/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 true -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-19 11:02:38,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-19 11:02:38,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-19 11:02:38,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-19 11:02:38,530 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 11:02:38,562 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 11:02:38,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 11:02:38,563 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 11:02:38,563 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 11:02:38,563 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 11:02:38,563 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 11:02:38,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 11:02:38,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 11:02:38,564 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 11:02:38,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 11:02:38,565 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 11:02:38,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 11:02:38,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 11:02:38,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 11:02:38,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 11:02:38,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 11:02:38,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 11:02:38,566 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 11:02:38,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 11:02:38,566 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 11:02:38,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 11:02:38,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 11:02:38,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 11:02:38,567 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 11:02:38,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 11:02:38,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 11:02:38,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 11:02:38,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 11:02:38,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 11:02:38,568 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 11:02:38,568 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 11:02:38,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 11:02:38,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 11:02:38,569 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 11:02:38,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 11:02:38,569 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 11:02:38,569 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> true [2023-05-19 11:02:38,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 11:02:38,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 11:02:38,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 11:02:38,825 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-19 11:02:38,826 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-19 11:02:38,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl [2023-05-19 11:02:38,827 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl' [2023-05-19 11:02:38,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 11:02:38,848 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-19 11:02:38,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 11:02:38,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 11:02:38,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 11:02:38,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:02:38" (1/1) ... [2023-05-19 11:02:38,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:02:38" (1/1) ... [2023-05-19 11:02:38,868 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-19 11:02:38,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 11:02:38,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 11:02:38,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 11:02:38,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 11:02:38,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:02:38" (1/1) ... [2023-05-19 11:02:38,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:02:38" (1/1) ... [2023-05-19 11:02:38,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:02:38" (1/1) ... [2023-05-19 11:02:38,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:02:38" (1/1) ... [2023-05-19 11:02:38,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:02:38" (1/1) ... [2023-05-19 11:02:38,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:02:38" (1/1) ... [2023-05-19 11:02:38,887 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:02:38" (1/1) ... [2023-05-19 11:02:38,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:02:38" (1/1) ... [2023-05-19 11:02:38,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 11:02:38,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 11:02:38,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 11:02:38,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 11:02:38,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:02:38" (1/1) ... [2023-05-19 11:02:38,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 11:02:38,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:02:38,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-19 11:02:38,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-19 11:02:38,963 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-19 11:02:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 11:02:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 11:02:38,963 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-19 11:02:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 11:02:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 11:02:38,964 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-19 11:02:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 11:02:38,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 11:02:38,965 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-19 11:02:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-19 11:02:38,965 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-19 11:02:38,967 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-19 11:02:39,007 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 11:02:39,009 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 11:02:39,146 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 11:02:39,174 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 11:02:39,174 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-19 11:02:39,176 INFO L202 PluginConnector]: Adding new model max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 11:02:39 BoogieIcfgContainer [2023-05-19 11:02:39,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 11:02:39,178 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 11:02:39,178 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 11:02:39,195 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 11:02:39,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:02:38" (1/2) ... [2023-05-19 11:02:39,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c0bf379 and model type max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 11:02:39, skipping insertion in model container [2023-05-19 11:02:39,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 11:02:39" (2/2) ... [2023-05-19 11:02:39,198 INFO L112 eAbstractionObserver]: Analyzing ICFG max-fun.wvr.bpl [2023-05-19 11:02:39,205 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 11:02:39,234 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 11:02:39,235 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 11:02:39,235 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 11:02:39,290 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-19 11:02:39,342 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 11:02:39,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 11:02:39,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:02:39,349 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-19 11:02:39,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-19 11:02:39,414 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 11:02:39,444 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 11:02:39,455 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;@170a7ae0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 11:02:39,455 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-19 11:02:39,594 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 11:02:39,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:02:39,598 INFO L85 PathProgramCache]: Analyzing trace with hash 599280124, now seen corresponding path program 1 times [2023-05-19 11:02:39,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:02:39,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917305378] [2023-05-19 11:02:39,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:02:39,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:02:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:02:39,905 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-19 11:02:39,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:02:39,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917305378] [2023-05-19 11:02:39,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917305378] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 11:02:39,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 11:02:39,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-19 11:02:39,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100297734] [2023-05-19 11:02:39,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 11:02:39,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-19 11:02:39,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:02:39,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-19 11:02:39,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-05-19 11:02:39,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:02:39,938 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:02:39,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 11:02:39,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:02:40,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:02:40,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-19 11:02:40,053 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 11:02:40,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:02:40,053 INFO L85 PathProgramCache]: Analyzing trace with hash -742809570, now seen corresponding path program 1 times [2023-05-19 11:02:40,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:02:40,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125698301] [2023-05-19 11:02:40,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:02:40,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:02:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:02:40,197 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 11:02:40,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:02:40,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125698301] [2023-05-19 11:02:40,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125698301] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:02:40,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167445804] [2023-05-19 11:02:40,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:02:40,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:02:40,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:02:40,201 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 11:02:40,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-19 11:02:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:02:40,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-05-19 11:02:40,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:02:40,337 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 11:02:40,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:02:40,417 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 11:02:40,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167445804] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 11:02:40,418 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 11:02:40,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2023-05-19 11:02:40,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217429819] [2023-05-19 11:02:40,419 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 11:02:40,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-19 11:02:40,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:02:40,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-19 11:02:40,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-05-19 11:02:40,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:02:40,421 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:02:40,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 11:02:40,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:02:40,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:02:40,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:02:40,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 11:02:40,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-19 11:02:40,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-05-19 11:02:40,818 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 11:02:40,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:02:40,819 INFO L85 PathProgramCache]: Analyzing trace with hash 534039510, now seen corresponding path program 2 times [2023-05-19 11:02:40,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:02:40,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363302748] [2023-05-19 11:02:40,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:02:40,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:02:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:02:42,552 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:02:42,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:02:42,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363302748] [2023-05-19 11:02:42,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363302748] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:02:42,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820643151] [2023-05-19 11:02:42,554 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 11:02:42,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:02:42,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:02:42,555 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 11:02:42,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-19 11:02:42,606 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 11:02:42,607 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 11:02:42,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 34 conjunts are in the unsatisfiable core [2023-05-19 11:02:42,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:02:44,012 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 11:02:44,013 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 183 treesize of output 201 [2023-05-19 11:02:46,279 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:02:46,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:09:54,822 WARN L233 SmtUtils]: Spent 6.98m on a formula simplification that was a NOOP. DAG size: 5611 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-19 11:09:54,826 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 11:09:54,833 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 53 select indices, 53 select index equivalence classes, 1 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 1377 case distinctions, treesize of input 2171 treesize of output 12625 [2023-05-19 11:10:03,532 WARN L233 SmtUtils]: Spent 8.69s on a formula simplification. DAG size of input: 6078 DAG size of output: 6077 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-05-19 11:16:52,660 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-19 11:16:52,662 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2023-05-19 11:16:52,668 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 11:16:52,669 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 11:16:52,673 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 11:16:52,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-19 11:16:52,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:16:52,864 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 31 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 35ms.. [2023-05-19 11:16:52,865 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-19 11:16:52,865 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-19 11:16:52,866 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-19 11:16:52,870 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1] [2023-05-19 11:16:52,873 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-19 11:16:52,873 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-19 11:16:52,875 INFO L202 PluginConnector]: Adding new model max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.05 11:16:52 BasicIcfg [2023-05-19 11:16:52,875 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-19 11:16:52,876 INFO L158 Benchmark]: Toolchain (without parser) took 854027.81ms. Allocated memory was 178.3MB in the beginning and 496.0MB in the end (delta: 317.7MB). Free memory was 131.2MB in the beginning and 214.7MB in the end (delta: -83.5MB). Peak memory consumption was 289.9MB. Max. memory is 8.0GB. [2023-05-19 11:16:52,876 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.38ms. Allocated memory is still 178.3MB. Free memory is still 132.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-19 11:16:52,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.43ms. Allocated memory is still 178.3MB. Free memory was 131.1MB in the beginning and 129.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 11:16:52,877 INFO L158 Benchmark]: Boogie Preprocessor took 22.94ms. Allocated memory is still 178.3MB. Free memory was 129.6MB in the beginning and 128.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-19 11:16:52,878 INFO L158 Benchmark]: RCFGBuilder took 281.86ms. Allocated memory is still 178.3MB. Free memory was 128.4MB in the beginning and 149.4MB in the end (delta: -21.0MB). Peak memory consumption was 16.4MB. Max. memory is 8.0GB. [2023-05-19 11:16:52,878 INFO L158 Benchmark]: TraceAbstraction took 853696.85ms. Allocated memory was 178.3MB in the beginning and 496.0MB in the end (delta: 317.7MB). Free memory was 148.2MB in the beginning and 214.7MB in the end (delta: -66.5MB). Peak memory consumption was 306.0MB. Max. memory is 8.0GB. [2023-05-19 11:16:52,880 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 0.38ms. Allocated memory is still 178.3MB. Free memory is still 132.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.43ms. Allocated memory is still 178.3MB. Free memory was 131.1MB in the beginning and 129.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.94ms. Allocated memory is still 178.3MB. Free memory was 129.6MB in the beginning and 128.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 281.86ms. Allocated memory is still 178.3MB. Free memory was 128.4MB in the beginning and 149.4MB in the end (delta: -21.0MB). Peak memory consumption was 16.4MB. Max. memory is 8.0GB. * TraceAbstraction took 853696.85ms. Allocated memory was 178.3MB in the beginning and 496.0MB in the end (delta: 317.7MB). Free memory was 148.2MB in the beginning and 214.7MB in the end (delta: -66.5MB). Peak memory consumption was 306.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 682, independent: 625, independent conditional: 250, independent unconditional: 375, dependent: 57, dependent conditional: 57, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 625, independent: 625, independent conditional: 250, independent unconditional: 375, 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: 625, independent: 625, independent conditional: 250, independent unconditional: 375, 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: 625, independent: 625, independent conditional: 0, independent unconditional: 625, 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: 625, independent: 625, independent conditional: 0, independent unconditional: 625, 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: 625, independent: 625, independent conditional: 0, independent unconditional: 625, 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: 349, independent: 349, independent conditional: 0, independent unconditional: 349, 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: 349, independent: 347, independent conditional: 0, independent unconditional: 347, 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: 58, independent: 58, independent conditional: 0, independent unconditional: 58, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 625, independent: 276, independent conditional: 0, independent unconditional: 276, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 349, unknown conditional: 0, unknown unconditional: 349] , Statistics on independence cache: Total cache size (in pairs): 349, Positive cache size: 349, Positive conditional cache size: 0, Positive unconditional cache size: 349, 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: 57 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 49, Number of trivial persistent sets: 31, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 375, independent: 375, independent conditional: 0, independent unconditional: 375, 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: 682, independent: 625, independent conditional: 250, independent unconditional: 375, dependent: 57, dependent conditional: 57, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 625, independent: 625, independent conditional: 250, independent unconditional: 375, 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: 625, independent: 625, independent conditional: 250, independent unconditional: 375, 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: 625, independent: 625, independent conditional: 0, independent unconditional: 625, 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: 625, independent: 625, independent conditional: 0, independent unconditional: 625, 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: 625, independent: 625, independent conditional: 0, independent unconditional: 625, 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: 349, independent: 349, independent conditional: 0, independent unconditional: 349, 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: 349, independent: 347, independent conditional: 0, independent unconditional: 347, 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: 58, independent: 58, independent conditional: 0, independent unconditional: 58, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 625, independent: 276, independent conditional: 0, independent unconditional: 276, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 349, unknown conditional: 0, unknown unconditional: 349] , Statistics on independence cache: Total cache size (in pairs): 349, Positive cache size: 349, Positive conditional cache size: 0, Positive unconditional cache size: 349, 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: 57 - TimeoutResultAtElement [Line: 66]: 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 backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 35ms.. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 31 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 35ms.. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 31 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 35ms.. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 31 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 35ms.. - 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: 853.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.4s, 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: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 306 SizeOfPredicates, 6 NumberOfNonLiveVariables, 68 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 20/23 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