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/TestOldVar-unsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:09:06,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:09:06,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:09:06,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:09:06,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:09:06,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:09:06,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:09:06,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:09:06,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:09:06,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:09:06,970 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:09:06,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:09:06,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:09:06,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:09:06,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:09:06,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:09:06,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:09:06,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:09:06,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:09:06,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:09:06,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:09:06,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:09:06,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:09:07,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:09:07,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:09:07,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:09:07,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:09:07,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:09:07,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:09:07,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:09:07,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:09:07,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:09:07,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:09:07,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:09:07,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:09:07,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:09:07,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:09:07,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:09:07,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:09:07,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:09:07,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:09:07,036 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:09:07,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:09:07,053 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:09:07,055 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:09:07,055 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:09:07,056 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestOldVar-unsafe.bpl [2019-08-05 11:09:07,056 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestOldVar-unsafe.bpl' [2019-08-05 11:09:07,080 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:09:07,081 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:09:07,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:09:07,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:09:07,082 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:09:07,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "TestOldVar-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:07" (1/1) ... [2019-08-05 11:09:07,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "TestOldVar-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:07" (1/1) ... [2019-08-05 11:09:07,112 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:09:07,113 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:09:07,113 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:09:07,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:09:07,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:09:07,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:09:07,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:09:07,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TestOldVar-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:07" (1/1) ... [2019-08-05 11:09:07,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TestOldVar-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:07" (1/1) ... [2019-08-05 11:09:07,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TestOldVar-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:07" (1/1) ... [2019-08-05 11:09:07,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TestOldVar-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:07" (1/1) ... [2019-08-05 11:09:07,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TestOldVar-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:07" (1/1) ... [2019-08-05 11:09:07,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TestOldVar-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:07" (1/1) ... [2019-08-05 11:09:07,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TestOldVar-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:07" (1/1) ... [2019-08-05 11:09:07,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:09:07,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:09:07,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:09:07,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:09:07,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TestOldVar-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:07" (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 11:09:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-05 11:09:07,208 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-05 11:09:07,437 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:09:07,438 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:09:07,439 INFO L202 PluginConnector]: Adding new model TestOldVar-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:09:07 BoogieIcfgContainer [2019-08-05 11:09:07,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:09:07,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:09:07,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:09:07,445 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:09:07,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "TestOldVar-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:07" (1/2) ... [2019-08-05 11:09:07,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5132b016 and model type TestOldVar-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:09:07, skipping insertion in model container [2019-08-05 11:09:07,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "TestOldVar-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:09:07" (2/2) ... [2019-08-05 11:09:07,449 INFO L109 eAbstractionObserver]: Analyzing ICFG TestOldVar-unsafe.bpl [2019-08-05 11:09:07,459 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:09:07,468 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:09:07,485 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:09:07,512 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:09:07,512 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:09:07,512 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:09:07,513 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:09:07,513 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:09:07,513 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:09:07,513 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:09:07,513 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:09:07,514 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:09:07,525 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2019-08-05 11:09:07,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 11:09:07,533 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:09:07,534 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 11:09:07,537 INFO L418 AbstractCegarLoop]: === Iteration 1 === [procErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:09:07,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:09:07,543 INFO L82 PathProgramCache]: Analyzing trace with hash 962, now seen corresponding path program 1 times [2019-08-05 11:09:07,593 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:09:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 11:09:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 11:09:07,647 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 11:09:07,665 INFO L202 PluginConnector]: Adding new model TestOldVar-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:09:07 BoogieIcfgContainer [2019-08-05 11:09:07,666 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:09:07,669 INFO L168 Benchmark]: Toolchain (without parser) took 586.19 ms. Allocated memory is still 131.6 MB. Free memory was 109.4 MB in the beginning and 86.4 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:09:07,672 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 131.6 MB. Free memory was 110.4 MB in the beginning and 110.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 11:09:07,673 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.83 ms. Allocated memory is still 131.6 MB. Free memory was 109.2 MB in the beginning and 107.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:09:07,674 INFO L168 Benchmark]: Boogie Preprocessor took 17.87 ms. Allocated memory is still 131.6 MB. Free memory was 107.2 MB in the beginning and 106.3 MB in the end (delta: 900.5 kB). Peak memory consumption was 900.5 kB. Max. memory is 7.1 GB. [2019-08-05 11:09:07,677 INFO L168 Benchmark]: RCFGBuilder took 305.58 ms. Allocated memory is still 131.6 MB. Free memory was 106.1 MB in the beginning and 97.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-08-05 11:09:07,679 INFO L168 Benchmark]: TraceAbstraction took 224.98 ms. Allocated memory is still 131.6 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 11:09:07,686 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 131.6 MB. Free memory was 110.4 MB in the beginning and 110.2 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 33.83 ms. Allocated memory is still 131.6 MB. Free memory was 109.2 MB in the beginning and 107.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 17.87 ms. Allocated memory is still 131.6 MB. Free memory was 107.2 MB in the beginning and 106.3 MB in the end (delta: 900.5 kB). Peak memory consumption was 900.5 kB. Max. memory is 7.1 GB. * RCFGBuilder took 305.58 ms. Allocated memory is still 131.6 MB. Free memory was 106.1 MB in the beginning and 97.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 224.98 ms. Allocated memory is still 131.6 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: 17]: assertion can be violated assertion can be violated We found a FailurePath: [L16] g := g + 1; VAL [g=1] [L17] assert g == old(g); VAL [g=1, old(g)=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...