/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/sum-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-19 13:03:59,962 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-19 13:04:00,039 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 13:04:00,060 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 13:04:00,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 13:04:00,061 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 13:04:00,061 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 13:04:00,062 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 13:04:00,062 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 13:04:00,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 13:04:00,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 13:04:00,062 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 13:04:00,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 13:04:00,063 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 13:04:00,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 13:04:00,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 13:04:00,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 13:04:00,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 13:04:00,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 13:04:00,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 13:04:00,063 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 13:04:00,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 13:04:00,064 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 13:04:00,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 13:04:00,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 13:04:00,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 13:04:00,064 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 13:04:00,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 13:04:00,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 13:04:00,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 13:04:00,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 13:04:00,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 13:04:00,065 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 13:04:00,065 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 13:04:00,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 13:04:00,065 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 13:04:00,065 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 13:04:00,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 13:04:00,065 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 13:04:00,065 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-19 13:04:00,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 13:04:00,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 13:04:00,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 13:04:00,271 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-19 13:04:00,272 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-19 13:04:00,273 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl [2023-05-19 13:04:00,273 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl' [2023-05-19 13:04:00,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 13:04:00,298 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-19 13:04:00,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 13:04:00,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 13:04:00,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 13:04:00,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 01:04:00" (1/1) ... [2023-05-19 13:04:00,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 01:04:00" (1/1) ... [2023-05-19 13:04:00,332 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-19 13:04:00,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 13:04:00,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 13:04:00,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 13:04:00,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 13:04:00,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 01:04:00" (1/1) ... [2023-05-19 13:04:00,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 01:04:00" (1/1) ... [2023-05-19 13:04:00,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 01:04:00" (1/1) ... [2023-05-19 13:04:00,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 01:04:00" (1/1) ... [2023-05-19 13:04:00,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 01:04:00" (1/1) ... [2023-05-19 13:04:00,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 01:04:00" (1/1) ... [2023-05-19 13:04:00,348 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 01:04:00" (1/1) ... [2023-05-19 13:04:00,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 01:04:00" (1/1) ... [2023-05-19 13:04:00,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 13:04:00,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 13:04:00,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 13:04:00,350 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 13:04:00,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 01:04:00" (1/1) ... [2023-05-19 13:04:00,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 13:04:00,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 13:04:00,372 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 13:04:00,377 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 13:04:00,397 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-19 13:04:00,397 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 13:04:00,397 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 13:04:00,398 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-19 13:04:00,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 13:04:00,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 13:04:00,398 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-19 13:04:00,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 13:04:00,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 13:04:00,400 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-19 13:04:00,400 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-19 13:04:00,401 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-19 13:04:00,401 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 13:04:00,435 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 13:04:00,436 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 13:04:00,511 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 13:04:00,522 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 13:04:00,522 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-19 13:04:00,524 INFO L202 PluginConnector]: Adding new model sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 01:04:00 BoogieIcfgContainer [2023-05-19 13:04:00,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 13:04:00,525 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 13:04:00,525 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 13:04:00,534 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 13:04:00,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 01:04:00" (1/2) ... [2023-05-19 13:04:00,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2810bf50 and model type sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 01:04:00, skipping insertion in model container [2023-05-19 13:04:00,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 01:04:00" (2/2) ... [2023-05-19 13:04:00,536 INFO L112 eAbstractionObserver]: Analyzing ICFG sum-fun.wvr.bpl [2023-05-19 13:04:00,541 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 13:04:00,561 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 13:04:00,562 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 13:04:00,562 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 13:04:00,587 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-19 13:04:00,635 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 13:04:00,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 13:04:00,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 13:04:00,637 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 13:04:00,641 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 13:04:00,663 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 13:04:00,674 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 13:04:00,679 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;@3d8527ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 13:04:00,679 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-19 13:04:00,784 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 13:04:00,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 13:04:00,788 INFO L85 PathProgramCache]: Analyzing trace with hash 2085514980, now seen corresponding path program 1 times [2023-05-19 13:04:00,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 13:04:00,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301930939] [2023-05-19 13:04:00,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 13:04:00,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 13:04:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 13:04:01,014 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 13:04:01,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 13:04:01,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301930939] [2023-05-19 13:04:01,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301930939] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 13:04:01,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 13:04:01,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-19 13:04:01,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391902553] [2023-05-19 13:04:01,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 13:04:01,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-19 13:04:01,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 13:04:01,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-19 13:04:01,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-05-19 13:04:01,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 13:04:01,035 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 13:04:01,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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 13:04:01,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 13:04:01,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 13:04:01,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-19 13:04:01,120 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 13:04:01,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 13:04:01,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1474931800, now seen corresponding path program 1 times [2023-05-19 13:04:01,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 13:04:01,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18946955] [2023-05-19 13:04:01,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 13:04:01,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 13:04:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 13:04:01,359 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 13:04:01,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 13:04:01,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18946955] [2023-05-19 13:04:01,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18946955] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 13:04:01,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420387826] [2023-05-19 13:04:01,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 13:04:01,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 13:04:01,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 13:04:01,364 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 13:04:01,396 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 13:04:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 13:04:01,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-19 13:04:01,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 13:04:01,600 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-19 13:04:01,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 13:04:01,767 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-19 13:04:01,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420387826] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 13:04:01,768 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 13:04:01,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 9] total 20 [2023-05-19 13:04:01,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816750693] [2023-05-19 13:04:01,769 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 13:04:01,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-05-19 13:04:01,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 13:04:01,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-05-19 13:04:01,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=263, Unknown=0, NotChecked=0, Total=380 [2023-05-19 13:04:01,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 13:04:01,773 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 13:04:01,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.75) internal successors, (75), 20 states have internal predecessors, (75), 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 13:04:01,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 13:04:01,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 13:04:02,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 13:04:02,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 13:04:02,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-19 13:04:02,209 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 13:04:02,209 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 13:04:02,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 13:04:02,210 INFO L85 PathProgramCache]: Analyzing trace with hash 436221280, now seen corresponding path program 2 times [2023-05-19 13:04:02,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 13:04:02,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017421540] [2023-05-19 13:04:02,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 13:04:02,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 13:04:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 13:04:02,973 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 13:04:02,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 13:04:02,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017421540] [2023-05-19 13:04:02,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017421540] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 13:04:02,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782647730] [2023-05-19 13:04:02,974 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 13:04:02,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 13:04:02,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 13:04:02,975 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 13:04:03,009 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 13:04:03,014 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 13:04:03,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 13:04:03,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 43 conjunts are in the unsatisfiable core [2023-05-19 13:04:03,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 13:04:03,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 13:04:03,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 13:04:03,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 13:04:03,778 INFO L356 Elim1Store]: treesize reduction 188, result has 6.5 percent of original size [2023-05-19 13:04:03,779 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 22 case distinctions, treesize of input 186 treesize of output 83 [2023-05-19 13:04:03,812 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 13:04:03,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 13:04:04,388 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 13:04:04,388 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 40 treesize of output 195 [2023-05-19 13:04:06,076 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:06,077 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:06,078 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:06,079 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:06,080 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:06,081 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:06,081 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:06,082 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:06,084 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:06,085 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:06,086 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:06,112 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 13:04:06,112 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 20 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 41 treesize of output 88 [2023-05-19 13:04:06,366 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 13:04:06,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782647730] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 13:04:06,366 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 13:04:06,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 37 [2023-05-19 13:04:06,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138494815] [2023-05-19 13:04:06,366 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 13:04:06,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-05-19 13:04:06,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 13:04:06,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-05-19 13:04:06,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=1203, Unknown=0, NotChecked=0, Total=1332 [2023-05-19 13:04:06,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 13:04:06,369 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 13:04:06,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.324324324324324) internal successors, (86), 37 states have internal predecessors, (86), 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 13:04:06,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 13:04:06,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 13:04:06,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 13:04:11,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 13:04:11,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-19 13:04:11,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-19 13:04:11,036 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 13:04:11,229 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 13:04:11,229 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 13:04:11,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 13:04:11,230 INFO L85 PathProgramCache]: Analyzing trace with hash -336185956, now seen corresponding path program 3 times [2023-05-19 13:04:11,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 13:04:11,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948572044] [2023-05-19 13:04:11,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 13:04:11,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 13:04:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 13:04:11,914 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 5 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 13:04:11,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 13:04:11,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948572044] [2023-05-19 13:04:11,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948572044] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 13:04:11,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277441713] [2023-05-19 13:04:11,914 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 13:04:11,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 13:04:11,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 13:04:11,916 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 13:04:11,916 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 13:04:11,952 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2023-05-19 13:04:11,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 13:04:11,954 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 63 conjunts are in the unsatisfiable core [2023-05-19 13:04:11,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 13:04:12,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 13:04:12,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 13:04:12,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 13:04:12,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 13:04:12,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 13:04:12,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 13:04:12,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 13:04:12,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 13:04:12,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 13:04:12,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 13:04:12,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 13:04:12,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 13:04:12,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 13:04:12,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 13:04:12,920 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 13:04:12,920 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 69 [2023-05-19 13:04:13,018 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 13:04:13,018 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 13:04:14,378 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:14,378 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:14,379 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:14,379 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:14,380 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:14,644 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 13:04:14,645 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 21 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 45 case distinctions, treesize of input 58 treesize of output 421 [2023-05-19 13:04:41,560 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,561 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,561 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,563 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,563 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,563 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,564 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,564 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,565 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,565 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,565 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,566 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,566 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,567 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,568 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,568 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,569 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,570 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,571 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,572 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,572 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,573 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,573 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,573 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,574 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,575 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,576 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,577 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,577 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,578 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,579 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:04:41,615 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 13:04:41,615 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 45 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 10 case distinctions, treesize of input 58 treesize of output 107 [2023-05-19 13:04:42,017 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 13:04:42,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277441713] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 13:04:42,018 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 13:04:42,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 22, 22] total 52 [2023-05-19 13:04:42,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181874996] [2023-05-19 13:04:42,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 13:04:42,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-05-19 13:04:42,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 13:04:42,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-05-19 13:04:42,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=2397, Unknown=0, NotChecked=0, Total=2652 [2023-05-19 13:04:42,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 13:04:42,023 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 13:04:42,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 2.0576923076923075) internal successors, (107), 52 states have internal predecessors, (107), 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 13:04:42,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 13:04:42,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-19 13:04:42,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-19 13:04:42,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 13:04:47,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 13:04:47,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 13:04:47,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-19 13:04:47,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-05-19 13:04:47,941 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 13:04:48,141 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 13:04:48,141 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 13:04:48,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 13:04:48,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1196631848, now seen corresponding path program 4 times [2023-05-19 13:04:48,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 13:04:48,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380304777] [2023-05-19 13:04:48,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 13:04:48,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 13:04:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 13:04:49,027 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 9 proven. 102 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 13:04:49,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 13:04:49,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380304777] [2023-05-19 13:04:49,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380304777] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 13:04:49,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230280409] [2023-05-19 13:04:49,028 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 13:04:49,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 13:04:49,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 13:04:49,029 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 13:04:49,030 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 13:04:49,063 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 13:04:49,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 13:04:49,064 WARN L261 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 74 conjunts are in the unsatisfiable core [2023-05-19 13:04:49,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 13:06:42,014 INFO L356 Elim1Store]: treesize reduction 286, result has 1.0 percent of original size [2023-05-19 13:06:42,015 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 188 treesize of output 102 [2023-05-19 13:06:42,153 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 105 refuted. 9 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 13:06:42,153 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 13:07:36,369 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 13:07:36,370 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 21 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 99 case distinctions, treesize of input 80 treesize of output 715 [2023-05-19 13:08:41,708 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,714 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,715 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,716 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,716 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,722 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,723 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,729 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,735 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,735 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,736 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,736 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,738 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,738 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,744 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,745 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,745 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,746 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,746 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,747 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,747 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,748 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,748 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,749 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,755 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,756 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,756 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,757 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,757 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,758 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,758 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,769 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,770 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,773 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,773 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,774 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,774 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,775 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,775 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,776 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,782 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,788 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,788 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,794 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,795 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,795 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,796 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,807 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,808 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,808 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,809 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,809 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,821 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,824 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,824 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 13:08:41,829 INFO L244 Elim1Store]: Index analysis took 121 ms [2023-05-19 13:08:42,175 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 13:08:42,176 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 104 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 16 case distinctions, treesize of input 81 treesize of output 168 [2023-05-19 13:08:43,749 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 13:08:43,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230280409] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 13:08:43,749 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 13:08:43,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22, 22] total 57 [2023-05-19 13:08:43,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811963178] [2023-05-19 13:08:43,750 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 13:08:43,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2023-05-19 13:08:43,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 13:08:43,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2023-05-19 13:08:43,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=2945, Unknown=47, NotChecked=0, Total=3192 [2023-05-19 13:08:43,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 13:08:43,761 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 13:08:43,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 2.3157894736842106) internal successors, (132), 57 states have internal predecessors, (132), 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 13:08:43,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 13:08:43,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 13:08:43,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-19 13:08:43,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-05-19 13:08:43,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 13:14:28,249 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2023-05-19 13:14:28,250 WARN L230 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-05-19 13:14:28,266 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 13:14:28,456 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 13:14:28,457 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:894) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:768) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:219) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:203) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:219) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:203) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:203) at de.uni_freiburg.informatik.ultimate.automata.partialorder.MinimalSleepSetReduction.internalSuccessors(MinimalSleepSetReduction.java:154) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$0(INwaOutgoingLetterAndTransitionProvider.java:123) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.nextLetter(NestedIterator.java:69) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.next(NestedIterator.java:94) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEachOrdered(ReferencePipeline.java:502) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:236) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:165) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.(DepthFirstTraversal.java:98) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:122) at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction.applyNewStateReduction(PersistentSetReduction.java:73) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:592) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:267) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:466) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 60 more [2023-05-19 13:14:28,460 INFO L158 Benchmark]: Toolchain (without parser) took 628161.44ms. Allocated memory was 202.4MB in the beginning and 457.2MB in the end (delta: 254.8MB). Free memory was 160.3MB in the beginning and 164.4MB in the end (delta: -4.1MB). Peak memory consumption was 251.1MB. Max. memory is 8.0GB. [2023-05-19 13:14:28,460 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 202.4MB. Free memory is still 161.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-19 13:14:28,460 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.85ms. Allocated memory is still 202.4MB. Free memory was 160.1MB in the beginning and 158.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-19 13:14:28,461 INFO L158 Benchmark]: Boogie Preprocessor took 14.93ms. Allocated memory is still 202.4MB. Free memory was 158.7MB in the beginning and 157.6MB in the end (delta: 1.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-19 13:14:28,461 INFO L158 Benchmark]: RCFGBuilder took 173.50ms. Allocated memory is still 202.4MB. Free memory was 157.5MB in the beginning and 147.8MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-05-19 13:14:28,461 INFO L158 Benchmark]: TraceAbstraction took 627934.06ms. Allocated memory was 202.4MB in the beginning and 457.2MB in the end (delta: 254.8MB). Free memory was 146.6MB in the beginning and 164.4MB in the end (delta: -17.9MB). Peak memory consumption was 237.5MB. Max. memory is 8.0GB. [2023-05-19 13:14:28,462 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.10ms. Allocated memory is still 202.4MB. Free memory is still 161.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.85ms. Allocated memory is still 202.4MB. Free memory was 160.1MB in the beginning and 158.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 14.93ms. Allocated memory is still 202.4MB. Free memory was 158.7MB in the beginning and 157.6MB in the end (delta: 1.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 173.50ms. Allocated memory is still 202.4MB. Free memory was 157.5MB in the beginning and 147.8MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 627934.06ms. Allocated memory was 202.4MB in the beginning and 457.2MB in the end (delta: 254.8MB). Free memory was 146.6MB in the beginning and 164.4MB in the end (delta: -17.9MB). Peak memory consumption was 237.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-05-19 13:14:28,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 Received shutdown request...