/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/bench/exp2x9.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 00:08:38,055 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-04 00:08:38,205 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 00:08:38,248 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 00:08:38,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 00:08:38,249 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 00:08:38,249 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 00:08:38,250 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 00:08:38,250 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 00:08:38,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 00:08:38,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 00:08:38,251 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 00:08:38,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 00:08:38,257 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 00:08:38,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 00:08:38,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 00:08:38,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 00:08:38,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 00:08:38,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 00:08:38,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 00:08:38,258 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 00:08:38,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 00:08:38,258 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 00:08:38,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 00:08:38,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 00:08:38,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 00:08:38,260 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 00:08:38,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 00:08:38,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 00:08:38,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 00:08:38,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 00:08:38,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 00:08:38,260 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 00:08:38,261 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 00:08:38,261 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 00:08:38,261 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 00:08:38,261 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 00:08:38,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 00:08:38,261 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 00:08:38,261 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 00:08:38,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 00:08:38,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 00:08:38,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 00:08:38,590 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-04 00:08:38,605 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-04 00:08:38,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x9.wvr.bpl [2023-05-04 00:08:38,606 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x9.wvr.bpl' [2023-05-04 00:08:38,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 00:08:38,646 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-04 00:08:38,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 00:08:38,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 00:08:38,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 00:08:38,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:08:38" (1/1) ... [2023-05-04 00:08:38,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:08:38" (1/1) ... [2023-05-04 00:08:38,690 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-04 00:08:38,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 00:08:38,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 00:08:38,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 00:08:38,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 00:08:38,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:08:38" (1/1) ... [2023-05-04 00:08:38,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:08:38" (1/1) ... [2023-05-04 00:08:38,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:08:38" (1/1) ... [2023-05-04 00:08:38,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:08:38" (1/1) ... [2023-05-04 00:08:38,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:08:38" (1/1) ... [2023-05-04 00:08:38,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:08:38" (1/1) ... [2023-05-04 00:08:38,724 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:08:38" (1/1) ... [2023-05-04 00:08:38,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:08:38" (1/1) ... [2023-05-04 00:08:38,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 00:08:38,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 00:08:38,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 00:08:38,727 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 00:08:38,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:08:38" (1/1) ... [2023-05-04 00:08:38,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 00:08:38,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 00:08:38,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-04 00:08:38,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-04 00:08:38,847 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-04 00:08:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 00:08:38,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 00:08:38,848 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-04 00:08:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 00:08:38,849 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 00:08:38,850 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-04 00:08:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 00:08:38,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 00:08:38,850 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-04 00:08:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 00:08:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 00:08:38,852 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2023-05-04 00:08:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-05-04 00:08:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-05-04 00:08:38,854 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 00:08:38,900 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 00:08:38,903 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 00:08:39,089 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 00:08:39,096 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 00:08:39,096 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-04 00:08:39,098 INFO L202 PluginConnector]: Adding new model exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 12:08:39 BoogieIcfgContainer [2023-05-04 00:08:39,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 00:08:39,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 00:08:39,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 00:08:39,103 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 00:08:39,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:08:38" (1/2) ... [2023-05-04 00:08:39,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec56f8 and model type exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 12:08:39, skipping insertion in model container [2023-05-04 00:08:39,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 12:08:39" (2/2) ... [2023-05-04 00:08:39,106 INFO L112 eAbstractionObserver]: Analyzing ICFG exp2x9.wvr.bpl [2023-05-04 00:08:39,112 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 00:08:39,120 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 00:08:39,120 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 00:08:39,120 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 00:08:39,218 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-05-04 00:08:39,295 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 00:08:39,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 00:08:39,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 00:08:39,302 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 00:08:39,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-04 00:08:39,362 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 00:08:39,388 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 00:08:39,399 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;@61e7b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 00:08:39,400 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-05-04 00:08:39,691 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-04 00:08:39,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 00:08:39,700 INFO L85 PathProgramCache]: Analyzing trace with hash 2085332884, now seen corresponding path program 1 times [2023-05-04 00:08:39,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 00:08:39,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254386311] [2023-05-04 00:08:39,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 00:08:39,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 00:08:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 00:08:40,911 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-04 00:08:40,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 00:08:40,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254386311] [2023-05-04 00:08:40,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254386311] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 00:08:40,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319891347] [2023-05-04 00:08:40,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 00:08:40,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 00:08:40,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 00:08:40,916 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 00:08:40,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 00:08:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 00:08:41,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 45 conjunts are in the unsatisfiable core [2023-05-04 00:08:41,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 00:08:43,391 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 21 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 00:08:43,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 00:08:44,727 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 3 proven. 69 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-04 00:08:44,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319891347] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 00:08:44,727 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 00:08:44,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 45, 24] total 69 [2023-05-04 00:08:44,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192258250] [2023-05-04 00:08:44,730 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 00:08:44,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2023-05-04 00:08:44,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 00:08:44,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2023-05-04 00:08:44,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=4645, Unknown=0, NotChecked=0, Total=4830 [2023-05-04 00:08:44,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 00:08:44,768 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 00:08:44,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 3.1857142857142855) internal successors, (223), 69 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 00:08:44,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 00:09:07,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2023-05-04 00:09:07,114 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 00:09:07,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-05-04 00:09:07,300 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-04 00:09:07,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 00:09:07,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1145926619, now seen corresponding path program 2 times [2023-05-04 00:09:07,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 00:09:07,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697311726] [2023-05-04 00:09:07,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 00:09:07,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 00:09:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 00:09:08,000 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-05-04 00:09:08,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 00:09:08,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697311726] [2023-05-04 00:09:08,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697311726] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 00:09:08,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503943545] [2023-05-04 00:09:08,001 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 00:09:08,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 00:09:08,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 00:09:08,004 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 00:09:08,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 00:09:08,082 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 00:09:08,082 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 00:09:08,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 31 conjunts are in the unsatisfiable core [2023-05-04 00:09:08,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 00:09:08,697 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 10 proven. 99 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-04 00:09:08,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 00:09:09,158 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-05-04 00:09:09,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503943545] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 00:09:09,158 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 00:09:09,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 31, 24] total 39 [2023-05-04 00:09:09,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945637341] [2023-05-04 00:09:09,159 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 00:09:09,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-05-04 00:09:09,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 00:09:09,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-05-04 00:09:09,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=1468, Unknown=0, NotChecked=0, Total=1560 [2023-05-04 00:09:09,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 00:09:09,162 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 00:09:09,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 3.3) internal successors, (132), 39 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 00:09:09,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2023-05-04 00:09:09,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 00:09:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2023-05-04 00:09:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2023-05-04 00:09:14,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 00:09:14,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 00:09:14,539 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-04 00:09:14,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 00:09:14,540 INFO L85 PathProgramCache]: Analyzing trace with hash 312293696, now seen corresponding path program 3 times [2023-05-04 00:09:14,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 00:09:14,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618044248] [2023-05-04 00:09:14,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 00:09:14,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 00:09:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 00:09:19,411 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-04 00:09:19,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 00:09:19,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618044248] [2023-05-04 00:09:19,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618044248] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 00:09:19,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34185320] [2023-05-04 00:09:19,412 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 00:09:19,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 00:09:19,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 00:09:19,429 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 00:09:19,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 00:09:19,589 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-05-04 00:09:19,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 00:09:19,594 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 201 conjunts are in the unsatisfiable core [2023-05-04 00:09:19,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 00:15:00,635 WARN L233 SmtUtils]: Spent 7.59s on a formula simplification that was a NOOP. DAG size: 130 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 00:15:37,367 WARN L233 SmtUtils]: Spent 6.31s on a formula simplification that was a NOOP. DAG size: 133 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 00:16:26,698 WARN L233 SmtUtils]: Spent 7.38s on a formula simplification that was a NOOP. DAG size: 137 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 00:17:12,341 WARN L233 SmtUtils]: Spent 9.39s on a formula simplification that was a NOOP. DAG size: 141 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 00:18:13,900 WARN L233 SmtUtils]: Spent 10.16s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 00:19:30,064 WARN L233 SmtUtils]: Spent 13.13s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 00:20:46,077 WARN L233 SmtUtils]: Spent 10.80s on a formula simplification that was a NOOP. DAG size: 151 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 00:22:05,053 WARN L233 SmtUtils]: Spent 10.46s on a formula simplification that was a NOOP. DAG size: 155 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 00:23:33,921 WARN L233 SmtUtils]: Spent 15.03s on a formula simplification that was a NOOP. DAG size: 159 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-05-04 00:23:36,248 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 00:23:36,249 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 00:23:36,249 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 00:23:36,338 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-04 00:23:36,340 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2023-05-04 00:23:36,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 00:23:36,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 00:23:36,546 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 132 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 14 for 1ms.. [2023-05-04 00:23:36,548 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-05-04 00:23:36,548 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-05-04 00:23:36,548 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-05-04 00:23:36,549 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-05-04 00:23:36,553 INFO L444 BasicCegarLoop]: Path program histogram: [3] [2023-05-04 00:23:36,555 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 00:23:36,555 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 00:23:36,563 INFO L202 PluginConnector]: Adding new model exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 12:23:36 BasicIcfg [2023-05-04 00:23:36,563 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 00:23:36,566 INFO L158 Benchmark]: Toolchain (without parser) took 897917.77ms. Allocated memory was 166.7MB in the beginning and 357.6MB in the end (delta: 190.8MB). Free memory was 117.4MB in the beginning and 226.4MB in the end (delta: -109.0MB). Peak memory consumption was 212.0MB. Max. memory is 8.0GB. [2023-05-04 00:23:36,567 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 166.7MB. Free memory is still 118.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 00:23:36,567 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.29ms. Allocated memory is still 166.7MB. Free memory was 117.4MB in the beginning and 115.9MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-04 00:23:36,567 INFO L158 Benchmark]: Boogie Preprocessor took 32.56ms. Allocated memory is still 166.7MB. Free memory was 115.9MB in the beginning and 114.7MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 00:23:36,568 INFO L158 Benchmark]: RCFGBuilder took 371.46ms. Allocated memory was 166.7MB in the beginning and 205.5MB in the end (delta: 38.8MB). Free memory was 114.7MB in the beginning and 177.4MB in the end (delta: -62.7MB). Peak memory consumption was 16.2MB. Max. memory is 8.0GB. [2023-05-04 00:23:36,568 INFO L158 Benchmark]: TraceAbstraction took 897463.38ms. Allocated memory was 205.5MB in the beginning and 357.6MB in the end (delta: 152.0MB). Free memory was 175.8MB in the beginning and 226.4MB in the end (delta: -50.6MB). Peak memory consumption was 229.4MB. Max. memory is 8.0GB. [2023-05-04 00:23:36,570 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 0.12ms. Allocated memory is still 166.7MB. Free memory is still 118.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.29ms. Allocated memory is still 166.7MB. Free memory was 117.4MB in the beginning and 115.9MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.56ms. Allocated memory is still 166.7MB. Free memory was 115.9MB in the beginning and 114.7MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 371.46ms. Allocated memory was 166.7MB in the beginning and 205.5MB in the end (delta: 38.8MB). Free memory was 114.7MB in the beginning and 177.4MB in the end (delta: -62.7MB). Peak memory consumption was 16.2MB. Max. memory is 8.0GB. * TraceAbstraction took 897463.38ms. Allocated memory was 205.5MB in the beginning and 357.6MB in the end (delta: 152.0MB). Free memory was 175.8MB in the beginning and 226.4MB in the end (delta: -50.6MB). Peak memory consumption was 229.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6810, independent: 6423, independent conditional: 3846, independent unconditional: 2577, dependent: 387, dependent conditional: 387, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6423, independent: 6423, independent conditional: 3846, independent unconditional: 2577, 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: 6423, independent: 6423, independent conditional: 3846, independent unconditional: 2577, 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: 6423, independent: 6423, independent conditional: 0, independent unconditional: 6423, 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: 6423, independent: 6423, independent conditional: 0, independent unconditional: 6423, 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: 6423, independent: 6423, independent conditional: 0, independent unconditional: 6423, 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: 2234, independent: 2234, independent conditional: 0, independent unconditional: 2234, 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: 2234, independent: 2231, independent conditional: 0, independent unconditional: 2231, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 0, independent unconditional: 3, 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: 3, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 61, independent: 61, independent conditional: 0, independent unconditional: 61, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6423, independent: 4189, independent conditional: 0, independent unconditional: 4189, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2234, unknown conditional: 0, unknown unconditional: 2234] , Statistics on independence cache: Total cache size (in pairs): 2234, Positive cache size: 2234, Positive conditional cache size: 0, Positive unconditional cache size: 2234, 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: 387 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 129, Number of trivial persistent sets: 65, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2577, independent: 2577, independent conditional: 0, independent unconditional: 2577, 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: 6810, independent: 6423, independent conditional: 3846, independent unconditional: 2577, dependent: 387, dependent conditional: 387, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6423, independent: 6423, independent conditional: 3846, independent unconditional: 2577, 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: 6423, independent: 6423, independent conditional: 3846, independent unconditional: 2577, 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: 6423, independent: 6423, independent conditional: 0, independent unconditional: 6423, 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: 6423, independent: 6423, independent conditional: 0, independent unconditional: 6423, 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: 6423, independent: 6423, independent conditional: 0, independent unconditional: 6423, 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: 2234, independent: 2234, independent conditional: 0, independent unconditional: 2234, 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: 2234, independent: 2231, independent conditional: 0, independent unconditional: 2231, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 0, independent unconditional: 3, 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: 3, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 61, independent: 61, independent conditional: 0, independent unconditional: 61, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6423, independent: 4189, independent conditional: 0, independent unconditional: 4189, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2234, unknown conditional: 0, unknown unconditional: 2234] , Statistics on independence cache: Total cache size (in pairs): 2234, Positive cache size: 2234, Positive conditional cache size: 0, Positive unconditional cache size: 2234, 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: 387 - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 132 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 14 for 1ms.. - TimeoutResultAtElement [Line: 75]: 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 132 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 14 for 1ms.. - TimeoutResultAtElement [Line: 77]: 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 132 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 14 for 1ms.. - TimeoutResultAtElement [Line: 76]: 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 132 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 14 for 1ms.. - TimeoutResultAtElement [Line: 75]: 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 132 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 14 for 1ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 98 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 897.2s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 27.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 300, 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, 0.3s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 444 NumberOfCodeBlocks, 444 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 660 ConstructedInterpolants, 0 QuantifiedInterpolants, 3330 SizeOfPredicates, 8 NumberOfNonLiveVariables, 461 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 6 InterpolantComputations, 0 PerfectInterpolantSequences, 200/693 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