MAYBE 2019-05-11 07:12:12,579 INFO [UltimateCore.java:185]: Initializing application 2019-05-11 07:12:12,582 INFO [UltimateCore.java:202]: -------------------------------------------------------------------------------- 2019-05-11 07:12:12,586 INFO [PluginFactory.java:62]: -------------------------------------------------------------------------------- 2019-05-11 07:12:12,586 INFO [PluginFactory.java:63]: Detecting plugins... 2019-05-11 07:12:12,587 INFO [PluginFactory.java:287]: 1 IController plugins available 2019-05-11 07:12:12,587 INFO [PluginFactory.java:287]: 4 ISource plugins available 2019-05-11 07:12:12,587 INFO [PluginFactory.java:287]: 1 IOutput plugins available 2019-05-11 07:12:12,588 INFO [PluginFactory.java:287]: 10 IGenerator plugins available 2019-05-11 07:12:12,588 INFO [PluginFactory.java:287]: 5 IAnalysis plugins available 2019-05-11 07:12:12,590 INFO [PluginFactory.java:241]: Loaded controller UltimateCore 2019-05-11 07:12:12,591 INFO [PluginFactory.java:70]: Finished detecting plugins! 2019-05-11 07:12:12,591 INFO [PluginFactory.java:71]: Loading services ... 2019-05-11 07:12:12,591 INFO [PluginFactory.java:272]: 0 IServiceFactory services available 2019-05-11 07:12:12,592 INFO [PluginFactory.java:73]: Finished loading services! 2019-05-11 07:12:12,592 INFO [PluginFactory.java:74]: -------------------------------------------------------------------------------- 2019-05-11 07:12:12,593 INFO [SettingsManager.java:46]: Loading settings from ./../termcomp2015.epf 2019-05-11 07:12:15,083 INFO [SettingsManager.java:54]: Loading preferences was successful 2019-05-11 07:12:15,083 INFO [SettingsManager.java:55]: Preferences different from defaults: 2019-05-11 07:12:15,083 INFO [PluginFactory.java:178]: -------------------------------------------------------------------------------- 2019-05-11 07:12:15,083 INFO [PluginFactory.java:179]: Loading all admissible plugins (creating one instance, loading preferences) 2019-05-11 07:12:15,436 INFO [PluginFactory.java:196]: Finished loading 20 admissible plugins (all were admissible) 2019-05-11 07:12:15,436 INFO [PluginFactory.java:198]: -------------------------------------------------------------------------------- 2019-05-11 07:12:15,437 INFO [SettingsManager.java:61]: Preferences of LassoRanker differ from their defaults: 2019-05-11 07:12:15,437 INFO [SettingsManager.java:63]: * Only non-decreasing invariants=true 2019-05-11 07:12:15,437 INFO [SettingsManager.java:63]: * Termination analysis=LINEAR_WITH_GUESSES 2019-05-11 07:12:15,437 INFO [SettingsManager.java:63]: * SMT solver command=z3 -smt2 -in SMTLIB2_COMPLIANT=true 2019-05-11 07:12:15,437 INFO [SettingsManager.java:63]: * Nontermination analysis=LINEAR_WITH_GUESSES 2019-05-11 07:12:15,438 INFO [SettingsManager.java:61]: Preferences of BlockEncoding differ from their defaults: 2019-05-11 07:12:15,438 INFO [SettingsManager.java:63]: * Rating-Boundary (empty for LBE)=0 2019-05-11 07:12:15,438 INFO [SettingsManager.java:63]: * Strategy for the edge rating=DISJUNCTIVE_RATING 2019-05-11 07:12:15,438 INFO [SettingsManager.java:61]: Preferences of BuchiAutomizer differ from their defaults: 2019-05-11 07:12:15,439 INFO [SettingsManager.java:63]: * Lasso Analysis=Linear_with_guesses 2019-05-11 07:12:15,439 INFO [SettingsManager.java:63]: * Use external solver (rank synthesis)=false 2019-05-11 07:12:15,439 INFO [SettingsManager.java:63]: * Buchi interpolant automaton=StagedBlast 2019-05-11 07:12:15,439 INFO [SettingsManager.java:63]: * Construct termination proof for TermComp=true 2019-05-11 07:12:15,439 INFO [SettingsManager.java:61]: Preferences of CACSL2BoogieTranslator differ from their defaults: 2019-05-11 07:12:15,439 INFO [SettingsManager.java:63]: * Check unreachability of error function in SV-COMP mode=false 2019-05-11 07:12:15,440 INFO [SettingsManager.java:63]: * Size of pointer (in bytes)=8 2019-05-11 07:12:15,440 INFO [SettingsManager.java:63]: * Check if freed pointer was valid=false 2019-05-11 07:12:15,440 INFO [SettingsManager.java:63]: * How to treat unsigned ints differently from normal ones=IGNORE 2019-05-11 07:12:15,440 INFO [SettingsManager.java:61]: Preferences of CodeCheck differ from their defaults: 2019-05-11 07:12:15,441 INFO [SettingsManager.java:63]: * Timeout in seconds=100000 2019-05-11 07:12:15,441 INFO [SettingsManager.java:63]: * The redirection strategy for Impulse=RANDOmSTRONGEST 2019-05-11 07:12:15,441 INFO [SettingsManager.java:61]: Preferences of RCFGBuilder differ from their defaults: 2019-05-11 07:12:15,441 INFO [SettingsManager.java:63]: * Size of a code block=SequenceOfStatements 2019-05-11 07:12:15,441 INFO [SettingsManager.java:63]: * Convert code blocks to CNF=false 2019-05-11 07:12:15,442 INFO [SettingsManager.java:63]: * To the following directory=/home/matthias/ultimate/dump 2019-05-11 07:12:15,442 INFO [SettingsManager.java:63]: * Command for external solver=./../z3/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 2019-05-11 07:12:15,442 INFO [SettingsManager.java:61]: Preferences of TraceAbstraction differ from their defaults: 2019-05-11 07:12:15,442 INFO [SettingsManager.java:63]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 2019-05-11 07:12:15,442 INFO [SettingsManager.java:61]: Preferences of UltimateCore differ from their defaults: 2019-05-11 07:12:15,443 INFO [SettingsManager.java:63]: * Log level for plugins=warn 2019-05-11 07:12:15,443 INFO [SettingsManager.java:61]: Preferences of UltimateCore differ from their defaults: 2019-05-11 07:12:15,443 INFO [SettingsManager.java:63]: * Log level for plugins=warn 2019-05-11 07:12:15,443 INFO [UltimateCore.java:76]: Initializing controller ... 2019-05-11 07:12:15,662 INFO [PersistenceAwareModelManager.java:56]: Repository-Root is: /tmp 2019-05-11 07:12:15,670 INFO [ToolchainManager.java:402]: [Toolchain 1]: Parser CDTParser is usable for /export/starexec/sandbox/benchmark/theBenchmark.c 2019-05-11 07:12:15,670 INFO [ToolchainManager.java:214]: [Toolchain 1]: Parser(s) successfully initiated... 2019-05-11 07:12:15,673 INFO [ToolchainManager.java:187]: [Toolchain 1]: Toolchain data selected. 2019-05-11 07:12:15,674 INFO [PluginConnector.java:252]: Initializing CDTParser... 2019-05-11 07:12:15,675 INFO [PluginConnector.java:257]: CDTParser initialized 2019-05-11 07:12:15,675 INFO [ToolchainManager.java:355]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 2019-05-11 07:12:15,800 INFO [ToolchainManager.java:238]: ####################### [Toolchain 1] ####################### 2019-05-11 07:12:15,801 INFO [ToolchainWalker.java:61]: Walking toolchain with 6 elements. 2019-05-11 07:12:15,802 INFO [PluginConnector.java:90]: ------------------------CACSL2BoogieTranslator---------------------------- 2019-05-11 07:12:15,802 INFO [PluginConnector.java:252]: Initializing CACSL2BoogieTranslator... 2019-05-11 07:12:15,805 INFO [PluginConnector.java:257]: CACSL2BoogieTranslator initialized 2019-05-11 07:12:15,806 INFO [PluginConnector.java:162]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.05 07:12:15" (1/1) ... 2019-05-11 07:12:15,914 INFO [PluginConnector.java:110]: ------------------------ END CACSL2BoogieTranslator---------------------------- 2019-05-11 07:12:15,914 INFO [PluginConnector.java:90]: ------------------------Boogie Preprocessor---------------------------- 2019-05-11 07:12:15,914 INFO [PluginConnector.java:252]: Initializing Boogie Preprocessor... 2019-05-11 07:12:15,915 INFO [PluginConnector.java:257]: Boogie Preprocessor initialized 2019-05-11 07:12:15,931 INFO [PluginConnector.java:162]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:12:15" (1/1) ... 2019-05-11 07:12:15,936 INFO [PluginConnector.java:162]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:12:15" (1/1) ... 2019-05-11 07:12:15,936 INFO [PluginConnector.java:162]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:12:15" (1/1) ... 2019-05-11 07:12:15,937 INFO [PluginConnector.java:162]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:12:15" (1/1) ... 2019-05-11 07:12:15,939 INFO [PluginConnector.java:162]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:12:15" (1/1) ... 2019-05-11 07:12:15,939 INFO [PluginConnector.java:162]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:12:15" (1/1) ... 2019-05-11 07:12:15,940 INFO [PluginConnector.java:110]: ------------------------ END Boogie Preprocessor---------------------------- 2019-05-11 07:12:15,941 INFO [PluginConnector.java:90]: ------------------------RCFGBuilder---------------------------- 2019-05-11 07:12:15,941 INFO [PluginConnector.java:252]: Initializing RCFGBuilder... 2019-05-11 07:12:15,941 INFO [PluginConnector.java:257]: RCFGBuilder initialized 2019-05-11 07:12:15,942 INFO [PluginConnector.java:162]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:12:15" (1/1) ... 2019-05-11 07:12:16,038 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 07:12:16,041 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 07:12:16,140 INFO [PluginConnector.java:110]: ------------------------ END RCFGBuilder---------------------------- 2019-05-11 07:12:16,141 INFO [PluginConnector.java:90]: ------------------------BlockEncoding---------------------------- 2019-05-11 07:12:16,141 INFO [PluginConnector.java:252]: Initializing BlockEncoding... 2019-05-11 07:12:16,142 INFO [PluginConnector.java:257]: BlockEncoding initialized 2019-05-11 07:12:16,142 INFO [PluginConnector.java:162]: Executing the observer BlockEncodingObserver from plugin BlockEncoding for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.05 07:12:16" (1/1) ... 2019-05-11 07:12:16,155 INFO [PluginConnector.java:162]: Executing the observer MinModelConversionObserver from plugin BlockEncoding for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.05 07:12:16" (1/1) ... 2019-05-11 07:12:16,180 WARN [TransFormula.java:607]: CodeBlock already infeasible 2019-05-11 07:12:16,181 WARN [TransFormula.java:607]: CodeBlock already infeasible 2019-05-11 07:12:16,182 INFO [PluginConnector.java:110]: ------------------------ END BlockEncoding---------------------------- 2019-05-11 07:12:16,182 INFO [PluginConnector.java:90]: ------------------------TraceAbstraction---------------------------- 2019-05-11 07:12:16,182 INFO [PluginConnector.java:252]: Initializing TraceAbstraction... 2019-05-11 07:12:16,183 INFO [PluginConnector.java:257]: TraceAbstraction initialized 2019-05-11 07:12:16,183 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.blockencoding CFG 11.05 07:12:16" (1/5) ... 2019-05-11 07:12:16,185 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:12:15" (2/5) ... 2019-05-11 07:12:16,185 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "BlockEncodedModel CFG 11.05 07:12:16" (3/5) ... 2019-05-11 07:12:16,186 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.05 07:12:16" (4/5) ... 2019-05-11 07:12:16,186 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.05 07:12:15" (5/5) ... Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 2019-05-11 07:12:16,275 INFO [PluginConnector.java:110]: ------------------------ END TraceAbstraction---------------------------- 2019-05-11 07:12:16,275 INFO [PluginConnector.java:90]: ------------------------BuchiAutomizer---------------------------- 2019-05-11 07:12:16,276 INFO [PluginConnector.java:252]: Initializing BuchiAutomizer... 2019-05-11 07:12:16,276 INFO [PluginConnector.java:257]: BuchiAutomizer initialized 2019-05-11 07:12:16,278 INFO [PluginConnector.java:162]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.05 07:12:16" (1/1) ... 2019-05-11 07:12:16,622 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:16,659 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:16,712 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:16,781 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:16,792 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:16,992 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:16,995 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,008 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,016 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,020 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,044 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,053 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,056 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,096 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,099 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,103 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,111 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,115 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,119 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,134 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,241 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,251 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,272 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,305 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,313 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,484 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,486 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,508 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,510 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,512 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,555 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,557 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,561 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,716 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,718 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,720 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,739 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,741 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,744 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,782 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:12:17,792 INFO [PluginConnector.java:110]: ------------------------ END BuchiAutomizer---------------------------- 2019-05-11 07:12:17,793 INFO [Benchmark.java:150]: Toolchain (without parser) took 1993.05 ms. Allocated memory was 643.3 MB in the beginning and 646.4 MB in the end (delta: 3.1 MB). Free memory was 604.1 MB in the beginning and 563.6 MB in the end (delta: 40.6 MB). Peak memory consumption was 275.5 MB. Max. memory is 53.1 GB 2019-05-11 07:12:17,796 INFO [Benchmark.java:150]: CDTParser took 113.85 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 07:12:17,797 INFO [Benchmark.java:150]: CACSL2BoogieTranslator took 112.29 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 07:12:17,798 INFO [Benchmark.java:150]: Boogie Preprocessor took 26.10 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 07:12:17,798 INFO [Benchmark.java:150]: RCFGBuilder took 199.76 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 07:12:17,799 INFO [Benchmark.java:150]: BlockEncoding took 41.14 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 07:12:17,800 INFO [Benchmark.java:150]: TraceAbstraction took 93.35 ms. Allocated memory is still 643.3 MB. Free memory was 581.2 MB in the beginning and 575.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 53.1 GB 2019-05-11 07:12:17,800 INFO [Benchmark.java:150]: BuchiAutomizer took 1517.05 ms. Allocated memory was 643.3 MB in the beginning and 646.4 MB in the end (delta: 3.1 MB). Free memory was 575.9 MB in the beginning and 563.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 247.2 MB. Max. memory is 53.1 GB 2019-05-11 07:12:17,807 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 07:12:17,808 INFO [ToolchainManager.java:286]: ####################### End [Toolchain 1] ####################### 2019-05-11 07:12:17,808 INFO [BasicToolchainJob.java:73]: --- Results --- 2019-05-11 07:12:17,808 INFO [BasicToolchainJob.java:75]: * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 2019-05-11 07:12:17,808 INFO [BasicToolchainJob.java:89]: - AllSpecificationsHoldResult: All specifications hold 2019-05-11 07:12:17,808 INFO [BasicToolchainJob.java:95]: We were not able to verify any specifiation because the program does not contain any specification. 2019-05-11 07:12:17,808 INFO [BasicToolchainJob.java:89]: - ProcedureContractResult [Line: 13]: Procedure Contract for main 2019-05-11 07:12:17,809 INFO [BasicToolchainJob.java:95]: Derived contract for procedure main: 1 2019-05-11 07:12:17,809 INFO [BasicToolchainJob.java:89]: - InvariantResult [Line: 19]: Loop Invariant 2019-05-11 07:12:17,809 INFO [BasicToolchainJob.java:95]: Derived loop invariant: 1 2019-05-11 07:12:17,809 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Ultimate Automizer benchmark data 2019-05-11 07:12:17,809 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 07:12:17,809 INFO [BasicToolchainJob.java:75]: * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: 2019-05-11 07:12:17,809 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Constructed decomposition of program 2019-05-11 07:12:17,810 INFO [BasicToolchainJob.java:95]: Trivial decomposition into one module whose termination is unknown. 2019-05-11 07:12:17,810 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Constructed termination proof in form of nested word automata 2019-05-11 07:12:17,810 INFO [BasicToolchainJob.java:95]: Unable to prove termination 2019-05-11 07:12:17,810 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Timing statistics 2019-05-11 07:12:17,811 INFO [BasicToolchainJob.java:95]: BüchiAutomizer plugin needed 1.4s and 1 iterations. Analysis of lassos took 1.4s. 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: inital17 mio100 ax100 hnf100 lsp100 arr100 mio100 lsp100 div100 bol100 ite100 ukn100 eq171 hnf93 smp100 dnf100 smp100 tf104 neg100 sie100 Nontermination: inital17 mio100 ax100 hnf100 lsp100 arr100 mio100 lsp100 div100 bol100 ite100 ukn100 eq171 hnf93 smp100 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 37ms VariablesStem: 2 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 2019-05-11 07:12:17,811 INFO [BasicToolchainJob.java:89]: - TerminationAnalysisResult: Unable to decide termination 2019-05-11 07:12:17,811 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 true;assume !!(~x~2 >= 0);~x~2 := ~x~2 + ~y~2;~y~2 := ~y~2 + 1;" Loop: "assume true;assume !!(~x~2 >= 0);~x~2 := ~x~2 + ~y~2;~y~2 := ~y~2 + 1;" 2019-05-11 07:12:17,811 INFO [BasicToolchainJob.java:75]: * Results from UltimateCore: 2019-05-11 07:12:17,811 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Toolchain Benchmarks 2019-05-11 07:12:17,817 INFO [BasicToolchainJob.java:95]: Benchmark results are: * CDTParser took 113.85 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 112.29 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 26.10 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 199.76 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 41.14 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 93.35 ms. Allocated memory is still 643.3 MB. Free memory was 581.2 MB in the beginning and 575.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 53.1 GB * BuchiAutomizer took 1517.05 ms. Allocated memory was 643.3 MB in the beginning and 646.4 MB in the end (delta: 3.1 MB). Free memory was 575.9 MB in the beginning and 563.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 247.2 MB. Max. memory is 53.1 GB 2019-05-11 07:12:17,846 INFO [UltimateCore.java:84]: Preparing to exit Ultimate with return code 0 Closed successfully