/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 true -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/nonblocking-counter-alt2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-19 11:12:39,580 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-19 11:12:39,670 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 11:12:39,701 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 11:12:39,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 11:12:39,702 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 11:12:39,702 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 11:12:39,703 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 11:12:39,703 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 11:12:39,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 11:12:39,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 11:12:39,704 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 11:12:39,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 11:12:39,705 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 11:12:39,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 11:12:39,705 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 11:12:39,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 11:12:39,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 11:12:39,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 11:12:39,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 11:12:39,705 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 11:12:39,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 11:12:39,706 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 11:12:39,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 11:12:39,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 11:12:39,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 11:12:39,707 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 11:12:39,707 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 11:12:39,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 11:12:39,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 11:12:39,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 11:12:39,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 11:12:39,708 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 11:12:39,708 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 11:12:39,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 11:12:39,708 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 11:12:39,708 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 11:12:39,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 11:12:39,709 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 11:12:39,709 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> true [2023-05-19 11:12:39,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 11:12:39,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 11:12:39,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 11:12:39,965 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-19 11:12:39,966 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-19 11:12:39,967 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/nonblocking-counter-alt2.wvr.bpl [2023-05-19 11:12:39,968 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/nonblocking-counter-alt2.wvr.bpl' [2023-05-19 11:12:39,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 11:12:39,984 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-19 11:12:39,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 11:12:39,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 11:12:39,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 11:12:40,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:12:39" (1/1) ... [2023-05-19 11:12:40,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:12:39" (1/1) ... [2023-05-19 11:12:40,014 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-19 11:12:40,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 11:12:40,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 11:12:40,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 11:12:40,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 11:12:40,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:12:39" (1/1) ... [2023-05-19 11:12:40,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:12:39" (1/1) ... [2023-05-19 11:12:40,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:12:39" (1/1) ... [2023-05-19 11:12:40,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:12:39" (1/1) ... [2023-05-19 11:12:40,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:12:39" (1/1) ... [2023-05-19 11:12:40,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:12:39" (1/1) ... [2023-05-19 11:12:40,032 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:12:39" (1/1) ... [2023-05-19 11:12:40,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:12:39" (1/1) ... [2023-05-19 11:12:40,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 11:12:40,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 11:12:40,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 11:12:40,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 11:12:40,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:12:39" (1/1) ... [2023-05-19 11:12:40,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 11:12:40,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:12:40,062 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 11:12:40,080 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 11:12:40,093 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-19 11:12:40,093 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 11:12:40,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 11:12:40,093 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-19 11:12:40,093 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 11:12:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 11:12:40,094 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-19 11:12:40,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 11:12:40,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 11:12:40,095 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 11:12:40,130 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 11:12:40,132 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 11:12:40,193 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 11:12:40,206 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 11:12:40,207 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-19 11:12:40,208 INFO L202 PluginConnector]: Adding new model nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 11:12:40 BoogieIcfgContainer [2023-05-19 11:12:40,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 11:12:40,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 11:12:40,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 11:12:40,219 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 11:12:40,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:12:39" (1/2) ... [2023-05-19 11:12:40,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69dad22b and model type nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 11:12:40, skipping insertion in model container [2023-05-19 11:12:40,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 11:12:40" (2/2) ... [2023-05-19 11:12:40,222 INFO L112 eAbstractionObserver]: Analyzing ICFG nonblocking-counter-alt2.wvr.bpl [2023-05-19 11:12:40,230 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 11:12:40,250 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 11:12:40,250 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 11:12:40,250 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 11:12:40,282 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-19 11:12:40,318 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 11:12:40,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 11:12:40,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:12:40,320 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 11:12:40,321 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 11:12:40,348 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 11:12:40,371 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 11:12:40,377 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;@463debc3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 11:12:40,377 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-19 11:12:40,489 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 11:12:40,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:12:40,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1455703965, now seen corresponding path program 1 times [2023-05-19 11:12:40,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:12:40,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306995002] [2023-05-19 11:12:40,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:12:40,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:12:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:12:40,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 11:12:40,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:12:40,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306995002] [2023-05-19 11:12:40,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306995002] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 11:12:40,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 11:12:40,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-19 11:12:40,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930696584] [2023-05-19 11:12:40,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 11:12:40,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-19 11:12:40,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:12:40,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-19 11:12:40,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-05-19 11:12:40,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:12:40,893 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:12:40,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 11:12:40,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:12:40,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:12:40,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-19 11:12:40,960 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 11:12:40,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:12:40,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1337311403, now seen corresponding path program 1 times [2023-05-19 11:12:40,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:12:40,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519542071] [2023-05-19 11:12:40,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:12:40,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:12:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:12:41,105 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 11:12:41,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:12:41,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519542071] [2023-05-19 11:12:41,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519542071] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:12:41,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365821822] [2023-05-19 11:12:41,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:12:41,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:12:41,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:12:41,117 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 11:12:41,141 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 11:12:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:12:41,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 7 conjunts are in the unsatisfiable core [2023-05-19 11:12:41,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:12:41,427 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:12:41,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:12:41,602 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:12:41,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365821822] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 11:12:41,603 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 11:12:41,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 15 [2023-05-19 11:12:41,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688031990] [2023-05-19 11:12:41,605 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 11:12:41,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-19 11:12:41,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:12:41,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-19 11:12:41,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2023-05-19 11:12:41,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:12:41,610 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:12:41,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 15 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) [2023-05-19 11:12:41,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:12:41,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:12:42,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:12:42,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-19 11:12:42,086 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 11:12:42,277 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 11:12:42,277 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 11:12:42,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:12:42,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1648709357, now seen corresponding path program 2 times [2023-05-19 11:12:42,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:12:42,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351773143] [2023-05-19 11:12:42,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:12:42,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:12:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:12:42,646 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:12:42,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:12:42,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351773143] [2023-05-19 11:12:42,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351773143] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:12:42,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396990622] [2023-05-19 11:12:42,647 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 11:12:42,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:12:42,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:12:42,649 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 11:12:42,657 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 11:12:42,679 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 11:12:42,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 11:12:42,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-19 11:12:42,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:12:43,154 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:12:43,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:12:43,498 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:12:43,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396990622] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 11:12:43,499 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 11:12:43,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 30 [2023-05-19 11:12:43,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854805127] [2023-05-19 11:12:43,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 11:12:43,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-05-19 11:12:43,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:12:43,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-05-19 11:12:43,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=683, Unknown=0, NotChecked=0, Total=870 [2023-05-19 11:12:43,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:12:43,501 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:12:43,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.2) internal successors, (66), 30 states have internal predecessors, (66), 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 11:12:43,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:12:43,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-19 11:12:43,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:12:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:12:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-19 11:12:45,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-19 11:12:45,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-19 11:12:45,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:12:45,458 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 11:12:45,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:12:45,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1772712393, now seen corresponding path program 3 times [2023-05-19 11:12:45,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:12:45,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958751784] [2023-05-19 11:12:45,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:12:45,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:12:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:12:45,695 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 22 proven. 17 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-05-19 11:12:45,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:12:45,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958751784] [2023-05-19 11:12:45,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958751784] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:12:45,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187206175] [2023-05-19 11:12:45,697 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 11:12:45,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:12:45,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:12:45,699 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 11:12:45,703 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 11:12:45,739 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2023-05-19 11:12:45,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 11:12:45,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 36 conjunts are in the unsatisfiable core [2023-05-19 11:12:45,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:12:46,714 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:12:46,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:12:47,695 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:12:47,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187206175] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 11:12:47,696 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 11:12:47,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 19, 18] total 39 [2023-05-19 11:12:47,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016706581] [2023-05-19 11:12:47,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 11:12:47,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-05-19 11:12:47,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:12:47,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-05-19 11:12:47,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=313, Invalid=1247, Unknown=0, NotChecked=0, Total=1560 [2023-05-19 11:12:47,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:12:47,699 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:12:47,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 2.2) internal successors, (88), 39 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 11:12:47,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:12:47,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-19 11:12:47,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-19 11:12:47,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:12:49,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:12:49,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-19 11:12:49,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-19 11:12:49,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-19 11:12:49,865 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 11:12:50,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:12:50,051 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 11:12:50,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:12:50,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1655628869, now seen corresponding path program 4 times [2023-05-19 11:12:50,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:12:50,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208955473] [2023-05-19 11:12:50,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:12:50,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:12:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:12:50,433 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 54 proven. 40 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-05-19 11:12:50,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:12:50,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208955473] [2023-05-19 11:12:50,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208955473] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:12:50,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728699009] [2023-05-19 11:12:50,434 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 11:12:50,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:12:50,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:12:50,435 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 11:12:50,441 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 11:12:50,496 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 11:12:50,496 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 11:12:50,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 54 conjunts are in the unsatisfiable core [2023-05-19 11:12:50,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:12:51,900 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 10 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:12:51,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:12:54,330 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 10 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:12:54,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728699009] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 11:12:54,330 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 11:12:54,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 24, 24] total 51 [2023-05-19 11:12:54,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404696739] [2023-05-19 11:12:54,331 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 11:12:54,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-05-19 11:12:54,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:12:54,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-05-19 11:12:54,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=550, Invalid=2102, Unknown=0, NotChecked=0, Total=2652 [2023-05-19 11:12:54,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:12:54,333 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:12:54,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 2.1923076923076925) internal successors, (114), 51 states have internal predecessors, (114), 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 11:12:54,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:12:54,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-19 11:12:54,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-19 11:12:54,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-19 11:12:54,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:12:58,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:12:58,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-19 11:12:58,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-19 11:12:58,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-19 11:12:58,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-19 11:12:58,733 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 11:12:58,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:12:58,916 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 11:12:58,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:12:58,917 INFO L85 PathProgramCache]: Analyzing trace with hash -2032168577, now seen corresponding path program 5 times [2023-05-19 11:12:58,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:12:58,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130441867] [2023-05-19 11:12:58,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:12:58,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:12:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:13:00,010 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-05-19 11:13:00,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:13:00,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130441867] [2023-05-19 11:13:00,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130441867] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:13:00,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470041849] [2023-05-19 11:13:00,011 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 11:13:00,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:13:00,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:13:00,013 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 11:13:00,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-19 11:13:00,068 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2023-05-19 11:13:00,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 11:13:00,070 WARN L261 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 59 conjunts are in the unsatisfiable core [2023-05-19 11:13:00,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:13:01,670 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:13:01,671 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:13:05,815 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:13:05,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470041849] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 11:13:05,816 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 11:13:05,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 23, 24] total 57 [2023-05-19 11:13:05,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309270957] [2023-05-19 11:13:05,816 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 11:13:05,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2023-05-19 11:13:05,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:13:05,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2023-05-19 11:13:05,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=2562, Unknown=0, NotChecked=0, Total=3192 [2023-05-19 11:13:05,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:13:05,818 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:13:05,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 2.1228070175438596) internal successors, (121), 57 states have internal predecessors, (121), 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 11:13:05,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:13:05,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-19 11:13:05,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-19 11:13:05,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-19 11:13:05,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-19 11:13:05,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:13:20,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:13:20,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-19 11:13:20,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-19 11:13:20,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-19 11:13:20,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-19 11:13:20,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-05-19 11:13:20,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-19 11:13:20,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:13:20,672 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 11:13:20,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:13:20,672 INFO L85 PathProgramCache]: Analyzing trace with hash 85037451, now seen corresponding path program 6 times [2023-05-19 11:13:20,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:13:20,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440723405] [2023-05-19 11:13:20,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:13:20,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:13:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:13:22,012 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 199 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-05-19 11:13:22,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:13:22,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440723405] [2023-05-19 11:13:22,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440723405] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:13:22,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142802015] [2023-05-19 11:13:22,013 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 11:13:22,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:13:22,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:13:22,014 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 11:13:22,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-19 11:13:22,063 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2023-05-19 11:13:22,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 11:13:22,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 52 conjunts are in the unsatisfiable core [2023-05-19 11:13:22,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:13:23,282 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:13:23,282 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:13:28,561 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 2 proven. 263 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:13:28,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142802015] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 11:13:28,562 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 11:13:28,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 26, 27] total 66 [2023-05-19 11:13:28,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910574829] [2023-05-19 11:13:28,562 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 11:13:28,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2023-05-19 11:13:28,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:13:28,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2023-05-19 11:13:28,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=785, Invalid=3505, Unknown=0, NotChecked=0, Total=4290 [2023-05-19 11:13:28,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:13:28,565 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:13:28,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 2.1818181818181817) internal successors, (144), 66 states have internal predecessors, (144), 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 11:13:28,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:13:28,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-19 11:13:28,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-19 11:13:28,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-19 11:13:28,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-19 11:13:28,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-05-19 11:13:28,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:13:40,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:13:40,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-19 11:13:40,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-19 11:13:40,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-19 11:13:40,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-19 11:13:40,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-05-19 11:13:40,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-05-19 11:13:40,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-19 11:13:41,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:13:41,018 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 11:13:41,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:13:41,019 INFO L85 PathProgramCache]: Analyzing trace with hash -921689855, now seen corresponding path program 7 times [2023-05-19 11:13:41,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:13:41,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263755331] [2023-05-19 11:13:41,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:13:41,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:13:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:13:45,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1354 backedges. 73 proven. 647 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2023-05-19 11:13:45,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:13:45,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263755331] [2023-05-19 11:13:45,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263755331] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:13:45,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398549950] [2023-05-19 11:13:45,652 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-19 11:13:45,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:13:45,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:13:45,653 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 11:13:45,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-19 11:13:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:13:45,756 WARN L261 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 167 conjunts are in the unsatisfiable core [2023-05-19 11:13:45,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:13:50,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1354 backedges. 0 proven. 1354 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:13:50,884 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:19:08,430 WARN L233 SmtUtils]: Spent 52.35s on a formula simplification that was a NOOP. DAG size: 212 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 11:23:02,985 WARN L233 SmtUtils]: Spent 1.14m on a formula simplification that was a NOOP. DAG size: 205 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 11:23:03,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1354 backedges. 2 proven. 1352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:23:03,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398549950] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 11:23:03,013 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 11:23:03,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 58, 59] total 134 [2023-05-19 11:23:03,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754018028] [2023-05-19 11:23:03,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 11:23:03,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 134 states [2023-05-19 11:23:03,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:23:03,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2023-05-19 11:23:03,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3190, Invalid=14632, Unknown=0, NotChecked=0, Total=17822 [2023-05-19 11:23:03,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:23:03,018 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:23:03,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 134 states, 134 states have (on average 2.044776119402985) internal successors, (274), 134 states have internal predecessors, (274), 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 11:23:03,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:23:03,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-19 11:23:03,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-19 11:23:03,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-19 11:23:03,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-19 11:23:03,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-05-19 11:23:03,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-05-19 11:23:03,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:25:17,257 WARN L233 SmtUtils]: Spent 2.19m on a formula simplification. DAG size of input: 255 DAG size of output: 241 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-05-19 11:26:57,155 WARN L249 SmtUtils]: Removed 17 from assertion stack [2023-05-19 11:26:57,172 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 11:26:57,172 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 11:26:57,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-19 11:26:57,173 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 11:26:57,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-05-19 11:26:57,355 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 251 for 97258ms.. [2023-05-19 11:26:57,358 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2023-05-19 11:26:57,358 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-19 11:26:57,358 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-19 11:26:57,362 INFO L444 BasicCegarLoop]: Path program histogram: [7, 1] [2023-05-19 11:26:57,364 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-19 11:26:57,364 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-19 11:26:57,366 INFO L202 PluginConnector]: Adding new model nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.05 11:26:57 BasicIcfg [2023-05-19 11:26:57,366 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-19 11:26:57,367 INFO L158 Benchmark]: Toolchain (without parser) took 857382.32ms. Allocated memory was 220.2MB in the beginning and 602.9MB in the end (delta: 382.7MB). Free memory was 175.9MB in the beginning and 220.9MB in the end (delta: -45.0MB). Peak memory consumption was 338.8MB. Max. memory is 8.0GB. [2023-05-19 11:26:57,367 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.39ms. Allocated memory is still 220.2MB. Free memory is still 176.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-19 11:26:57,367 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.17ms. Allocated memory is still 220.2MB. Free memory was 175.8MB in the beginning and 174.3MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 11:26:57,367 INFO L158 Benchmark]: Boogie Preprocessor took 17.11ms. Allocated memory is still 220.2MB. Free memory was 174.3MB in the beginning and 173.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 11:26:57,369 INFO L158 Benchmark]: RCFGBuilder took 173.63ms. Allocated memory is still 220.2MB. Free memory was 173.2MB in the beginning and 164.1MB in the end (delta: 9.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-05-19 11:26:57,369 INFO L158 Benchmark]: TraceAbstraction took 857155.53ms. Allocated memory was 220.2MB in the beginning and 602.9MB in the end (delta: 382.7MB). Free memory was 162.9MB in the beginning and 220.9MB in the end (delta: -57.9MB). Peak memory consumption was 325.2MB. Max. memory is 8.0GB. [2023-05-19 11:26:57,370 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 0.39ms. Allocated memory is still 220.2MB. Free memory is still 176.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.17ms. Allocated memory is still 220.2MB. Free memory was 175.8MB in the beginning and 174.3MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.11ms. Allocated memory is still 220.2MB. Free memory was 174.3MB in the beginning and 173.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 173.63ms. Allocated memory is still 220.2MB. Free memory was 173.2MB in the beginning and 164.1MB in the end (delta: 9.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 857155.53ms. Allocated memory was 220.2MB in the beginning and 602.9MB in the end (delta: 382.7MB). Free memory was 162.9MB in the beginning and 220.9MB in the end (delta: -57.9MB). Peak memory consumption was 325.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1400, independent: 999, independent conditional: 874, independent unconditional: 125, dependent: 401, dependent conditional: 399, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1015, independent: 999, independent conditional: 874, independent unconditional: 125, dependent: 16, dependent conditional: 14, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1015, independent: 999, independent conditional: 874, independent unconditional: 125, dependent: 16, dependent conditional: 14, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1065, independent: 999, independent conditional: 0, independent unconditional: 999, dependent: 66, dependent conditional: 50, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1065, independent: 999, independent conditional: 0, independent unconditional: 999, dependent: 66, dependent conditional: 50, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1065, independent: 999, independent conditional: 0, independent unconditional: 999, dependent: 66, dependent conditional: 50, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 136, independent: 114, independent conditional: 0, independent unconditional: 114, dependent: 22, dependent conditional: 20, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 136, independent: 113, independent conditional: 0, independent unconditional: 113, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 23, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 22, dependent conditional: 20, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 22, dependent conditional: 20, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, independent: 29, independent conditional: 0, independent unconditional: 29, dependent: 59, dependent conditional: 46, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1065, independent: 885, independent conditional: 0, independent unconditional: 885, dependent: 44, dependent conditional: 30, dependent unconditional: 14, unknown: 136, unknown conditional: 20, unknown unconditional: 116] , Statistics on independence cache: Total cache size (in pairs): 136, Positive cache size: 114, Positive conditional cache size: 0, Positive unconditional cache size: 114, Negative cache size: 22, Negative conditional cache size: 20, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 6, Independence queries for same thread: 385 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 36, Number of trivial persistent sets: 27, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 127, independent: 125, independent conditional: 0, independent unconditional: 125, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1400, independent: 999, independent conditional: 874, independent unconditional: 125, dependent: 401, dependent conditional: 399, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1015, independent: 999, independent conditional: 874, independent unconditional: 125, dependent: 16, dependent conditional: 14, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1015, independent: 999, independent conditional: 874, independent unconditional: 125, dependent: 16, dependent conditional: 14, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1065, independent: 999, independent conditional: 0, independent unconditional: 999, dependent: 66, dependent conditional: 50, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1065, independent: 999, independent conditional: 0, independent unconditional: 999, dependent: 66, dependent conditional: 50, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1065, independent: 999, independent conditional: 0, independent unconditional: 999, dependent: 66, dependent conditional: 50, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 136, independent: 114, independent conditional: 0, independent unconditional: 114, dependent: 22, dependent conditional: 20, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 136, independent: 113, independent conditional: 0, independent unconditional: 113, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 23, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 22, dependent conditional: 20, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 22, dependent conditional: 20, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, independent: 29, independent conditional: 0, independent unconditional: 29, dependent: 59, dependent conditional: 46, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1065, independent: 885, independent conditional: 0, independent unconditional: 885, dependent: 44, dependent conditional: 30, dependent unconditional: 14, unknown: 136, unknown conditional: 20, unknown unconditional: 116] , Statistics on independence cache: Total cache size (in pairs): 136, Positive cache size: 114, Positive conditional cache size: 0, Positive unconditional cache size: 114, Negative cache size: 22, Negative conditional cache size: 20, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 6, Independence queries for same thread: 385 - TimeoutResultAtElement [Line: 51]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 251 for 97258ms.. - TimeoutResultAtElement [Line: 46]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 251 for 97258ms.. - TimeoutResultAtElement [Line: 46]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 251 for 97258ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 32 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 857.0s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 270.0s, 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: 398, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 584.7s InterpolantComputationTime, 759 NumberOfCodeBlocks, 759 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 1108 ConstructedInterpolants, 0 QuantifiedInterpolants, 70195 SizeOfPredicates, 58 NumberOfNonLiveVariables, 868 ConjunctsInSsa, 391 ConjunctsInUnsatCore, 22 InterpolantComputations, 1 PerfectInterpolantSequences, 1065/6160 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