/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-218013a [2023-05-03 17:17:13,058 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-03 17:17:13,129 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-03 17:17:13,151 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-03 17:17:13,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-03 17:17:13,152 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-03 17:17:13,152 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-03 17:17:13,153 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-03 17:17:13,153 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-03 17:17:13,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-03 17:17:13,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-03 17:17:13,153 INFO L138 SettingsManager]: * Use SBE=true [2023-05-03 17:17:13,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-03 17:17:13,154 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-03 17:17:13,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-03 17:17:13,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-03 17:17:13,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-03 17:17:13,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-03 17:17:13,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-03 17:17:13,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-03 17:17:13,155 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-03 17:17:13,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-03 17:17:13,155 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-03 17:17:13,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-03 17:17:13,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-03 17:17:13,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-03 17:17:13,156 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-03 17:17:13,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-03 17:17:13,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 17:17:13,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-03 17:17:13,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-03 17:17:13,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-03 17:17:13,156 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-03 17:17:13,157 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-03 17:17:13,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-03 17:17:13,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-03 17:17:13,157 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-03 17:17:13,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-03 17:17:13,157 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-03 17:17:13,157 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-03 17:17:13,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-03 17:17:13,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-03 17:17:13,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-03 17:17:13,357 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-03 17:17:13,359 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-03 17:17:13,360 INFO L432 ainManager$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 [2023-05-03 17:17:13,360 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl' [2023-05-03 17:17:13,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-03 17:17:13,385 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-03 17:17:13,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-03 17:17:13,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-03 17:17:13,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-03 17:17:13,398 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 03.05 05:17:13" (1/1) ... [2023-05-03 17:17:13,407 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 03.05 05:17:13" (1/1) ... [2023-05-03 17:17:13,411 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-03 17:17:13,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-03 17:17:13,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-03 17:17:13,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-03 17:17:13,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-03 17:17:13,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 05:17:13" (1/1) ... [2023-05-03 17:17:13,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 05:17:13" (1/1) ... [2023-05-03 17:17:13,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 05:17:13" (1/1) ... [2023-05-03 17:17:13,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 05:17:13" (1/1) ... [2023-05-03 17:17:13,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 05:17:13" (1/1) ... [2023-05-03 17:17:13,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 05:17:13" (1/1) ... [2023-05-03 17:17:13,427 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 05:17:13" (1/1) ... [2023-05-03 17:17:13,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 05:17:13" (1/1) ... [2023-05-03 17:17:13,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-03 17:17:13,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-03 17:17:13,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-03 17:17:13,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-03 17:17:13,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 05:17:13" (1/1) ... [2023-05-03 17:17:13,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 17:17:13,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 17:17:13,452 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) [2023-05-03 17:17:13,456 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 [2023-05-03 17:17:13,481 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-03 17:17:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-03 17:17:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-03 17:17:13,481 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-03 17:17:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-03 17:17:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-03 17:17:13,482 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-03 17:17:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-03 17:17:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-03 17:17:13,483 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-03 17:17:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-03 17:17:13,483 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-03 17:17:13,484 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-03 17:17:13,518 INFO L235 CfgBuilder]: Building ICFG [2023-05-03 17:17:13,520 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-03 17:17:13,608 INFO L276 CfgBuilder]: Performing block encoding [2023-05-03 17:17:13,624 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-03 17:17:13,624 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-03 17:17:13,626 INFO L202 PluginConnector]: Adding new model sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 05:17:13 BoogieIcfgContainer [2023-05-03 17:17:13,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-03 17:17:13,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-03 17:17:13,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-03 17:17:13,640 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-03 17:17:13,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 05:17:13" (1/2) ... [2023-05-03 17:17:13,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d59cd and model type sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 05:17:13, skipping insertion in model container [2023-05-03 17:17:13,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 05:17:13" (2/2) ... [2023-05-03 17:17:13,652 INFO L112 eAbstractionObserver]: Analyzing ICFG sum-fun.wvr.bpl [2023-05-03 17:17:13,658 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-03 17:17:13,664 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-03 17:17:13,664 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-03 17:17:13,664 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-03 17:17:13,709 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-03 17:17:13,745 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 17:17:13,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-03 17:17:13,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 17:17:13,747 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) [2023-05-03 17:17:13,748 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 [2023-05-03 17:17:13,771 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-03 17:17:13,783 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-03 17:17:13,796 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;@3a584701, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 17:17:13,797 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-03 17:17:13,884 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)] === [2023-05-03 17:17:13,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 17:17:13,899 INFO L85 PathProgramCache]: Analyzing trace with hash 2085514980, now seen corresponding path program 1 times [2023-05-03 17:17:13,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 17:17:13,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273985954] [2023-05-03 17:17:13,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 17:17:13,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 17:17:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 17:17:14,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 17:17:14,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 17:17:14,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273985954] [2023-05-03 17:17:14,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273985954] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 17:17:14,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 17:17:14,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-03 17:17:14,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639726834] [2023-05-03 17:17:14,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 17:17:14,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-03 17:17:14,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 17:17:14,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-03 17:17:14,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-05-03 17:17:14,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 17:17:14,125 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 17:17:14,126 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) [2023-05-03 17:17:14,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 17:17:14,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 17:17:14,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-03 17:17:14,209 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)] === [2023-05-03 17:17:14,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 17:17:14,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1474931800, now seen corresponding path program 1 times [2023-05-03 17:17:14,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 17:17:14,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430421016] [2023-05-03 17:17:14,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 17:17:14,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 17:17:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 17:17:14,456 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 17:17:14,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 17:17:14,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430421016] [2023-05-03 17:17:14,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430421016] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 17:17:14,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002466704] [2023-05-03 17:17:14,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 17:17:14,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 17:17:14,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 17:17:14,458 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) [2023-05-03 17:17:14,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-03 17:17:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 17:17:14,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-03 17:17:14,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 17:17:14,670 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-03 17:17:14,670 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 17:17:14,859 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 17:17:14,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002466704] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 17:17:14,860 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 17:17:14,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 9] total 20 [2023-05-03 17:17:14,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135975006] [2023-05-03 17:17:14,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 17:17:14,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-05-03 17:17:14,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 17:17:14,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-05-03 17:17:14,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=263, Unknown=0, NotChecked=0, Total=380 [2023-05-03 17:17:14,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 17:17:14,866 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 17:17:14,867 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) [2023-05-03 17:17:14,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 17:17:14,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 17:17:15,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 17:17:15,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 17:17:15,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-03 17:17:15,318 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 [2023-05-03 17:17:15,318 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)] === [2023-05-03 17:17:15,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 17:17:15,319 INFO L85 PathProgramCache]: Analyzing trace with hash 436221280, now seen corresponding path program 2 times [2023-05-03 17:17:15,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 17:17:15,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643740550] [2023-05-03 17:17:15,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 17:17:15,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 17:17:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 17:17:16,102 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 17:17:16,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 17:17:16,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643740550] [2023-05-03 17:17:16,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643740550] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 17:17:16,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411063347] [2023-05-03 17:17:16,103 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 17:17:16,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 17:17:16,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 17:17:16,104 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) [2023-05-03 17:17:16,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-03 17:17:16,149 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 17:17:16,150 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 17:17:16,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 43 conjunts are in the unsatisfiable core [2023-05-03 17:17:16,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 17:17:16,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:16,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:16,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:16,877 INFO L356 Elim1Store]: treesize reduction 188, result has 6.5 percent of original size [2023-05-03 17:17:16,878 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 [2023-05-03 17:17:16,915 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 17:17:16,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 17:17:17,469 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 17:17:17,469 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 [2023-05-03 17:17:19,175 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:19,176 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:19,177 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:19,178 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:19,179 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:19,180 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:19,181 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:19,182 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:19,183 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:19,185 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:19,185 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:19,212 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 17:17:19,212 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 [2023-05-03 17:17:19,489 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 17:17:19,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411063347] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 17:17:19,489 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 17:17:19,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 37 [2023-05-03 17:17:19,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633120665] [2023-05-03 17:17:19,489 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 17:17:19,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-05-03 17:17:19,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 17:17:19,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-05-03 17:17:19,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=1203, Unknown=0, NotChecked=0, Total=1332 [2023-05-03 17:17:19,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 17:17:19,491 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 17:17:19,491 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) [2023-05-03 17:17:19,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 17:17:19,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-03 17:17:19,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 17:17:24,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 17:17:24,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-03 17:17:24,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-03 17:17:24,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-03 17:17:24,386 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 [2023-05-03 17:17:24,386 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)] === [2023-05-03 17:17:24,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 17:17:24,387 INFO L85 PathProgramCache]: Analyzing trace with hash -336185956, now seen corresponding path program 3 times [2023-05-03 17:17:24,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 17:17:24,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140234463] [2023-05-03 17:17:24,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 17:17:24,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 17:17:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 17:17:25,021 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 5 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 17:17:25,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 17:17:25,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140234463] [2023-05-03 17:17:25,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140234463] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 17:17:25,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048219762] [2023-05-03 17:17:25,022 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 17:17:25,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 17:17:25,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 17:17:25,023 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) [2023-05-03 17:17:25,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-03 17:17:25,053 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2023-05-03 17:17:25,053 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 17:17:25,054 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 63 conjunts are in the unsatisfiable core [2023-05-03 17:17:25,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 17:17:25,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:25,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:25,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:25,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:25,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:25,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:25,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:25,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:25,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:26,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:26,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:26,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:26,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:26,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:26,026 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 17:17:26,026 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 [2023-05-03 17:17:26,146 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 17:17:26,146 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 17:17:27,511 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:27,512 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:27,513 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:27,513 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:27,514 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:27,776 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 17:17:27,777 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 [2023-05-03 17:17:55,176 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,176 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,177 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,178 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,179 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,179 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,180 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,181 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,181 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,182 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,182 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,182 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,183 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,184 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,185 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,185 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,186 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,187 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,188 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,189 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,190 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,190 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,191 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,191 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,192 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,193 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,194 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,195 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,195 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,197 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,197 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:55,234 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 17:17:55,234 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 [2023-05-03 17:17:55,629 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 17:17:55,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1048219762] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 17:17:55,630 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 17:17:55,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 22, 22] total 52 [2023-05-03 17:17:55,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110405636] [2023-05-03 17:17:55,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 17:17:55,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-05-03 17:17:55,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 17:17:55,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-05-03 17:17:55,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=2397, Unknown=0, NotChecked=0, Total=2652 [2023-05-03 17:17:55,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 17:17:55,636 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 17:17:55,637 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) [2023-05-03 17:17:55,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 17:17:55,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-03 17:17:55,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-03 17:17:55,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 17:18:01,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 17:18:01,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 17:18:01,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-03 17:18:01,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-05-03 17:18:01,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-03 17:18:01,695 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 [2023-05-03 17:18:01,695 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)] === [2023-05-03 17:18:01,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 17:18:01,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1196631848, now seen corresponding path program 4 times [2023-05-03 17:18:01,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 17:18:01,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720212853] [2023-05-03 17:18:01,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 17:18:01,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 17:18:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 17:18:02,582 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 9 proven. 102 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 17:18:02,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 17:18:02,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720212853] [2023-05-03 17:18:02,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720212853] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 17:18:02,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105290663] [2023-05-03 17:18:02,582 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 17:18:02,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 17:18:02,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 17:18:02,583 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) [2023-05-03 17:18:02,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-03 17:18:02,619 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 17:18:02,619 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 17:18:02,620 WARN L261 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 74 conjunts are in the unsatisfiable core [2023-05-03 17:18:02,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 17:20:06,729 INFO L356 Elim1Store]: treesize reduction 286, result has 1.0 percent of original size [2023-05-03 17:20:06,730 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 [2023-05-03 17:20:06,871 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 105 refuted. 9 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 17:20:06,871 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 17:21:13,835 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 17:21:13,836 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 [2023-05-03 17:22:19,642 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,649 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,649 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,650 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,651 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,657 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,658 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,664 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,670 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,671 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,672 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,672 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,673 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,674 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,680 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,681 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,682 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,682 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,683 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,684 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,684 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,685 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,686 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,686 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,693 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,694 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,694 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,695 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,695 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,696 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,696 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,709 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,709 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,710 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,710 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,711 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,712 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,712 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,713 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,713 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,720 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,726 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,727 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,734 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,734 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,735 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,735 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,748 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,749 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,749 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,750 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,750 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,762 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,763 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,763 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:22:19,769 INFO L244 Elim1Store]: Index analysis took 127 ms [2023-05-03 17:22:20,107 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 17:22:20,107 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 [2023-05-03 17:22:21,708 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 17:22:21,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105290663] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 17:22:21,709 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 17:22:21,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22, 22] total 57 [2023-05-03 17:22:21,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500498945] [2023-05-03 17:22:21,709 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 17:22:21,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2023-05-03 17:22:21,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 17:22:21,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2023-05-03 17:22:21,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=2936, Unknown=56, NotChecked=0, Total=3192 [2023-05-03 17:22:21,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 17:22:21,711 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 17:22:21,711 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) [2023-05-03 17:22:21,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 17:22:21,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 17:22:21,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-03 17:22:21,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-05-03 17:22:21,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 17:22:44,559 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") [2023-05-03 17:22:44,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2023-05-03 17:22:44,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-03 17:22:44,760 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 [2023-05-03 17:22:44,761 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$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 60 more [2023-05-03 17:22:44,764 INFO L158 Benchmark]: Toolchain (without parser) took 331379.32ms. Allocated memory was 194.0MB in the beginning and 556.8MB in the end (delta: 362.8MB). Free memory was 152.2MB in the beginning and 266.2MB in the end (delta: -114.0MB). Peak memory consumption was 248.9MB. Max. memory is 8.0GB. [2023-05-03 17:22:44,764 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 194.0MB. Free memory is still 153.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-03 17:22:44,764 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.91ms. Allocated memory is still 194.0MB. Free memory was 152.1MB in the beginning and 150.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-03 17:22:44,765 INFO L158 Benchmark]: Boogie Preprocessor took 15.31ms. Allocated memory is still 194.0MB. Free memory was 150.5MB in the beginning and 149.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 17:22:44,765 INFO L158 Benchmark]: RCFGBuilder took 196.11ms. Allocated memory is still 194.0MB. Free memory was 149.5MB in the beginning and 139.8MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-05-03 17:22:44,765 INFO L158 Benchmark]: TraceAbstraction took 331135.42ms. Allocated memory was 194.0MB in the beginning and 556.8MB in the end (delta: 362.8MB). Free memory was 138.6MB in the beginning and 266.2MB in the end (delta: -127.6MB). Peak memory consumption was 235.3MB. Max. memory is 8.0GB. [2023-05-03 17:22:44,767 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 194.0MB. Free memory is still 153.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.91ms. Allocated memory is still 194.0MB. Free memory was 152.1MB in the beginning and 150.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.31ms. Allocated memory is still 194.0MB. Free memory was 150.5MB in the beginning and 149.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 196.11ms. Allocated memory is still 194.0MB. Free memory was 149.5MB in the beginning and 139.8MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 331135.42ms. Allocated memory was 194.0MB in the beginning and 556.8MB in the end (delta: 362.8MB). Free memory was 138.6MB in the beginning and 266.2MB in the end (delta: -127.6MB). Peak memory consumption was 235.3MB. 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. [2023-05-03 17:22:44,788 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...