NO 2019-05-11 07:09:09,379 INFO [UltimateCore.java:185]: Initializing application 2019-05-11 07:09:09,382 INFO [UltimateCore.java:202]: -------------------------------------------------------------------------------- 2019-05-11 07:09:09,386 INFO [PluginFactory.java:62]: -------------------------------------------------------------------------------- 2019-05-11 07:09:09,386 INFO [PluginFactory.java:63]: Detecting plugins... 2019-05-11 07:09:09,387 INFO [PluginFactory.java:287]: 1 IController plugins available 2019-05-11 07:09:09,387 INFO [PluginFactory.java:287]: 4 ISource plugins available 2019-05-11 07:09:09,388 INFO [PluginFactory.java:287]: 1 IOutput plugins available 2019-05-11 07:09:09,388 INFO [PluginFactory.java:287]: 10 IGenerator plugins available 2019-05-11 07:09:09,388 INFO [PluginFactory.java:287]: 5 IAnalysis plugins available 2019-05-11 07:09:09,391 INFO [PluginFactory.java:241]: Loaded controller UltimateCore 2019-05-11 07:09:09,391 INFO [PluginFactory.java:70]: Finished detecting plugins! 2019-05-11 07:09:09,391 INFO [PluginFactory.java:71]: Loading services ... 2019-05-11 07:09:09,391 INFO [PluginFactory.java:272]: 0 IServiceFactory services available 2019-05-11 07:09:09,392 INFO [PluginFactory.java:73]: Finished loading services! 2019-05-11 07:09:09,392 INFO [PluginFactory.java:74]: -------------------------------------------------------------------------------- 2019-05-11 07:09:09,393 INFO [SettingsManager.java:46]: Loading settings from ./../termcomp2015.epf 2019-05-11 07:09:12,233 INFO [SettingsManager.java:54]: Loading preferences was successful 2019-05-11 07:09:12,233 INFO [SettingsManager.java:55]: Preferences different from defaults: 2019-05-11 07:09:12,234 INFO [PluginFactory.java:178]: -------------------------------------------------------------------------------- 2019-05-11 07:09:12,234 INFO [PluginFactory.java:179]: Loading all admissible plugins (creating one instance, loading preferences) 2019-05-11 07:09:12,584 INFO [PluginFactory.java:196]: Finished loading 20 admissible plugins (all were admissible) 2019-05-11 07:09:12,584 INFO [PluginFactory.java:198]: -------------------------------------------------------------------------------- 2019-05-11 07:09:12,585 INFO [SettingsManager.java:61]: Preferences of LassoRanker differ from their defaults: 2019-05-11 07:09:12,585 INFO [SettingsManager.java:63]: * Only non-decreasing invariants=true 2019-05-11 07:09:12,585 INFO [SettingsManager.java:63]: * Termination analysis=LINEAR_WITH_GUESSES 2019-05-11 07:09:12,586 INFO [SettingsManager.java:63]: * SMT solver command=z3 -smt2 -in SMTLIB2_COMPLIANT=true 2019-05-11 07:09:12,586 INFO [SettingsManager.java:63]: * Nontermination analysis=LINEAR_WITH_GUESSES 2019-05-11 07:09:12,586 INFO [SettingsManager.java:61]: Preferences of BlockEncoding differ from their defaults: 2019-05-11 07:09:12,586 INFO [SettingsManager.java:63]: * Rating-Boundary (empty for LBE)=0 2019-05-11 07:09:12,586 INFO [SettingsManager.java:63]: * Strategy for the edge rating=DISJUNCTIVE_RATING 2019-05-11 07:09:12,587 INFO [SettingsManager.java:61]: Preferences of BuchiAutomizer differ from their defaults: 2019-05-11 07:09:12,587 INFO [SettingsManager.java:63]: * Lasso Analysis=Linear_with_guesses 2019-05-11 07:09:12,587 INFO [SettingsManager.java:63]: * Use external solver (rank synthesis)=false 2019-05-11 07:09:12,587 INFO [SettingsManager.java:63]: * Buchi interpolant automaton=StagedBlast 2019-05-11 07:09:12,587 INFO [SettingsManager.java:63]: * Construct termination proof for TermComp=true 2019-05-11 07:09:12,588 INFO [SettingsManager.java:61]: Preferences of CACSL2BoogieTranslator differ from their defaults: 2019-05-11 07:09:12,588 INFO [SettingsManager.java:63]: * Check unreachability of error function in SV-COMP mode=false 2019-05-11 07:09:12,588 INFO [SettingsManager.java:63]: * Size of pointer (in bytes)=8 2019-05-11 07:09:12,588 INFO [SettingsManager.java:63]: * Check if freed pointer was valid=false 2019-05-11 07:09:12,589 INFO [SettingsManager.java:63]: * How to treat unsigned ints differently from normal ones=IGNORE 2019-05-11 07:09:12,589 INFO [SettingsManager.java:61]: Preferences of CodeCheck differ from their defaults: 2019-05-11 07:09:12,589 INFO [SettingsManager.java:63]: * Timeout in seconds=100000 2019-05-11 07:09:12,589 INFO [SettingsManager.java:63]: * The redirection strategy for Impulse=RANDOmSTRONGEST 2019-05-11 07:09:12,589 INFO [SettingsManager.java:61]: Preferences of RCFGBuilder differ from their defaults: 2019-05-11 07:09:12,590 INFO [SettingsManager.java:63]: * Size of a code block=SequenceOfStatements 2019-05-11 07:09:12,590 INFO [SettingsManager.java:63]: * Convert code blocks to CNF=false 2019-05-11 07:09:12,590 INFO [SettingsManager.java:63]: * To the following directory=/home/matthias/ultimate/dump 2019-05-11 07:09:12,590 INFO [SettingsManager.java:63]: * Command for external solver=./../z3/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 2019-05-11 07:09:12,590 INFO [SettingsManager.java:61]: Preferences of TraceAbstraction differ from their defaults: 2019-05-11 07:09:12,591 INFO [SettingsManager.java:63]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 2019-05-11 07:09:12,591 INFO [SettingsManager.java:61]: Preferences of UltimateCore differ from their defaults: 2019-05-11 07:09:12,591 INFO [SettingsManager.java:63]: * Log level for plugins=warn 2019-05-11 07:09:12,591 INFO [SettingsManager.java:61]: Preferences of UltimateCore differ from their defaults: 2019-05-11 07:09:12,591 INFO [SettingsManager.java:63]: * Log level for plugins=warn 2019-05-11 07:09:12,592 INFO [UltimateCore.java:76]: Initializing controller ... 2019-05-11 07:09:12,807 INFO [PersistenceAwareModelManager.java:56]: Repository-Root is: /tmp 2019-05-11 07:09:12,814 INFO [ToolchainManager.java:402]: [Toolchain 1]: Parser CDTParser is usable for /export/starexec/sandbox2/benchmark/theBenchmark.c 2019-05-11 07:09:12,815 INFO [ToolchainManager.java:214]: [Toolchain 1]: Parser(s) successfully initiated... 2019-05-11 07:09:12,817 INFO [ToolchainManager.java:187]: [Toolchain 1]: Toolchain data selected. 2019-05-11 07:09:12,819 INFO [PluginConnector.java:252]: Initializing CDTParser... 2019-05-11 07:09:12,819 INFO [PluginConnector.java:257]: CDTParser initialized 2019-05-11 07:09:12,819 INFO [ToolchainManager.java:355]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 2019-05-11 07:09:12,941 INFO [ToolchainManager.java:238]: ####################### [Toolchain 1] ####################### 2019-05-11 07:09:12,968 INFO [ToolchainWalker.java:61]: Walking toolchain with 6 elements. 2019-05-11 07:09:12,969 INFO [PluginConnector.java:90]: ------------------------CACSL2BoogieTranslator---------------------------- 2019-05-11 07:09:12,969 INFO [PluginConnector.java:252]: Initializing CACSL2BoogieTranslator... 2019-05-11 07:09:12,972 INFO [PluginConnector.java:257]: CACSL2BoogieTranslator initialized 2019-05-11 07:09:12,973 INFO [PluginConnector.java:162]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.05 07:09:12" (1/1) ... 2019-05-11 07:09:13,080 INFO [PluginConnector.java:110]: ------------------------ END CACSL2BoogieTranslator---------------------------- 2019-05-11 07:09:13,081 INFO [PluginConnector.java:90]: ------------------------Boogie Preprocessor---------------------------- 2019-05-11 07:09:13,081 INFO [PluginConnector.java:252]: Initializing Boogie Preprocessor... 2019-05-11 07:09:13,081 INFO [PluginConnector.java:257]: Boogie Preprocessor initialized 2019-05-11 07:09:13,097 INFO [PluginConnector.java:162]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:09:13" (1/1) ... 2019-05-11 07:09:13,102 INFO [PluginConnector.java:162]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:09:13" (1/1) ... 2019-05-11 07:09:13,103 INFO [PluginConnector.java:162]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:09:13" (1/1) ... 2019-05-11 07:09:13,104 INFO [PluginConnector.java:162]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:09:13" (1/1) ... 2019-05-11 07:09:13,106 INFO [PluginConnector.java:162]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:09:13" (1/1) ... 2019-05-11 07:09:13,106 INFO [PluginConnector.java:162]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:09:13" (1/1) ... 2019-05-11 07:09:13,107 INFO [PluginConnector.java:110]: ------------------------ END Boogie Preprocessor---------------------------- 2019-05-11 07:09:13,108 INFO [PluginConnector.java:90]: ------------------------RCFGBuilder---------------------------- 2019-05-11 07:09:13,108 INFO [PluginConnector.java:252]: Initializing RCFGBuilder... 2019-05-11 07:09:13,108 INFO [PluginConnector.java:257]: RCFGBuilder initialized 2019-05-11 07:09:13,110 INFO [PluginConnector.java:162]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:09:13" (1/1) ... 2019-05-11 07:09:13,206 INFO [MonitoredProcess.java:173]: Starting monitored process 1 with ./../z3/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 2019-05-11 07:09:13,208 INFO [MonitoredProcess.java:275]: Waiting until toolchain timeout for monitored process 1 with ./../z3/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 2019-05-11 07:09:13,307 INFO [PluginConnector.java:110]: ------------------------ END RCFGBuilder---------------------------- 2019-05-11 07:09:13,308 INFO [PluginConnector.java:90]: ------------------------BlockEncoding---------------------------- 2019-05-11 07:09:13,308 INFO [PluginConnector.java:252]: Initializing BlockEncoding... 2019-05-11 07:09:13,309 INFO [PluginConnector.java:257]: BlockEncoding initialized 2019-05-11 07:09:13,309 INFO [PluginConnector.java:162]: Executing the observer BlockEncodingObserver from plugin BlockEncoding for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.05 07:09:13" (1/1) ... 2019-05-11 07:09:13,327 INFO [PluginConnector.java:162]: Executing the observer MinModelConversionObserver from plugin BlockEncoding for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.05 07:09:13" (1/1) ... 2019-05-11 07:09:13,350 WARN [TransFormula.java:607]: CodeBlock already infeasible 2019-05-11 07:09:13,351 WARN [TransFormula.java:607]: CodeBlock already infeasible 2019-05-11 07:09:13,355 WARN [TransFormula.java:607]: CodeBlock already infeasible 2019-05-11 07:09:13,356 WARN [TransFormula.java:607]: CodeBlock already infeasible 2019-05-11 07:09:13,356 INFO [PluginConnector.java:110]: ------------------------ END BlockEncoding---------------------------- 2019-05-11 07:09:13,357 INFO [PluginConnector.java:90]: ------------------------TraceAbstraction---------------------------- 2019-05-11 07:09:13,357 INFO [PluginConnector.java:252]: Initializing TraceAbstraction... 2019-05-11 07:09:13,358 INFO [PluginConnector.java:257]: TraceAbstraction initialized 2019-05-11 07:09:13,358 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.05 07:09:12" (1/5) ... 2019-05-11 07:09:13,360 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.05 07:09:13" (2/5) ... 2019-05-11 07:09:13,360 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:09:13" (3/5) ... 2019-05-11 07:09:13,361 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "BlockEncodedModel CFG 11.05 07:09:13" (4/5) ... 2019-05-11 07:09:13,361 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.blockencoding CFG 11.05 07:09:13" (5/5) ... Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 2019-05-11 07:09:13,447 INFO [PluginConnector.java:110]: ------------------------ END TraceAbstraction---------------------------- 2019-05-11 07:09:13,448 INFO [PluginConnector.java:90]: ------------------------BuchiAutomizer---------------------------- 2019-05-11 07:09:13,448 INFO [PluginConnector.java:252]: Initializing BuchiAutomizer... 2019-05-11 07:09:13,448 INFO [PluginConnector.java:257]: BuchiAutomizer initialized 2019-05-11 07:09:13,453 INFO [PluginConnector.java:162]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.05 07:09:13" (1/1) ... 2019-05-11 07:09:13,894 WARN [BoogiePreprocessorBacktranslator.java:298]: No declaration in symboltable, using identity as back-translation of IdentifierExpression[~unnamed0~false,GLOBAL] 2019-05-11 07:09:13,895 WARN [BoogiePreprocessorBacktranslator.java:298]: No declaration in symboltable, using identity as back-translation of IdentifierExpression[~unnamed0~true,GLOBAL] 2019-05-11 07:09:13,896 WARN [BoogiePreprocessorBacktranslator.java:298]: No declaration in symboltable, using identity as back-translation of IdentifierExpression[~unnamed0~false,GLOBAL] 2019-05-11 07:09:13,896 WARN [BoogiePreprocessorBacktranslator.java:298]: No declaration in symboltable, using identity as back-translation of IdentifierExpression[~unnamed0~true,GLOBAL] 2019-05-11 07:09:13,897 WARN [BoogiePreprocessorBacktranslator.java:298]: No declaration in symboltable, using identity as back-translation of IdentifierExpression[~unnamed0~false,GLOBAL] 2019-05-11 07:09:13,897 WARN [BoogiePreprocessorBacktranslator.java:298]: No declaration in symboltable, using identity as back-translation of IdentifierExpression[~unnamed0~true,GLOBAL] 2019-05-11 07:09:13,912 INFO [PluginConnector.java:110]: ------------------------ END BuchiAutomizer---------------------------- 2019-05-11 07:09:13,913 INFO [Benchmark.java:150]: Toolchain (without parser) took 971.23 ms. Allocated memory is still 643.3 MB. Free memory was 604.1 MB in the beginning and 535.2 MB in the end (delta: 69.0 MB). Peak memory consumption was 69.0 MB. Max. memory is 53.1 GB 2019-05-11 07:09:13,915 INFO [Benchmark.java:150]: CDTParser took 111.35 ms. Allocated memory is still 643.3 MB. Free memory was 612.2 MB in the beginning and 605.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 53.1 GB 2019-05-11 07:09:13,916 INFO [Benchmark.java:150]: CACSL2BoogieTranslator took 111.75 ms. Allocated memory is still 643.3 MB. Free memory was 604.1 MB in the beginning and 600.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 53.1 GB 2019-05-11 07:09:13,917 INFO [Benchmark.java:150]: Boogie Preprocessor took 26.53 ms. Allocated memory is still 643.3 MB. Free memory was 600.1 MB in the beginning and 598.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 53.1 GB 2019-05-11 07:09:13,918 INFO [Benchmark.java:150]: RCFGBuilder took 199.77 ms. Allocated memory is still 643.3 MB. Free memory was 598.8 MB in the beginning and 584.6 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 53.1 GB 2019-05-11 07:09:13,919 INFO [Benchmark.java:150]: BlockEncoding took 48.91 ms. Allocated memory is still 643.3 MB. Free memory was 584.6 MB in the beginning and 581.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 53.1 GB 2019-05-11 07:09:13,919 INFO [Benchmark.java:150]: TraceAbstraction took 90.75 ms. Allocated memory is still 643.3 MB. Free memory was 581.9 MB in the beginning and 575.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 53.1 GB 2019-05-11 07:09:13,920 INFO [Benchmark.java:150]: BuchiAutomizer took 464.64 ms. Allocated memory is still 643.3 MB. Free memory was 575.2 MB in the beginning and 536.5 MB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 53.1 GB 2019-05-11 07:09:13,926 INFO [ResultNotifier.java:119]: RESULT: Ultimate could not prove your program: Toolchain returned no Result. RESULT: Ultimate could not prove your program: Toolchain returned no Result. 2019-05-11 07:09:13,927 INFO [ToolchainManager.java:286]: ####################### End [Toolchain 1] ####################### 2019-05-11 07:09:13,927 INFO [BasicToolchainJob.java:73]: --- Results --- 2019-05-11 07:09:13,927 INFO [BasicToolchainJob.java:75]: * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: 2019-05-11 07:09:13,927 INFO [BasicToolchainJob.java:89]: - GenericResult: Unfinished Backtranslation 2019-05-11 07:09:13,928 INFO [BasicToolchainJob.java:95]: No declaration in symboltable, using identity as back-translation of IdentifierExpression[~unnamed0~false,GLOBAL] 2019-05-11 07:09:13,928 INFO [BasicToolchainJob.java:89]: - GenericResult: Unfinished Backtranslation 2019-05-11 07:09:13,928 INFO [BasicToolchainJob.java:95]: No declaration in symboltable, using identity as back-translation of IdentifierExpression[~unnamed0~true,GLOBAL] 2019-05-11 07:09:13,928 INFO [BasicToolchainJob.java:89]: - GenericResult: Unfinished Backtranslation 2019-05-11 07:09:13,928 INFO [BasicToolchainJob.java:95]: No declaration in symboltable, using identity as back-translation of IdentifierExpression[~unnamed0~false,GLOBAL] 2019-05-11 07:09:13,928 INFO [BasicToolchainJob.java:89]: - GenericResult: Unfinished Backtranslation 2019-05-11 07:09:13,928 INFO [BasicToolchainJob.java:95]: No declaration in symboltable, using identity as back-translation of IdentifierExpression[~unnamed0~true,GLOBAL] 2019-05-11 07:09:13,928 INFO [BasicToolchainJob.java:89]: - GenericResult: Unfinished Backtranslation 2019-05-11 07:09:13,929 INFO [BasicToolchainJob.java:95]: No declaration in symboltable, using identity as back-translation of IdentifierExpression[~unnamed0~false,GLOBAL] 2019-05-11 07:09:13,929 INFO [BasicToolchainJob.java:89]: - GenericResult: Unfinished Backtranslation 2019-05-11 07:09:13,929 INFO [BasicToolchainJob.java:95]: No declaration in symboltable, using identity as back-translation of IdentifierExpression[~unnamed0~true,GLOBAL] 2019-05-11 07:09:13,929 INFO [BasicToolchainJob.java:75]: * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 2019-05-11 07:09:13,929 INFO [BasicToolchainJob.java:89]: - AllSpecificationsHoldResult: All specifications hold 2019-05-11 07:09:13,929 INFO [BasicToolchainJob.java:95]: We were not able to verify any specifiation because the program does not contain any specification. 2019-05-11 07:09:13,929 INFO [BasicToolchainJob.java:89]: - ProcedureContractResult [Line: 13]: Procedure Contract for main 2019-05-11 07:09:13,929 INFO [BasicToolchainJob.java:95]: Derived contract for procedure main: 1 2019-05-11 07:09:13,930 INFO [BasicToolchainJob.java:89]: - InvariantResult [Line: 20]: Loop Invariant 2019-05-11 07:09:13,930 INFO [BasicToolchainJob.java:95]: Derived loop invariant: 1 2019-05-11 07:09:13,930 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Ultimate Automizer benchmark data 2019-05-11 07:09:13,930 INFO [BasicToolchainJob.java:95]: CFG has 10 locations, 0 error locations. Automizer needed 0.0s and 0 iterations. Automata difference (including EdgeChecker) took 0.0s. Computation of Hoare annotation took 0.0s. Minimization removed 0 states and took 0.0s. Biggest automaton had 10 states and ocurred in iteration 0. InterpolantCoveringCapability: 0/0 ICC %: NaN EdgeCheckerBenchmarkData: No data available TraceCheckerBenchmark: No data available InterpolantConsolidationBenchmark: No data available 2019-05-11 07:09:13,930 INFO [BasicToolchainJob.java:75]: * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: 2019-05-11 07:09:13,930 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Constructed decomposition of program 2019-05-11 07:09:13,930 INFO [BasicToolchainJob.java:95]: Trivial decomposition into one nonterminating module. 2019-05-11 07:09:13,930 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Constructed termination proof in form of nested word automata 2019-05-11 07:09:13,931 INFO [BasicToolchainJob.java:95]: Program is not terminating, hence no termination proof 2019-05-11 07:09:13,931 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Timing statistics 2019-05-11 07:09:13,932 INFO [BasicToolchainJob.java:95]: BüchiAutomizer plugin needed 0.4s and 1 iterations. Analysis of lassos took 0.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization removed 0 states and took 0.0s. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 EdgeCheckerBenchmarkData: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Termination: inital12 mio100 ax200 hnf104 lsp52 arr100 mio100 lsp100 div100 bol100 ite100 ukn100 eq207 hnf88 smp100 dnf100 smp100 tf108 neg100 sie100 Nontermination: inital12 mio100 ax200 hnf104 lsp52 arr100 mio100 lsp100 div100 bol100 ite100 ukn100 eq207 hnf88 smp100 dnf100 smp100 tf108 neg100 sie100 LassoTerminationAnalysisBenchmarks: not available 2019-05-11 07:09:13,932 INFO [BasicToolchainJob.java:89]: - TerminationAnalysisResult: Nontermination possible 2019-05-11 07:09:13,932 INFO [BasicToolchainJob.java:95]: Buchi Automizer proved that your program is nonterminating for some inputs 2019-05-11 07:09:13,932 INFO [BasicToolchainJob.java:89]: - NonTerminationArgumentResult [Line: 20]: Nontermination argument in form of an infinite program execution. 2019-05-11 07:09:13,932 WARN [BoogiePreprocessorBacktranslator.java:298]: No declaration in symboltable, using identity as back-translation of IdentifierExpression[~unnamed0~false,GLOBAL] 2019-05-11 07:09:13,933 WARN [BoogiePreprocessorBacktranslator.java:298]: No declaration in symboltable, using identity as back-translation of IdentifierExpression[~unnamed0~true,GLOBAL] 2019-05-11 07:09:13,933 WARN [BoogiePreprocessorBacktranslator.java:298]: No declaration in symboltable, using identity as back-translation of IdentifierExpression[~unnamed0~false,GLOBAL] 2019-05-11 07:09:13,933 WARN [BoogiePreprocessorBacktranslator.java:298]: No declaration in symboltable, using identity as back-translation of IdentifierExpression[~unnamed0~true,GLOBAL] 2019-05-11 07:09:13,933 WARN [BoogiePreprocessorBacktranslator.java:298]: No declaration in symboltable, using identity as back-translation of IdentifierExpression[~unnamed0~false,GLOBAL] 2019-05-11 07:09:13,934 WARN [BoogiePreprocessorBacktranslator.java:298]: No declaration in symboltable, using identity as back-translation of IdentifierExpression[~unnamed0~true,GLOBAL] 2019-05-11 07:09:13,934 WARN [BoogiePreprocessorBacktranslator.java:298]: No declaration in symboltable, using identity as back-translation of IdentifierExpression[~unnamed0~false,GLOBAL] 2019-05-11 07:09:13,934 WARN [BoogiePreprocessorBacktranslator.java:298]: No declaration in symboltable, using identity as back-translation of IdentifierExpression[~unnamed0~true,GLOBAL] 2019-05-11 07:09:13,934 WARN [BoogiePreprocessorBacktranslator.java:298]: No declaration in symboltable, using identity as back-translation of IdentifierExpression[~unnamed0~false,GLOBAL] 2019-05-11 07:09:13,935 WARN [BoogiePreprocessorBacktranslator.java:298]: No declaration in symboltable, using identity as back-translation of IdentifierExpression[~unnamed0~true,GLOBAL] 2019-05-11 07:09:13,935 WARN [BoogiePreprocessorBacktranslator.java:298]: No declaration in symboltable, using identity as back-translation of IdentifierExpression[~unnamed0~false,GLOBAL] 2019-05-11 07:09:13,935 WARN [BoogiePreprocessorBacktranslator.java:298]: No declaration in symboltable, using identity as back-translation of IdentifierExpression[~unnamed0~true,GLOBAL] 2019-05-11 07:09:13,935 INFO [BasicToolchainJob.java:95]: Nontermination argument in form of an infinite execution State at position 0 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@157046fe=0, oldx=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61e40a9a=0, x=0, y=0, ~unnamed0~false=0, ~unnamed0~true=0} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@157046fe=0, oldx=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61e40a9a=0, x=0, y=0, ~unnamed0~false=0, ~unnamed0~true=0} For i>1, the state at position i is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@157046fe=0, oldx=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61e40a9a=0, x=0, y=0, ~unnamed0~false=0, ~unnamed0~true=0} 2019-05-11 07:09:13,935 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: NonterminationBenchmark 2019-05-11 07:09:13,936 INFO [BasicToolchainJob.java:95]: Fixpoint Lambdas: [0, 0, 0, 0, 0] Ray: is zero 2019-05-11 07:09:13,936 INFO [BasicToolchainJob.java:89]: - NonterminatingLassoResult [Line: 20]: Nonterminating execution 2019-05-11 07:09:13,937 INFO [BasicToolchainJob.java:95]: Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L15] int oldx; [L16] int x; [L17] int y; [L18] x = __VERIFIER_nondet_int() [L19] y = __VERIFIER_nondet_int() Loop: [L20] COND TRUE \read(true) [L21] oldx = x [L22] x = -y [L23] y = oldx End of lasso representation. 2019-05-11 07:09:13,937 INFO [BasicToolchainJob.java:75]: * Results from UltimateCore: 2019-05-11 07:09:13,937 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Toolchain Benchmarks 2019-05-11 07:09:13,943 INFO [BasicToolchainJob.java:95]: Benchmark results are: * CDTParser took 111.35 ms. Allocated memory is still 643.3 MB. Free memory was 612.2 MB in the beginning and 605.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 53.1 GB * CACSL2BoogieTranslator took 111.75 ms. Allocated memory is still 643.3 MB. Free memory was 604.1 MB in the beginning and 600.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 53.1 GB * Boogie Preprocessor took 26.53 ms. Allocated memory is still 643.3 MB. Free memory was 600.1 MB in the beginning and 598.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 53.1 GB * RCFGBuilder took 199.77 ms. Allocated memory is still 643.3 MB. Free memory was 598.8 MB in the beginning and 584.6 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 53.1 GB * BlockEncoding took 48.91 ms. Allocated memory is still 643.3 MB. Free memory was 584.6 MB in the beginning and 581.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 53.1 GB * TraceAbstraction took 90.75 ms. Allocated memory is still 643.3 MB. Free memory was 581.9 MB in the beginning and 575.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 53.1 GB * BuchiAutomizer took 464.64 ms. Allocated memory is still 643.3 MB. Free memory was 575.2 MB in the beginning and 536.5 MB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 53.1 GB 2019-05-11 07:09:13,969 INFO [UltimateCore.java:84]: Preparing to exit Ultimate with return code 0 Closed successfully