDestructingSolverStorable12 [2021-08-08 07:45:06,517 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-08 07:45:06,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:45:06,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1853578785, now seen corresponding path program 12 times [2021-08-08 07:45:06,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:45:06,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186012781] [2021-08-08 07:45:06,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:45:06,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:45:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:45:15,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 4 proven. 1407 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-08 07:45:15,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:45:15,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186012781] [2021-08-08 07:45:15,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186012781] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:45:15,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560036543] [2021-08-08 07:45:15,820 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-08 07:45:15,820 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:45:15,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:45:15,821 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 07:45:15,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-08-08 07:45:16,615 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 23 check-sat command(s) [2021-08-08 07:45:16,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:45:16,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 106 conjunts are in the unsatisfiable core [2021-08-08 07:45:16,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:45:21,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 1368 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-08-08 07:45:21,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560036543] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:45:21,354 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:45:21,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 36] total 93 [2021-08-08 07:45:21,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52921891] [2021-08-08 07:45:21,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2021-08-08 07:45:21,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:45:21,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2021-08-08 07:45:21,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=8353, Unknown=0, NotChecked=0, Total=8556 [2021-08-08 07:45:21,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:45:21,356 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:45:21,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 2.118279569892473) internal successors, (197), 93 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 07:45:21,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:45:21,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:45:21,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:45:21,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:45:21,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:45:21,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:45:21,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-08 07:45:21,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-08 07:45:21,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-08 07:45:21,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-08-08 07:45:21,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-08 07:45:21,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-08-08 07:45:21,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-08-08 07:45:21,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:45:58,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:45:58,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:45:58,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:45:58,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:45:58,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:45:58,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:45:58,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-08 07:45:58,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-08 07:45:58,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-08 07:45:58,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-08-08 07:45:58,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-08 07:45:58,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-08-08 07:45:58,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-08 07:45:58,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-08-08 07:45:58,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-08-08 07:45:58,601 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,SelfDestructingSolverStorable13 [2021-08-08 07:45:58,601 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-08 07:45:58,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:45:58,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1024750027, now seen corresponding path program 13 times [2021-08-08 07:45:58,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:45:58,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456409781] [2021-08-08 07:45:58,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:45:58,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:46:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:46:26,644 INFO L134 CoverageAnalysis]: Checked inductivity of 3842 backedges. 12 proven. 3830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:46:26,645 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:46:26,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456409781] [2021-08-08 07:46:26,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456409781] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:46:26,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117269515] [2021-08-08 07:46:26,645 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-08 07:46:26,645 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:46:26,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:46:26,649 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 07:46:26,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-08-08 07:46:27,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:46:27,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 162 conjunts are in the unsatisfiable core [2021-08-08 07:46:27,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:46:36,891 INFO L134 CoverageAnalysis]: Checked inductivity of 3842 backedges. 0 proven. 3524 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2021-08-08 07:46:36,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117269515] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:46:36,891 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:46:36,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [88, 42] total 128 [2021-08-08 07:46:36,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287243578] [2021-08-08 07:46:36,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2021-08-08 07:46:36,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:46:36,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2021-08-08 07:46:36,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=337, Invalid=15919, Unknown=0, NotChecked=0, Total=16256 [2021-08-08 07:46:36,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:46:36,895 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:46:36,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 128 states have (on average 2.1015625) internal successors, (269), 128 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 07:46:36,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:46:36,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:46:36,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:46:36,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:46:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:46:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:46:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-08 07:46:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-08 07:46:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-08 07:46:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-08-08 07:46:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-08 07:46:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-08-08 07:46:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-08-08 07:46:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-08-08 07:46:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:47:02,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:47:02,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:47:02,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:47:02,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:47:02,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:47:02,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:47:02,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-08 07:47:02,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-08 07:47:02,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-08 07:47:02,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-08-08 07:47:02,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-08 07:47:02,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-08-08 07:47:02,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-08 07:47:02,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-08-08 07:47:02,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-08-08 07:47:02,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-08-08 07:47:02,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:47:02,867 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-08 07:47:02,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:47:02,867 INFO L82 PathProgramCache]: Analyzing trace with hash -598029097, now seen corresponding path program 14 times [2021-08-08 07:47:02,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:47:02,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333119377] [2021-08-08 07:47:02,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:47:02,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:47:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:47:17,293 INFO L134 CoverageAnalysis]: Checked inductivity of 4930 backedges. 338 proven. 4567 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-08-08 07:47:17,294 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:47:17,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333119377] [2021-08-08 07:47:17,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333119377] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:47:17,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582865171] [2021-08-08 07:47:17,294 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-08 07:47:17,294 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:47:17,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:47:17,295 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 07:47:17,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-08-08 07:47:18,760 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-08 07:47:18,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:47:18,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 182 conjunts are in the unsatisfiable core [2021-08-08 07:47:18,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:47:28,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4930 backedges. 0 proven. 4594 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2021-08-08 07:47:28,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582865171] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:47:28,870 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:47:28,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [90, 46] total 134 [2021-08-08 07:47:28,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389472694] [2021-08-08 07:47:28,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 134 states [2021-08-08 07:47:28,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:47:28,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2021-08-08 07:47:28,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=561, Invalid=17261, Unknown=0, NotChecked=0, Total=17822 [2021-08-08 07:47:28,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:47:28,874 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:47:28,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 134 states, 134 states have (on average 2.1492537313432836) internal successors, (288), 134 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 07:47:28,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:47:28,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:47:28,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:47:28,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:47:28,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:47:28,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:47:28,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-08 07:47:28,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-08 07:47:28,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-08 07:47:28,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-08-08 07:47:28,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-08 07:47:28,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-08-08 07:47:28,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-08-08 07:47:28,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-08-08 07:47:28,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-08-08 07:47:28,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:47:57,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:47:57,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:47:57,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:47:57,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:47:57,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:47:57,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 07:47:57,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-08 07:47:57,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-08 07:47:57,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-08 07:47:57,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-08-08 07:47:57,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-08 07:47:57,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-08-08 07:47:57,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-08 07:47:57,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-08-08 07:47:57,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-08-08 07:47:57,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-08 07:47:57,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-08-08 07:47:58,014 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,SelfDestructingSolverStorable15 [2021-08-08 07:47:58,014 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-08 07:47:58,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:47:58,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1885274913, now seen corresponding path program 15 times [2021-08-08 07:47:58,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:47:58,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606746183] [2021-08-08 07:47:58,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:47:58,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:47:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:48:23,791 INFO L134 CoverageAnalysis]: Checked inductivity of 6250 backedges. 56 proven. 6193 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-08 07:48:23,792 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:48:23,792 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606746183] [2021-08-08 07:48:23,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606746183] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:48:23,792 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088916010] [2021-08-08 07:48:23,792 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-08 07:48:23,792 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:48:23,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:48:23,793 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 07:48:23,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-08-08 07:48:25,900 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 36 check-sat command(s) [2021-08-08 07:48:25,900 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:48:25,908 WARN L261 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 301 conjunts are in the unsatisfiable core [2021-08-08 07:48:25,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:48:55,421 INFO L134 CoverageAnalysis]: Checked inductivity of 6250 backedges. 0 proven. 5896 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2021-08-08 07:48:55,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088916010] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:48:55,421 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:48:55,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [109, 55] total 163 [2021-08-08 07:48:55,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059582264] [2021-08-08 07:48:55,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 164 states [2021-08-08 07:48:55,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:48:55,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2021-08-08 07:48:55,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=674, Invalid=26058, Unknown=0, NotChecked=0, Total=26732 [2021-08-08 07:48:55,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:48:55,424 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:48:55,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 164 states, 164 states have (on average 2.048780487804878) internal successors, (336), 163 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 07:48:55,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:48:55,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:48:55,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:48:55,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:48:55,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:48:55,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 07:48:55,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-08 07:48:55,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-08 07:48:55,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-08 07:48:55,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-08-08 07:48:55,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-08 07:48:55,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2021-08-08 07:48:55,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-08-08 07:48:55,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-08-08 07:48:55,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-08-08 07:48:55,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-08-08 07:48:55,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:49:54,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:49:54,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:49:54,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:49:54,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:49:54,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:49:54,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 07:49:54,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-08 07:49:54,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-08 07:49:54,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-08 07:49:54,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-08-08 07:49:54,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-08 07:49:54,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-08-08 07:49:54,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-08 07:49:54,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-08-08 07:49:54,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-08-08 07:49:54,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-08 07:49:54,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2021-08-08 07:49:54,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2021-08-08 07:49:54,311 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,SelfDestructingSolverStorable16 [2021-08-08 07:49:54,311 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-08 07:49:54,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:49:54,312 INFO L82 PathProgramCache]: Analyzing trace with hash 528939625, now seen corresponding path program 16 times [2021-08-08 07:49:54,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:49:54,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924120476] [2021-08-08 07:49:54,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:49:54,312 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:49:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:50:22,807 INFO L134 CoverageAnalysis]: Checked inductivity of 7453 backedges. 0 proven. 7452 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-08 07:50:22,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:50:22,808 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924120476] [2021-08-08 07:50:22,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924120476] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:50:22,808 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702123522] [2021-08-08 07:50:22,808 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-08 07:50:22,808 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:50:22,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:50:22,809 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 07:50:22,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-08-08 07:50:25,658 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-08 07:50:25,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:50:25,664 WARN L261 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 317 conjunts are in the unsatisfiable core [2021-08-08 07:50:25,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:50:53,596 INFO L134 CoverageAnalysis]: Checked inductivity of 7453 backedges. 0 proven. 7084 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2021-08-08 07:50:53,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702123522] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:50:53,596 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:50:53,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [118, 59] total 176 [2021-08-08 07:50:53,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470958072] [2021-08-08 07:50:53,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 177 states [2021-08-08 07:50:53,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:50:53,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 177 interpolants. [2021-08-08 07:50:53,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=468, Invalid=30684, Unknown=0, NotChecked=0, Total=31152 [2021-08-08 07:50:53,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:50:53,599 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:50:53,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 177 states, 177 states have (on average 2.056497175141243) internal successors, (364), 176 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 07:50:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:50:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:50:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:50:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:50:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:50:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 07:50:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-08 07:50:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-08 07:50:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-08 07:50:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-08-08 07:50:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-08 07:50:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2021-08-08 07:50:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-08-08 07:50:53,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-08-08 07:50:53,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-08-08 07:50:53,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-08-08 07:50:53,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2021-08-08 07:50:53,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:52:04,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:52:04,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:52:04,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:52:04,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:52:04,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:52:04,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 07:52:04,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-08 07:52:04,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-08 07:52:04,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-08 07:52:04,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-08-08 07:52:04,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-08 07:52:04,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-08-08 07:52:04,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-08 07:52:04,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-08-08 07:52:04,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-08-08 07:52:04,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-08 07:52:04,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2021-08-08 07:52:04,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2021-08-08 07:52:04,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-08-08 07:52:04,549 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,SelfDestructingSolverStorable17 [2021-08-08 07:52:04,549 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-08 07:52:04,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:52:04,550 INFO L82 PathProgramCache]: Analyzing trace with hash 386549877, now seen corresponding path program 17 times [2021-08-08 07:52:04,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:52:04,550 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702877593] [2021-08-08 07:52:04,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:52:04,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:52:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:52:31,694 INFO L134 CoverageAnalysis]: Checked inductivity of 8941 backedges. 12 proven. 8928 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-08 07:52:31,694 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:52:31,694 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702877593] [2021-08-08 07:52:31,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702877593] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:52:31,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409109180] [2021-08-08 07:52:31,695 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-08 07:52:31,695 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:52:31,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:52:31,695 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 07:52:31,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-08-08 07:52:35,712 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 43 check-sat command(s) [2021-08-08 07:52:35,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:52:35,717 WARN L261 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 357 conjunts are in the unsatisfiable core [2021-08-08 07:52:35,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:53:05,655 INFO L134 CoverageAnalysis]: Checked inductivity of 8941 backedges. 0 proven. 8554 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2021-08-08 07:53:05,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409109180] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:53:05,655 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:53:05,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [127, 63] total 189 [2021-08-08 07:53:05,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846044776] [2021-08-08 07:53:05,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2021-08-08 07:53:05,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:53:05,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2021-08-08 07:53:05,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=698, Invalid=35212, Unknown=0, NotChecked=0, Total=35910 [2021-08-08 07:53:05,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:53:05,670 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:53:05,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 190 states have (on average 2.0736842105263156) internal successors, (394), 189 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 07:53:05,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:53:05,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:53:05,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:53:05,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:53:05,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:53:05,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 07:53:05,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-08 07:53:05,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-08 07:53:05,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-08 07:53:05,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-08-08 07:53:05,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-08 07:53:05,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2021-08-08 07:53:05,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-08-08 07:53:05,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-08-08 07:53:05,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-08-08 07:53:05,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-08-08 07:53:05,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2021-08-08 07:53:05,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2021-08-08 07:53:05,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:54:23,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:54:23,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:54:23,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:54:23,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:54:23,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:54:23,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 07:54:23,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-08 07:54:23,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-08 07:54:23,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-08 07:54:23,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-08-08 07:54:23,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-08 07:54:23,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-08-08 07:54:23,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-08 07:54:23,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-08-08 07:54:23,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-08-08 07:54:23,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-08 07:54:23,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2021-08-08 07:54:23,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2021-08-08 07:54:23,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2021-08-08 07:54:23,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2021-08-08 07:54:23,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:54:23,527 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-08 07:54:23,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:54:23,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1627789441, now seen corresponding path program 18 times [2021-08-08 07:54:23,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:54:23,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815818290] [2021-08-08 07:54:23,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:54:23,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:54:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:54:55,454 INFO L134 CoverageAnalysis]: Checked inductivity of 10565 backedges. 48 proven. 10378 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2021-08-08 07:54:55,454 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:54:55,454 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815818290] [2021-08-08 07:54:55,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815818290] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:54:55,454 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817545825] [2021-08-08 07:54:55,455 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-08 07:54:55,455 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:54:55,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:54:55,457 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-08 07:54:55,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-08-08 07:55:00,718 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 48 check-sat command(s) [2021-08-08 07:55:00,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:55:00,726 WARN L261 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 394 conjunts are in the unsatisfiable core [2021-08-08 07:55:00,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:55:30,253 INFO L134 CoverageAnalysis]: Checked inductivity of 10565 backedges. 0 proven. 10160 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2021-08-08 07:55:30,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817545825] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:55:30,254 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:55:30,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [120, 67] total 186 [2021-08-08 07:55:30,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819503975] [2021-08-08 07:55:30,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 187 states [2021-08-08 07:55:30,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:55:30,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 187 interpolants. [2021-08-08 07:55:30,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=537, Invalid=34245, Unknown=0, NotChecked=0, Total=34782 [2021-08-08 07:55:30,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:55:30,256 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:55:30,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 187 states, 187 states have (on average 2.1176470588235294) internal successors, (396), 186 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 07:55:30,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:55:30,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:55:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:55:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:55:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:55:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 07:55:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-08 07:55:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-08 07:55:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-08 07:55:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-08-08 07:55:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-08 07:55:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2021-08-08 07:55:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-08-08 07:55:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-08-08 07:55:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-08-08 07:55:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-08-08 07:55:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2021-08-08 07:55:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2021-08-08 07:55:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2021-08-08 07:55:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:56:48,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:56:48,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:56:48,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:56:48,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 07:56:48,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 07:56:48,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 07:56:48,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-08 07:56:48,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-08 07:56:48,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-08 07:56:48,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-08-08 07:56:48,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-08 07:56:48,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-08-08 07:56:48,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-08 07:56:48,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-08-08 07:56:48,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-08-08 07:56:48,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-08 07:56:48,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2021-08-08 07:56:48,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2021-08-08 07:56:48,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2021-08-08 07:56:48,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-08-08 07:56:48,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-08-08 07:56:48,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:56:48,357 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-08 07:56:48,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:56:48,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1104844147, now seen corresponding path program 19 times [2021-08-08 07:56:48,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:56:48,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659256720] [2021-08-08 07:56:48,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:56:48,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:56:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-08-08 07:57:00,581 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,584 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,585 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-08 07:57:00,585 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-08 07:57:00,585 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,586 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,596 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,597 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,598 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,598 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,599 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,600 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,603 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,604 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,605 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,605 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,606 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,606 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,607 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,608 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,608 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,609 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,609 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,610 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,611 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,611 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,612 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,613 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,614 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,615 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,615 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,632 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,634 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,635 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,636 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,637 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,638 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,639 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,640 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,642 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,643 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,644 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,644 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,645 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,646 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,647 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,648 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,649 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,650 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,651 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,652 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,653 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,653 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,654 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,655 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,656 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,656 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,657 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,658 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,659 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,660 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,661 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,662 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,662 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,663 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,664 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,665 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,666 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,667 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,668 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,668 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,669 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,670 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,671 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,671 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,672 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,673 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,674 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,674 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,675 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,676 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,677 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,678 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,678 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,679 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,679 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,680 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,681 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,681 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,682 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,682 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,683 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,684 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,684 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,685 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,685 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,686 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,686 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,687 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,687 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,688 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,689 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,689 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,690 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,690 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,691 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,691 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,692 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,692 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,693 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,693 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,694 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,694 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,695 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,695 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,696 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,697 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,698 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,699 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,700 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,701 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,702 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,703 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,704 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,705 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,720 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,722 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,724 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,725 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,726 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,727 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,729 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,730 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,732 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,734 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,736 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,737 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,739 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,740 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,742 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,743 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,745 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,746 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,748 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,789 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,791 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,793 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,794 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,796 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,797 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,799 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,800 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,807 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,810 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,812 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,814 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,815 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,817 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,818 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,820 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,822 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,823 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,825 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,826 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,827 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,829 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,830 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,831 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,832 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,833 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,834 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,836 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,837 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,839 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,840 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,842 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,843 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,844 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,845 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,847 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,848 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,849 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,850 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,852 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,853 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,856 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,857 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,859 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,860 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,861 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,862 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,863 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,864 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,865 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,867 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,868 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,869 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,870 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,871 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,872 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,873 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,874 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,875 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,876 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,877 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,878 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,879 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,880 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,881 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,881 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,882 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,883 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,884 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,885 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,886 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,887 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,888 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,888 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,889 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,890 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,890 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,891 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,892 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,892 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,893 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,894 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,894 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,895 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,895 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,896 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,896 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,897 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,897 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,898 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,898 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,899 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,899 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,900 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,900 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,900 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,901 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,901 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,901 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,902 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,902 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,902 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,903 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,903 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,903 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,904 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,904 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,904 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,905 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,905 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,905 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,905 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,906 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,909 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,909 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,909 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,910 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,910 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,910 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,910 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,910 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,911 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,911 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,911 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,911 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,911 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-08 07:57:00,918 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-08 07:57:00,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-08-08 07:57:00,919 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 294 with TraceHistMax 106,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 292 interpolants. [2021-08-08 07:57:00,920 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-08 07:57:00,920 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-08 07:57:00,935 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-08 07:57:00,935 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-08 07:57:00,938 INFO L202 PluginConnector]: Adding new model nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 07:57:00 BasicIcfg [2021-08-08 07:57:00,939 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-08 07:57:00,939 INFO L168 Benchmark]: Toolchain (without parser) took 792209.74 ms. Allocated memory was 185.6 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 165.8 MB in the beginning and 824.4 MB in the end (delta: -658.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 8.0 GB. [2021-08-08 07:57:00,939 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 185.6 MB. Free memory is still 166.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-08 07:57:00,939 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.49 ms. Allocated memory is still 185.6 MB. Free memory was 165.7 MB in the beginning and 164.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-08 07:57:00,939 INFO L168 Benchmark]: Boogie Preprocessor took 13.04 ms. Allocated memory is still 185.6 MB. Free memory was 164.3 MB in the beginning and 163.3 MB in the end (delta: 938.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-08 07:57:00,939 INFO L168 Benchmark]: RCFGBuilder took 242.99 ms. Allocated memory is still 185.6 MB. Free memory was 163.2 MB in the beginning and 151.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-08-08 07:57:00,939 INFO L168 Benchmark]: TraceAbstraction took 791928.58 ms. Allocated memory was 185.6 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 151.2 MB in the beginning and 824.4 MB in the end (delta: -673.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 8.0 GB. [2021-08-08 07:57:00,940 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 185.6 MB. Free memory is still 166.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 19.49 ms. Allocated memory is still 185.6 MB. Free memory was 165.7 MB in the beginning and 164.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.04 ms. Allocated memory is still 185.6 MB. Free memory was 164.3 MB in the beginning and 163.3 MB in the end (delta: 938.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 242.99 ms. Allocated memory is still 185.6 MB. Free memory was 163.2 MB in the beginning and 151.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 791928.58 ms. Allocated memory was 185.6 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 151.2 MB in the beginning and 824.4 MB in the end (delta: -673.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 21611, positive: 15989, positive conditional: 15901, positive unconditional: 88, negative: 5622, negative conditional: 5620, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16246, positive: 15989, positive conditional: 15901, positive unconditional: 88, negative: 257, negative conditional: 255, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 16246, positive: 15989, positive conditional: 15901, positive unconditional: 88, negative: 257, negative conditional: 255, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20171, positive: 15989, positive conditional: 15895, positive unconditional: 94, negative: 4182, negative conditional: 3925, negative unconditional: 257, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20171, positive: 15989, positive conditional: 14342, positive unconditional: 1647, negative: 4182, negative conditional: 3600, negative unconditional: 582, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20171, positive: 15989, positive conditional: 14342, positive unconditional: 1647, negative: 4182, negative conditional: 3600, negative unconditional: 582, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 450, positive: 193, positive conditional: 107, positive unconditional: 86, negative: 257, negative conditional: 255, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 450, positive: 192, positive conditional: 0, positive unconditional: 192, negative: 258, negative conditional: 0, negative unconditional: 258, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 258, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 257, negative conditional: 255, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 669, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 667, negative conditional: 616, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 20171, positive: 15796, positive conditional: 14235, positive unconditional: 1561, negative: 3925, negative conditional: 3345, negative unconditional: 580, unknown: 450, unknown conditional: 362, unknown unconditional: 88] , Statistics on independence cache: Total cache size (in pairs): 450, Positive cache size: 193, Positive conditional cache size: 107, Positive unconditional cache size: 86, Negative cache size: 257, Negative conditional cache size: 255, Negative unconditional cache size: 2, Eliminated conditions: 1878, Maximal queried relation: 20, Independence queries for same thread: 5365 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 82, Number of persistent set computation: 27, Number of trivial persistent sets: 22, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 90, positive: 88, positive conditional: 0, positive unconditional: 88, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 21611, positive: 15989, positive conditional: 15901, positive unconditional: 88, negative: 5622, negative conditional: 5620, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16246, positive: 15989, positive conditional: 15901, positive unconditional: 88, negative: 257, negative conditional: 255, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 16246, positive: 15989, positive conditional: 15901, positive unconditional: 88, negative: 257, negative conditional: 255, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20171, positive: 15989, positive conditional: 15895, positive unconditional: 94, negative: 4182, negative conditional: 3925, negative unconditional: 257, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20171, positive: 15989, positive conditional: 14342, positive unconditional: 1647, negative: 4182, negative conditional: 3600, negative unconditional: 582, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20171, positive: 15989, positive conditional: 14342, positive unconditional: 1647, negative: 4182, negative conditional: 3600, negative unconditional: 582, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 450, positive: 193, positive conditional: 107, positive unconditional: 86, negative: 257, negative conditional: 255, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 450, positive: 192, positive conditional: 0, positive unconditional: 192, negative: 258, negative conditional: 0, negative unconditional: 258, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 258, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 257, negative conditional: 255, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 669, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 667, negative conditional: 616, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 20171, positive: 15796, positive conditional: 14235, positive unconditional: 1561, negative: 3925, negative conditional: 3345, negative unconditional: 580, unknown: 450, unknown conditional: 362, unknown unconditional: 88] , Statistics on independence cache: Total cache size (in pairs): 450, Positive cache size: 193, Positive conditional cache size: 107, Positive unconditional cache size: 86, Negative cache size: 257, Negative conditional cache size: 255, Negative unconditional cache size: 2, Eliminated conditions: 1878, Maximal queried relation: 20, Independence queries for same thread: 5365 - 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: 51]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 294 with TraceHistMax 106,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 292 interpolants. - TimeoutResultAtElement [Line: 46]: 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 294 with TraceHistMax 106,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 292 interpolants. - TimeoutResultAtElement [Line: 46]: 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 294 with TraceHistMax 106,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 292 interpolants. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 32 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 791819.4ms, OverallIterations: 21, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.2ms, PartialOrderReductionTime: 423359.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1441, 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: 166.4ms SsaConstructionTime, 33064.9ms SatisfiabilityAnalysisTime, 301259.0ms InterpolantComputationTime, 3872 NumberOfCodeBlocks, 3872 NumberOfCodeBlocksAsserted, 229 NumberOfCheckSat, 3834 ConstructedInterpolants, 0 QuantifiedInterpolants, 139396 SizeOfPredicates, 60 NumberOfNonLiveVariables, 4647 ConjunctsInSsa, 2170 ConjunctsInUnsatCore, 38 InterpolantComputations, 2 PerfectInterpolantSequences, 2956/90551 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