/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-19 12:44:29,286 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-19 12:44:29,368 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 12:44:29,397 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 12:44:29,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 12:44:29,398 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 12:44:29,398 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 12:44:29,398 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 12:44:29,399 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 12:44:29,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 12:44:29,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 12:44:29,399 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 12:44:29,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 12:44:29,400 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 12:44:29,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 12:44:29,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 12:44:29,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 12:44:29,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 12:44:29,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 12:44:29,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 12:44:29,401 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 12:44:29,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 12:44:29,401 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 12:44:29,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 12:44:29,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 12:44:29,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 12:44:29,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 12:44:29,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 12:44:29,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 12:44:29,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 12:44:29,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 12:44:29,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 12:44:29,403 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 12:44:29,403 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 12:44:29,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 12:44:29,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 12:44:29,403 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 12:44:29,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 12:44:29,403 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 12:44:29,404 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-19 12:44:29,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 12:44:29,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 12:44:29,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 12:44:29,663 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-19 12:44:29,665 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-19 12:44:29,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq-array.wvr.bpl [2023-05-19 12:44:29,666 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq-array.wvr.bpl' [2023-05-19 12:44:29,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 12:44:29,688 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-19 12:44:29,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 12:44:29,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 12:44:29,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 12:44:29,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:44:29" (1/1) ... [2023-05-19 12:44:29,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:44:29" (1/1) ... [2023-05-19 12:44:29,711 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-19 12:44:29,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 12:44:29,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 12:44:29,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 12:44:29,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 12:44:29,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:44:29" (1/1) ... [2023-05-19 12:44:29,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:44:29" (1/1) ... [2023-05-19 12:44:29,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:44:29" (1/1) ... [2023-05-19 12:44:29,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:44:29" (1/1) ... [2023-05-19 12:44:29,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:44:29" (1/1) ... [2023-05-19 12:44:29,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:44:29" (1/1) ... [2023-05-19 12:44:29,727 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:44:29" (1/1) ... [2023-05-19 12:44:29,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:44:29" (1/1) ... [2023-05-19 12:44:29,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 12:44:29,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 12:44:29,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 12:44:29,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 12:44:29,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:44:29" (1/1) ... [2023-05-19 12:44:29,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 12:44:29,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 12:44:29,766 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) [2023-05-19 12:44:29,773 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 [2023-05-19 12:44:29,796 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-19 12:44:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 12:44:29,796 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 12:44:29,796 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-19 12:44:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 12:44:29,796 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 12:44:29,797 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-19 12:44:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 12:44:29,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 12:44:29,798 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-19 12:44:29,844 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 12:44:29,846 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 12:44:29,989 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 12:44:30,016 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 12:44:30,017 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-19 12:44:30,018 INFO L202 PluginConnector]: Adding new model inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 12:44:30 BoogieIcfgContainer [2023-05-19 12:44:30,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 12:44:30,021 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 12:44:30,021 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 12:44:30,039 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 12:44:30,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:44:29" (1/2) ... [2023-05-19 12:44:30,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487add01 and model type inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 12:44:30, skipping insertion in model container [2023-05-19 12:44:30,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 12:44:30" (2/2) ... [2023-05-19 12:44:30,042 INFO L112 eAbstractionObserver]: Analyzing ICFG inc-subseq-array.wvr.bpl [2023-05-19 12:44:30,048 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 12:44:30,068 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 12:44:30,069 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 12:44:30,069 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 12:44:30,097 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-19 12:44:30,140 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 12:44:30,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 12:44:30,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 12:44:30,169 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) [2023-05-19 12:44:30,207 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 [2023-05-19 12:44:30,240 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 12:44:30,260 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 12:44:30,269 INFO L357 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, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@77524a1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 12:44:30,270 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-19 12:44:30,498 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 12:44:30,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 12:44:30,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1349675416, now seen corresponding path program 1 times [2023-05-19 12:44:30,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 12:44:30,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269002852] [2023-05-19 12:44:30,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 12:44:30,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 12:44:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 12:44:30,769 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-19 12:44:30,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 12:44:30,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269002852] [2023-05-19 12:44:30,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269002852] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 12:44:30,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 12:44:30,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-19 12:44:30,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707395553] [2023-05-19 12:44:30,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 12:44:30,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-19 12:44:30,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 12:44:30,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-19 12:44:30,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-19 12:44:30,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:44:30,816 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 12:44:30,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 12:44:30,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:44:30,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 12:44:30,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-19 12:44:30,879 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 12:44:30,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 12:44:30,880 INFO L85 PathProgramCache]: Analyzing trace with hash -359581054, now seen corresponding path program 2 times [2023-05-19 12:44:30,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 12:44:30,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034454260] [2023-05-19 12:44:30,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 12:44:30,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 12:44:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 12:44:30,995 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 12:44:30,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 12:44:30,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034454260] [2023-05-19 12:44:30,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034454260] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 12:44:30,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399968771] [2023-05-19 12:44:30,996 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 12:44:30,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 12:44:30,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 12:44:30,998 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) [2023-05-19 12:44:31,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-19 12:44:31,053 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 12:44:31,053 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 12:44:31,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-19 12:44:31,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 12:44:31,129 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-19 12:44:31,129 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-19 12:44:31,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399968771] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 12:44:31,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-19 12:44:31,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2023-05-19 12:44:31,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944018580] [2023-05-19 12:44:31,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 12:44:31,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-19 12:44:31,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 12:44:31,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-19 12:44:31,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-05-19 12:44:31,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:44:31,135 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 12:44:31,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2023-05-19 12:44:31,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 12:44:31,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:44:31,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 12:44:31,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:44:31,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-19 12:44:31,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-05-19 12:44:31,421 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 12:44:31,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 12:44:31,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1615974076, now seen corresponding path program 3 times [2023-05-19 12:44:31,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 12:44:31,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920929010] [2023-05-19 12:44:31,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 12:44:31,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 12:44:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 12:44:31,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 12:44:31,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 12:44:31,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920929010] [2023-05-19 12:44:31,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920929010] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 12:44:31,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 12:44:31,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-19 12:44:31,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989932587] [2023-05-19 12:44:31,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 12:44:31,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-19 12:44:31,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 12:44:31,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-19 12:44:31,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-19 12:44:31,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:44:31,500 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 12:44:31,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 12:44:31,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 12:44:31,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:44:31,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:44:31,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 12:44:31,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:44:31,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 12:44:31,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-19 12:44:31,563 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 12:44:31,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 12:44:31,563 INFO L85 PathProgramCache]: Analyzing trace with hash 444885726, now seen corresponding path program 4 times [2023-05-19 12:44:31,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 12:44:31,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633781988] [2023-05-19 12:44:31,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 12:44:31,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 12:44:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 12:44:31,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 12:44:31,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 12:44:31,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633781988] [2023-05-19 12:44:31,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633781988] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 12:44:31,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778975935] [2023-05-19 12:44:31,753 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 12:44:31,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 12:44:31,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 12:44:31,755 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) [2023-05-19 12:44:31,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-19 12:44:31,789 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 12:44:31,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 12:44:31,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjunts are in the unsatisfiable core [2023-05-19 12:44:31,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 12:44:31,941 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-05-19 12:44:31,970 INFO L390 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 11 treesize of output 7 [2023-05-19 12:44:32,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 12:44:32,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 12:44:32,090 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 12:44:32,091 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 20 [2023-05-19 12:44:32,139 INFO L390 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 17 treesize of output 13 [2023-05-19 12:44:32,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 12:44:32,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [778975935] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 12:44:32,200 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 12:44:32,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 13 [2023-05-19 12:44:32,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253563542] [2023-05-19 12:44:32,201 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 12:44:32,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-05-19 12:44:32,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 12:44:32,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-05-19 12:44:32,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2023-05-19 12:44:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:44:32,204 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 12:44:32,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 13 states have internal predecessors, (34), 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) [2023-05-19 12:44:32,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 12:44:32,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:44:32,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 12:44:32,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:44:32,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 12:44:32,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:44:32,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 12:44:32,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 12:44:32,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-19 12:44:32,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 12:44:32,621 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 12:44:32,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 12:44:32,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1427804880, now seen corresponding path program 5 times [2023-05-19 12:44:32,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 12:44:32,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132225336] [2023-05-19 12:44:32,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 12:44:32,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 12:44:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 12:44:32,781 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 26 proven. 36 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-05-19 12:44:32,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 12:44:32,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132225336] [2023-05-19 12:44:32,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132225336] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 12:44:32,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405476502] [2023-05-19 12:44:32,782 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 12:44:32,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 12:44:32,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 12:44:32,784 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) [2023-05-19 12:44:32,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-19 12:44:32,826 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2023-05-19 12:44:32,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 12:44:32,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-19 12:44:32,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 12:44:32,891 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 22 proven. 26 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-05-19 12:44:32,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 12:44:32,977 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 22 proven. 26 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-05-19 12:44:32,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405476502] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 12:44:32,978 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 12:44:32,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 6 [2023-05-19 12:44:32,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464776456] [2023-05-19 12:44:32,978 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 12:44:32,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-19 12:44:32,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 12:44:32,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-19 12:44:32,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2023-05-19 12:44:32,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:44:32,980 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 12:44:32,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 12:44:32,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 12:44:32,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:44:32,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 12:44:32,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 12:44:32,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:44:33,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 12:44:33,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:44:33,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 12:44:33,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 12:44:33,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 12:44:33,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-19 12:44:33,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 12:44:33,233 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 12:44:33,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 12:44:33,234 INFO L85 PathProgramCache]: Analyzing trace with hash -299373005, now seen corresponding path program 6 times [2023-05-19 12:44:33,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 12:44:33,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411551236] [2023-05-19 12:44:33,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 12:44:33,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 12:44:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 12:44:34,183 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 49 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-19 12:44:34,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 12:44:34,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411551236] [2023-05-19 12:44:34,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411551236] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 12:44:34,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017143246] [2023-05-19 12:44:34,184 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 12:44:34,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 12:44:34,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 12:44:34,186 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) [2023-05-19 12:44:34,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-19 12:44:34,240 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2023-05-19 12:44:34,240 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 12:44:34,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 46 conjunts are in the unsatisfiable core [2023-05-19 12:44:34,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 12:44:35,424 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 12:44:35,424 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 84 [2023-05-19 12:44:38,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 12:44:38,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 12:44:38,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 12:44:38,867 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 12:44:38,903 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 12:44:38,903 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 40 treesize of output 82 [2023-05-19 12:44:39,421 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 15 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 12:44:39,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 12:44:43,295 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 12:44:43,296 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 209 treesize of output 355 [2023-05-19 12:44:56,958 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 12:44:57,458 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 12:44:57,564 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 12:44:57,675 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. Received shutdown request... [2023-05-19 12:57:05,366 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-19 12:57:05,368 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2023-05-19 12:57:05,383 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 [2023-05-19 12:57:05,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-19 12:57:05,388 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 12:57:05,396 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 [2023-05-19 12:57:05,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 12:57:05,573 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 51 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 6ms.. [2023-05-19 12:57:05,574 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-19 12:57:05,575 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-19 12:57:05,580 INFO L444 BasicCegarLoop]: Path program histogram: [6] [2023-05-19 12:57:05,583 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-19 12:57:05,583 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-19 12:57:05,586 INFO L202 PluginConnector]: Adding new model inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.05 12:57:05 BasicIcfg [2023-05-19 12:57:05,586 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-19 12:57:05,587 INFO L158 Benchmark]: Toolchain (without parser) took 755899.46ms. Allocated memory was 127.9MB in the beginning and 716.2MB in the end (delta: 588.3MB). Free memory was 89.8MB in the beginning and 355.8MB in the end (delta: -265.9MB). Peak memory consumption was 420.4MB. Max. memory is 8.0GB. [2023-05-19 12:57:05,587 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 127.9MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-19 12:57:05,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.56ms. Allocated memory is still 127.9MB. Free memory was 89.8MB in the beginning and 88.4MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 12:57:05,588 INFO L158 Benchmark]: Boogie Preprocessor took 15.43ms. Allocated memory is still 127.9MB. Free memory was 88.4MB in the beginning and 87.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 12:57:05,588 INFO L158 Benchmark]: RCFGBuilder took 288.98ms. Allocated memory is still 127.9MB. Free memory was 87.2MB in the beginning and 77.4MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-05-19 12:57:05,589 INFO L158 Benchmark]: TraceAbstraction took 755566.05ms. Allocated memory was 127.9MB in the beginning and 716.2MB in the end (delta: 588.3MB). Free memory was 76.2MB in the beginning and 355.8MB in the end (delta: -279.6MB). Peak memory consumption was 406.7MB. Max. memory is 8.0GB. [2023-05-19 12:57:05,590 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 0.13ms. Allocated memory is still 127.9MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.56ms. Allocated memory is still 127.9MB. Free memory was 89.8MB in the beginning and 88.4MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.43ms. Allocated memory is still 127.9MB. Free memory was 88.4MB in the beginning and 87.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 288.98ms. Allocated memory is still 127.9MB. Free memory was 87.2MB in the beginning and 77.4MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 755566.05ms. Allocated memory was 127.9MB in the beginning and 716.2MB in the end (delta: 588.3MB). Free memory was 76.2MB in the beginning and 355.8MB in the end (delta: -279.6MB). Peak memory consumption was 406.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 758, independent: 515, independent conditional: 238, independent unconditional: 277, dependent: 243, dependent conditional: 238, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 547, independent: 515, independent conditional: 238, independent unconditional: 277, dependent: 32, dependent conditional: 27, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 547, independent: 515, independent conditional: 238, independent unconditional: 277, dependent: 32, dependent conditional: 27, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 610, independent: 515, independent conditional: 3, independent unconditional: 512, dependent: 95, dependent conditional: 60, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 610, independent: 515, independent conditional: 3, independent unconditional: 512, dependent: 95, dependent conditional: 57, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 610, independent: 515, independent conditional: 3, independent unconditional: 512, dependent: 95, dependent conditional: 57, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 234, independent: 213, independent conditional: 1, independent unconditional: 212, dependent: 21, dependent conditional: 16, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 234, independent: 207, independent conditional: 0, independent unconditional: 207, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 6, independent conditional: 1, independent unconditional: 5, dependent: 21, dependent conditional: 16, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 6, independent conditional: 1, independent unconditional: 5, dependent: 21, dependent conditional: 16, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 186, independent: 78, independent conditional: 2, independent unconditional: 75, dependent: 108, dependent conditional: 60, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 610, independent: 302, independent conditional: 2, independent unconditional: 300, dependent: 74, dependent conditional: 41, dependent unconditional: 33, unknown: 234, unknown conditional: 17, unknown unconditional: 217] , Statistics on independence cache: Total cache size (in pairs): 234, Positive cache size: 213, Positive conditional cache size: 1, Positive unconditional cache size: 212, Negative cache size: 21, Negative conditional cache size: 16, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3, Maximal queried relation: 5, Independence queries for same thread: 211 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 56, Number of trivial persistent sets: 35, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 282, independent: 277, independent conditional: 0, independent unconditional: 277, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 758, independent: 515, independent conditional: 238, independent unconditional: 277, dependent: 243, dependent conditional: 238, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 547, independent: 515, independent conditional: 238, independent unconditional: 277, dependent: 32, dependent conditional: 27, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 547, independent: 515, independent conditional: 238, independent unconditional: 277, dependent: 32, dependent conditional: 27, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 610, independent: 515, independent conditional: 3, independent unconditional: 512, dependent: 95, dependent conditional: 60, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 610, independent: 515, independent conditional: 3, independent unconditional: 512, dependent: 95, dependent conditional: 57, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 610, independent: 515, independent conditional: 3, independent unconditional: 512, dependent: 95, dependent conditional: 57, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 234, independent: 213, independent conditional: 1, independent unconditional: 212, dependent: 21, dependent conditional: 16, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 234, independent: 207, independent conditional: 0, independent unconditional: 207, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 6, independent conditional: 1, independent unconditional: 5, dependent: 21, dependent conditional: 16, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 6, independent conditional: 1, independent unconditional: 5, dependent: 21, dependent conditional: 16, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 186, independent: 78, independent conditional: 2, independent unconditional: 75, dependent: 108, dependent conditional: 60, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 610, independent: 302, independent conditional: 2, independent unconditional: 300, dependent: 74, dependent conditional: 41, dependent unconditional: 33, unknown: 234, unknown conditional: 17, unknown unconditional: 217] , Statistics on independence cache: Total cache size (in pairs): 234, Positive cache size: 213, Positive conditional cache size: 1, Positive unconditional cache size: 212, Negative cache size: 21, Negative conditional cache size: 16, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3, Maximal queried relation: 5, Independence queries for same thread: 211 - TimeoutResultAtElement [Line: 62]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 51 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 6ms.. - TimeoutResultAtElement [Line: 57]: 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 51 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 6ms.. - TimeoutResultAtElement [Line: 57]: 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 51 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 6ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 41 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 755.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 270 NumberOfCodeBlocks, 270 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 337 ConstructedInterpolants, 0 QuantifiedInterpolants, 1042 SizeOfPredicates, 13 NumberOfNonLiveVariables, 231 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 198/293 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