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/regression/eq/04_basic_unsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:11:47,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:11:47,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:11:47,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:11:47,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:11:47,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:11:47,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:11:47,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:11:47,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:11:47,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:11:47,881 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:11:47,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:11:47,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:11:47,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:11:47,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:11:47,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:11:47,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:11:47,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:11:47,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:11:47,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:11:47,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:11:47,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:11:47,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:11:47,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:11:47,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:11:47,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:11:47,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:11:47,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:11:47,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:11:47,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:11:47,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:11:47,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:11:47,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:11:47,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:11:47,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:11:47,906 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:11:47,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:11:47,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:11:47,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:11:47,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:11:47,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:11:47,956 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:11:47,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:11:47,972 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:11:47,974 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:11:47,974 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:11:47,975 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/04_basic_unsafe.bpl [2019-08-05 11:11:47,975 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/04_basic_unsafe.bpl' [2019-08-05 11:11:48,009 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:11:48,010 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:11:48,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:11:48,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:11:48,012 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:11:48,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "04_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:47" (1/1) ... [2019-08-05 11:11:48,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "04_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:47" (1/1) ... [2019-08-05 11:11:48,049 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:11:48,050 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:11:48,050 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:11:48,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:11:48,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:11:48,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:11:48,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:11:48,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "04_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:47" (1/1) ... [2019-08-05 11:11:48,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "04_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:47" (1/1) ... [2019-08-05 11:11:48,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "04_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:47" (1/1) ... [2019-08-05 11:11:48,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "04_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:47" (1/1) ... [2019-08-05 11:11:48,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "04_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:47" (1/1) ... [2019-08-05 11:11:48,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "04_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:47" (1/1) ... [2019-08-05 11:11:48,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "04_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:47" (1/1) ... [2019-08-05 11:11:48,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:11:48,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:11:48,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:11:48,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:11:48,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "04_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:47" (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 11:11:48,144 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Easy given in one single declaration [2019-08-05 11:11:48,144 INFO L130 BoogieDeclarations]: Found specification of procedure Easy [2019-08-05 11:11:48,144 INFO L138 BoogieDeclarations]: Found implementation of procedure Easy [2019-08-05 11:11:48,296 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:11:48,296 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:11:48,297 INFO L202 PluginConnector]: Adding new model 04_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:11:48 BoogieIcfgContainer [2019-08-05 11:11:48,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:11:48,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:11:48,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:11:48,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:11:48,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "04_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:47" (1/2) ... [2019-08-05 11:11:48,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@599d2384 and model type 04_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:11:48, skipping insertion in model container [2019-08-05 11:11:48,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "04_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:11:48" (2/2) ... [2019-08-05 11:11:48,306 INFO L109 eAbstractionObserver]: Analyzing ICFG 04_basic_unsafe.bpl [2019-08-05 11:11:48,315 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:11:48,323 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-08-05 11:11:48,340 INFO L252 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-08-05 11:11:48,367 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:11:48,367 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:11:48,368 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:11:48,368 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:11:48,368 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:11:48,368 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:11:48,368 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:11:48,369 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:11:48,369 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:11:48,384 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-08-05 11:11:48,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 11:11:48,392 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:11:48,393 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 11:11:48,396 INFO L418 AbstractCegarLoop]: === Iteration 1 === [EasyErr0ASSERT_VIOLATIONASSERT, EasyErr2ASSERT_VIOLATIONASSERT, EasyErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:11:48,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:11:48,402 INFO L82 PathProgramCache]: Analyzing trace with hash 962, now seen corresponding path program 1 times [2019-08-05 11:11:48,454 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:11:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 11:11:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 11:11:48,519 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 11:11:48,539 INFO L202 PluginConnector]: Adding new model 04_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:11:48 BoogieIcfgContainer [2019-08-05 11:11:48,539 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:11:48,542 INFO L168 Benchmark]: Toolchain (without parser) took 530.39 ms. Allocated memory is still 137.9 MB. Free memory was 107.6 MB in the beginning and 83.3 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:11:48,544 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 108.7 MB in the beginning and 108.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 11:11:48,545 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.34 ms. Allocated memory is still 137.9 MB. Free memory was 107.4 MB in the beginning and 105.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:11:48,546 INFO L168 Benchmark]: Boogie Preprocessor took 24.50 ms. Allocated memory is still 137.9 MB. Free memory was 105.5 MB in the beginning and 104.6 MB in the end (delta: 900.4 kB). Peak memory consumption was 900.4 kB. Max. memory is 7.1 GB. [2019-08-05 11:11:48,548 INFO L168 Benchmark]: RCFGBuilder took 219.98 ms. Allocated memory is still 137.9 MB. Free memory was 104.3 MB in the beginning and 95.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:11:48,549 INFO L168 Benchmark]: TraceAbstraction took 240.04 ms. Allocated memory is still 137.9 MB. Free memory was 94.9 MB in the beginning and 83.3 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:11:48,553 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 137.9 MB. Free memory was 108.7 MB in the beginning and 108.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.34 ms. Allocated memory is still 137.9 MB. Free memory was 107.4 MB in the beginning and 105.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.50 ms. Allocated memory is still 137.9 MB. Free memory was 105.5 MB in the beginning and 104.6 MB in the end (delta: 900.4 kB). Peak memory consumption was 900.4 kB. Max. memory is 7.1 GB. * RCFGBuilder took 219.98 ms. Allocated memory is still 137.9 MB. Free memory was 104.3 MB in the beginning and 95.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 240.04 ms. Allocated memory is still 137.9 MB. Free memory was 94.9 MB in the beginning and 83.3 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: 17]: assertion can be violated assertion can be violated We found a FailurePath: [L12] b[y] := j; [L13] a[z] := k; [L14] i := k; [L15] k := b[y]; VAL [i=2, j=3, k=3, y=1, z=0] [L17] assert k == i; VAL [i=2, j=3, k=3, y=1, z=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 3 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=8occurred 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...