/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-more/mts.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 01:13:40,575 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-04 01:13:40,630 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 01:13:40,648 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 01:13:40,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 01:13:40,648 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 01:13:40,648 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 01:13:40,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 01:13:40,649 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 01:13:40,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 01:13:40,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 01:13:40,650 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 01:13:40,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 01:13:40,651 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 01:13:40,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 01:13:40,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 01:13:40,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 01:13:40,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 01:13:40,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 01:13:40,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 01:13:40,652 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 01:13:40,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 01:13:40,652 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 01:13:40,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 01:13:40,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 01:13:40,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 01:13:40,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 01:13:40,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 01:13:40,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 01:13:40,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 01:13:40,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 01:13:40,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 01:13:40,653 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 01:13:40,653 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 01:13:40,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 01:13:40,654 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 01:13:40,654 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 01:13:40,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 01:13:40,654 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 01:13:40,654 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 01:13:40,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 01:13:40,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 01:13:40,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 01:13:40,871 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-04 01:13:40,872 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-04 01:13:40,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts.wvr.bpl [2023-05-04 01:13:40,874 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts.wvr.bpl' [2023-05-04 01:13:40,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 01:13:40,899 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-04 01:13:40,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 01:13:40,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 01:13:40,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 01:13:40,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 01:13:40" (1/1) ... [2023-05-04 01:13:40,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 01:13:40" (1/1) ... [2023-05-04 01:13:40,922 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-04 01:13:40,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 01:13:40,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 01:13:40,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 01:13:40,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 01:13:40,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 01:13:40" (1/1) ... [2023-05-04 01:13:40,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 01:13:40" (1/1) ... [2023-05-04 01:13:40,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 01:13:40" (1/1) ... [2023-05-04 01:13:40,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 01:13:40" (1/1) ... [2023-05-04 01:13:40,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 01:13:40" (1/1) ... [2023-05-04 01:13:40,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 01:13:40" (1/1) ... [2023-05-04 01:13:40,938 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 01:13:40" (1/1) ... [2023-05-04 01:13:40,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 01:13:40" (1/1) ... [2023-05-04 01:13:40,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 01:13:40,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 01:13:40,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 01:13:40,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 01:13:40,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 01:13:40" (1/1) ... [2023-05-04 01:13:40,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 01:13:40,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 01:13:40,964 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 01:13:40,972 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 01:13:41,009 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-04 01:13:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 01:13:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 01:13:41,010 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-04 01:13:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 01:13:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 01:13:41,011 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-04 01:13:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 01:13:41,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 01:13:41,011 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-04 01:13:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 01:13:41,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 01:13:41,013 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 01:13:41,060 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 01:13:41,062 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 01:13:41,200 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 01:13:41,227 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 01:13:41,227 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-04 01:13:41,229 INFO L202 PluginConnector]: Adding new model mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 01:13:41 BoogieIcfgContainer [2023-05-04 01:13:41,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 01:13:41,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 01:13:41,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 01:13:41,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 01:13:41,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 01:13:40" (1/2) ... [2023-05-04 01:13:41,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ab1479 and model type mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 01:13:41, skipping insertion in model container [2023-05-04 01:13:41,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 01:13:41" (2/2) ... [2023-05-04 01:13:41,249 INFO L112 eAbstractionObserver]: Analyzing ICFG mts.wvr.bpl [2023-05-04 01:13:41,256 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 01:13:41,264 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 01:13:41,265 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 01:13:41,265 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 01:13:41,325 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-04 01:13:41,362 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 01:13:41,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 01:13:41,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 01:13:41,364 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 01:13:41,365 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 01:13:41,399 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 01:13:41,413 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 01:13:41,419 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;@ee54fa7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 01:13:41,419 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-04 01:13:41,578 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 01:13:41,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 01:13:41,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1790470521, now seen corresponding path program 1 times [2023-05-04 01:13:41,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 01:13:41,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846346318] [2023-05-04 01:13:41,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 01:13:41,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 01:13:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 01:13:45,177 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 01:13:45,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 01:13:45,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846346318] [2023-05-04 01:13:45,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846346318] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 01:13:45,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834203691] [2023-05-04 01:13:45,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 01:13:45,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 01:13:45,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 01:13:45,185 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 01:13:45,207 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 01:13:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 01:13:45,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 38 conjunts are in the unsatisfiable core [2023-05-04 01:13:45,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 01:13:47,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 01:13:47,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 01:13:48,226 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 01:13:48,227 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 330 treesize of output 658 [2023-05-04 01:13:51,886 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-04 01:14:05,655 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-04 01:14:10,956 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-04 01:14:28,980 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-04 01:14:35,683 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-04 01:14:56,707 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-05-04 01:16:11,094 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-04 01:16:55,856 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-04 01:17:14,099 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-05-04 01:18:50,264 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-05-04 01:19:11,281 WARN L233 SmtUtils]: Spent 20.97s on a formula simplification. DAG size of input: 649 DAG size of output: 624 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-05-04 01:24:55,571 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-04 01:26:05,233 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-05-04 01:26:25,123 WARN L233 SmtUtils]: Spent 19.87s on a formula simplification. DAG size of input: 632 DAG size of output: 632 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-05-04 01:28:03,009 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 01:28:03,010 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 01:28:03,011 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 01:28:03,048 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-04 01:28:03,050 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2023-05-04 01:28:03,066 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-04 01:28:03,251 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 01:28:03,252 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 31 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 37ms.. [2023-05-04 01:28:03,253 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-04 01:28:03,253 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-04 01:28:03,254 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-04 01:28:03,258 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2023-05-04 01:28:03,261 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 01:28:03,261 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 01:28:03,265 INFO L202 PluginConnector]: Adding new model mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 01:28:03 BasicIcfg [2023-05-04 01:28:03,265 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 01:28:03,267 INFO L158 Benchmark]: Toolchain (without parser) took 862367.80ms. Allocated memory was 127.9MB in the beginning and 744.5MB in the end (delta: 616.6MB). Free memory was 90.4MB in the beginning and 276.1MB in the end (delta: -185.7MB). Peak memory consumption was 439.5MB. Max. memory is 8.0GB. [2023-05-04 01:28:03,270 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 127.9MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 01:28:03,270 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.23ms. Allocated memory is still 127.9MB. Free memory was 90.4MB in the beginning and 88.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 01:28:03,271 INFO L158 Benchmark]: Boogie Preprocessor took 15.19ms. Allocated memory is still 127.9MB. Free memory was 88.7MB in the beginning and 87.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 01:28:03,271 INFO L158 Benchmark]: RCFGBuilder took 288.84ms. Allocated memory was 127.9MB in the beginning and 170.9MB in the end (delta: 43.0MB). Free memory was 87.7MB in the beginning and 145.0MB in the end (delta: -57.3MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. [2023-05-04 01:28:03,271 INFO L158 Benchmark]: TraceAbstraction took 862033.08ms. Allocated memory was 170.9MB in the beginning and 744.5MB in the end (delta: 573.6MB). Free memory was 143.8MB in the beginning and 276.1MB in the end (delta: -132.3MB). Peak memory consumption was 448.8MB. Max. memory is 8.0GB. [2023-05-04 01:28:03,277 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 127.9MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.23ms. Allocated memory is still 127.9MB. Free memory was 90.4MB in the beginning and 88.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.19ms. Allocated memory is still 127.9MB. Free memory was 88.7MB in the beginning and 87.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 288.84ms. Allocated memory was 127.9MB in the beginning and 170.9MB in the end (delta: 43.0MB). Free memory was 87.7MB in the beginning and 145.0MB in the end (delta: -57.3MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. * TraceAbstraction took 862033.08ms. Allocated memory was 170.9MB in the beginning and 744.5MB in the end (delta: 573.6MB). Free memory was 143.8MB in the beginning and 276.1MB in the end (delta: -132.3MB). Peak memory consumption was 448.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 526, independent: 488, independent conditional: 135, independent unconditional: 353, dependent: 38, dependent conditional: 38, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 488, independent: 488, independent conditional: 135, independent unconditional: 353, 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: 488, independent: 488, independent conditional: 135, independent unconditional: 353, 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: 488, independent: 488, independent conditional: 0, independent unconditional: 488, 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: 488, independent: 488, independent conditional: 0, independent unconditional: 488, 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: 488, independent: 488, independent conditional: 0, independent unconditional: 488, 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: 329, independent: 329, independent conditional: 0, independent unconditional: 329, 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: 329, independent: 327, independent conditional: 0, independent unconditional: 327, 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: 52, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 488, independent: 159, independent conditional: 0, independent unconditional: 159, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 329, unknown conditional: 0, unknown unconditional: 329] , Statistics on independence cache: Total cache size (in pairs): 329, Positive cache size: 329, Positive conditional cache size: 0, Positive unconditional cache size: 329, 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: 38 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 30, Number of trivial persistent sets: 18, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 353, independent: 353, independent conditional: 0, independent unconditional: 353, 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: 526, independent: 488, independent conditional: 135, independent unconditional: 353, dependent: 38, dependent conditional: 38, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 488, independent: 488, independent conditional: 135, independent unconditional: 353, 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: 488, independent: 488, independent conditional: 135, independent unconditional: 353, 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: 488, independent: 488, independent conditional: 0, independent unconditional: 488, 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: 488, independent: 488, independent conditional: 0, independent unconditional: 488, 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: 488, independent: 488, independent conditional: 0, independent unconditional: 488, 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: 329, independent: 329, independent conditional: 0, independent unconditional: 329, 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: 329, independent: 327, independent conditional: 0, independent unconditional: 327, 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: 52, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 488, independent: 159, independent conditional: 0, independent unconditional: 159, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 329, unknown conditional: 0, unknown unconditional: 329] , Statistics on independence cache: Total cache size (in pairs): 329, Positive cache size: 329, Positive conditional cache size: 0, Positive unconditional cache size: 329, 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: 38 - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 31 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 37ms.. - TimeoutResultAtElement [Line: 61]: 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 31 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 37ms.. - TimeoutResultAtElement [Line: 61]: 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 31 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 37ms.. - TimeoutResultAtElement [Line: 62]: 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 31 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 37ms.. - 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: 861.9s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, 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: 0, 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: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown