/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/array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-23 10:00:10,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-23 10:00:10,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-23 10:00:10,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-23 10:00:10,618 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 [2021-08-23 10:00:10,664 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-23 10:00:10,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-23 10:00:10,665 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-23 10:00:10,665 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-23 10:00:10,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-23 10:00:10,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-23 10:00:10,666 INFO L138 SettingsManager]: * Use SBE=true [2021-08-23 10:00:10,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-23 10:00:10,666 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-23 10:00:10,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-23 10:00:10,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-23 10:00:10,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-23 10:00:10,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-23 10:00:10,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-23 10:00:10,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-23 10:00:10,667 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-23 10:00:10,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-23 10:00:10,667 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-23 10:00:10,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-23 10:00:10,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-23 10:00:10,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-23 10:00:10,667 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-23 10:00:10,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-23 10:00:10,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 10:00:10,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-23 10:00:10,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-23 10:00:10,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-23 10:00:10,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-23 10:00:10,668 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-23 10:00:10,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-23 10:00:10,669 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-23 10:00:10,670 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-23 10:00:10,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-23 10:00:10,670 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-23 10:00:10,670 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-23 10:00:10,670 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-23 10:00:10,671 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-23 10:00:10,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-23 10:00:10,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-23 10:00:10,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-23 10:00:10,957 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-23 10:00:10,960 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-23 10:00:10,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl [2021-08-23 10:00:10,962 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl' [2021-08-23 10:00:10,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-23 10:00:10,982 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-23 10:00:10,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-23 10:00:10,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-23 10:00:10,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-23 10:00:10,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:00:10" (1/1) ... [2021-08-23 10:00:10,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:00:10" (1/1) ... [2021-08-23 10:00:11,004 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-23 10:00:11,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-23 10:00:11,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-23 10:00:11,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-23 10:00:11,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:00:10" (1/1) ... [2021-08-23 10:00:11,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:00:10" (1/1) ... [2021-08-23 10:00:11,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:00:10" (1/1) ... [2021-08-23 10:00:11,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:00:10" (1/1) ... [2021-08-23 10:00:11,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:00:10" (1/1) ... [2021-08-23 10:00:11,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:00:10" (1/1) ... [2021-08-23 10:00:11,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:00:10" (1/1) ... [2021-08-23 10:00:11,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-23 10:00:11,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-23 10:00:11,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-23 10:00:11,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-23 10:00:11,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:00:10" (1/1) ... [2021-08-23 10:00:11,039 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 10:00:11,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:00:11,056 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) [2021-08-23 10:00:11,058 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 [2021-08-23 10:00:11,082 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-23 10:00:11,082 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-23 10:00:11,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-23 10:00:11,082 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-23 10:00:11,083 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-23 10:00:11,083 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-23 10:00:11,083 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-23 10:00:11,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-23 10:00:11,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-23 10:00:11,083 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-23 10:00:11,083 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-23 10:00:11,083 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-23 10:00:11,084 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-23 10:00:11,257 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-23 10:00:11,257 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-23 10:00:11,258 INFO L202 PluginConnector]: Adding new model array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 10:00:11 BoogieIcfgContainer [2021-08-23 10:00:11,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-23 10:00:11,260 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-23 10:00:11,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-23 10:00:11,262 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-23 10:00:11,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:00:10" (1/2) ... [2021-08-23 10:00:11,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@591438a9 and model type array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 10:00:11, skipping insertion in model container [2021-08-23 10:00:11,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 10:00:11" (2/2) ... [2021-08-23 10:00:11,263 INFO L111 eAbstractionObserver]: Analyzing ICFG array-sum.wvr.bpl [2021-08-23 10:00:11,267 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-23 10:00:11,267 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-23 10:00:11,267 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-23 10:00:11,267 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-23 10:00:11,356 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-23 10:00:11,405 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 10:00:11,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:00:11,425 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) [2021-08-23 10:00:11,478 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 [2021-08-23 10:00:11,484 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-23 10:00:11,490 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 [2021-08-23 10:00:11,491 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-23 10:00:11,678 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 10:00:11,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:00:11,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1943511324, now seen corresponding path program 1 times [2021-08-23 10:00:11,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:00:11,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800063504] [2021-08-23 10:00:11,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:00:11,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:00:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:00:11,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:00:11,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 10:00:11,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800063504] [2021-08-23 10:00:11,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800063504] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 10:00:11,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 10:00:11,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-23 10:00:11,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367618016] [2021-08-23 10:00:11,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-23 10:00:11,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 10:00:11,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-23 10:00:11,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-23 10:00:11,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:00:11,860 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 10:00:11,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 10:00:11,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:00:11,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:00:11,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-23 10:00:11,915 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 10:00:11,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:00:11,918 INFO L82 PathProgramCache]: Analyzing trace with hash -567080297, now seen corresponding path program 1 times [2021-08-23 10:00:11,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:00:11,918 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8871836] [2021-08-23 10:00:11,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:00:11,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:00:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:00:12,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:00:12,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 10:00:12,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8871836] [2021-08-23 10:00:12,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8871836] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:00:12,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472921273] [2021-08-23 10:00:12,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:00:12,255 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:00:12,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:00:12,256 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) [2021-08-23 10:00:12,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-23 10:00:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:00:12,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-23 10:00:12,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 10:00:12,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-08-23 10:00:12,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:00:12,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472921273] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:00:12,820 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 10:00:12,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 11 [2021-08-23 10:00:12,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947349833] [2021-08-23 10:00:12,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-23 10:00:12,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 10:00:12,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-23 10:00:12,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-08-23 10:00:12,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:00:12,833 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 10:00:12,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 11 states have internal predecessors, (35), 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) [2021-08-23 10:00:12,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:00:12,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:00:12,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:00:13,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:00:13,017 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-08-23 10:00:13,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-08-23 10:00:13,218 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 10:00:13,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:00:13,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1808620567, now seen corresponding path program 1 times [2021-08-23 10:00:13,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:00:13,218 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102854793] [2021-08-23 10:00:13,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:00:13,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:00:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:00:13,302 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-23 10:00:13,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 10:00:13,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102854793] [2021-08-23 10:00:13,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102854793] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:00:13,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460940833] [2021-08-23 10:00:13,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:00:13,304 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:00:13,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:00:13,305 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) [2021-08-23 10:00:13,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-23 10:00:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:00:13,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-23 10:00:13,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 10:00:13,577 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-23 10:00:13,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460940833] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:00:13,578 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 10:00:13,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-08-23 10:00:13,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776517767] [2021-08-23 10:00:13,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-23 10:00:13,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 10:00:13,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-23 10:00:13,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-08-23 10:00:13,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:00:13,580 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 10:00:13,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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) [2021-08-23 10:00:13,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:00:13,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:00:13,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:00:13,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:00:13,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:00:13,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 10:00:13,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-08-23 10:00:13,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:00:13,926 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 10:00:13,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:00:13,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1438291401, now seen corresponding path program 2 times [2021-08-23 10:00:13,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:00:13,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368619001] [2021-08-23 10:00:13,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:00:13,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:00:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:00:14,578 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:00:14,578 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 10:00:14,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368619001] [2021-08-23 10:00:14,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368619001] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:00:14,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950177719] [2021-08-23 10:00:14,580 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-23 10:00:14,580 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:00:14,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:00:14,589 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) [2021-08-23 10:00:14,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-23 10:00:14,686 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-23 10:00:14,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 10:00:14,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-08-23 10:00:14,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 10:00:15,750 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-08-23 10:00:15,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 63 [2021-08-23 10:00:15,782 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-08-23 10:00:15,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 82 [2021-08-23 10:00:16,021 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:00:16,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950177719] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:00:16,021 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 10:00:16,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17] total 32 [2021-08-23 10:00:16,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299434698] [2021-08-23 10:00:16,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-08-23 10:00:16,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 10:00:16,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-08-23 10:00:16,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=807, Unknown=0, NotChecked=0, Total=992 [2021-08-23 10:00:16,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:00:16,023 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 10:00:16,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.96875) internal successors, (63), 32 states have internal predecessors, (63), 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) [2021-08-23 10:00:16,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:00:16,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:00:16,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-23 10:00:16,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:00:16,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:00:16,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:00:16,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 10:00:16,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-23 10:00:16,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-23 10:00:17,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:00:17,107 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 10:00:17,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:00:17,108 INFO L82 PathProgramCache]: Analyzing trace with hash 816475447, now seen corresponding path program 3 times [2021-08-23 10:00:17,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:00:17,108 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394119844] [2021-08-23 10:00:17,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:00:17,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:00:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:00:17,221 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 22 proven. 41 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-23 10:00:17,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 10:00:17,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394119844] [2021-08-23 10:00:17,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394119844] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:00:17,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835367057] [2021-08-23 10:00:17,222 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-23 10:00:17,222 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:00:17,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:00:17,226 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) [2021-08-23 10:00:17,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-23 10:00:17,363 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-08-23 10:00:17,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 10:00:17,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-23 10:00:17,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 10:00:17,639 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 35 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-23 10:00:17,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835367057] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:00:17,640 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 10:00:17,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-08-23 10:00:17,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167442596] [2021-08-23 10:00:17,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-23 10:00:17,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 10:00:17,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-23 10:00:17,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2021-08-23 10:00:17,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:00:17,642 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 10:00:17,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.5789473684210527) internal successors, (68), 19 states have internal predecessors, (68), 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) [2021-08-23 10:00:17,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:00:17,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:00:17,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-23 10:00:17,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-23 10:00:17,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:00:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:00:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:00:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 10:00:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-23 10:00:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-23 10:00:17,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-23 10:00:18,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:00:18,062 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 10:00:18,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:00:18,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1236031922, now seen corresponding path program 4 times [2021-08-23 10:00:18,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:00:18,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47739945] [2021-08-23 10:00:18,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:00:18,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:00:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:00:18,228 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 22 proven. 80 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-23 10:00:18,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 10:00:18,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47739945] [2021-08-23 10:00:18,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47739945] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:00:18,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1707745405] [2021-08-23 10:00:18,229 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-23 10:00:18,229 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:00:18,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:00:18,230 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) [2021-08-23 10:00:18,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-23 10:00:18,402 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-23 10:00:18,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 10:00:18,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 15 conjunts are in the unsatisfiable core [2021-08-23 10:00:18,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 10:00:18,770 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 35 proven. 67 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-23 10:00:18,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1707745405] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:00:18,771 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 10:00:18,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 22 [2021-08-23 10:00:18,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200734557] [2021-08-23 10:00:18,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-08-23 10:00:18,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 10:00:18,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-08-23 10:00:18,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2021-08-23 10:00:18,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:00:18,772 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 10:00:18,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.5) internal successors, (77), 22 states have internal predecessors, (77), 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) [2021-08-23 10:00:18,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:00:18,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:00:18,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-23 10:00:18,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-23 10:00:18,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-23 10:00:18,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:00:19,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:00:19,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:00:19,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 10:00:19,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-23 10:00:19,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-23 10:00:19,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-23 10:00:19,167 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-08-23 10:00:19,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:00:19,364 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 10:00:19,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:00:19,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1206829431, now seen corresponding path program 5 times [2021-08-23 10:00:19,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:00:19,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556421370] [2021-08-23 10:00:19,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:00:19,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:00:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:00:21,229 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 5 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:00:21,230 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 10:00:21,230 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556421370] [2021-08-23 10:00:21,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556421370] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:00:21,230 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931389411] [2021-08-23 10:00:21,230 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-23 10:00:21,230 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:00:21,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:00:21,237 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) [2021-08-23 10:00:21,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-23 10:00:21,480 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-08-23 10:00:21,480 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 10:00:21,481 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 63 conjunts are in the unsatisfiable core [2021-08-23 10:00:21,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 10:00:24,617 INFO L354 Elim1Store]: treesize reduction 48, result has 54.3 percent of original size [2021-08-23 10:00:24,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 97 treesize of output 125 [2021-08-23 10:00:24,696 INFO L354 Elim1Store]: treesize reduction 48, result has 54.3 percent of original size [2021-08-23 10:00:24,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 130 treesize of output 168 [2021-08-23 10:00:25,044 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:00:25,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931389411] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:00:25,045 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 10:00:25,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 33] total 65 [2021-08-23 10:00:25,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046229408] [2021-08-23 10:00:25,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2021-08-23 10:00:25,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 10:00:25,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-08-23 10:00:25,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=486, Invalid=3674, Unknown=0, NotChecked=0, Total=4160 [2021-08-23 10:00:25,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:00:25,048 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 10:00:25,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 1.7230769230769232) internal successors, (112), 65 states have internal predecessors, (112), 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) [2021-08-23 10:00:25,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:00:25,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:00:25,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-23 10:00:25,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-23 10:00:25,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-23 10:00:25,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-23 10:00:25,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:00:30,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:00:30,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:00:30,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 10:00:30,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-23 10:00:30,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-23 10:00:30,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-23 10:00:30,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-23 10:00:30,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-23 10:00:30,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:00:30,871 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 10:00:30,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:00:30,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1018434299, now seen corresponding path program 6 times [2021-08-23 10:00:30,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:00:30,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614319098] [2021-08-23 10:00:30,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:00:30,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:00:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:00:31,153 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 127 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:00:31,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 10:00:31,153 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614319098] [2021-08-23 10:00:31,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614319098] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:00:31,153 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327966145] [2021-08-23 10:00:31,153 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-23 10:00:31,153 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:00:31,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:00:31,154 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) [2021-08-23 10:00:31,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-23 10:00:31,478 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-08-23 10:00:31,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 10:00:31,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 20 conjunts are in the unsatisfiable core [2021-08-23 10:00:31,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 10:00:31,989 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 92 proven. 102 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-08-23 10:00:31,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327966145] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:00:31,989 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 10:00:31,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 21] total 41 [2021-08-23 10:00:31,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79642796] [2021-08-23 10:00:31,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2021-08-23 10:00:31,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 10:00:31,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-08-23 10:00:31,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=1345, Unknown=0, NotChecked=0, Total=1640 [2021-08-23 10:00:31,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:00:31,991 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 10:00:31,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 3.4146341463414633) internal successors, (140), 41 states have internal predecessors, (140), 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) [2021-08-23 10:00:31,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:00:31,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:00:31,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-23 10:00:31,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-23 10:00:31,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-23 10:00:31,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-23 10:00:31,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-23 10:00:31,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:00:33,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:00:33,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:00:33,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 10:00:33,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-23 10:00:33,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-23 10:00:33,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-23 10:00:33,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-23 10:00:33,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-08-23 10:00:33,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-23 10:00:33,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-08-23 10:00:33,570 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 10:00:33,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:00:33,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1337741179, now seen corresponding path program 7 times [2021-08-23 10:00:33,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:00:33,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879683262] [2021-08-23 10:00:33,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:00:33,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:00:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:00:34,032 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 127 proven. 390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:00:34,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 10:00:34,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879683262] [2021-08-23 10:00:34,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879683262] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:00:34,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402608476] [2021-08-23 10:00:34,032 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-23 10:00:34,033 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:00:34,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:00:34,038 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) [2021-08-23 10:00:34,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-23 10:00:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:00:34,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 34 conjunts are in the unsatisfiable core [2021-08-23 10:00:34,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 10:00:34,927 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 143 proven. 374 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:00:34,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1402608476] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:00:34,927 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 10:00:34,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 43 [2021-08-23 10:00:34,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356162698] [2021-08-23 10:00:34,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-08-23 10:00:34,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 10:00:34,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-08-23 10:00:34,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=1499, Unknown=0, NotChecked=0, Total=1806 [2021-08-23 10:00:34,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:00:34,931 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 10:00:34,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 3.116279069767442) internal successors, (134), 43 states have internal predecessors, (134), 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) [2021-08-23 10:00:34,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:00:34,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:00:34,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-23 10:00:34,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-23 10:00:34,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-23 10:00:34,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-23 10:00:34,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-23 10:00:34,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-08-23 10:00:34,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:00:36,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:00:36,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:00:36,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 10:00:36,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-23 10:00:36,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-23 10:00:36,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-23 10:00:36,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-23 10:00:36,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-08-23 10:00:36,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-08-23 10:00:36,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-23 10:00:36,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:00:36,209 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 10:00:36,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:00:36,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1019606258, now seen corresponding path program 8 times [2021-08-23 10:00:36,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:00:36,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455295576] [2021-08-23 10:00:36,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:00:36,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:00:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:00:42,711 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 102 proven. 461 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:00:42,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 10:00:42,712 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455295576] [2021-08-23 10:00:42,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455295576] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:00:42,712 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928270019] [2021-08-23 10:00:42,712 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-23 10:00:42,712 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:00:42,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:00:42,713 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) [2021-08-23 10:00:42,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-23 10:00:43,146 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-23 10:00:43,146 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 10:00:43,149 WARN L261 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 136 conjunts are in the unsatisfiable core [2021-08-23 10:00:43,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 10:02:01,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:01,885 INFO L244 Elim1Store]: Index analysis took 323 ms [2021-08-23 10:02:07,243 WARN L207 SmtUtils]: Spent 5.35 s on a formula simplification. DAG size of input: 1031 DAG size of output: 491 [2021-08-23 10:02:07,245 INFO L354 Elim1Store]: treesize reduction 1648, result has 36.2 percent of original size [2021-08-23 10:02:07,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 25 select indices, 25 select index equivalence classes, 57 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 243 case distinctions, treesize of input 269 treesize of output 1109 [2021-08-23 10:02:07,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:07,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 10:02:12,807 WARN L207 SmtUtils]: Spent 5.43 s on a formula simplification. DAG size of input: 1031 DAG size of output: 491 [2021-08-23 10:02:12,809 INFO L354 Elim1Store]: treesize reduction 1648, result has 36.2 percent of original size [2021-08-23 10:02:12,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 25 select indices, 25 select index equivalence classes, 57 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 243 case distinctions, treesize of input 3490 treesize of output 3382 Received shutdown request... [2021-08-23 10:14:07,390 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-23 10:14:07,408 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-08-23 10:14:07,422 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 [2021-08-23 10:14:07,422 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 [2021-08-23 10:14:07,426 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-23 10:14:07,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-23 10:14:07,591 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 115 with TraceHistMax 16,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-1 context. [2021-08-23 10:14:07,593 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-23 10:14:07,593 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-23 10:14:07,593 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-23 10:14:07,598 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-23 10:14:07,598 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-23 10:14:07,600 INFO L202 PluginConnector]: Adding new model array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 10:14:07 BasicIcfg [2021-08-23 10:14:07,600 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-23 10:14:07,600 INFO L168 Benchmark]: Toolchain (without parser) took 836618.16 ms. Allocated memory was 224.4 MB in the beginning and 810.5 MB in the end (delta: 586.2 MB). Free memory was 205.4 MB in the beginning and 728.5 MB in the end (delta: -523.1 MB). Peak memory consumption was 522.8 MB. Max. memory is 8.0 GB. [2021-08-23 10:14:07,601 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 224.4 MB. Free memory is still 206.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-23 10:14:07,601 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.17 ms. Allocated memory is still 224.4 MB. Free memory was 205.2 MB in the beginning and 203.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-23 10:14:07,601 INFO L168 Benchmark]: Boogie Preprocessor took 24.81 ms. Allocated memory is still 224.4 MB. Free memory was 203.9 MB in the beginning and 202.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-23 10:14:07,601 INFO L168 Benchmark]: RCFGBuilder took 225.44 ms. Allocated memory is still 224.4 MB. Free memory was 202.8 MB in the beginning and 190.9 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-08-23 10:14:07,602 INFO L168 Benchmark]: TraceAbstraction took 836340.19 ms. Allocated memory was 224.4 MB in the beginning and 810.5 MB in the end (delta: 586.2 MB). Free memory was 190.5 MB in the beginning and 728.5 MB in the end (delta: -537.9 MB). Peak memory consumption was 508.1 MB. Max. memory is 8.0 GB. [2021-08-23 10:14:07,603 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 0.12 ms. Allocated memory is still 224.4 MB. Free memory is still 206.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 21.17 ms. Allocated memory is still 224.4 MB. Free memory was 205.2 MB in the beginning and 203.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 24.81 ms. Allocated memory is still 224.4 MB. Free memory was 203.9 MB in the beginning and 202.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 225.44 ms. Allocated memory is still 224.4 MB. Free memory was 202.8 MB in the beginning and 190.9 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 836340.19 ms. Allocated memory was 224.4 MB in the beginning and 810.5 MB in the end (delta: 586.2 MB). Free memory was 190.5 MB in the beginning and 728.5 MB in the end (delta: -537.9 MB). Peak memory consumption was 508.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2572, positive: 2224, positive conditional: 1868, positive unconditional: 356, negative: 348, negative conditional: 348, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2224, positive: 2224, positive conditional: 1868, positive unconditional: 356, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2224, positive: 2224, positive conditional: 1868, positive unconditional: 356, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2224, positive: 2224, positive conditional: 1730, positive unconditional: 494, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2224, positive: 2224, positive conditional: 1590, positive unconditional: 634, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2224, positive: 2224, positive conditional: 1590, positive unconditional: 634, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 312, positive: 312, positive conditional: 0, positive unconditional: 312, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 312, positive: 311, positive conditional: 0, positive unconditional: 311, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2224, positive: 1912, positive conditional: 1590, positive unconditional: 322, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 312, unknown conditional: 0, unknown unconditional: 312] , Statistics on independence cache: Total cache size (in pairs): 312, Positive cache size: 312, Positive conditional cache size: 0, Positive unconditional cache size: 312, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 140, Maximal queried relation: 0, Independence queries for same thread: 348 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 112, Number of persistent set computation: 39, Number of trivial persistent sets: 17, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 356, positive: 356, positive conditional: 0, positive unconditional: 356, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2572, positive: 2224, positive conditional: 1868, positive unconditional: 356, negative: 348, negative conditional: 348, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2224, positive: 2224, positive conditional: 1868, positive unconditional: 356, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2224, positive: 2224, positive conditional: 1868, positive unconditional: 356, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2224, positive: 2224, positive conditional: 1730, positive unconditional: 494, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2224, positive: 2224, positive conditional: 1590, positive unconditional: 634, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2224, positive: 2224, positive conditional: 1590, positive unconditional: 634, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 312, positive: 312, positive conditional: 0, positive unconditional: 312, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 312, positive: 311, positive conditional: 0, positive unconditional: 311, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2224, positive: 1912, positive conditional: 1590, positive unconditional: 322, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 312, unknown conditional: 0, unknown unconditional: 312] , Statistics on independence cache: Total cache size (in pairs): 312, Positive cache size: 312, Positive conditional cache size: 0, Positive unconditional cache size: 312, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 140, Maximal queried relation: 0, Independence queries for same thread: 348 - 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: 60]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 115 with TraceHistMax 16,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-1 context. - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 115 with TraceHistMax 16,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-1 context. - TimeoutResultAtElement [Line: 54]: 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 115 with TraceHistMax 16,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-1 context. - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 115 with TraceHistMax 16,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 836194.2ms, OverallIterations: 10, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.6ms, PartialOrderReductionTime: 10055.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 212, 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: 61.7ms SsaConstructionTime, 266.9ms SatisfiabilityAnalysisTime, 11205.1ms InterpolantComputationTime, 927 NumberOfCodeBlocks, 927 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 910 ConstructedInterpolants, 32 QuantifiedInterpolants, 14384 SizeOfPredicates, 38 NumberOfNonLiveVariables, 883 ConjunctsInSsa, 198 ConjunctsInUnsatCore, 17 InterpolantComputations, 1 PerfectInterpolantSequences, 680/2181 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