MAYBE 2019-05-11 07:10:39,421 INFO [UltimateCore.java:185]: Initializing application 2019-05-11 07:10:39,424 INFO [UltimateCore.java:202]: -------------------------------------------------------------------------------- 2019-05-11 07:10:39,427 INFO [PluginFactory.java:62]: -------------------------------------------------------------------------------- 2019-05-11 07:10:39,428 INFO [PluginFactory.java:63]: Detecting plugins... 2019-05-11 07:10:39,428 INFO [PluginFactory.java:287]: 1 IController plugins available 2019-05-11 07:10:39,429 INFO [PluginFactory.java:287]: 4 ISource plugins available 2019-05-11 07:10:39,429 INFO [PluginFactory.java:287]: 1 IOutput plugins available 2019-05-11 07:10:39,429 INFO [PluginFactory.java:287]: 10 IGenerator plugins available 2019-05-11 07:10:39,430 INFO [PluginFactory.java:287]: 5 IAnalysis plugins available 2019-05-11 07:10:39,432 INFO [PluginFactory.java:241]: Loaded controller UltimateCore 2019-05-11 07:10:39,432 INFO [PluginFactory.java:70]: Finished detecting plugins! 2019-05-11 07:10:39,433 INFO [PluginFactory.java:71]: Loading services ... 2019-05-11 07:10:39,433 INFO [PluginFactory.java:272]: 0 IServiceFactory services available 2019-05-11 07:10:39,433 INFO [PluginFactory.java:73]: Finished loading services! 2019-05-11 07:10:39,433 INFO [PluginFactory.java:74]: -------------------------------------------------------------------------------- 2019-05-11 07:10:39,435 INFO [SettingsManager.java:46]: Loading settings from ./../termcomp2015.epf 2019-05-11 07:10:41,492 INFO [SettingsManager.java:54]: Loading preferences was successful 2019-05-11 07:10:41,492 INFO [SettingsManager.java:55]: Preferences different from defaults: 2019-05-11 07:10:41,492 INFO [PluginFactory.java:178]: -------------------------------------------------------------------------------- 2019-05-11 07:10:41,493 INFO [PluginFactory.java:179]: Loading all admissible plugins (creating one instance, loading preferences) 2019-05-11 07:10:41,840 INFO [PluginFactory.java:196]: Finished loading 20 admissible plugins (all were admissible) 2019-05-11 07:10:41,840 INFO [PluginFactory.java:198]: -------------------------------------------------------------------------------- 2019-05-11 07:10:41,841 INFO [SettingsManager.java:61]: Preferences of LassoRanker differ from their defaults: 2019-05-11 07:10:41,841 INFO [SettingsManager.java:63]: * Only non-decreasing invariants=true 2019-05-11 07:10:41,841 INFO [SettingsManager.java:63]: * Termination analysis=LINEAR_WITH_GUESSES 2019-05-11 07:10:41,841 INFO [SettingsManager.java:63]: * SMT solver command=z3 -smt2 -in SMTLIB2_COMPLIANT=true 2019-05-11 07:10:41,841 INFO [SettingsManager.java:63]: * Nontermination analysis=LINEAR_WITH_GUESSES 2019-05-11 07:10:41,842 INFO [SettingsManager.java:61]: Preferences of BlockEncoding differ from their defaults: 2019-05-11 07:10:41,842 INFO [SettingsManager.java:63]: * Rating-Boundary (empty for LBE)=0 2019-05-11 07:10:41,842 INFO [SettingsManager.java:63]: * Strategy for the edge rating=DISJUNCTIVE_RATING 2019-05-11 07:10:41,842 INFO [SettingsManager.java:61]: Preferences of BuchiAutomizer differ from their defaults: 2019-05-11 07:10:41,843 INFO [SettingsManager.java:63]: * Lasso Analysis=Linear_with_guesses 2019-05-11 07:10:41,843 INFO [SettingsManager.java:63]: * Use external solver (rank synthesis)=false 2019-05-11 07:10:41,843 INFO [SettingsManager.java:63]: * Buchi interpolant automaton=StagedBlast 2019-05-11 07:10:41,843 INFO [SettingsManager.java:63]: * Construct termination proof for TermComp=true 2019-05-11 07:10:41,843 INFO [SettingsManager.java:61]: Preferences of CACSL2BoogieTranslator differ from their defaults: 2019-05-11 07:10:41,844 INFO [SettingsManager.java:63]: * Check unreachability of error function in SV-COMP mode=false 2019-05-11 07:10:41,844 INFO [SettingsManager.java:63]: * Size of pointer (in bytes)=8 2019-05-11 07:10:41,844 INFO [SettingsManager.java:63]: * Check if freed pointer was valid=false 2019-05-11 07:10:41,844 INFO [SettingsManager.java:63]: * How to treat unsigned ints differently from normal ones=IGNORE 2019-05-11 07:10:41,844 INFO [SettingsManager.java:61]: Preferences of CodeCheck differ from their defaults: 2019-05-11 07:10:41,844 INFO [SettingsManager.java:63]: * Timeout in seconds=100000 2019-05-11 07:10:41,845 INFO [SettingsManager.java:63]: * The redirection strategy for Impulse=RANDOmSTRONGEST 2019-05-11 07:10:41,845 INFO [SettingsManager.java:61]: Preferences of RCFGBuilder differ from their defaults: 2019-05-11 07:10:41,845 INFO [SettingsManager.java:63]: * Size of a code block=SequenceOfStatements 2019-05-11 07:10:41,845 INFO [SettingsManager.java:63]: * Convert code blocks to CNF=false 2019-05-11 07:10:41,845 INFO [SettingsManager.java:63]: * To the following directory=/home/matthias/ultimate/dump 2019-05-11 07:10:41,846 INFO [SettingsManager.java:63]: * Command for external solver=./../z3/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 2019-05-11 07:10:41,846 INFO [SettingsManager.java:61]: Preferences of TraceAbstraction differ from their defaults: 2019-05-11 07:10:41,846 INFO [SettingsManager.java:63]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 2019-05-11 07:10:41,846 INFO [SettingsManager.java:61]: Preferences of UltimateCore differ from their defaults: 2019-05-11 07:10:41,846 INFO [SettingsManager.java:63]: * Log level for plugins=warn 2019-05-11 07:10:41,847 INFO [SettingsManager.java:61]: Preferences of UltimateCore differ from their defaults: 2019-05-11 07:10:41,847 INFO [SettingsManager.java:63]: * Log level for plugins=warn 2019-05-11 07:10:41,847 INFO [UltimateCore.java:76]: Initializing controller ... 2019-05-11 07:10:42,061 INFO [PersistenceAwareModelManager.java:56]: Repository-Root is: /tmp 2019-05-11 07:10:42,067 INFO [ToolchainManager.java:402]: [Toolchain 1]: Parser CDTParser is usable for /export/starexec/sandbox/benchmark/theBenchmark.c 2019-05-11 07:10:42,067 INFO [ToolchainManager.java:214]: [Toolchain 1]: Parser(s) successfully initiated... 2019-05-11 07:10:42,070 INFO [ToolchainManager.java:187]: [Toolchain 1]: Toolchain data selected. 2019-05-11 07:10:42,071 INFO [PluginConnector.java:252]: Initializing CDTParser... 2019-05-11 07:10:42,071 INFO [PluginConnector.java:257]: CDTParser initialized 2019-05-11 07:10:42,071 INFO [ToolchainManager.java:355]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 2019-05-11 07:10:42,192 INFO [ToolchainManager.java:238]: ####################### [Toolchain 1] ####################### 2019-05-11 07:10:42,193 INFO [ToolchainWalker.java:61]: Walking toolchain with 6 elements. 2019-05-11 07:10:42,194 INFO [PluginConnector.java:90]: ------------------------CACSL2BoogieTranslator---------------------------- 2019-05-11 07:10:42,194 INFO [PluginConnector.java:252]: Initializing CACSL2BoogieTranslator... 2019-05-11 07:10:42,197 INFO [PluginConnector.java:257]: CACSL2BoogieTranslator initialized 2019-05-11 07:10:42,198 INFO [PluginConnector.java:162]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.05 07:10:42" (1/1) ... 2019-05-11 07:10:42,304 INFO [PluginConnector.java:110]: ------------------------ END CACSL2BoogieTranslator---------------------------- 2019-05-11 07:10:42,304 INFO [PluginConnector.java:90]: ------------------------Boogie Preprocessor---------------------------- 2019-05-11 07:10:42,304 INFO [PluginConnector.java:252]: Initializing Boogie Preprocessor... 2019-05-11 07:10:42,305 INFO [PluginConnector.java:257]: Boogie Preprocessor initialized 2019-05-11 07:10:42,320 INFO [PluginConnector.java:162]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:10:42" (1/1) ... 2019-05-11 07:10:42,324 INFO [PluginConnector.java:162]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:10:42" (1/1) ... 2019-05-11 07:10:42,325 INFO [PluginConnector.java:162]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:10:42" (1/1) ... 2019-05-11 07:10:42,326 INFO [PluginConnector.java:162]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:10:42" (1/1) ... 2019-05-11 07:10:42,328 INFO [PluginConnector.java:162]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:10:42" (1/1) ... 2019-05-11 07:10:42,328 INFO [PluginConnector.java:162]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:10:42" (1/1) ... 2019-05-11 07:10:42,329 INFO [PluginConnector.java:110]: ------------------------ END Boogie Preprocessor---------------------------- 2019-05-11 07:10:42,330 INFO [PluginConnector.java:90]: ------------------------RCFGBuilder---------------------------- 2019-05-11 07:10:42,330 INFO [PluginConnector.java:252]: Initializing RCFGBuilder... 2019-05-11 07:10:42,330 INFO [PluginConnector.java:257]: RCFGBuilder initialized 2019-05-11 07:10:42,331 INFO [PluginConnector.java:162]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:10:42" (1/1) ... 2019-05-11 07:10:42,429 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 07:10:42,431 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 07:10:42,529 INFO [PluginConnector.java:110]: ------------------------ END RCFGBuilder---------------------------- 2019-05-11 07:10:42,529 INFO [PluginConnector.java:90]: ------------------------BlockEncoding---------------------------- 2019-05-11 07:10:42,529 INFO [PluginConnector.java:252]: Initializing BlockEncoding... 2019-05-11 07:10:42,530 INFO [PluginConnector.java:257]: BlockEncoding initialized 2019-05-11 07:10:42,530 INFO [PluginConnector.java:162]: Executing the observer BlockEncodingObserver from plugin BlockEncoding for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.05 07:10:42" (1/1) ... 2019-05-11 07:10:42,543 INFO [PluginConnector.java:162]: Executing the observer MinModelConversionObserver from plugin BlockEncoding for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.05 07:10:42" (1/1) ... 2019-05-11 07:10:42,565 WARN [TransFormula.java:607]: CodeBlock already infeasible 2019-05-11 07:10:42,566 WARN [TransFormula.java:607]: CodeBlock already infeasible 2019-05-11 07:10:42,567 INFO [PluginConnector.java:110]: ------------------------ END BlockEncoding---------------------------- 2019-05-11 07:10:42,568 INFO [PluginConnector.java:90]: ------------------------TraceAbstraction---------------------------- 2019-05-11 07:10:42,568 INFO [PluginConnector.java:252]: Initializing TraceAbstraction... 2019-05-11 07:10:42,569 INFO [PluginConnector.java:257]: TraceAbstraction initialized 2019-05-11 07:10:42,569 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.05 07:10:42" (1/5) ... 2019-05-11 07:10:42,570 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.blockencoding CFG 11.05 07:10:42" (2/5) ... 2019-05-11 07:10:42,571 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.05 07:10:42" (3/5) ... 2019-05-11 07:10:42,571 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "BlockEncodedModel CFG 11.05 07:10:42" (4/5) ... 2019-05-11 07:10:42,571 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:10:42" (5/5) ... Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 2019-05-11 07:10:42,658 INFO [PluginConnector.java:110]: ------------------------ END TraceAbstraction---------------------------- 2019-05-11 07:10:42,658 INFO [PluginConnector.java:90]: ------------------------BuchiAutomizer---------------------------- 2019-05-11 07:10:42,658 INFO [PluginConnector.java:252]: Initializing BuchiAutomizer... 2019-05-11 07:10:42,659 INFO [PluginConnector.java:257]: BuchiAutomizer initialized 2019-05-11 07:10:42,661 INFO [PluginConnector.java:162]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.05 07:10:42" (1/1) ... 2019-05-11 07:10:42,951 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:42,970 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:42,995 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,029 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,044 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,176 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,186 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,189 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,200 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,207 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,223 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,227 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,235 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,243 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,261 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,337 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,343 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,350 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,361 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,367 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,523 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,527 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,536 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,538 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,552 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,557 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,573 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,581 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,597 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,601 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:10:43,648 INFO [PluginConnector.java:110]: ------------------------ END BuchiAutomizer---------------------------- 2019-05-11 07:10:43,649 INFO [Benchmark.java:150]: Toolchain (without parser) took 1456.85 ms. Allocated memory is still 643.3 MB. Free memory was 604.1 MB in the beginning and 459.8 MB in the end (delta: 144.3 MB). Peak memory consumption was 144.3 MB. Max. memory is 53.1 GB 2019-05-11 07:10:43,651 INFO [Benchmark.java:150]: CDTParser took 109.48 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 07:10:43,652 INFO [Benchmark.java:150]: CACSL2BoogieTranslator took 110.19 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 07:10:43,653 INFO [Benchmark.java:150]: Boogie Preprocessor took 25.24 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 07:10:43,654 INFO [Benchmark.java:150]: RCFGBuilder took 199.12 ms. Allocated memory is still 643.3 MB. Free memory was 598.8 MB in the beginning and 583.9 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 53.1 GB 2019-05-11 07:10:43,654 INFO [Benchmark.java:150]: BlockEncoding took 38.51 ms. Allocated memory is still 643.3 MB. Free memory was 583.9 MB in the beginning and 581.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 53.1 GB 2019-05-11 07:10:43,655 INFO [Benchmark.java:150]: TraceAbstraction took 90.41 ms. Allocated memory is still 643.3 MB. Free memory was 581.2 MB in the beginning and 575.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 53.1 GB 2019-05-11 07:10:43,656 INFO [Benchmark.java:150]: BuchiAutomizer took 990.18 ms. Allocated memory is still 643.3 MB. Free memory was 575.8 MB in the beginning and 459.8 MB in the end (delta: 116.0 MB). Peak memory consumption was 116.0 MB. Max. memory is 53.1 GB 2019-05-11 07:10:43,663 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 07:10:43,663 INFO [ToolchainManager.java:286]: ####################### End [Toolchain 1] ####################### 2019-05-11 07:10:43,663 INFO [BasicToolchainJob.java:73]: --- Results --- 2019-05-11 07:10:43,663 INFO [BasicToolchainJob.java:75]: * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 2019-05-11 07:10:43,663 INFO [BasicToolchainJob.java:89]: - AllSpecificationsHoldResult: All specifications hold 2019-05-11 07:10:43,664 INFO [BasicToolchainJob.java:95]: We were not able to verify any specifiation because the program does not contain any specification. 2019-05-11 07:10:43,664 INFO [BasicToolchainJob.java:89]: - ProcedureContractResult [Line: 14]: Procedure Contract for main 2019-05-11 07:10:43,664 INFO [BasicToolchainJob.java:95]: Derived contract for procedure main: 1 2019-05-11 07:10:43,664 INFO [BasicToolchainJob.java:89]: - InvariantResult [Line: 17]: Loop Invariant 2019-05-11 07:10:43,664 INFO [BasicToolchainJob.java:95]: Derived loop invariant: 1 2019-05-11 07:10:43,664 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Ultimate Automizer benchmark data 2019-05-11 07:10:43,665 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 07:10:43,665 INFO [BasicToolchainJob.java:75]: * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: 2019-05-11 07:10:43,665 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Constructed decomposition of program 2019-05-11 07:10:43,665 INFO [BasicToolchainJob.java:95]: Trivial decomposition into one module whose termination is unknown. 2019-05-11 07:10:43,665 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Constructed termination proof in form of nested word automata 2019-05-11 07:10:43,665 INFO [BasicToolchainJob.java:95]: Unable to prove termination 2019-05-11 07:10:43,665 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Timing statistics 2019-05-11 07:10:43,666 INFO [BasicToolchainJob.java:95]: BüchiAutomizer plugin needed 0.9s and 1 iterations. Analysis of lassos took 0.9s. 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: inital18 mio100 ax100 hnf93 lsp100 arr100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf94 smp100 dnf100 smp100 tf105 neg100 sie100 Nontermination: inital18 mio100 ax100 hnf93 lsp100 arr100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf94 smp100 dnf100 smp100 tf105 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 41ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 2019-05-11 07:10:43,666 INFO [BasicToolchainJob.java:89]: - TerminationAnalysisResult: Unable to decide termination 2019-05-11 07:10:43,666 INFO [BasicToolchainJob.java:95]: Buchi Automizer is unable to decide termination for the following lasso. Stem: "call ULTIMATE.init();"< "assume true;" >"return;" "call #t~ret1 := main();"< "havoc ~x~2;~x~2 := #t~nondet0;havoc #t~nondet0;" "assume true;assume !!(~x~2 >= 0);~x~2 := -2 * ~x~2 + 10;" Loop: "assume true;assume !!(~x~2 >= 0);~x~2 := -2 * ~x~2 + 10;" 2019-05-11 07:10:43,666 INFO [BasicToolchainJob.java:75]: * Results from UltimateCore: 2019-05-11 07:10:43,666 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Toolchain Benchmarks 2019-05-11 07:10:43,672 INFO [BasicToolchainJob.java:95]: Benchmark results are: * CDTParser took 109.48 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 110.19 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 25.24 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 199.12 ms. Allocated memory is still 643.3 MB. Free memory was 598.8 MB in the beginning and 583.9 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 53.1 GB * BlockEncoding took 38.51 ms. Allocated memory is still 643.3 MB. Free memory was 583.9 MB in the beginning and 581.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 53.1 GB * TraceAbstraction took 90.41 ms. Allocated memory is still 643.3 MB. Free memory was 581.2 MB in the beginning and 575.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 53.1 GB * BuchiAutomizer took 990.18 ms. Allocated memory is still 643.3 MB. Free memory was 575.8 MB in the beginning and 459.8 MB in the end (delta: 116.0 MB). Peak memory consumption was 116.0 MB. Max. memory is 53.1 GB 2019-05-11 07:10:43,699 INFO [UltimateCore.java:84]: Preparing to exit Ultimate with return code 0 Closed successfully