/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 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 18:36:25,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 18:36:25,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 18:36:25,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 18:36:25,511 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-08-07 18:36:25,539 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 18:36:25,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 18:36:25,540 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 18:36:25,540 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 18:36:25,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 18:36:25,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 18:36:25,542 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 18:36:25,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 18:36:25,543 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 18:36:25,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 18:36:25,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 18:36:25,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 18:36:25,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 18:36:25,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 18:36:25,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 18:36:25,544 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 18:36:25,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 18:36:25,544 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 18:36:25,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 18:36:25,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 18:36:25,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 18:36:25,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 18:36:25,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 18:36:25,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 18:36:25,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 18:36:25,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 18:36:25,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 18:36:25,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 18:36:25,545 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-07 18:36:25,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 18:36:25,545 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 18:36:25,545 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 18:36:25,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 18:36:25,546 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-08-07 18:36:25,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 18:36:25,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 18:36:25,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 18:36:25,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 18:36:25,796 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-07 18:36:25,797 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-07 18:36:25,798 INFO L432 ainManager$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 [2021-08-07 18:36:25,798 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl' [2021-08-07 18:36:25,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 18:36:25,817 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-07 18:36:25,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 18:36:25,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 18:36:25,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 18:36:25,827 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 07.08 06:36:25" (1/1) ... [2021-08-07 18:36:25,834 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 07.08 06:36:25" (1/1) ... [2021-08-07 18:36:25,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 18:36:25,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 18:36:25,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 18:36:25,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 18:36:25,848 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 07.08 06:36:25" (1/1) ... [2021-08-07 18:36:25,849 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 07.08 06:36:25" (1/1) ... [2021-08-07 18:36:25,851 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 07.08 06:36:25" (1/1) ... [2021-08-07 18:36:25,851 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 07.08 06:36:25" (1/1) ... [2021-08-07 18:36:25,857 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 07.08 06:36:25" (1/1) ... [2021-08-07 18:36:25,860 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 07.08 06:36:25" (1/1) ... [2021-08-07 18:36:25,861 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 07.08 06:36:25" (1/1) ... [2021-08-07 18:36:25,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 18:36:25,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 18:36:25,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 18:36:25,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 18:36:25,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:36:25" (1/1) ... [2021-08-07 18:36:25,874 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 18:36:25,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:36:25,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-07 18:36:25,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-07 18:36:25,930 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-07 18:36:25,930 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-07 18:36:25,931 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-07 18:36:25,931 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-07 18:36:25,931 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-07 18:36:25,931 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-07 18:36:25,931 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-07 18:36:25,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 18:36:25,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 18:36:25,931 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-07 18:36:25,931 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-07 18:36:25,931 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-07 18:36:25,932 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 18:36:26,087 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 18:36:26,087 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-07 18:36:26,089 INFO L202 PluginConnector]: Adding new model three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 06:36:26 BoogieIcfgContainer [2021-08-07 18:36:26,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 18:36:26,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 18:36:26,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 18:36:26,092 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 18:36:26,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:36:25" (1/2) ... [2021-08-07 18:36:26,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b79f48 and model type three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 06:36:26, skipping insertion in model container [2021-08-07 18:36:26,093 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 07.08 06:36:26" (2/2) ... [2021-08-07 18:36:26,093 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-min.wvr.bpl [2021-08-07 18:36:26,096 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 18:36:26,096 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 18:36:26,097 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 18:36:26,097 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 18:36:26,140 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-07 18:36:26,177 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 18:36:26,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:36:26,181 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 18:36:26,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-07 18:36:26,202 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 18:36:26,206 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 18:36:26,206 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-07 18:36:26,314 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:36:26,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:36:26,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1610854780, now seen corresponding path program 1 times [2021-08-07 18:36:26,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:36:26,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540465892] [2021-08-07 18:36:26,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:36:26,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:36:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:36:26,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-07 18:36:26,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:36:26,497 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540465892] [2021-08-07 18:36:26,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540465892] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 18:36:26,498 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 18:36:26,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-07 18:36:26,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360786557] [2021-08-07 18:36:26,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 18:36:26,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:36:26,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 18:36:26,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 18:36:26,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:36:26,515 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:36:26,516 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) [2021-08-07 18:36:26,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:36:26,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:36:26,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 18:36:26,573 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:36:26,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:36:26,576 INFO L82 PathProgramCache]: Analyzing trace with hash -152457050, now seen corresponding path program 1 times [2021-08-07 18:36:26,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:36:26,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951129649] [2021-08-07 18:36:26,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:36:26,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:36:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:36:27,164 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:36:27,165 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:36:27,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951129649] [2021-08-07 18:36:27,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951129649] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:36:27,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010511114] [2021-08-07 18:36:27,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:36:27,166 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:36:27,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:36:27,175 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 18:36:27,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-07 18:36:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:36:27,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-07 18:36:27,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:36:28,017 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 [2021-08-07 18:36:28,020 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 [2021-08-07 18:36:28,023 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 [2021-08-07 18:36:28,167 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 [2021-08-07 18:36:28,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 18:36:28,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010511114] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:36:28,224 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:36:28,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-08-07 18:36:28,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489820727] [2021-08-07 18:36:28,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-07 18:36:28,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:36:28,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-07 18:36:28,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2021-08-07 18:36:28,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:36:28,229 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:36:28,229 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) [2021-08-07 18:36:28,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:36:28,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:36:28,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:36:28,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:36:28,482 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-07 18:36:28,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-08-07 18:36:28,682 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:36:28,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:36:28,682 INFO L82 PathProgramCache]: Analyzing trace with hash 922341674, now seen corresponding path program 2 times [2021-08-07 18:36:28,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:36:28,683 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708008357] [2021-08-07 18:36:28,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:36:28,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:36:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:36:28,720 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-08-07 18:36:28,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:36:28,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708008357] [2021-08-07 18:36:28,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708008357] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:36:28,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568242023] [2021-08-07 18:36:28,721 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 18:36:28,721 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:36:28,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:36:28,722 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 18:36:28,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-07 18:36:28,825 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 18:36:28,825 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 18:36:28,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-07 18:36:28,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:36:29,000 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-08-07 18:36:29,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1568242023] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:36:29,001 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:36:29,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-08-07 18:36:29,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113536762] [2021-08-07 18:36:29,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 18:36:29,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:36:29,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 18:36:29,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-08-07 18:36:29,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:36:29,002 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:36:29,002 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) [2021-08-07 18:36:29,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:36:29,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:36:29,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:36:29,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:36:29,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:36:29,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 18:36:29,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-07 18:36:29,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:36:29,317 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:36:29,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:36:29,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1813864948, now seen corresponding path program 3 times [2021-08-07 18:36:29,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:36:29,318 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016487476] [2021-08-07 18:36:29,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:36:29,318 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:36:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:36:29,375 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-07 18:36:29,375 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:36:29,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016487476] [2021-08-07 18:36:29,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016487476] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:36:29,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276817457] [2021-08-07 18:36:29,375 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-07 18:36:29,376 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:36:29,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:36:29,376 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 18:36:29,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-07 18:36:29,484 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-07 18:36:29,484 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 18:36:29,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-07 18:36:29,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:36:29,623 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-07 18:36:29,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276817457] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:36:29,623 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:36:29,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-08-07 18:36:29,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734585906] [2021-08-07 18:36:29,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-07 18:36:29,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:36:29,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-07 18:36:29,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-08-07 18:36:29,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:36:29,625 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:36:29,625 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) [2021-08-07 18:36:29,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:36:29,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:36:29,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 18:36:29,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:36:29,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:36:29,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:36:29,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 18:36:29,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 18:36:29,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-07 18:36:29,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:36:29,901 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:36:29,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:36:29,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1979102866, now seen corresponding path program 4 times [2021-08-07 18:36:29,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:36:29,901 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352550101] [2021-08-07 18:36:29,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:36:29,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:36:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 18:36:29,969 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-08-07 18:36:29,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 18:36:29,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352550101] [2021-08-07 18:36:29,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352550101] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:36:29,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152175576] [2021-08-07 18:36:29,970 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-07 18:36:29,970 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:36:29,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 18:36:29,973 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 18:36:29,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-07 18:36:30,082 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-07 18:36:30,082 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 18:36:30,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-07 18:36:30,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 18:36:30,258 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-08-07 18:36:30,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152175576] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 18:36:30,259 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 18:36:30,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-08-07 18:36:30,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713287192] [2021-08-07 18:36:30,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-07 18:36:30,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 18:36:30,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-07 18:36:30,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-08-07 18:36:30,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:36:30,260 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 18:36:30,260 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) [2021-08-07 18:36:30,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:36:30,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:36:30,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 18:36:30,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 18:36:30,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 18:36:30,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 18:36:30,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:36:30,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 18:36:30,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 18:36:30,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 18:36:30,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-07 18:36:30,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 18:36:30,635 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 18:36:30,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 18:36:30,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1676256140, now seen corresponding path program 5 times [2021-08-07 18:36:30,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 18:36:30,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978497392] [2021-08-07 18:36:30,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 18:36:30,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 18:36:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-08-07 18:51:13,920 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-07 18:51:13,927 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-07 18:51:13,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-07 18:51:13,928 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 ∧-55-6-5-6-6-6-6-7-6-7-6-7-6-7-5-7-5-7-5-7-5-7-5-7-5-7-5-7-5-7-5-6-5-6-5-6-5-6-5-6-5-5-5-5-5-5-5-5-5-5-4-5-4-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-4-2-4-2-1 context. [2021-08-07 18:51:13,929 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 18:51:13,929 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 18:51:13,929 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-07 18:51:13,935 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 18:51:13,935 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 18:51:13,936 INFO L202 PluginConnector]: Adding new model three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 06:51:13 BasicIcfg [2021-08-07 18:51:13,937 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 18:51:13,937 INFO L168 Benchmark]: Toolchain (without parser) took 888120.61 ms. Allocated memory was 217.1 MB in the beginning and 615.5 MB in the end (delta: 398.5 MB). Free memory was 197.0 MB in the beginning and 290.7 MB in the end (delta: -93.7 MB). Peak memory consumption was 371.5 MB. Max. memory is 8.0 GB. [2021-08-07 18:51:13,937 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 217.1 MB. Free memory is still 198.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 18:51:13,937 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.08 ms. Allocated memory is still 217.1 MB. Free memory was 197.0 MB in the beginning and 195.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 18:51:13,937 INFO L168 Benchmark]: Boogie Preprocessor took 22.90 ms. Allocated memory is still 217.1 MB. Free memory was 195.5 MB in the beginning and 194.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 18:51:13,937 INFO L168 Benchmark]: RCFGBuilder took 221.95 ms. Allocated memory is still 217.1 MB. Free memory was 194.3 MB in the beginning and 179.0 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-08-07 18:51:13,937 INFO L168 Benchmark]: TraceAbstraction took 887846.74 ms. Allocated memory was 217.1 MB in the beginning and 615.5 MB in the end (delta: 398.5 MB). Free memory was 178.5 MB in the beginning and 290.7 MB in the end (delta: -112.2 MB). Peak memory consumption was 353.7 MB. Max. memory is 8.0 GB. [2021-08-07 18:51:13,938 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 0.11 ms. Allocated memory is still 217.1 MB. Free memory is still 198.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.08 ms. Allocated memory is still 217.1 MB. Free memory was 197.0 MB in the beginning and 195.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 22.90 ms. Allocated memory is still 217.1 MB. Free memory was 195.5 MB in the beginning and 194.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 221.95 ms. Allocated memory is still 217.1 MB. Free memory was 194.3 MB in the beginning and 179.0 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 887846.74 ms. Allocated memory was 217.1 MB in the beginning and 615.5 MB in the end (delta: 398.5 MB). Free memory was 178.5 MB in the beginning and 290.7 MB in the end (delta: -112.2 MB). Peak memory consumption was 353.7 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: 1223, positive: 981, positive conditional: 646, positive unconditional: 335, 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: 1029, positive: 981, positive conditional: 646, positive unconditional: 335, 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: 1029, positive: 981, positive conditional: 646, positive unconditional: 335, 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: 1165, positive: 981, positive conditional: 586, positive unconditional: 395, negative: 184, negative conditional: 136, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1165, positive: 981, positive conditional: 451, positive unconditional: 530, negative: 184, negative conditional: 68, negative unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1165, positive: 981, positive conditional: 451, positive unconditional: 530, negative: 184, negative conditional: 68, negative unconditional: 116, 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: 79, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 76, negative conditional: 17, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1165, positive: 685, positive conditional: 450, positive unconditional: 235, negative: 169, negative conditional: 58, negative unconditional: 111, 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: 203, Maximal queried relation: 5, Independence queries for same thread: 194 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 79, Number of persistent set computation: 27, Number of trivial persistent sets: 12, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 339, positive: 335, positive conditional: 0, positive unconditional: 335, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1223, positive: 981, positive conditional: 646, positive unconditional: 335, 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: 1029, positive: 981, positive conditional: 646, positive unconditional: 335, 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: 1029, positive: 981, positive conditional: 646, positive unconditional: 335, 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: 1165, positive: 981, positive conditional: 586, positive unconditional: 395, negative: 184, negative conditional: 136, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1165, positive: 981, positive conditional: 451, positive unconditional: 530, negative: 184, negative conditional: 68, negative unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1165, positive: 981, positive conditional: 451, positive unconditional: 530, negative: 184, negative conditional: 68, negative unconditional: 116, 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: 79, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 76, negative conditional: 17, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1165, positive: 685, positive conditional: 450, positive unconditional: 235, negative: 169, negative conditional: 58, negative unconditional: 111, 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: 203, Maximal queried relation: 5, 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 ∧-55-6-5-6-6-6-6-7-6-7-6-7-6-7-5-7-5-7-5-7-5-7-5-7-5-7-5-7-5-7-5-6-5-6-5-6-5-6-5-6-5-5-5-5-5-5-5-5-5-5-4-5-4-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-4-2-4-2-1 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 ∧-55-6-5-6-6-6-6-7-6-7-6-7-6-7-5-7-5-7-5-7-5-7-5-7-5-7-5-7-5-7-5-6-5-6-5-6-5-6-5-6-5-5-5-5-5-5-5-5-5-5-4-5-4-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-4-2-4-2-1 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 ∧-55-6-5-6-6-6-6-7-6-7-6-7-6-7-5-7-5-7-5-7-5-7-5-7-5-7-5-7-5-7-5-6-5-6-5-6-5-6-5-6-5-5-5-5-5-5-5-5-5-5-4-5-4-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-4-2-4-2-1 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 ∧-55-6-5-6-6-6-6-7-6-7-6-7-6-7-5-7-5-7-5-7-5-7-5-7-5-7-5-7-5-7-5-6-5-6-5-6-5-6-5-6-5-5-5-5-5-5-5-5-5-5-4-5-4-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-5-3-4-2-4-2-1 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: 887759.0ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.4ms, PartialOrderReductionTime: 712.3ms, 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: 30.3ms SsaConstructionTime, 142.1ms SatisfiabilityAnalysisTime, 2261.1ms 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