/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 ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-19 17:53:19,474 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-19 17:53:19,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-19 17:53:19,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-19 17:53:19,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-19 17:53:19,543 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 17:53:19,565 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 17:53:19,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 17:53:19,566 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 17:53:19,566 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 17:53:19,566 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 17:53:19,566 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 17:53:19,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 17:53:19,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 17:53:19,567 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 17:53:19,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 17:53:19,568 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 17:53:19,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 17:53:19,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 17:53:19,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 17:53:19,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 17:53:19,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 17:53:19,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 17:53:19,568 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 17:53:19,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 17:53:19,568 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 17:53:19,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 17:53:19,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 17:53:19,569 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 17:53:19,569 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 17:53:19,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 17:53:19,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 17:53:19,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 17:53:19,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 17:53:19,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 17:53:19,570 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 17:53:19,570 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 17:53:19,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 17:53:19,570 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 17:53:19,570 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 17:53:19,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 17:53:19,571 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 17:53:19,571 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-19 17:53:19,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 17:53:19,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 17:53:19,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 17:53:19,765 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-19 17:53:19,766 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-19 17:53:19,766 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array-hom.wvr.bpl [2023-05-19 17:53:19,767 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array-hom.wvr.bpl' [2023-05-19 17:53:19,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 17:53:19,797 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-19 17:53:19,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 17:53:19,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 17:53:19,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 17:53:19,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 05:53:19" (1/1) ... [2023-05-19 17:53:19,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 05:53:19" (1/1) ... [2023-05-19 17:53:19,827 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-19 17:53:19,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 17:53:19,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 17:53:19,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 17:53:19,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 17:53:19,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 05:53:19" (1/1) ... [2023-05-19 17:53:19,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 05:53:19" (1/1) ... [2023-05-19 17:53:19,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 05:53:19" (1/1) ... [2023-05-19 17:53:19,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 05:53:19" (1/1) ... [2023-05-19 17:53:19,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 05:53:19" (1/1) ... [2023-05-19 17:53:19,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 05:53:19" (1/1) ... [2023-05-19 17:53:19,844 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 05:53:19" (1/1) ... [2023-05-19 17:53:19,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 05:53:19" (1/1) ... [2023-05-19 17:53:19,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 17:53:19,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 17:53:19,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 17:53:19,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 17:53:19,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 05:53:19" (1/1) ... [2023-05-19 17:53:19,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 17:53:19,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:53:19,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-19 17:53:19,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-19 17:53:19,905 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-19 17:53:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 17:53:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 17:53:19,905 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-19 17:53:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 17:53:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 17:53:19,906 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-19 17:53:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 17:53:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 17:53:19,907 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-19 17:53:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-19 17:53:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-19 17:53:19,908 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-19 17:53:19,946 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 17:53:19,949 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 17:53:20,033 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 17:53:20,051 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 17:53:20,051 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-19 17:53:20,052 INFO L202 PluginConnector]: Adding new model max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 05:53:20 BoogieIcfgContainer [2023-05-19 17:53:20,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 17:53:20,054 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 17:53:20,054 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 17:53:20,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 17:53:20,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 05:53:19" (1/2) ... [2023-05-19 17:53:20,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77d6b684 and model type max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 05:53:20, skipping insertion in model container [2023-05-19 17:53:20,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 05:53:20" (2/2) ... [2023-05-19 17:53:20,074 INFO L112 eAbstractionObserver]: Analyzing ICFG max-array-hom.wvr.bpl [2023-05-19 17:53:20,078 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 17:53:20,084 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 17:53:20,084 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 17:53:20,084 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 17:53:20,115 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-19 17:53:20,168 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 17:53:20,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 17:53:20,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:53:20,171 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-19 17:53:20,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-19 17:53:20,216 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 17:53:20,227 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 17:53:20,231 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;@1e9b6036, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 17:53:20,231 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-19 17:53:20,323 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 17:53:20,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:53:20,326 INFO L85 PathProgramCache]: Analyzing trace with hash -966904902, now seen corresponding path program 1 times [2023-05-19 17:53:20,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:53:20,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433247500] [2023-05-19 17:53:20,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:53:20,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:53:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:53:20,801 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 17:53:20,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:53:20,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433247500] [2023-05-19 17:53:20,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433247500] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:53:20,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491523096] [2023-05-19 17:53:20,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:53:20,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:53:20,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:53:20,808 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 17:53:20,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-19 17:53:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:53:20,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2023-05-19 17:53:20,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:53:21,035 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-19 17:53:21,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 17:53:21,202 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-19 17:53:21,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491523096] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 17:53:21,203 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 17:53:21,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 8] total 19 [2023-05-19 17:53:21,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70481220] [2023-05-19 17:53:21,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 17:53:21,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-19 17:53:21,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:53:21,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-19 17:53:21,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2023-05-19 17:53:21,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:53:21,232 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:53:21,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.789473684210526) internal successors, (72), 19 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 17:53:21,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:53:21,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-19 17:53:21,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-19 17:53:21,984 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 [2023-05-19 17:53:21,985 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 17:53:21,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:53:21,986 INFO L85 PathProgramCache]: Analyzing trace with hash 763457732, now seen corresponding path program 2 times [2023-05-19 17:53:21,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:53:21,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245027351] [2023-05-19 17:53:21,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:53:21,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:53:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:53:22,140 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 17:53:22,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:53:22,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245027351] [2023-05-19 17:53:22,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245027351] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:53:22,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190970128] [2023-05-19 17:53:22,141 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 17:53:22,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:53:22,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:53:22,142 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 17:53:22,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-19 17:53:22,171 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 17:53:22,171 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 17:53:22,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-19 17:53:22,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:53:22,240 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 17:53:22,240 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 17:53:22,346 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:53:22,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190970128] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 17:53:22,346 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 17:53:22,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 11] total 17 [2023-05-19 17:53:22,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657622425] [2023-05-19 17:53:22,347 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 17:53:22,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-05-19 17:53:22,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:53:22,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-05-19 17:53:22,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2023-05-19 17:53:22,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:53:22,348 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:53:22,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 17 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 17:53:22,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-19 17:53:22,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:53:22,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-19 17:53:22,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-19 17:53:22,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-19 17:53:22,941 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 [2023-05-19 17:53:22,941 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 17:53:22,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:53:22,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1713001024, now seen corresponding path program 3 times [2023-05-19 17:53:22,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:53:22,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314885384] [2023-05-19 17:53:22,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:53:22,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:53:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:53:25,164 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:53:25,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:53:25,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314885384] [2023-05-19 17:53:25,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314885384] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:53:25,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381287221] [2023-05-19 17:53:25,170 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 17:53:25,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:53:25,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:53:25,189 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 17:53:25,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-19 17:53:25,233 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-05-19 17:53:25,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 17:53:25,234 WARN L261 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 45 conjunts are in the unsatisfiable core [2023-05-19 17:53:25,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:53:28,649 INFO L356 Elim1Store]: treesize reduction 32, result has 92.3 percent of original size [2023-05-19 17:53:28,650 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 3 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 52 case distinctions, treesize of input 337 treesize of output 621 [2023-05-19 17:53:29,856 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 17:53:32,137 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:53:32,896 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:53:34,133 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:53:35,955 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 17:53:38,487 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 17:53:47,809 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 17:53:50,739 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:53:51,705 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:53:54,238 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:53:56,132 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 17:54:01,543 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:54:08,568 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:54:09,588 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 17:54:13,627 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:54:16,875 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:54:24,114 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:54:30,171 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:54:33,959 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 17:54:42,979 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:54:46,283 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:55:02,151 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:55:10,067 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:55:17,602 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 17:55:25,874 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:55:29,131 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:55:38,863 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:55:43,601 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:56:10,870 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:57:03,245 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:57:18,703 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:57:22,673 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 17:57:36,669 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:57:43,454 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:57:58,709 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:58:12,207 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:58:30,082 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:58:38,691 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 17:59:05,319 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:59:12,876 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 17:59:29,101 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 17:59:48,166 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 17:59:54,777 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 18:00:05,493 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 18:00:09,836 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 18:00:12,431 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 18:00:19,504 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 18:00:26,730 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 18:00:31,633 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 18:00:41,777 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 18:00:49,713 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 18:00:53,703 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 18:01:16,976 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 18:01:42,204 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 18:02:01,196 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 18:02:20,387 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 18:02:30,986 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 18:02:39,695 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 18:02:45,399 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 18:03:40,448 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-05-19 18:04:56,463 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 18:05:23,084 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 18:05:44,572 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 18:06:17,443 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 18:07:01,443 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 18:07:13,010 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 18:07:28,553 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. Received shutdown request... [2023-05-19 18:07:49,901 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 [2023-05-19 18:07:49,940 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 18:07:49,940 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 18:07:49,945 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-19 18:07:49,947 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2023-05-19 18:07:49,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-19 18:07:50,161 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 [2023-05-19 18:07:50,161 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 35 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 54ms.. [2023-05-19 18:07:50,164 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-19 18:07:50,164 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-19 18:07:50,164 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-19 18:07:50,168 INFO L444 BasicCegarLoop]: Path program histogram: [3] [2023-05-19 18:07:50,171 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-19 18:07:50,171 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-19 18:07:50,173 INFO L202 PluginConnector]: Adding new model max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.05 06:07:50 BasicIcfg [2023-05-19 18:07:50,173 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-19 18:07:50,173 INFO L158 Benchmark]: Toolchain (without parser) took 870376.34ms. Allocated memory was 190.8MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 144.2MB in the beginning and 547.6MB in the end (delta: -403.4MB). Peak memory consumption was 783.1MB. Max. memory is 8.0GB. [2023-05-19 18:07:50,174 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 190.8MB. Free memory is still 145.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-19 18:07:50,174 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.50ms. Allocated memory is still 190.8MB. Free memory was 144.2MB in the beginning and 142.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 18:07:50,174 INFO L158 Benchmark]: Boogie Preprocessor took 18.85ms. Allocated memory is still 190.8MB. Free memory was 142.7MB in the beginning and 141.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 18:07:50,174 INFO L158 Benchmark]: RCFGBuilder took 203.36ms. Allocated memory is still 190.8MB. Free memory was 141.5MB in the beginning and 162.8MB in the end (delta: -21.4MB). Peak memory consumption was 16.1MB. Max. memory is 8.0GB. [2023-05-19 18:07:50,175 INFO L158 Benchmark]: TraceAbstraction took 870118.66ms. Allocated memory was 190.8MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 161.8MB in the beginning and 547.6MB in the end (delta: -385.8MB). Peak memory consumption was 799.4MB. Max. memory is 8.0GB. [2023-05-19 18:07:50,177 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 190.8MB. Free memory is still 145.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.50ms. Allocated memory is still 190.8MB. Free memory was 144.2MB in the beginning and 142.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.85ms. Allocated memory is still 190.8MB. Free memory was 142.7MB in the beginning and 141.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 203.36ms. Allocated memory is still 190.8MB. Free memory was 141.5MB in the beginning and 162.8MB in the end (delta: -21.4MB). Peak memory consumption was 16.1MB. Max. memory is 8.0GB. * TraceAbstraction took 870118.66ms. Allocated memory was 190.8MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 161.8MB in the beginning and 547.6MB in the end (delta: -385.8MB). Peak memory consumption was 799.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 862, independent: 740, independent conditional: 354, independent unconditional: 386, dependent: 122, dependent conditional: 122, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 740, independent: 740, independent conditional: 354, independent unconditional: 386, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 740, independent: 740, independent conditional: 354, independent unconditional: 386, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 740, independent: 740, independent conditional: 0, independent unconditional: 740, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 740, independent: 740, independent conditional: 0, independent unconditional: 740, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 740, independent: 740, independent conditional: 0, independent unconditional: 740, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 340, independent: 340, independent conditional: 0, independent unconditional: 340, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 340, independent: 338, independent conditional: 0, independent unconditional: 338, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 30, independent: 30, independent conditional: 0, independent unconditional: 30, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 740, independent: 400, independent conditional: 0, independent unconditional: 400, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 340, unknown conditional: 0, unknown unconditional: 340] , Statistics on independence cache: Total cache size (in pairs): 340, Positive cache size: 340, Positive conditional cache size: 0, Positive unconditional cache size: 340, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: 122 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 53, Number of trivial persistent sets: 23, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 386, independent: 386, independent conditional: 0, independent unconditional: 386, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 862, independent: 740, independent conditional: 354, independent unconditional: 386, dependent: 122, dependent conditional: 122, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 740, independent: 740, independent conditional: 354, independent unconditional: 386, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 740, independent: 740, independent conditional: 354, independent unconditional: 386, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 740, independent: 740, independent conditional: 0, independent unconditional: 740, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 740, independent: 740, independent conditional: 0, independent unconditional: 740, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 740, independent: 740, independent conditional: 0, independent unconditional: 740, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 340, independent: 340, independent conditional: 0, independent unconditional: 340, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 340, independent: 338, independent conditional: 0, independent unconditional: 338, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 30, independent: 30, independent conditional: 0, independent unconditional: 30, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 740, independent: 400, independent conditional: 0, independent unconditional: 400, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 340, unknown conditional: 0, unknown unconditional: 340] , Statistics on independence cache: Total cache size (in pairs): 340, Positive cache size: 340, Positive conditional cache size: 0, Positive unconditional cache size: 340, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: 122 - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 35 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 54ms.. - TimeoutResultAtElement [Line: 59]: 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 35 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 54ms.. - TimeoutResultAtElement [Line: 59]: 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 35 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 54ms.. - TimeoutResultAtElement [Line: 60]: 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 35 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 54ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 870.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 884 SizeOfPredicates, 10 NumberOfNonLiveVariables, 176 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 6 InterpolantComputations, 0 PerfectInterpolantSequences, 76/138 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