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/diamondCallGlobal.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:43:19,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:43:19,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:43:19,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:43:19,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:43:19,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:43:19,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:43:19,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:43:19,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:43:19,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:43:19,451 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:43:19,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:43:19,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:43:19,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:43:19,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:43:19,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:43:19,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:43:19,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:43:19,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:43:19,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:43:19,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:43:19,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:43:19,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:43:19,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:43:19,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:43:19,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:43:19,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:43:19,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:43:19,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:43:19,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:43:19,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:43:19,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:43:19,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:43:19,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:43:19,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:43:19,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:43:19,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:43:19,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:43:19,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:43:19,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:43:19,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:43:19,528 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:43:19,540 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:43:19,542 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:43:19,544 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:43:19,544 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:43:19,545 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/diamondCallGlobal.bpl [2019-08-05 10:43:19,545 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/diamondCallGlobal.bpl' [2019-08-05 10:43:19,572 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:43:19,574 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:43:19,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:43:19,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:43:19,575 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:43:19,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "diamondCallGlobal.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:19" (1/1) ... [2019-08-05 10:43:19,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "diamondCallGlobal.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:19" (1/1) ... [2019-08-05 10:43:19,606 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 10:43:19,606 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 10:43:19,606 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 10:43:19,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:43:19,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:43:19,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:43:19,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:43:19,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "diamondCallGlobal.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:19" (1/1) ... [2019-08-05 10:43:19,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "diamondCallGlobal.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:19" (1/1) ... [2019-08-05 10:43:19,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "diamondCallGlobal.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:19" (1/1) ... [2019-08-05 10:43:19,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "diamondCallGlobal.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:19" (1/1) ... [2019-08-05 10:43:19,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "diamondCallGlobal.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:19" (1/1) ... [2019-08-05 10:43:19,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "diamondCallGlobal.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:19" (1/1) ... [2019-08-05 10:43:19,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "diamondCallGlobal.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:19" (1/1) ... [2019-08-05 10:43:19,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:43:19,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:43:19,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:43:19,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:43:19,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "diamondCallGlobal.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:19" (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 10:43:19,707 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 10:43:19,707 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 10:43:19,708 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 10:43:19,708 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 10:43:20,103 INFO L275 CfgBuilder]: Using library mode [2019-08-05 10:43:20,103 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-05 10:43:20,105 INFO L202 PluginConnector]: Adding new model diamondCallGlobal.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:43:20 BoogieIcfgContainer [2019-08-05 10:43:20,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:43:20,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:43:20,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:43:20,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:43:20,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "diamondCallGlobal.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:19" (1/2) ... [2019-08-05 10:43:20,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@498b3a4f and model type diamondCallGlobal.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:43:20, skipping insertion in model container [2019-08-05 10:43:20,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "diamondCallGlobal.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:43:20" (2/2) ... [2019-08-05 10:43:20,114 INFO L109 eAbstractionObserver]: Analyzing ICFG diamondCallGlobal.bpl [2019-08-05 10:43:20,126 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:43:20,136 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:43:20,156 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:43:20,183 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:43:20,184 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:43:20,184 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:43:20,184 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:43:20,185 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:43:20,185 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:43:20,185 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:43:20,185 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:43:20,185 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:43:20,204 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-05 10:43:20,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 10:43:20,212 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:43:20,215 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 10:43:20,217 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:43:20,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:43:20,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1753, now seen corresponding path program 1 times [2019-08-05 10:43:20,266 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:43:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 10:43:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 10:43:20,317 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 10:43:20,335 INFO L202 PluginConnector]: Adding new model diamondCallGlobal.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:43:20 BoogieIcfgContainer [2019-08-05 10:43:20,335 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:43:20,338 INFO L168 Benchmark]: Toolchain (without parser) took 762.88 ms. Allocated memory is still 133.7 MB. Free memory was 108.8 MB in the beginning and 82.4 MB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-08-05 10:43:20,339 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 10:43:20,341 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.05 ms. Allocated memory is still 133.7 MB. Free memory was 108.8 MB in the beginning and 106.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 10:43:20,342 INFO L168 Benchmark]: Boogie Preprocessor took 17.07 ms. Allocated memory is still 133.7 MB. Free memory was 106.6 MB in the beginning and 105.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. [2019-08-05 10:43:20,343 INFO L168 Benchmark]: RCFGBuilder took 468.86 ms. Allocated memory is still 133.7 MB. Free memory was 105.4 MB in the beginning and 94.0 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-08-05 10:43:20,347 INFO L168 Benchmark]: TraceAbstraction took 227.99 ms. Allocated memory is still 133.7 MB. Free memory was 93.8 MB in the beginning and 82.4 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-08-05 10:43:20,354 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 0.16 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.05 ms. Allocated memory is still 133.7 MB. Free memory was 108.8 MB in the beginning and 106.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 17.07 ms. Allocated memory is still 133.7 MB. Free memory was 106.6 MB in the beginning and 105.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 468.86 ms. Allocated memory is still 133.7 MB. Free memory was 105.4 MB in the beginning and 94.0 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 227.99 ms. Allocated memory is still 133.7 MB. Free memory was 93.8 MB in the beginning and 82.4 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 22]: assertion can be violated assertion can be violated We found a FailurePath: [L15] g := 0; [L16] COND FALSE !(x > 2) [L19] COND TRUE x <= 2 [L29] g := 1; VAL [g=1] [L22] assert g == 0; VAL [g=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 6 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=6occurred 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, 2 NumberOfCodeBlocks, 2 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...