java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/concurrentBoogie/example1.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 09:52:10,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 09:52:10,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 09:52:10,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 09:52:10,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 09:52:10,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 09:52:10,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 09:52:10,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 09:52:10,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 09:52:10,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 09:52:10,853 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 09:52:10,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 09:52:10,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 09:52:10,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 09:52:10,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 09:52:10,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 09:52:10,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 09:52:10,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 09:52:10,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 09:52:10,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 09:52:10,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 09:52:10,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 09:52:10,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 09:52:10,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 09:52:10,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 09:52:10,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 09:52:10,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 09:52:10,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 09:52:10,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 09:52:10,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 09:52:10,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 09:52:10,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 09:52:10,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 09:52:10,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 09:52:10,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 09:52:10,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 09:52:10,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 09:52:10,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 09:52:10,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 09:52:10,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 09:52:10,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 09:52:10,913 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 09:52:10,931 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 09:52:10,934 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 09:52:10,936 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 09:52:10,936 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 09:52:10,938 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/concurrentBoogie/example1.bpl [2019-08-05 09:52:10,938 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/concurrentBoogie/example1.bpl' [2019-08-05 09:52:10,971 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 09:52:10,973 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 09:52:10,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 09:52:10,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 09:52:10,974 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 09:52:10,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:10" (1/1) ... [2019-08-05 09:52:10,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:10" (1/1) ... [2019-08-05 09:52:11,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 09:52:11,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 09:52:11,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 09:52:11,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 09:52:11,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:10" (1/1) ... [2019-08-05 09:52:11,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:10" (1/1) ... [2019-08-05 09:52:11,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:10" (1/1) ... [2019-08-05 09:52:11,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:10" (1/1) ... [2019-08-05 09:52:11,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:10" (1/1) ... [2019-08-05 09:52:11,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:10" (1/1) ... [2019-08-05 09:52:11,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:10" (1/1) ... [2019-08-05 09:52:11,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 09:52:11,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 09:52:11,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 09:52:11,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 09:52:11,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-05 09:52:11,106 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 09:52:11,106 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 09:52:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 09:52:11,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 09:52:11,109 WARN L201 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-08-05 09:52:11,371 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 09:52:11,372 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 09:52:11,373 INFO L202 PluginConnector]: Adding new model example1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:52:11 BoogieIcfgContainer [2019-08-05 09:52:11,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 09:52:11,376 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 09:52:11,377 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 09:52:11,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 09:52:11,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:10" (1/2) ... [2019-08-05 09:52:11,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1cf91a and model type example1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 09:52:11, skipping insertion in model container [2019-08-05 09:52:11,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:52:11" (2/2) ... [2019-08-05 09:52:11,386 INFO L109 eAbstractionObserver]: Analyzing ICFG example1.bpl [2019-08-05 09:52:11,430 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 09:52:11,438 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 09:52:11,454 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 09:52:11,482 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 09:52:11,482 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 09:52:11,483 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 09:52:11,483 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 09:52:11,483 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 09:52:11,483 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 09:52:11,483 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 09:52:11,484 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 09:52:11,484 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 09:52:11,493 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 12places, 10 transitions [2019-08-05 09:52:11,505 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 13 states. [2019-08-05 09:52:11,508 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-08-05 09:52:11,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-08-05 09:52:11,518 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 09:52:11,519 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 09:52:11,522 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 09:52:11,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 09:52:11,532 INFO L82 PathProgramCache]: Analyzing trace with hash -2012439639, now seen corresponding path program 1 times [2019-08-05 09:52:11,577 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 09:52:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 09:52:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 09:52:11,639 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 09:52:11,654 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-08-05 09:52:11,657 INFO L202 PluginConnector]: Adding new model example1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 09:52:11 BasicIcfg [2019-08-05 09:52:11,657 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 09:52:11,661 INFO L168 Benchmark]: Toolchain (without parser) took 686.30 ms. Allocated memory is still 134.7 MB. Free memory was 110.1 MB in the beginning and 85.1 MB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:11,662 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 134.7 MB. Free memory was 112.4 MB in the beginning and 112.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 09:52:11,664 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.95 ms. Allocated memory is still 134.7 MB. Free memory was 109.9 MB in the beginning and 108.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:11,665 INFO L168 Benchmark]: Boogie Preprocessor took 19.49 ms. Allocated memory is still 134.7 MB. Free memory was 108.1 MB in the beginning and 107.2 MB in the end (delta: 900.9 kB). Peak memory consumption was 900.9 kB. Max. memory is 7.1 GB. [2019-08-05 09:52:11,667 INFO L168 Benchmark]: RCFGBuilder took 344.38 ms. Allocated memory is still 134.7 MB. Free memory was 107.0 MB in the beginning and 98.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:11,668 INFO L168 Benchmark]: TraceAbstraction took 280.97 ms. Allocated memory is still 134.7 MB. Free memory was 98.1 MB in the beginning and 85.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:11,672 INFO L335 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 0.24 ms. Allocated memory is still 134.7 MB. Free memory was 112.4 MB in the beginning and 112.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 34.95 ms. Allocated memory is still 134.7 MB. Free memory was 109.9 MB in the beginning and 108.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 19.49 ms. Allocated memory is still 134.7 MB. Free memory was 108.1 MB in the beginning and 107.2 MB in the end (delta: 900.9 kB). Peak memory consumption was 900.9 kB. Max. memory is 7.1 GB. * RCFGBuilder took 344.38 ms. Allocated memory is still 134.7 MB. Free memory was 107.0 MB in the beginning and 98.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 280.97 ms. Allocated memory is still 134.7 MB. Free memory was 98.1 MB in the beginning and 85.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 26]: assertion can be violated assertion can be violated We found a FailurePath: [L20] -1 x := 1; VAL [x=1] [L21] FORK -1 fork 1 foo(); VAL [x=1] [L22] -1 n := 2; VAL [n=2, x=1] [L34] 0 n := 1; VAL [n=1, x=1] [L24] JOIN 0 join x; VAL [n=1, x=1] [L25] -1 x := 4; VAL [n=1, x=4] [L26] -1 assert false; VAL [n=1, x=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 15 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...