/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 20:38:19,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 20:38:19,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 20:38:19,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-22 20:38:19,642 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-08-22 20:38:19,671 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 20:38:19,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 20:38:19,672 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 20:38:19,672 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 20:38:19,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 20:38:19,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 20:38:19,676 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 20:38:19,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 20:38:19,676 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 20:38:19,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 20:38:19,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 20:38:19,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 20:38:19,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 20:38:19,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 20:38:19,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 20:38:19,678 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 20:38:19,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 20:38:19,678 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 20:38:19,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 20:38:19,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 20:38:19,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 20:38:19,679 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 20:38:19,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 20:38:19,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 20:38:19,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 20:38:19,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 20:38:19,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 20:38:19,680 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 20:38:19,680 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-22 20:38:19,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 20:38:19,681 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 20:38:19,681 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 20:38:19,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 20:38:19,681 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-22 20:38:19,682 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-08-22 20:38:19,682 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 20:38:19,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 20:38:20,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 20:38:20,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 20:38:20,028 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-22 20:38:20,029 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-22 20:38:20,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl [2021-08-22 20:38:20,030 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl' [2021-08-22 20:38:20,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 20:38:20,070 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-22 20:38:20,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 20:38:20,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 20:38:20,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 20:38:20,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:38:20" (1/1) ... [2021-08-22 20:38:20,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:38:20" (1/1) ... [2021-08-22 20:38:20,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 20:38:20,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 20:38:20,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 20:38:20,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 20:38:20,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:38:20" (1/1) ... [2021-08-22 20:38:20,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:38:20" (1/1) ... [2021-08-22 20:38:20,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:38:20" (1/1) ... [2021-08-22 20:38:20,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:38:20" (1/1) ... [2021-08-22 20:38:20,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:38:20" (1/1) ... [2021-08-22 20:38:20,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:38:20" (1/1) ... [2021-08-22 20:38:20,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:38:20" (1/1) ... [2021-08-22 20:38:20,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 20:38:20,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 20:38:20,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 20:38:20,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 20:38:20,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:38:20" (1/1) ... [2021-08-22 20:38:20,141 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 20:38:20,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:38:20,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-22 20:38:20,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-22 20:38:20,202 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-22 20:38:20,202 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-22 20:38:20,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-22 20:38:20,202 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-22 20:38:20,202 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-22 20:38:20,203 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-22 20:38:20,204 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-22 20:38:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 20:38:20,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 20:38:20,204 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-22 20:38:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-22 20:38:20,205 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-22 20:38:20,206 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-22 20:38:20,494 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 20:38:20,494 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-22 20:38:20,496 INFO L202 PluginConnector]: Adding new model three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 08:38:20 BoogieIcfgContainer [2021-08-22 20:38:20,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 20:38:20,498 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 20:38:20,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 20:38:20,500 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 20:38:20,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:38:20" (1/2) ... [2021-08-22 20:38:20,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1b522b and model type three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 08:38:20, skipping insertion in model container [2021-08-22 20:38:20,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 08:38:20" (2/2) ... [2021-08-22 20:38:20,503 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-min.wvr.bpl [2021-08-22 20:38:20,511 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 20:38:20,511 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 20:38:20,511 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 20:38:20,511 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 20:38:20,557 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-22 20:38:20,592 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 20:38:20,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:38:20,597 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-22 20:38:20,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-22 20:38:20,629 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-22 20:38:20,636 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-22 20:38:20,636 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-22 20:38:20,821 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:38:20,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:38:20,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1610854780, now seen corresponding path program 1 times [2021-08-22 20:38:20,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:38:20,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088168320] [2021-08-22 20:38:20,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:38:20,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:38:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:38:21,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 20:38:21,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:38:21,022 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088168320] [2021-08-22 20:38:21,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088168320] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 20:38:21,022 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 20:38:21,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 20:38:21,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480029796] [2021-08-22 20:38:21,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-22 20:38:21,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:38:21,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-22 20:38:21,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-22 20:38:21,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:38:21,047 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:38:21,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:38:21,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:38:21,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:38:21,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 20:38:21,126 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:38:21,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:38:21,129 INFO L82 PathProgramCache]: Analyzing trace with hash -152457050, now seen corresponding path program 1 times [2021-08-22 20:38:21,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:38:21,129 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374012150] [2021-08-22 20:38:21,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:38:21,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:38:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:38:21,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:38:21,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:38:21,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374012150] [2021-08-22 20:38:21,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374012150] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:38:21,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139653413] [2021-08-22 20:38:21,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:38:21,825 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:38:21,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:38:21,827 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 20:38:21,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-22 20:38:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:38:21,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-22 20:38:21,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:38:22,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 60 [2021-08-22 20:38:22,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 45 [2021-08-22 20:38:22,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 44 [2021-08-22 20:38:23,103 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 49 treesize of output 37 [2021-08-22 20:38:23,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:38:23,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139653413] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:38:23,164 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:38:23,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-08-22 20:38:23,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973469541] [2021-08-22 20:38:23,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-22 20:38:23,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:38:23,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-22 20:38:23,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2021-08-22 20:38:23,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:38:23,167 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:38:23,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 14 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:38:23,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:38:23,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:38:23,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:38:23,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:38:23,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-08-22 20:38:23,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-08-22 20:38:23,697 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:38:23,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:38:23,698 INFO L82 PathProgramCache]: Analyzing trace with hash 922341674, now seen corresponding path program 2 times [2021-08-22 20:38:23,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:38:23,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300398535] [2021-08-22 20:38:23,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:38:23,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:38:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:38:23,763 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-08-22 20:38:23,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:38:23,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300398535] [2021-08-22 20:38:23,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300398535] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:38:23,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731776179] [2021-08-22 20:38:23,764 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 20:38:23,764 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:38:23,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:38:23,766 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 20:38:23,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-22 20:38:23,900 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 20:38:23,901 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:38:23,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-22 20:38:23,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:38:24,057 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-08-22 20:38:24,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731776179] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:38:24,058 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:38:24,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-08-22 20:38:24,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983798677] [2021-08-22 20:38:24,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-22 20:38:24,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:38:24,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-22 20:38:24,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-08-22 20:38:24,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:38:24,059 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:38:24,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:38:24,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:38:24,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:38:24,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:38:24,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:38:24,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:38:24,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:38:24,244 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-22 20:38:24,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:38:24,433 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:38:24,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:38:24,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1813864948, now seen corresponding path program 3 times [2021-08-22 20:38:24,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:38:24,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634167001] [2021-08-22 20:38:24,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:38:24,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:38:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:38:24,504 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-22 20:38:24,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:38:24,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634167001] [2021-08-22 20:38:24,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634167001] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:38:24,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098389176] [2021-08-22 20:38:24,505 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 20:38:24,505 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:38:24,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:38:24,506 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 20:38:24,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-22 20:38:24,642 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-22 20:38:24,643 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:38:24,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-22 20:38:24,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:38:24,768 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-22 20:38:24,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098389176] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:38:24,769 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:38:24,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-08-22 20:38:24,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873553003] [2021-08-22 20:38:24,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-22 20:38:24,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:38:24,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-22 20:38:24,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-08-22 20:38:24,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:38:24,770 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:38:24,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 8 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:38:24,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:38:24,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:38:24,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:38:24,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:38:24,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:38:24,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:38:24,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:38:24,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 20:38:24,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-22 20:38:25,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:38:25,092 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:38:25,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:38:25,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1979102866, now seen corresponding path program 4 times [2021-08-22 20:38:25,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:38:25,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269590844] [2021-08-22 20:38:25,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:38:25,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:38:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:38:25,180 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-08-22 20:38:25,181 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:38:25,181 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269590844] [2021-08-22 20:38:25,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269590844] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:38:25,181 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256113967] [2021-08-22 20:38:25,181 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-22 20:38:25,181 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:38:25,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:38:25,182 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 20:38:25,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-22 20:38:25,311 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-22 20:38:25,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:38:25,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-22 20:38:25,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:38:25,460 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-08-22 20:38:25,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1256113967] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:38:25,461 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:38:25,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-08-22 20:38:25,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716660232] [2021-08-22 20:38:25,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-22 20:38:25,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:38:25,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-22 20:38:25,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-08-22 20:38:25,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:38:25,464 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:38:25,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 8 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:38:25,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:38:25,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:38:25,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:38:25,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 20:38:25,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:38:25,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 20:38:25,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:38:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:38:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 20:38:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:38:25,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-08-22 20:38:25,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:38:25,859 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:38:25,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:38:25,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1676256140, now seen corresponding path program 5 times [2021-08-22 20:38:25,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:38:25,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984260956] [2021-08-22 20:38:25,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:38:25,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:38:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-08-22 20:53:03,846 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-22 20:53:03,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-22 20:53:03,847 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 41 with TraceHistMax 3,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-4-3-5-5-6-5-6-5-7-5-7-5-7-5-7-5-7-4-7-3-7-3-7-3-7-3-7-3-7-3-7-3-6-3-6-3-6-3-6-3-6-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-4-2-4-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-3-3-6-3-6-3-6-3-1 context. [2021-08-22 20:53:03,849 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 20:53:03,849 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 20:53:03,849 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 20:53:03,859 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 20:53:03,859 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 20:53:03,861 INFO L202 PluginConnector]: Adding new model three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 08:53:03 BasicIcfg [2021-08-22 20:53:03,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 20:53:03,863 INFO L168 Benchmark]: Toolchain (without parser) took 883791.91 ms. Allocated memory was 199.2 MB in the beginning and 553.6 MB in the end (delta: 354.4 MB). Free memory was 179.6 MB in the beginning and 283.4 MB in the end (delta: -103.8 MB). Peak memory consumption was 334.6 MB. Max. memory is 8.0 GB. [2021-08-22 20:53:03,863 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 199.2 MB. Free memory was 180.8 MB in the beginning and 180.7 MB in the end (delta: 84.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 20:53:03,863 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.42 ms. Allocated memory is still 199.2 MB. Free memory was 179.5 MB in the beginning and 178.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-22 20:53:03,864 INFO L168 Benchmark]: Boogie Preprocessor took 28.00 ms. Allocated memory is still 199.2 MB. Free memory was 178.0 MB in the beginning and 177.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 20:53:03,864 INFO L168 Benchmark]: RCFGBuilder took 363.27 ms. Allocated memory is still 199.2 MB. Free memory was 176.9 MB in the beginning and 162.1 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-22 20:53:03,865 INFO L168 Benchmark]: TraceAbstraction took 883363.72 ms. Allocated memory was 199.2 MB in the beginning and 553.6 MB in the end (delta: 354.4 MB). Free memory was 161.6 MB in the beginning and 283.4 MB in the end (delta: -121.9 MB). Peak memory consumption was 316.8 MB. Max. memory is 8.0 GB. [2021-08-22 20:53:03,866 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-22 20:53:03,866 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2021-08-22 20:53:03,866 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 --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 199.2 MB. Free memory was 180.8 MB in the beginning and 180.7 MB in the end (delta: 84.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 31.42 ms. Allocated memory is still 199.2 MB. Free memory was 179.5 MB in the beginning and 178.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 28.00 ms. Allocated memory is still 199.2 MB. Free memory was 178.0 MB in the beginning and 177.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 363.27 ms. Allocated memory is still 199.2 MB. Free memory was 176.9 MB in the beginning and 162.1 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 883363.72 ms. Allocated memory was 199.2 MB in the beginning and 553.6 MB in the end (delta: 354.4 MB). Free memory was 161.6 MB in the beginning and 283.4 MB in the end (delta: -121.9 MB). Peak memory consumption was 316.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1220, positive: 978, positive conditional: 646, positive unconditional: 332, negative: 242, negative conditional: 238, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1026, positive: 978, positive conditional: 646, positive unconditional: 332, negative: 48, negative conditional: 44, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1026, positive: 978, positive conditional: 646, positive unconditional: 332, negative: 48, negative conditional: 44, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1102, positive: 978, positive conditional: 543, positive unconditional: 435, negative: 124, negative conditional: 76, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1102, positive: 978, positive conditional: 503, positive unconditional: 475, negative: 124, negative conditional: 68, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1102, positive: 978, positive conditional: 503, positive unconditional: 475, negative: 124, negative conditional: 68, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 311, positive: 296, positive conditional: 1, positive unconditional: 295, negative: 15, negative conditional: 10, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 311, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 15, negative conditional: 10, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 86, negative conditional: 29, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1102, positive: 682, positive conditional: 502, positive unconditional: 180, negative: 109, negative conditional: 58, negative unconditional: 51, unknown: 311, unknown conditional: 11, unknown unconditional: 300] , Statistics on independence cache: Total cache size (in pairs): 311, Positive cache size: 296, Positive conditional cache size: 1, Positive unconditional cache size: 295, Negative cache size: 15, Negative conditional cache size: 10, Negative unconditional cache size: 5, Eliminated conditions: 48, Maximal queried relation: 3, Independence queries for same thread: 194 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 105, Number of persistent set computation: 27, Number of trivial persistent sets: 12, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 336, positive: 332, positive conditional: 0, positive unconditional: 332, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1220, positive: 978, positive conditional: 646, positive unconditional: 332, negative: 242, negative conditional: 238, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1026, positive: 978, positive conditional: 646, positive unconditional: 332, negative: 48, negative conditional: 44, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1026, positive: 978, positive conditional: 646, positive unconditional: 332, negative: 48, negative conditional: 44, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1102, positive: 978, positive conditional: 543, positive unconditional: 435, negative: 124, negative conditional: 76, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1102, positive: 978, positive conditional: 503, positive unconditional: 475, negative: 124, negative conditional: 68, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1102, positive: 978, positive conditional: 503, positive unconditional: 475, negative: 124, negative conditional: 68, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 311, positive: 296, positive conditional: 1, positive unconditional: 295, negative: 15, negative conditional: 10, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 311, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 15, negative conditional: 10, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 86, negative conditional: 29, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1102, positive: 682, positive conditional: 502, positive unconditional: 180, negative: 109, negative conditional: 58, negative unconditional: 51, unknown: 311, unknown conditional: 11, unknown unconditional: 300] , Statistics on independence cache: Total cache size (in pairs): 311, Positive cache size: 296, Positive conditional cache size: 1, Positive unconditional cache size: 295, Negative cache size: 15, Negative conditional cache size: 10, Negative unconditional cache size: 5, Eliminated conditions: 48, Maximal queried relation: 3, Independence queries for same thread: 194 - 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: 74]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 41 with TraceHistMax 3,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-4-3-5-5-6-5-6-5-7-5-7-5-7-5-7-5-7-4-7-3-7-3-7-3-7-3-7-3-7-3-7-3-6-3-6-3-6-3-6-3-6-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-4-2-4-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-3-3-6-3-6-3-6-3-1 context. - TimeoutResultAtElement [Line: 67]: 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 41 with TraceHistMax 3,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-4-3-5-5-6-5-6-5-7-5-7-5-7-5-7-5-7-4-7-3-7-3-7-3-7-3-7-3-7-3-7-3-6-3-6-3-6-3-6-3-6-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-4-2-4-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-3-3-6-3-6-3-6-3-1 context. - TimeoutResultAtElement [Line: 68]: 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 41 with TraceHistMax 3,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-4-3-5-5-6-5-6-5-7-5-7-5-7-5-7-5-7-4-7-3-7-3-7-3-7-3-7-3-7-3-7-3-6-3-6-3-6-3-6-3-6-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-4-2-4-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-3-3-6-3-6-3-6-3-1 context. - TimeoutResultAtElement [Line: 67]: 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 41 with TraceHistMax 3,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-4-3-5-5-6-5-6-5-7-5-7-5-7-5-7-5-7-4-7-3-7-3-7-3-7-3-7-3-7-3-7-3-6-3-6-3-6-3-6-3-6-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-4-2-4-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-3-3-6-3-6-3-6-3-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 883268.5ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 25.8ms, PartialOrderReductionTime: 970.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 44, 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: 41.9ms SsaConstructionTime, 196.9ms SatisfiabilityAnalysisTime, 2613.6ms InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 275 ConstructedInterpolants, 0 QuantifiedInterpolants, 2435 SizeOfPredicates, 6 NumberOfNonLiveVariables, 348 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 72/118 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