/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 X --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 00:45:08,943 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-04 00:45:09,036 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 00:45:09,069 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 00:45:09,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 00:45:09,070 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 00:45:09,070 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 00:45:09,071 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 00:45:09,071 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 00:45:09,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 00:45:09,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 00:45:09,072 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 00:45:09,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 00:45:09,073 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 00:45:09,073 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 00:45:09,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 00:45:09,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 00:45:09,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 00:45:09,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 00:45:09,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 00:45:09,074 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 00:45:09,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 00:45:09,074 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 00:45:09,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 00:45:09,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 00:45:09,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 00:45:09,076 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 00:45:09,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 00:45:09,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 00:45:09,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 00:45:09,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 00:45:09,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 00:45:09,077 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 00:45:09,077 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 00:45:09,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 00:45:09,077 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 00:45:09,077 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 00:45:09,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 00:45:09,077 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 00:45:09,078 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 00:45:09,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 00:45:09,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 00:45:09,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 00:45:09,301 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-04 00:45:09,302 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-04 00:45:09,303 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl [2023-05-04 00:45:09,303 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl' [2023-05-04 00:45:09,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 00:45:09,328 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-04 00:45:09,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 00:45:09,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 00:45:09,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 00:45:09,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:45:09" (1/1) ... [2023-05-04 00:45:09,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:45:09" (1/1) ... [2023-05-04 00:45:09,354 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-04 00:45:09,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 00:45:09,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 00:45:09,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 00:45:09,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 00:45:09,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:45:09" (1/1) ... [2023-05-04 00:45:09,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:45:09" (1/1) ... [2023-05-04 00:45:09,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:45:09" (1/1) ... [2023-05-04 00:45:09,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:45:09" (1/1) ... [2023-05-04 00:45:09,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:45:09" (1/1) ... [2023-05-04 00:45:09,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:45:09" (1/1) ... [2023-05-04 00:45:09,370 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:45:09" (1/1) ... [2023-05-04 00:45:09,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:45:09" (1/1) ... [2023-05-04 00:45:09,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 00:45:09,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 00:45:09,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 00:45:09,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 00:45:09,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:45:09" (1/1) ... [2023-05-04 00:45:09,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 00:45:09,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 00:45:09,398 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) [2023-05-04 00:45:09,404 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 [2023-05-04 00:45:09,426 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-04 00:45:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 00:45:09,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 00:45:09,426 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-04 00:45:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 00:45:09,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 00:45:09,427 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-04 00:45:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 00:45:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 00:45:09,427 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-04 00:45:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 00:45:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 00:45:09,428 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 00:45:09,473 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 00:45:09,475 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 00:45:09,639 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 00:45:09,658 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 00:45:09,658 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-04 00:45:09,660 INFO L202 PluginConnector]: Adding new model three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 12:45:09 BoogieIcfgContainer [2023-05-04 00:45:09,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 00:45:09,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 00:45:09,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 00:45:09,666 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 00:45:09,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:45:09" (1/2) ... [2023-05-04 00:45:09,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f0cbfde and model type three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 12:45:09, skipping insertion in model container [2023-05-04 00:45:09,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 12:45:09" (2/2) ... [2023-05-04 00:45:09,668 INFO L112 eAbstractionObserver]: Analyzing ICFG three-array-min.wvr.bpl [2023-05-04 00:45:09,675 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 00:45:09,683 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 00:45:09,683 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 00:45:09,683 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 00:45:09,739 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-04 00:45:09,798 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 00:45:09,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 00:45:09,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 00:45:09,800 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) [2023-05-04 00:45:09,820 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 [2023-05-04 00:45:09,844 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 00:45:09,863 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 00:45:09,868 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;@32e05ef1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 00:45:09,869 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-04 00:45:10,054 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)] === [2023-05-04 00:45:10,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 00:45:10,061 INFO L85 PathProgramCache]: Analyzing trace with hash 794545604, now seen corresponding path program 1 times [2023-05-04 00:45:10,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 00:45:10,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51697750] [2023-05-04 00:45:10,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 00:45:10,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 00:45:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 00:45:10,447 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-04 00:45:10,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 00:45:10,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51697750] [2023-05-04 00:45:10,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51697750] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 00:45:10,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190225935] [2023-05-04 00:45:10,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 00:45:10,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 00:45:10,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 00:45:10,451 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) [2023-05-04 00:45:10,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 00:45:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 00:45:10,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2023-05-04 00:45:10,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 00:45:10,695 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 00:45:10,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 00:45:10,819 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 00:45:10,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190225935] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 00:45:10,820 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 00:45:10,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 10 [2023-05-04 00:45:10,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132190707] [2023-05-04 00:45:10,823 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 00:45:10,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-04 00:45:10,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 00:45:10,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-04 00:45:10,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-05-04 00:45:10,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 00:45:10,849 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 00:45:10,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 10 states have internal predecessors, (57), 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) [2023-05-04 00:45:10,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 00:45:11,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 00:45:11,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 00:45:11,361 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,SelfDestructingSolverStorable0 [2023-05-04 00:45:11,361 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)] === [2023-05-04 00:45:11,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 00:45:11,362 INFO L85 PathProgramCache]: Analyzing trace with hash 129884364, now seen corresponding path program 2 times [2023-05-04 00:45:11,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 00:45:11,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133624953] [2023-05-04 00:45:11,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 00:45:11,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 00:45:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 00:45:11,546 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 00:45:11,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 00:45:11,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133624953] [2023-05-04 00:45:11,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133624953] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 00:45:11,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636767977] [2023-05-04 00:45:11,547 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 00:45:11,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 00:45:11,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 00:45:11,549 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) [2023-05-04 00:45:11,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 00:45:11,629 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 00:45:11,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 00:45:11,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2023-05-04 00:45:11,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 00:45:11,712 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 00:45:11,712 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 00:45:11,800 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 00:45:11,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636767977] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 00:45:11,801 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 00:45:11,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2023-05-04 00:45:11,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046855860] [2023-05-04 00:45:11,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 00:45:11,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-04 00:45:11,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 00:45:11,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-04 00:45:11,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-05-04 00:45:11,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 00:45:11,806 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 00:45:11,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 8 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 00:45:11,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 00:45:11,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 00:45:11,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 00:45:11,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 00:45:11,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-04 00:45:12,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 00:45:12,169 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)] === [2023-05-04 00:45:12,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 00:45:12,170 INFO L85 PathProgramCache]: Analyzing trace with hash 152250934, now seen corresponding path program 3 times [2023-05-04 00:45:12,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 00:45:12,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326549204] [2023-05-04 00:45:12,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 00:45:12,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 00:45:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 00:46:16,046 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 00:46:16,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 00:46:16,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326549204] [2023-05-04 00:46:16,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326549204] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 00:46:16,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716751010] [2023-05-04 00:46:16,047 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 00:46:16,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 00:46:16,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 00:46:16,048 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) [2023-05-04 00:46:16,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 00:46:16,099 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-05-04 00:46:16,099 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 00:46:16,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 46 conjunts are in the unsatisfiable core [2023-05-04 00:46:16,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 00:46:16,875 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2023-05-04 00:46:20,799 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2023-05-04 00:46:20,800 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 28 [2023-05-04 00:46:34,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 00:46:34,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 00:48:11,733 WARN L233 SmtUtils]: Spent 1.63m on a formula simplification that was a NOOP. DAG size: 3382 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-04 00:48:11,736 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 00:48:11,739 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 41 select indices, 41 select index equivalence classes, 4 disjoint index pairs (out of 820 index pairs), introduced 41 new quantified variables, introduced 816 case distinctions, treesize of input 1978 treesize of output 8162 [2023-05-04 00:49:23,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 00:49:36,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 00:49:45,707 INFO L244 Elim1Store]: Index analysis took 91975 ms [2023-05-04 00:52:49,902 WARN L233 SmtUtils]: Spent 3.07m on a formula simplification that was a NOOP. DAG size: 3382 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-04 00:52:49,903 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 00:52:49,906 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 41 select indices, 41 select index equivalence classes, 4 disjoint index pairs (out of 820 index pairs), introduced 41 new quantified variables, introduced 816 case distinctions, treesize of input 1486 treesize of output 7900 [2023-05-04 00:52:54,616 INFO L244 Elim1Store]: Index analysis took 104 ms [2023-05-04 00:52:55,508 INFO L356 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2023-05-04 00:52:55,509 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 49 Received shutdown request... [2023-05-04 00:59:23,580 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 00:59:23,583 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-04 00:59:23,585 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2023-05-04 00:59:23,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-05-04 00:59:23,606 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 00:59:23,606 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 00:59:23,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 00:59:23,787 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 41 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 66ms.. [2023-05-04 00:59:23,788 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-04 00:59:23,788 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-04 00:59:23,789 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-04 00:59:23,793 INFO L444 BasicCegarLoop]: Path program histogram: [3] [2023-05-04 00:59:23,795 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 00:59:23,795 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 00:59:23,797 INFO L202 PluginConnector]: Adding new model three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 12:59:23 BasicIcfg [2023-05-04 00:59:23,797 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 00:59:23,798 INFO L158 Benchmark]: Toolchain (without parser) took 854470.00ms. Allocated memory was 210.8MB in the beginning and 641.7MB in the end (delta: 431.0MB). Free memory was 168.3MB in the beginning and 243.9MB in the end (delta: -75.6MB). Peak memory consumption was 379.4MB. Max. memory is 8.0GB. [2023-05-04 00:59:23,798 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 210.8MB. Free memory is still 169.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 00:59:23,799 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.80ms. Allocated memory is still 210.8MB. Free memory was 168.3MB in the beginning and 166.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 00:59:23,799 INFO L158 Benchmark]: Boogie Preprocessor took 15.06ms. Allocated memory is still 210.8MB. Free memory was 166.9MB in the beginning and 165.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 00:59:23,799 INFO L158 Benchmark]: RCFGBuilder took 287.95ms. Allocated memory is still 210.8MB. Free memory was 165.9MB in the beginning and 154.7MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-05-04 00:59:23,800 INFO L158 Benchmark]: TraceAbstraction took 854135.02ms. Allocated memory was 210.8MB in the beginning and 641.7MB in the end (delta: 431.0MB). Free memory was 153.3MB in the beginning and 243.9MB in the end (delta: -90.7MB). Peak memory consumption was 364.7MB. Max. memory is 8.0GB. [2023-05-04 00:59:23,801 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13ms. Allocated memory is still 210.8MB. Free memory is still 169.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.80ms. Allocated memory is still 210.8MB. Free memory was 168.3MB in the beginning and 166.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.06ms. Allocated memory is still 210.8MB. Free memory was 166.9MB in the beginning and 165.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 287.95ms. Allocated memory is still 210.8MB. Free memory was 165.9MB in the beginning and 154.7MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 854135.02ms. Allocated memory was 210.8MB in the beginning and 641.7MB in the end (delta: 431.0MB). Free memory was 153.3MB in the beginning and 243.9MB in the end (delta: -90.7MB). Peak memory consumption was 364.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1044, independent: 896, independent conditional: 473, independent unconditional: 423, dependent: 148, dependent conditional: 145, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 899, independent: 896, independent conditional: 473, independent unconditional: 423, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 899, independent: 896, independent conditional: 473, independent unconditional: 423, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 899, independent: 896, independent conditional: 0, independent unconditional: 896, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 899, independent: 896, independent conditional: 0, independent unconditional: 896, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 899, independent: 896, independent conditional: 0, independent unconditional: 896, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 388, independent: 385, independent conditional: 0, independent unconditional: 385, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 388, independent: 383, independent conditional: 0, independent unconditional: 383, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, independent: 65, independent conditional: 0, independent unconditional: 65, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 899, independent: 511, independent conditional: 0, independent unconditional: 511, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 388, unknown conditional: 0, unknown unconditional: 388] , Statistics on independence cache: Total cache size (in pairs): 388, Positive cache size: 385, Positive conditional cache size: 0, Positive unconditional cache size: 385, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 145 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 38, Number of trivial persistent sets: 26, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 426, independent: 423, independent conditional: 0, independent unconditional: 423, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1044, independent: 896, independent conditional: 473, independent unconditional: 423, dependent: 148, dependent conditional: 145, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 899, independent: 896, independent conditional: 473, independent unconditional: 423, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 899, independent: 896, independent conditional: 473, independent unconditional: 423, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 899, independent: 896, independent conditional: 0, independent unconditional: 896, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 899, independent: 896, independent conditional: 0, independent unconditional: 896, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 899, independent: 896, independent conditional: 0, independent unconditional: 896, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 388, independent: 385, independent conditional: 0, independent unconditional: 385, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 388, independent: 383, independent conditional: 0, independent unconditional: 383, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, independent: 65, independent conditional: 0, independent unconditional: 65, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 899, independent: 511, independent conditional: 0, independent unconditional: 511, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 388, unknown conditional: 0, unknown unconditional: 388] , Statistics on independence cache: Total cache size (in pairs): 388, Positive cache size: 385, Positive conditional cache size: 0, Positive unconditional cache size: 385, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 145 - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 41 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 66ms.. - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 41 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 66ms.. - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 41 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 66ms.. - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 41 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 66ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 854.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 201 ConstructedInterpolants, 0 QuantifiedInterpolants, 801 SizeOfPredicates, 4 NumberOfNonLiveVariables, 198 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 6 InterpolantComputations, 0 PerfectInterpolantSequences, 22/111 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown