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/regression/bpl/BugGotoRemoval01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:08:17,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:08:17,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:08:17,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:08:17,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:08:17,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:08:17,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:08:17,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:08:17,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:08:17,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:08:17,917 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:08:17,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:08:17,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:08:17,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:08:17,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:08:17,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:08:17,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:08:17,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:08:17,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:08:17,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:08:17,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:08:17,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:08:17,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:08:17,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:08:17,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:08:17,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:08:17,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:08:17,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:08:17,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:08:17,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:08:17,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:08:17,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:08:17,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:08:17,940 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:08:17,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:08:17,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:08:17,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:08:17,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:08:17,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:08:17,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:08:17,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:08:17,979 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:08:17,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:08:17,994 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:08:17,996 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:08:17,996 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:08:17,997 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/BugGotoRemoval01.bpl [2019-08-05 11:08:17,997 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/BugGotoRemoval01.bpl' [2019-08-05 11:08:18,030 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:08:18,032 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:08:18,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:08:18,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:08:18,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:08:18,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:18" (1/1) ... [2019-08-05 11:08:18,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:18" (1/1) ... [2019-08-05 11:08:18,064 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:08:18,065 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:08:18,065 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:08:18,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:08:18,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:08:18,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:08:18,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:08:18,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:18" (1/1) ... [2019-08-05 11:08:18,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:18" (1/1) ... [2019-08-05 11:08:18,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:18" (1/1) ... [2019-08-05 11:08:18,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:18" (1/1) ... [2019-08-05 11:08:18,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:18" (1/1) ... [2019-08-05 11:08:18,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:18" (1/1) ... [2019-08-05 11:08:18,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:18" (1/1) ... [2019-08-05 11:08:18,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:08:18,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:08:18,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:08:18,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:08:18,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:18" (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 11:08:18,154 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 11:08:18,154 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 11:08:18,155 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 11:08:18,360 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: x := 3; [2019-08-05 11:08:18,374 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:08:18,374 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:08:18,375 INFO L202 PluginConnector]: Adding new model BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:08:18 BoogieIcfgContainer [2019-08-05 11:08:18,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:08:18,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:08:18,377 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:08:18,380 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:08:18,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:18" (1/2) ... [2019-08-05 11:08:18,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@476647d and model type BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:08:18, skipping insertion in model container [2019-08-05 11:08:18,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:08:18" (2/2) ... [2019-08-05 11:08:18,384 INFO L109 eAbstractionObserver]: Analyzing ICFG BugGotoRemoval01.bpl [2019-08-05 11:08:18,393 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:08:18,401 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:08:18,418 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:08:18,444 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:08:18,445 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:08:18,445 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:08:18,446 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:08:18,446 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:08:18,446 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:08:18,446 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:08:18,446 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:08:18,447 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:08:18,461 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-05 11:08:18,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-08-05 11:08:18,469 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:08:18,470 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-08-05 11:08:18,472 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:08:18,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:08:18,478 INFO L82 PathProgramCache]: Analyzing trace with hash 30112, now seen corresponding path program 1 times [2019-08-05 11:08:18,533 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:08:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 11:08:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 11:08:18,578 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 11:08:18,593 INFO L202 PluginConnector]: Adding new model BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:08:18 BoogieIcfgContainer [2019-08-05 11:08:18,593 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:08:18,596 INFO L168 Benchmark]: Toolchain (without parser) took 563.13 ms. Allocated memory is still 134.7 MB. Free memory was 111.1 MB in the beginning and 88.0 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:08:18,597 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 134.7 MB. Free memory is still 111.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:08:18,599 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.72 ms. Allocated memory is still 134.7 MB. Free memory was 111.1 MB in the beginning and 109.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:08:18,600 INFO L168 Benchmark]: Boogie Preprocessor took 19.07 ms. Allocated memory is still 134.7 MB. Free memory was 109.0 MB in the beginning and 108.1 MB in the end (delta: 855.8 kB). Peak memory consumption was 855.8 kB. Max. memory is 7.1 GB. [2019-08-05 11:08:18,601 INFO L168 Benchmark]: RCFGBuilder took 288.16 ms. Allocated memory is still 134.7 MB. Free memory was 108.1 MB in the beginning and 99.2 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:08:18,602 INFO L168 Benchmark]: TraceAbstraction took 216.04 ms. Allocated memory is still 134.7 MB. Free memory was 99.2 MB in the beginning and 88.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:08:18,607 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 0.20 ms. Allocated memory is still 134.7 MB. Free memory is still 111.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 34.72 ms. Allocated memory is still 134.7 MB. Free memory was 111.1 MB in the beginning and 109.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 19.07 ms. Allocated memory is still 134.7 MB. Free memory was 109.0 MB in the beginning and 108.1 MB in the end (delta: 855.8 kB). Peak memory consumption was 855.8 kB. Max. memory is 7.1 GB. * RCFGBuilder took 288.16 ms. Allocated memory is still 134.7 MB. Free memory was 108.1 MB in the beginning and 99.2 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 216.04 ms. Allocated memory is still 134.7 MB. Free memory was 99.2 MB in the beginning and 88.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 23]: assertion can be violated assertion can be violated We found a FailurePath: [L8] x := 0; VAL [x=0] [L22] x := 4; VAL [x=4] [L23] assert false; VAL [x=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 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, 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...