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/IncExp.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:30:54,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:30:54,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:30:54,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:30:54,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:30:54,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:30:54,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:30:54,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:30:54,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:30:54,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:30:54,558 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:30:54,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:30:54,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:30:54,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:30:54,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:30:54,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:30:54,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:30:54,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:30:54,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:30:54,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:30:54,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:30:54,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:30:54,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:30:54,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:30:54,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:30:54,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:30:54,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:30:54,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:30:54,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:30:54,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:30:54,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:30:54,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:30:54,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:30:54,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:30:54,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:30:54,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:30:54,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:30:54,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:30:54,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:30:54,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:30:54,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:30:54,632 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:30:54,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:30:54,652 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:30:54,654 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:30:54,655 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:30:54,656 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/IncExp.bpl [2019-08-05 10:30:54,656 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/IncExp.bpl' [2019-08-05 10:30:54,688 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:30:54,690 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:30:54,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:30:54,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:30:54,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:30:54,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "IncExp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:54" (1/1) ... [2019-08-05 10:30:54,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "IncExp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:54" (1/1) ... [2019-08-05 10:30:54,720 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 10:30:54,720 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 10:30:54,720 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 10:30:54,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:30:54,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:30:54,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:30:54,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:30:54,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "IncExp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:54" (1/1) ... [2019-08-05 10:30:54,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "IncExp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:54" (1/1) ... [2019-08-05 10:30:54,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "IncExp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:54" (1/1) ... [2019-08-05 10:30:54,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "IncExp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:54" (1/1) ... [2019-08-05 10:30:54,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "IncExp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:54" (1/1) ... [2019-08-05 10:30:54,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "IncExp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:54" (1/1) ... [2019-08-05 10:30:54,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "IncExp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:54" (1/1) ... [2019-08-05 10:30:54,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:30:54,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:30:54,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:30:54,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:30:54,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "IncExp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:54" (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 10:30:54,810 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ThreeBitIncrementer given in one single declaration [2019-08-05 10:30:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure ThreeBitIncrementer [2019-08-05 10:30:54,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ThreeBitIncrementer [2019-08-05 10:30:55,380 INFO L275 CfgBuilder]: Using library mode [2019-08-05 10:30:55,380 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 10:30:55,382 INFO L202 PluginConnector]: Adding new model IncExp.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:30:55 BoogieIcfgContainer [2019-08-05 10:30:55,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:30:55,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:30:55,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:30:55,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:30:55,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "IncExp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:54" (1/2) ... [2019-08-05 10:30:55,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6900fb9b and model type IncExp.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:30:55, skipping insertion in model container [2019-08-05 10:30:55,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "IncExp.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:30:55" (2/2) ... [2019-08-05 10:30:55,393 INFO L109 eAbstractionObserver]: Analyzing ICFG IncExp.bpl [2019-08-05 10:30:55,403 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:30:55,413 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:30:55,430 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:30:55,454 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:30:55,455 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:30:55,455 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:30:55,455 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:30:55,455 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:30:55,455 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:30:55,456 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:30:55,456 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:30:55,456 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:30:55,474 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2019-08-05 10:30:55,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 10:30:55,483 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:30:55,484 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 10:30:55,486 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ThreeBitIncrementerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:30:55,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:30:55,495 INFO L82 PathProgramCache]: Analyzing trace with hash 2356, now seen corresponding path program 1 times [2019-08-05 10:30:55,543 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:30:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 10:30:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 10:30:55,599 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 10:30:55,618 INFO L202 PluginConnector]: Adding new model IncExp.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:30:55 BoogieIcfgContainer [2019-08-05 10:30:55,618 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:30:55,621 INFO L168 Benchmark]: Toolchain (without parser) took 930.66 ms. Allocated memory is still 131.1 MB. Free memory was 107.5 MB in the beginning and 76.8 MB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. [2019-08-05 10:30:55,622 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 131.1 MB. Free memory is still 108.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 10:30:55,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.33 ms. Allocated memory is still 131.1 MB. Free memory was 107.5 MB in the beginning and 105.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 10:30:55,625 INFO L168 Benchmark]: Boogie Preprocessor took 20.04 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 104.4 MB in the end (delta: 933.7 kB). Peak memory consumption was 933.7 kB. Max. memory is 7.1 GB. [2019-08-05 10:30:55,626 INFO L168 Benchmark]: RCFGBuilder took 638.28 ms. Allocated memory is still 131.1 MB. Free memory was 104.4 MB in the beginning and 88.7 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-08-05 10:30:55,627 INFO L168 Benchmark]: TraceAbstraction took 235.26 ms. Allocated memory is still 131.1 MB. Free memory was 88.3 MB in the beginning and 76.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-08-05 10:30:55,632 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 0.23 ms. Allocated memory is still 131.1 MB. Free memory is still 108.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 32.33 ms. Allocated memory is still 131.1 MB. Free memory was 107.5 MB in the beginning and 105.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.04 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 104.4 MB in the end (delta: 933.7 kB). Peak memory consumption was 933.7 kB. Max. memory is 7.1 GB. * RCFGBuilder took 638.28 ms. Allocated memory is still 131.1 MB. Free memory was 104.4 MB in the beginning and 88.7 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 235.26 ms. Allocated memory is still 131.1 MB. Free memory was 88.3 MB in the beginning and 76.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 37]: assertion can be violated assertion can be violated We found a FailurePath: [L9] of := false; [L10] havoc x0; [L11] havoc x1; [L12] havoc x2; [L13] COND TRUE x0 == true [L14] x0 := false; [L15] of := true; [L19] COND TRUE of == true [L20] COND TRUE x1 == true [L21] x1 := false; [L28] COND TRUE of == true [L29] COND TRUE x2 == true [L30] x2 := false; VAL [of=true, x0=false, x1=false, x2=false] [L37] assert x0 || x1 || x2; VAL [of=true, x0=false, x1=false, x2=false] - 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...