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/nonlinear/InterpolationPaperExampleCandidate01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:31:04,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:31:04,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:31:04,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:31:04,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:31:04,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:31:04,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:31:04,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:31:04,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:31:04,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:31:04,666 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:31:04,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:31:04,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:31:04,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:31:04,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:31:04,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:31:04,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:31:04,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:31:04,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:31:04,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:31:04,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:31:04,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:31:04,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:31:04,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:31:04,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:31:04,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:31:04,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:31:04,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:31:04,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:31:04,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:31:04,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:31:04,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:31:04,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:31:04,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:31:04,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:31:04,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:31:04,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:31:04,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:31:04,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:31:04,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:31:04,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:31:04,723 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:31:04,742 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:31:04,745 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:31:04,747 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:31:04,748 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:31:04,749 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/InterpolationPaperExampleCandidate01.bpl [2019-08-05 10:31:04,749 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/InterpolationPaperExampleCandidate01.bpl' [2019-08-05 10:31:04,785 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:31:04,787 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:31:04,788 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:31:04,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:31:04,789 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:31:04,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:31:04" (1/1) ... [2019-08-05 10:31:04,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:31:04" (1/1) ... [2019-08-05 10:31:04,826 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 10:31:04,826 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 10:31:04,826 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 10:31:04,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:31:04,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:31:04,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:31:04,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:31:04,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:31:04" (1/1) ... [2019-08-05 10:31:04,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:31:04" (1/1) ... [2019-08-05 10:31:04,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:31:04" (1/1) ... [2019-08-05 10:31:04,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:31:04" (1/1) ... [2019-08-05 10:31:04,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:31:04" (1/1) ... [2019-08-05 10:31:04,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:31:04" (1/1) ... [2019-08-05 10:31:04,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:31:04" (1/1) ... [2019-08-05 10:31:04,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:31:04,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:31:04,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:31:04,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:31:04,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:31:04" (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 10:31:04,920 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 10:31:04,920 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 10:31:04,920 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 10:31:05,117 INFO L275 CfgBuilder]: Using library mode [2019-08-05 10:31:05,117 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 10:31:05,119 INFO L202 PluginConnector]: Adding new model InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:31:05 BoogieIcfgContainer [2019-08-05 10:31:05,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:31:05,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:31:05,122 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:31:05,128 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:31:05,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:31:04" (1/2) ... [2019-08-05 10:31:05,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17cac29b and model type InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:31:05, skipping insertion in model container [2019-08-05 10:31:05,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:31:05" (2/2) ... [2019-08-05 10:31:05,136 INFO L109 eAbstractionObserver]: Analyzing ICFG InterpolationPaperExampleCandidate01.bpl [2019-08-05 10:31:05,146 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:31:05,154 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:31:05,173 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:31:05,197 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:31:05,198 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:31:05,198 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:31:05,198 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:31:05,198 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:31:05,199 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:31:05,199 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:31:05,199 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:31:05,199 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:31:05,216 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2019-08-05 10:31:05,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 10:31:05,225 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:31:05,226 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 10:31:05,228 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:31:05,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:31:05,235 INFO L82 PathProgramCache]: Analyzing trace with hash 967, now seen corresponding path program 1 times [2019-08-05 10:31:05,283 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:31:05,299 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-08-05 10:31:05,300 INFO L285 seRefinementStrategy]: Strategy FixedRefinementStrategy was unsuccessful and could not determine trace feasibility. [2019-08-05 10:31:05,300 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 10:31:05,314 WARN L226 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2019-08-05 10:31:05,315 INFO L202 PluginConnector]: Adding new model InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:31:05 BoogieIcfgContainer [2019-08-05 10:31:05,315 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:31:05,318 INFO L168 Benchmark]: Toolchain (without parser) took 530.11 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 86.5 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-08-05 10:31:05,319 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory is still 109.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 10:31:05,320 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.42 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 106.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 10:31:05,321 INFO L168 Benchmark]: Boogie Preprocessor took 25.09 ms. Allocated memory is still 140.5 MB. Free memory was 106.8 MB in the beginning and 106.0 MB in the end (delta: 838.9 kB). Peak memory consumption was 838.9 kB. Max. memory is 7.1 GB. [2019-08-05 10:31:05,322 INFO L168 Benchmark]: RCFGBuilder took 266.02 ms. Allocated memory is still 140.5 MB. Free memory was 105.6 MB in the beginning and 97.2 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-08-05 10:31:05,323 INFO L168 Benchmark]: TraceAbstraction took 193.08 ms. Allocated memory is still 140.5 MB. Free memory was 96.8 MB in the beginning and 86.5 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-05 10:31:05,327 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 140.5 MB. Free memory is still 109.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 40.42 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 106.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.09 ms. Allocated memory is still 140.5 MB. Free memory was 106.8 MB in the beginning and 106.0 MB in the end (delta: 838.9 kB). Peak memory consumption was 838.9 kB. Max. memory is 7.1 GB. * RCFGBuilder took 266.02 ms. Allocated memory is still 140.5 MB. Free memory was 105.6 MB in the beginning and 97.2 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 193.08 ms. Allocated memory is still 140.5 MB. Free memory was 96.8 MB in the beginning and 86.5 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 17]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L12] x := y * y + z * z; [L17] assert x != -1; - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 4 locations, 1 error locations. UNKNOWN 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: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...