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/easy_wrong.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:30:49,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:30:49,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:30:49,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:30:49,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:30:49,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:30:49,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:30:49,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:30:49,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:30:49,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:30:49,725 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:30:49,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:30:49,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:30:49,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:30:49,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:30:49,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:30:49,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:30:49,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:30:49,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:30:49,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:30:49,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:30:49,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:30:49,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:30:49,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:30:49,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:30:49,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:30:49,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:30:49,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:30:49,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:30:49,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:30:49,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:30:49,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:30:49,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:30:49,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:30:49,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:30:49,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:30:49,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:30:49,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:30:49,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:30:49,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:30:49,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:30:49,811 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:30:49,828 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:30:49,831 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:30:49,833 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:30:49,833 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:30:49,834 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/easy_wrong.bpl [2019-08-05 10:30:49,834 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/easy_wrong.bpl' [2019-08-05 10:30:49,865 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:30:49,866 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:30:49,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:30:49,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:30:49,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:30:49,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "easy_wrong.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:49" (1/1) ... [2019-08-05 10:30:49,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "easy_wrong.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:49" (1/1) ... [2019-08-05 10:30:49,904 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 10:30:49,905 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 10:30:49,905 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 10:30:49,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:30:49,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:30:49,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:30:49,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:30:49,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "easy_wrong.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:49" (1/1) ... [2019-08-05 10:30:49,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "easy_wrong.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:49" (1/1) ... [2019-08-05 10:30:49,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "easy_wrong.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:49" (1/1) ... [2019-08-05 10:30:49,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "easy_wrong.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:49" (1/1) ... [2019-08-05 10:30:49,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "easy_wrong.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:49" (1/1) ... [2019-08-05 10:30:49,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "easy_wrong.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:49" (1/1) ... [2019-08-05 10:30:49,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "easy_wrong.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:49" (1/1) ... [2019-08-05 10:30:49,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:30:49,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:30:49,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:30:49,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:30:49,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "easy_wrong.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:49" (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 10:30:50,004 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Easy given in one single declaration [2019-08-05 10:30:50,004 INFO L130 BoogieDeclarations]: Found specification of procedure Easy [2019-08-05 10:30:50,004 INFO L138 BoogieDeclarations]: Found implementation of procedure Easy [2019-08-05 10:30:50,204 INFO L275 CfgBuilder]: Using library mode [2019-08-05 10:30:50,205 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 10:30:50,206 INFO L202 PluginConnector]: Adding new model easy_wrong.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:30:50 BoogieIcfgContainer [2019-08-05 10:30:50,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:30:50,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:30:50,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:30:50,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:30:50,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy_wrong.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:49" (1/2) ... [2019-08-05 10:30:50,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c7e1c02 and model type easy_wrong.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:30:50, skipping insertion in model container [2019-08-05 10:30:50,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy_wrong.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:30:50" (2/2) ... [2019-08-05 10:30:50,219 INFO L109 eAbstractionObserver]: Analyzing ICFG easy_wrong.bpl [2019-08-05 10:30:50,226 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:30:50,232 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:30:50,248 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:30:50,271 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:30:50,272 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:30:50,272 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:30:50,272 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:30:50,273 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:30:50,273 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:30:50,273 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:30:50,273 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:30:50,273 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:30:50,287 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2019-08-05 10:30:50,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 10:30:50,295 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:30:50,296 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 10:30:50,298 INFO L418 AbstractCegarLoop]: === Iteration 1 === [EasyErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:30:50,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:30:50,304 INFO L82 PathProgramCache]: Analyzing trace with hash 962, now seen corresponding path program 1 times [2019-08-05 10:30:50,352 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:30:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 10:30:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 10:30:50,397 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 10:30:50,414 INFO L202 PluginConnector]: Adding new model easy_wrong.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:30:50 BoogieIcfgContainer [2019-08-05 10:30:50,415 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:30:50,417 INFO L168 Benchmark]: Toolchain (without parser) took 550.58 ms. Allocated memory is still 141.6 MB. Free memory was 108.8 MB in the beginning and 86.4 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-08-05 10:30:50,418 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 141.6 MB. Free memory is still 109.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 10:30:50,420 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.44 ms. Allocated memory is still 141.6 MB. Free memory was 108.8 MB in the beginning and 107.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 10:30:50,421 INFO L168 Benchmark]: Boogie Preprocessor took 22.90 ms. Allocated memory is still 141.6 MB. Free memory was 107.1 MB in the beginning and 105.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 10:30:50,422 INFO L168 Benchmark]: RCFGBuilder took 276.34 ms. Allocated memory is still 141.6 MB. Free memory was 105.8 MB in the beginning and 97.5 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-08-05 10:30:50,423 INFO L168 Benchmark]: TraceAbstraction took 206.03 ms. Allocated memory is still 141.6 MB. Free memory was 97.5 MB in the beginning and 86.4 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-08-05 10:30:50,429 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 0.21 ms. Allocated memory is still 141.6 MB. Free memory is still 109.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 40.44 ms. Allocated memory is still 141.6 MB. Free memory was 108.8 MB in the beginning and 107.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.90 ms. Allocated memory is still 141.6 MB. Free memory was 107.1 MB in the beginning and 105.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 276.34 ms. Allocated memory is still 141.6 MB. Free memory was 105.8 MB in the beginning and 97.5 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 206.03 ms. Allocated memory is still 141.6 MB. Free memory was 97.5 MB in the beginning and 86.4 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 13]: assertion can be violated assertion can be violated We found a FailurePath: [L9] havoc x; [L11] x := 0; VAL [x=0] [L13] assert x == 1; VAL [x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 4 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=4occurred 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...