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/abstractInterpretation/unclassified/Disjunction2_unsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:14:30,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:14:30,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:14:30,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:14:30,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:14:30,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:14:30,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:14:30,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:14:30,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:14:30,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:14:30,128 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:14:30,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:14:30,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:14:30,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:14:30,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:14:30,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:14:30,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:14:30,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:14:30,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:14:30,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:14:30,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:14:30,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:14:30,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:14:30,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:14:30,147 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:14:30,147 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:14:30,149 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:14:30,150 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:14:30,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:14:30,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:14:30,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:14:30,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:14:30,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:14:30,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:14:30,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:14:30,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:14:30,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:14:30,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:14:30,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:14:30,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:14:30,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:14:30,202 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:14:30,215 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:14:30,218 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:14:30,219 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:14:30,220 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:14:30,220 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/Disjunction2_unsafe.bpl [2019-08-05 11:14:30,221 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/Disjunction2_unsafe.bpl' [2019-08-05 11:14:30,249 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:14:30,250 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:14:30,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:14:30,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:14:30,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:14:30,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Disjunction2_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:14:30" (1/1) ... [2019-08-05 11:14:30,276 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Disjunction2_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:14:30" (1/1) ... [2019-08-05 11:14:30,282 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:14:30,282 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:14:30,282 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:14:30,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:14:30,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:14:30,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:14:30,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:14:30,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Disjunction2_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:14:30" (1/1) ... [2019-08-05 11:14:30,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Disjunction2_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:14:30" (1/1) ... [2019-08-05 11:14:30,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Disjunction2_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:14:30" (1/1) ... [2019-08-05 11:14:30,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Disjunction2_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:14:30" (1/1) ... [2019-08-05 11:14:30,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Disjunction2_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:14:30" (1/1) ... [2019-08-05 11:14:30,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Disjunction2_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:14:30" (1/1) ... [2019-08-05 11:14:30,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Disjunction2_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:14:30" (1/1) ... [2019-08-05 11:14:30,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:14:30,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:14:30,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:14:30,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:14:30,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Disjunction2_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:14:30" (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 11:14:30,369 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Disjunct2_unsafe given in one single declaration [2019-08-05 11:14:30,370 INFO L130 BoogieDeclarations]: Found specification of procedure Disjunct2_unsafe [2019-08-05 11:14:30,370 INFO L138 BoogieDeclarations]: Found implementation of procedure Disjunct2_unsafe [2019-08-05 11:14:30,823 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:14:30,824 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:14:30,825 INFO L202 PluginConnector]: Adding new model Disjunction2_unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:14:30 BoogieIcfgContainer [2019-08-05 11:14:30,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:14:30,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:14:30,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:14:30,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:14:30,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Disjunction2_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:14:30" (1/2) ... [2019-08-05 11:14:30,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@219f4b9a and model type Disjunction2_unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:14:30, skipping insertion in model container [2019-08-05 11:14:30,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Disjunction2_unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:14:30" (2/2) ... [2019-08-05 11:14:30,833 INFO L109 eAbstractionObserver]: Analyzing ICFG Disjunction2_unsafe.bpl [2019-08-05 11:14:30,841 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:14:30,848 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:14:30,861 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:14:30,884 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:14:30,885 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:14:30,886 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:14:30,886 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:14:30,886 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:14:30,886 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:14:30,886 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:14:30,886 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:14:30,887 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:14:30,900 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2019-08-05 11:14:30,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 11:14:30,908 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:14:30,909 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 11:14:30,912 INFO L418 AbstractCegarLoop]: === Iteration 1 === [Disjunct2_unsafeErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:14:30,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:14:30,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1848, now seen corresponding path program 1 times [2019-08-05 11:14:30,965 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:14:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 11:14:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 11:14:31,033 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 11:14:31,050 INFO L202 PluginConnector]: Adding new model Disjunction2_unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:14:31 BoogieIcfgContainer [2019-08-05 11:14:31,050 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:14:31,053 INFO L168 Benchmark]: Toolchain (without parser) took 801.87 ms. Allocated memory is still 132.6 MB. Free memory was 110.2 MB in the beginning and 81.9 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:14:31,055 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 111.4 MB in the beginning and 111.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 11:14:31,056 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.99 ms. Allocated memory is still 132.6 MB. Free memory was 110.2 MB in the beginning and 108.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:14:31,057 INFO L168 Benchmark]: Boogie Preprocessor took 18.29 ms. Allocated memory is still 132.6 MB. Free memory was 108.2 MB in the beginning and 107.3 MB in the end (delta: 969.8 kB). Peak memory consumption was 969.8 kB. Max. memory is 7.1 GB. [2019-08-05 11:14:31,059 INFO L168 Benchmark]: RCFGBuilder took 521.53 ms. Allocated memory is still 132.6 MB. Free memory was 107.3 MB in the beginning and 93.7 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2019-08-05 11:14:31,060 INFO L168 Benchmark]: TraceAbstraction took 223.71 ms. Allocated memory is still 132.6 MB. Free memory was 93.5 MB in the beginning and 81.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:14:31,066 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 132.6 MB. Free memory was 111.4 MB in the beginning and 111.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 33.99 ms. Allocated memory is still 132.6 MB. Free memory was 110.2 MB in the beginning and 108.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 18.29 ms. Allocated memory is still 132.6 MB. Free memory was 108.2 MB in the beginning and 107.3 MB in the end (delta: 969.8 kB). Peak memory consumption was 969.8 kB. Max. memory is 7.1 GB. * RCFGBuilder took 521.53 ms. Allocated memory is still 132.6 MB. Free memory was 107.3 MB in the beginning and 93.7 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 223.71 ms. Allocated memory is still 132.6 MB. Free memory was 93.5 MB in the beginning and 81.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 28]: assertion can be violated assertion can be violated We found a FailurePath: [L11] havoc x; [L12] havoc y; [L14] z := 0; [L16] COND TRUE x < 0 || y < 0 [L18] COND TRUE x > 1 [L20] y := -y; [L21] z := z + 1; [L23] COND TRUE y > 1 [L25] z := z + 1; VAL [x=2, y=3, z=2] [L28] assert z <= 1; VAL [x=2, y=3, z=2] - 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...