MAYBE 2019-05-11 07:12:25,451 INFO [UltimateCore.java:185]: Initializing application 2019-05-11 07:12:25,454 INFO [UltimateCore.java:202]: -------------------------------------------------------------------------------- 2019-05-11 07:12:25,457 INFO [PluginFactory.java:62]: -------------------------------------------------------------------------------- 2019-05-11 07:12:25,458 INFO [PluginFactory.java:63]: Detecting plugins... 2019-05-11 07:12:25,459 INFO [PluginFactory.java:287]: 1 IController plugins available 2019-05-11 07:12:25,459 INFO [PluginFactory.java:287]: 4 ISource plugins available 2019-05-11 07:12:25,459 INFO [PluginFactory.java:287]: 1 IOutput plugins available 2019-05-11 07:12:25,460 INFO [PluginFactory.java:287]: 10 IGenerator plugins available 2019-05-11 07:12:25,460 INFO [PluginFactory.java:287]: 5 IAnalysis plugins available 2019-05-11 07:12:25,462 INFO [PluginFactory.java:241]: Loaded controller UltimateCore 2019-05-11 07:12:25,463 INFO [PluginFactory.java:70]: Finished detecting plugins! 2019-05-11 07:12:25,463 INFO [PluginFactory.java:71]: Loading services ... 2019-05-11 07:12:25,463 INFO [PluginFactory.java:272]: 0 IServiceFactory services available 2019-05-11 07:12:25,463 INFO [PluginFactory.java:73]: Finished loading services! 2019-05-11 07:12:25,464 INFO [PluginFactory.java:74]: -------------------------------------------------------------------------------- 2019-05-11 07:12:25,465 INFO [SettingsManager.java:46]: Loading settings from ./../termcomp2015.epf 2019-05-11 07:12:27,106 INFO [SettingsManager.java:54]: Loading preferences was successful 2019-05-11 07:12:27,106 INFO [SettingsManager.java:55]: Preferences different from defaults: 2019-05-11 07:12:27,106 INFO [PluginFactory.java:178]: -------------------------------------------------------------------------------- 2019-05-11 07:12:27,106 INFO [PluginFactory.java:179]: Loading all admissible plugins (creating one instance, loading preferences) 2019-05-11 07:12:27,453 INFO [PluginFactory.java:196]: Finished loading 20 admissible plugins (all were admissible) 2019-05-11 07:12:27,453 INFO [PluginFactory.java:198]: -------------------------------------------------------------------------------- 2019-05-11 07:12:27,453 INFO [SettingsManager.java:61]: Preferences of LassoRanker differ from their defaults: 2019-05-11 07:12:27,454 INFO [SettingsManager.java:63]: * Only non-decreasing invariants=true 2019-05-11 07:12:27,454 INFO [SettingsManager.java:63]: * Termination analysis=LINEAR_WITH_GUESSES 2019-05-11 07:12:27,454 INFO [SettingsManager.java:63]: * SMT solver command=z3 -smt2 -in SMTLIB2_COMPLIANT=true 2019-05-11 07:12:27,454 INFO [SettingsManager.java:63]: * Nontermination analysis=LINEAR_WITH_GUESSES 2019-05-11 07:12:27,454 INFO [SettingsManager.java:61]: Preferences of BlockEncoding differ from their defaults: 2019-05-11 07:12:27,454 INFO [SettingsManager.java:63]: * Rating-Boundary (empty for LBE)=0 2019-05-11 07:12:27,455 INFO [SettingsManager.java:63]: * Strategy for the edge rating=DISJUNCTIVE_RATING 2019-05-11 07:12:27,455 INFO [SettingsManager.java:61]: Preferences of BuchiAutomizer differ from their defaults: 2019-05-11 07:12:27,455 INFO [SettingsManager.java:63]: * Lasso Analysis=Linear_with_guesses 2019-05-11 07:12:27,455 INFO [SettingsManager.java:63]: * Use external solver (rank synthesis)=false 2019-05-11 07:12:27,455 INFO [SettingsManager.java:63]: * Buchi interpolant automaton=StagedBlast 2019-05-11 07:12:27,456 INFO [SettingsManager.java:63]: * Construct termination proof for TermComp=true 2019-05-11 07:12:27,456 INFO [SettingsManager.java:61]: Preferences of CACSL2BoogieTranslator differ from their defaults: 2019-05-11 07:12:27,456 INFO [SettingsManager.java:63]: * Check unreachability of error function in SV-COMP mode=false 2019-05-11 07:12:27,456 INFO [SettingsManager.java:63]: * Size of pointer (in bytes)=8 2019-05-11 07:12:27,456 INFO [SettingsManager.java:63]: * Check if freed pointer was valid=false 2019-05-11 07:12:27,456 INFO [SettingsManager.java:63]: * How to treat unsigned ints differently from normal ones=IGNORE 2019-05-11 07:12:27,457 INFO [SettingsManager.java:61]: Preferences of CodeCheck differ from their defaults: 2019-05-11 07:12:27,457 INFO [SettingsManager.java:63]: * Timeout in seconds=100000 2019-05-11 07:12:27,457 INFO [SettingsManager.java:63]: * The redirection strategy for Impulse=RANDOmSTRONGEST 2019-05-11 07:12:27,457 INFO [SettingsManager.java:61]: Preferences of RCFGBuilder differ from their defaults: 2019-05-11 07:12:27,457 INFO [SettingsManager.java:63]: * Size of a code block=SequenceOfStatements 2019-05-11 07:12:27,458 INFO [SettingsManager.java:63]: * Convert code blocks to CNF=false 2019-05-11 07:12:27,458 INFO [SettingsManager.java:63]: * To the following directory=/home/matthias/ultimate/dump 2019-05-11 07:12:27,458 INFO [SettingsManager.java:63]: * Command for external solver=./../z3/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 2019-05-11 07:12:27,458 INFO [SettingsManager.java:61]: Preferences of TraceAbstraction differ from their defaults: 2019-05-11 07:12:27,458 INFO [SettingsManager.java:63]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 2019-05-11 07:12:27,458 INFO [SettingsManager.java:61]: Preferences of UltimateCore differ from their defaults: 2019-05-11 07:12:27,459 INFO [SettingsManager.java:63]: * Log level for plugins=warn 2019-05-11 07:12:27,459 INFO [SettingsManager.java:61]: Preferences of UltimateCore differ from their defaults: 2019-05-11 07:12:27,459 INFO [SettingsManager.java:63]: * Log level for plugins=warn 2019-05-11 07:12:27,459 INFO [UltimateCore.java:76]: Initializing controller ... 2019-05-11 07:12:27,673 INFO [PersistenceAwareModelManager.java:56]: Repository-Root is: /tmp 2019-05-11 07:12:27,679 INFO [ToolchainManager.java:402]: [Toolchain 1]: Parser CDTParser is usable for /export/starexec/sandbox2/benchmark/theBenchmark.c 2019-05-11 07:12:27,679 INFO [ToolchainManager.java:214]: [Toolchain 1]: Parser(s) successfully initiated... 2019-05-11 07:12:27,682 INFO [ToolchainManager.java:187]: [Toolchain 1]: Toolchain data selected. 2019-05-11 07:12:27,683 INFO [PluginConnector.java:252]: Initializing CDTParser... 2019-05-11 07:12:27,683 INFO [PluginConnector.java:257]: CDTParser initialized 2019-05-11 07:12:27,683 INFO [ToolchainManager.java:355]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 2019-05-11 07:12:27,805 INFO [ToolchainManager.java:238]: ####################### [Toolchain 1] ####################### 2019-05-11 07:12:27,806 INFO [ToolchainWalker.java:61]: Walking toolchain with 6 elements. 2019-05-11 07:12:27,807 INFO [PluginConnector.java:90]: ------------------------CACSL2BoogieTranslator---------------------------- 2019-05-11 07:12:27,807 INFO [PluginConnector.java:252]: Initializing CACSL2BoogieTranslator... 2019-05-11 07:12:27,810 INFO [PluginConnector.java:257]: CACSL2BoogieTranslator initialized 2019-05-11 07:12:27,811 INFO [PluginConnector.java:162]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.05 07:12:27" (1/1) ... 2019-05-11 07:12:27,916 INFO [PluginConnector.java:110]: ------------------------ END CACSL2BoogieTranslator---------------------------- 2019-05-11 07:12:27,917 INFO [PluginConnector.java:90]: ------------------------Boogie Preprocessor---------------------------- 2019-05-11 07:12:27,917 INFO [PluginConnector.java:252]: Initializing Boogie Preprocessor... 2019-05-11 07:12:27,917 INFO [PluginConnector.java:257]: Boogie Preprocessor initialized 2019-05-11 07:12:27,933 INFO [PluginConnector.java:162]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:12:27" (1/1) ... 2019-05-11 07:12:27,937 INFO [PluginConnector.java:162]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:12:27" (1/1) ... 2019-05-11 07:12:27,937 INFO [PluginConnector.java:162]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:12:27" (1/1) ... 2019-05-11 07:12:27,939 INFO [PluginConnector.java:162]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:12:27" (1/1) ... 2019-05-11 07:12:27,940 INFO [PluginConnector.java:162]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:12:27" (1/1) ... 2019-05-11 07:12:27,941 INFO [PluginConnector.java:162]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:12:27" (1/1) ... 2019-05-11 07:12:27,942 INFO [PluginConnector.java:110]: ------------------------ END Boogie Preprocessor---------------------------- 2019-05-11 07:12:27,942 INFO [PluginConnector.java:90]: ------------------------RCFGBuilder---------------------------- 2019-05-11 07:12:27,942 INFO [PluginConnector.java:252]: Initializing RCFGBuilder... 2019-05-11 07:12:27,942 INFO [PluginConnector.java:257]: RCFGBuilder initialized 2019-05-11 07:12:27,944 INFO [PluginConnector.java:162]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:12:27" (1/1) ... 2019-05-11 07:12:28,039 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 07:12:28,041 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 07:12:28,151 INFO [PluginConnector.java:110]: ------------------------ END RCFGBuilder---------------------------- 2019-05-11 07:12:28,151 INFO [PluginConnector.java:90]: ------------------------BlockEncoding---------------------------- 2019-05-11 07:12:28,151 INFO [PluginConnector.java:252]: Initializing BlockEncoding... 2019-05-11 07:12:28,153 INFO [PluginConnector.java:257]: BlockEncoding initialized 2019-05-11 07:12:28,153 INFO [PluginConnector.java:162]: Executing the observer BlockEncodingObserver from plugin BlockEncoding for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.05 07:12:28" (1/1) ... 2019-05-11 07:12:28,166 INFO [PluginConnector.java:162]: Executing the observer MinModelConversionObserver from plugin BlockEncoding for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.05 07:12:28" (1/1) ... 2019-05-11 07:12:28,200 WARN [TransFormula.java:607]: CodeBlock already infeasible 2019-05-11 07:12:28,201 WARN [TransFormula.java:607]: CodeBlock already infeasible 2019-05-11 07:12:28,202 INFO [PluginConnector.java:110]: ------------------------ END BlockEncoding---------------------------- 2019-05-11 07:12:28,202 INFO [PluginConnector.java:90]: ------------------------TraceAbstraction---------------------------- 2019-05-11 07:12:28,203 INFO [PluginConnector.java:252]: Initializing TraceAbstraction... 2019-05-11 07:12:28,204 INFO [PluginConnector.java:257]: TraceAbstraction initialized 2019-05-11 07:12:28,204 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.05 07:12:27" (1/5) ... 2019-05-11 07:12:28,205 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "BlockEncodedModel CFG 11.05 07:12:28" (2/5) ... 2019-05-11 07:12:28,205 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.05 07:12:28" (3/5) ... 2019-05-11 07:12:28,206 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.blockencoding CFG 11.05 07:12:28" (4/5) ... 2019-05-11 07:12:28,206 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:12:27" (5/5) ... Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 2019-05-11 07:12:28,295 INFO [PluginConnector.java:110]: ------------------------ END TraceAbstraction---------------------------- 2019-05-11 07:12:28,295 INFO [PluginConnector.java:90]: ------------------------BuchiAutomizer---------------------------- 2019-05-11 07:12:28,295 INFO [PluginConnector.java:252]: Initializing BuchiAutomizer... 2019-05-11 07:12:28,297 INFO [PluginConnector.java:257]: BuchiAutomizer initialized 2019-05-11 07:12:28,299 INFO [PluginConnector.java:162]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.05 07:12:28" (1/1) ... 2019-05-11 07:12:28,879 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:28,881 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:28,887 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:29,119 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:29,123 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:29,126 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:29,565 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:29,570 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:29,587 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:32,293 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:32,297 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:32,300 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:32,349 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:32,353 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:32,356 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:33,186 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:33,188 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:33,372 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:33,375 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:33,377 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:33,912 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:33,915 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:33,918 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:37,935 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:37,938 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:37,939 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:38,016 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:38,019 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:38,021 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:38,472 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:38,481 INFO [PluginConnector.java:110]: ------------------------ END BuchiAutomizer---------------------------- 2019-05-11 07:12:38,482 INFO [Benchmark.java:150]: Toolchain (without parser) took 10676.57 ms. Allocated memory was 649.6 MB in the beginning and 2.5 GB in the end (delta: 1.9 GB). Free memory was 613.0 MB in the beginning and 2.4 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.7 GB. Max. memory is 53.1 GB 2019-05-11 07:12:38,484 INFO [Benchmark.java:150]: CDTParser took 109.77 ms. Allocated memory is still 649.6 MB. Free memory was 621.1 MB in the beginning and 614.3 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 53.1 GB 2019-05-11 07:12:38,485 INFO [Benchmark.java:150]: CACSL2BoogieTranslator took 110.04 ms. Allocated memory is still 649.6 MB. Free memory was 613.0 MB in the beginning and 606.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 53.1 GB 2019-05-11 07:12:38,486 INFO [Benchmark.java:150]: Boogie Preprocessor took 25.05 ms. Allocated memory is still 649.6 MB. Free memory was 606.2 MB in the beginning and 604.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 53.1 GB 2019-05-11 07:12:38,487 INFO [Benchmark.java:150]: RCFGBuilder took 208.79 ms. Allocated memory is still 649.6 MB. Free memory was 604.9 MB in the beginning and 589.8 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 53.1 GB 2019-05-11 07:12:38,487 INFO [Benchmark.java:150]: BlockEncoding took 51.07 ms. Allocated memory is still 649.6 MB. Free memory was 589.8 MB in the beginning and 585.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 53.1 GB 2019-05-11 07:12:38,488 INFO [Benchmark.java:150]: TraceAbstraction took 92.63 ms. Allocated memory is still 649.6 MB. Free memory was 585.7 MB in the beginning and 580.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 53.1 GB 2019-05-11 07:12:38,489 INFO [Benchmark.java:150]: BuchiAutomizer took 10185.65 ms. Allocated memory was 649.6 MB in the beginning and 2.5 GB in the end (delta: 1.9 GB). Free memory was 580.3 MB in the beginning and 2.4 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.6 GB. Max. memory is 53.1 GB 2019-05-11 07:12:38,495 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 07:12:38,496 INFO [ToolchainManager.java:286]: ####################### End [Toolchain 1] ####################### 2019-05-11 07:12:38,496 INFO [BasicToolchainJob.java:73]: --- Results --- 2019-05-11 07:12:38,496 INFO [BasicToolchainJob.java:75]: * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 2019-05-11 07:12:38,496 INFO [BasicToolchainJob.java:89]: - AllSpecificationsHoldResult: All specifications hold 2019-05-11 07:12:38,496 INFO [BasicToolchainJob.java:95]: We were not able to verify any specifiation because the program does not contain any specification. 2019-05-11 07:12:38,496 INFO [BasicToolchainJob.java:89]: - ProcedureContractResult [Line: 10]: Procedure Contract for main 2019-05-11 07:12:38,496 INFO [BasicToolchainJob.java:95]: Derived contract for procedure main: 1 2019-05-11 07:12:38,497 INFO [BasicToolchainJob.java:89]: - InvariantResult [Line: 17]: Loop Invariant 2019-05-11 07:12:38,497 INFO [BasicToolchainJob.java:95]: Derived loop invariant: 1 2019-05-11 07:12:38,497 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Ultimate Automizer benchmark data 2019-05-11 07:12:38,497 INFO [BasicToolchainJob.java:95]: CFG has 11 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 11 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 07:12:38,497 INFO [BasicToolchainJob.java:75]: * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: 2019-05-11 07:12:38,497 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Constructed decomposition of program 2019-05-11 07:12:38,497 INFO [BasicToolchainJob.java:95]: Trivial decomposition into one module whose termination is unknown. 2019-05-11 07:12:38,497 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Constructed termination proof in form of nested word automata 2019-05-11 07:12:38,498 INFO [BasicToolchainJob.java:95]: Unable to prove termination 2019-05-11 07:12:38,498 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Timing statistics 2019-05-11 07:12:38,499 INFO [BasicToolchainJob.java:95]: BüchiAutomizer plugin needed 10.1s and 1 iterations. Analysis of lassos took 10.1s. 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: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Termination: inital25 mio100 ax100 hnf100 lsp100 arr100 mio100 lsp100 div100 bol100 ite100 ukn100 eq176 hnf94 smp100 dnf100 smp100 tf103 neg100 sie100 Nontermination: inital25 mio100 ax100 hnf100 lsp100 arr100 mio100 lsp100 div100 bol100 ite100 ukn100 eq176 hnf94 smp100 dnf100 smp100 tf103 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 450ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 2019-05-11 07:12:38,499 INFO [BasicToolchainJob.java:89]: - TerminationAnalysisResult: Unable to decide termination 2019-05-11 07:12:38,499 INFO [BasicToolchainJob.java:95]: Buchi Automizer is unable to decide termination for the following lasso. Stem: "call ULTIMATE.init();"< "assume true;" >"return;" "call #t~ret2 := main();"< "havoc ~x~2;havoc ~y~2;~x~2 := #t~nondet0;havoc #t~nondet0;~y~2 := #t~nondet1;havoc #t~nondet1;assume ~x~2 + ~y~2 > 1;" "assume true;assume !!(~x~2 > 0);~x~2 := ~x~2 + ~x~2 + ~y~2;~y~2 := ~y~2 - 1;" Loop: "assume true;assume !!(~x~2 > 0);~x~2 := ~x~2 + ~x~2 + ~y~2;~y~2 := ~y~2 - 1;" 2019-05-11 07:12:38,499 INFO [BasicToolchainJob.java:75]: * Results from UltimateCore: 2019-05-11 07:12:38,499 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Toolchain Benchmarks 2019-05-11 07:12:38,505 INFO [BasicToolchainJob.java:95]: Benchmark results are: * CDTParser took 109.77 ms. Allocated memory is still 649.6 MB. Free memory was 621.1 MB in the beginning and 614.3 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 53.1 GB * CACSL2BoogieTranslator took 110.04 ms. Allocated memory is still 649.6 MB. Free memory was 613.0 MB in the beginning and 606.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 53.1 GB * Boogie Preprocessor took 25.05 ms. Allocated memory is still 649.6 MB. Free memory was 606.2 MB in the beginning and 604.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 53.1 GB * RCFGBuilder took 208.79 ms. Allocated memory is still 649.6 MB. Free memory was 604.9 MB in the beginning and 589.8 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 53.1 GB * BlockEncoding took 51.07 ms. Allocated memory is still 649.6 MB. Free memory was 589.8 MB in the beginning and 585.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 53.1 GB * TraceAbstraction took 92.63 ms. Allocated memory is still 649.6 MB. Free memory was 585.7 MB in the beginning and 580.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 53.1 GB * BuchiAutomizer took 10185.65 ms. Allocated memory was 649.6 MB in the beginning and 2.5 GB in the end (delta: 1.9 GB). Free memory was 580.3 MB in the beginning and 2.4 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.6 GB. Max. memory is 53.1 GB 2019-05-11 07:12:38,530 INFO [UltimateCore.java:84]: Preparing to exit Ultimate with return code 0 Closed successfully