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/programs/toy/errorLocalization/forbidden_state_bug.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:42:45,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:42:45,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:42:45,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:42:45,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:42:45,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:42:45,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:42:45,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:42:45,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:42:45,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:42:45,172 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:42:45,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:42:45,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:42:45,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:42:45,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:42:45,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:42:45,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:42:45,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:42:45,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:42:45,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:42:45,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:42:45,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:42:45,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:42:45,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:42:45,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:42:45,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:42:45,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:42:45,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:42:45,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:42:45,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:42:45,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:42:45,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:42:45,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:42:45,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:42:45,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:42:45,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:42:45,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:42:45,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:42:45,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:42:45,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:42:45,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:42:45,252 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:42:45,263 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:42:45,266 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:42:45,268 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:42:45,270 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:42:45,271 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/forbidden_state_bug.bpl [2019-08-05 10:42:45,271 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/forbidden_state_bug.bpl' [2019-08-05 10:42:45,304 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:42:45,305 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:42:45,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:42:45,306 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:42:45,306 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:42:45,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "forbidden_state_bug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:42:45" (1/1) ... [2019-08-05 10:42:45,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "forbidden_state_bug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:42:45" (1/1) ... [2019-08-05 10:42:45,340 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 10:42:45,340 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 10:42:45,341 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 10:42:45,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:42:45,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:42:45,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:42:45,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:42:45,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "forbidden_state_bug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:42:45" (1/1) ... [2019-08-05 10:42:45,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "forbidden_state_bug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:42:45" (1/1) ... [2019-08-05 10:42:45,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "forbidden_state_bug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:42:45" (1/1) ... [2019-08-05 10:42:45,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "forbidden_state_bug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:42:45" (1/1) ... [2019-08-05 10:42:45,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "forbidden_state_bug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:42:45" (1/1) ... [2019-08-05 10:42:45,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "forbidden_state_bug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:42:45" (1/1) ... [2019-08-05 10:42:45,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "forbidden_state_bug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:42:45" (1/1) ... [2019-08-05 10:42:45,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:42:45,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:42:45,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:42:45,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:42:45,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "forbidden_state_bug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:42:45" (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 10:42:45,441 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-05 10:42:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 10:42:45,442 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 10:42:45,664 INFO L275 CfgBuilder]: Using library mode [2019-08-05 10:42:45,664 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 10:42:45,665 INFO L202 PluginConnector]: Adding new model forbidden_state_bug.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:42:45 BoogieIcfgContainer [2019-08-05 10:42:45,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:42:45,667 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:42:45,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:42:45,670 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:42:45,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "forbidden_state_bug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:42:45" (1/2) ... [2019-08-05 10:42:45,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ccecb0e and model type forbidden_state_bug.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:42:45, skipping insertion in model container [2019-08-05 10:42:45,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "forbidden_state_bug.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:42:45" (2/2) ... [2019-08-05 10:42:45,674 INFO L109 eAbstractionObserver]: Analyzing ICFG forbidden_state_bug.bpl [2019-08-05 10:42:45,684 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:42:45,691 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:42:45,707 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:42:45,733 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:42:45,734 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:42:45,734 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:42:45,734 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:42:45,735 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:42:45,735 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:42:45,735 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:42:45,735 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:42:45,735 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:42:45,749 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2019-08-05 10:42:45,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-08-05 10:42:45,757 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:42:45,758 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-08-05 10:42:45,760 INFO L418 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:42:45,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:42:45,766 INFO L82 PathProgramCache]: Analyzing trace with hash 29920, now seen corresponding path program 1 times [2019-08-05 10:42:45,812 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:42:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 10:42:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 10:42:45,855 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 10:42:45,873 INFO L202 PluginConnector]: Adding new model forbidden_state_bug.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:42:45 BoogieIcfgContainer [2019-08-05 10:42:45,873 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:42:45,876 INFO L168 Benchmark]: Toolchain (without parser) took 570.16 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 86.1 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2019-08-05 10:42:45,879 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory is still 110.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 10:42:45,880 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.22 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 107.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 10:42:45,882 INFO L168 Benchmark]: Boogie Preprocessor took 24.85 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 106.6 MB in the end (delta: 891.7 kB). Peak memory consumption was 891.7 kB. Max. memory is 7.1 GB. [2019-08-05 10:42:45,883 INFO L168 Benchmark]: RCFGBuilder took 297.06 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 MB in the beginning and 97.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-08-05 10:42:45,884 INFO L168 Benchmark]: TraceAbstraction took 206.25 ms. Allocated memory is still 133.2 MB. Free memory was 97.3 MB in the beginning and 86.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-08-05 10:42:45,889 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 0.23 ms. Allocated memory is still 133.2 MB. Free memory is still 110.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.22 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 107.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.85 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 106.6 MB in the end (delta: 891.7 kB). Peak memory consumption was 891.7 kB. Max. memory is 7.1 GB. * RCFGBuilder took 297.06 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 MB in the beginning and 97.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 206.25 ms. Allocated memory is still 133.2 MB. Free memory was 97.3 MB in the beginning and 86.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 12]: assertion can be violated assertion can be violated We found a FailurePath: [L9] x := 0; VAL [x=0] [L10] COND TRUE x < 2 VAL [x=0] [L12] assert x == 1; VAL [x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 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=5occurred 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, 3 NumberOfCodeBlocks, 3 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...