MAYBE 2019-05-11 07:09:03,876 INFO [UltimateCore.java:185]: Initializing application 2019-05-11 07:09:03,879 INFO [UltimateCore.java:202]: -------------------------------------------------------------------------------- 2019-05-11 07:09:03,884 INFO [PluginFactory.java:62]: -------------------------------------------------------------------------------- 2019-05-11 07:09:03,884 INFO [PluginFactory.java:63]: Detecting plugins... 2019-05-11 07:09:03,885 INFO [PluginFactory.java:287]: 1 IController plugins available 2019-05-11 07:09:03,885 INFO [PluginFactory.java:287]: 4 ISource plugins available 2019-05-11 07:09:03,886 INFO [PluginFactory.java:287]: 1 IOutput plugins available 2019-05-11 07:09:03,886 INFO [PluginFactory.java:287]: 10 IGenerator plugins available 2019-05-11 07:09:03,886 INFO [PluginFactory.java:287]: 5 IAnalysis plugins available 2019-05-11 07:09:03,889 INFO [PluginFactory.java:241]: Loaded controller UltimateCore 2019-05-11 07:09:03,889 INFO [PluginFactory.java:70]: Finished detecting plugins! 2019-05-11 07:09:03,889 INFO [PluginFactory.java:71]: Loading services ... 2019-05-11 07:09:03,890 INFO [PluginFactory.java:272]: 0 IServiceFactory services available 2019-05-11 07:09:03,890 INFO [PluginFactory.java:73]: Finished loading services! 2019-05-11 07:09:03,890 INFO [PluginFactory.java:74]: -------------------------------------------------------------------------------- 2019-05-11 07:09:03,892 INFO [SettingsManager.java:46]: Loading settings from ./../termcomp2015.epf 2019-05-11 07:09:06,577 INFO [SettingsManager.java:54]: Loading preferences was successful 2019-05-11 07:09:06,578 INFO [SettingsManager.java:55]: Preferences different from defaults: 2019-05-11 07:09:06,578 INFO [PluginFactory.java:178]: -------------------------------------------------------------------------------- 2019-05-11 07:09:06,578 INFO [PluginFactory.java:179]: Loading all admissible plugins (creating one instance, loading preferences) 2019-05-11 07:09:06,979 INFO [PluginFactory.java:196]: Finished loading 20 admissible plugins (all were admissible) 2019-05-11 07:09:06,979 INFO [PluginFactory.java:198]: -------------------------------------------------------------------------------- 2019-05-11 07:09:06,998 INFO [SettingsManager.java:61]: Preferences of LassoRanker differ from their defaults: 2019-05-11 07:09:06,998 INFO [SettingsManager.java:63]: * Only non-decreasing invariants=true 2019-05-11 07:09:06,998 INFO [SettingsManager.java:63]: * Termination analysis=LINEAR_WITH_GUESSES 2019-05-11 07:09:06,999 INFO [SettingsManager.java:63]: * SMT solver command=z3 -smt2 -in SMTLIB2_COMPLIANT=true 2019-05-11 07:09:06,999 INFO [SettingsManager.java:63]: * Nontermination analysis=LINEAR_WITH_GUESSES 2019-05-11 07:09:06,999 INFO [SettingsManager.java:61]: Preferences of BlockEncoding differ from their defaults: 2019-05-11 07:09:06,999 INFO [SettingsManager.java:63]: * Rating-Boundary (empty for LBE)=0 2019-05-11 07:09:06,999 INFO [SettingsManager.java:63]: * Strategy for the edge rating=DISJUNCTIVE_RATING 2019-05-11 07:09:07,000 INFO [SettingsManager.java:61]: Preferences of BuchiAutomizer differ from their defaults: 2019-05-11 07:09:07,000 INFO [SettingsManager.java:63]: * Lasso Analysis=Linear_with_guesses 2019-05-11 07:09:07,000 INFO [SettingsManager.java:63]: * Use external solver (rank synthesis)=false 2019-05-11 07:09:07,000 INFO [SettingsManager.java:63]: * Buchi interpolant automaton=StagedBlast 2019-05-11 07:09:07,000 INFO [SettingsManager.java:63]: * Construct termination proof for TermComp=true 2019-05-11 07:09:07,001 INFO [SettingsManager.java:61]: Preferences of CACSL2BoogieTranslator differ from their defaults: 2019-05-11 07:09:07,001 INFO [SettingsManager.java:63]: * Check unreachability of error function in SV-COMP mode=false 2019-05-11 07:09:07,001 INFO [SettingsManager.java:63]: * Size of pointer (in bytes)=8 2019-05-11 07:09:07,002 INFO [SettingsManager.java:63]: * Check if freed pointer was valid=false 2019-05-11 07:09:07,002 INFO [SettingsManager.java:63]: * How to treat unsigned ints differently from normal ones=IGNORE 2019-05-11 07:09:07,002 INFO [SettingsManager.java:61]: Preferences of CodeCheck differ from their defaults: 2019-05-11 07:09:07,002 INFO [SettingsManager.java:63]: * Timeout in seconds=100000 2019-05-11 07:09:07,002 INFO [SettingsManager.java:63]: * The redirection strategy for Impulse=RANDOmSTRONGEST 2019-05-11 07:09:07,003 INFO [SettingsManager.java:61]: Preferences of RCFGBuilder differ from their defaults: 2019-05-11 07:09:07,003 INFO [SettingsManager.java:63]: * Size of a code block=SequenceOfStatements 2019-05-11 07:09:07,003 INFO [SettingsManager.java:63]: * Convert code blocks to CNF=false 2019-05-11 07:09:07,003 INFO [SettingsManager.java:63]: * To the following directory=/home/matthias/ultimate/dump 2019-05-11 07:09:07,003 INFO [SettingsManager.java:63]: * Command for external solver=./../z3/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 2019-05-11 07:09:07,004 INFO [SettingsManager.java:61]: Preferences of TraceAbstraction differ from their defaults: 2019-05-11 07:09:07,004 INFO [SettingsManager.java:63]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 2019-05-11 07:09:07,004 INFO [SettingsManager.java:61]: Preferences of UltimateCore differ from their defaults: 2019-05-11 07:09:07,004 INFO [SettingsManager.java:63]: * Log level for plugins=warn 2019-05-11 07:09:07,004 INFO [SettingsManager.java:61]: Preferences of UltimateCore differ from their defaults: 2019-05-11 07:09:07,005 INFO [SettingsManager.java:63]: * Log level for plugins=warn 2019-05-11 07:09:07,005 INFO [UltimateCore.java:76]: Initializing controller ... 2019-05-11 07:09:07,227 INFO [PersistenceAwareModelManager.java:56]: Repository-Root is: /tmp 2019-05-11 07:09:07,235 INFO [ToolchainManager.java:402]: [Toolchain 1]: Parser CDTParser is usable for /export/starexec/sandbox2/benchmark/theBenchmark.c 2019-05-11 07:09:07,236 INFO [ToolchainManager.java:214]: [Toolchain 1]: Parser(s) successfully initiated... 2019-05-11 07:09:07,238 INFO [ToolchainManager.java:187]: [Toolchain 1]: Toolchain data selected. 2019-05-11 07:09:07,239 INFO [PluginConnector.java:252]: Initializing CDTParser... 2019-05-11 07:09:07,240 INFO [PluginConnector.java:257]: CDTParser initialized 2019-05-11 07:09:07,240 INFO [ToolchainManager.java:355]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 2019-05-11 07:09:07,369 INFO [ToolchainManager.java:238]: ####################### [Toolchain 1] ####################### 2019-05-11 07:09:07,371 INFO [ToolchainWalker.java:61]: Walking toolchain with 6 elements. 2019-05-11 07:09:07,372 INFO [PluginConnector.java:90]: ------------------------CACSL2BoogieTranslator---------------------------- 2019-05-11 07:09:07,372 INFO [PluginConnector.java:252]: Initializing CACSL2BoogieTranslator... 2019-05-11 07:09:07,376 INFO [PluginConnector.java:257]: CACSL2BoogieTranslator initialized 2019-05-11 07:09:07,376 INFO [PluginConnector.java:162]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.05 07:09:07" (1/1) ... 2019-05-11 07:09:07,485 INFO [PluginConnector.java:110]: ------------------------ END CACSL2BoogieTranslator---------------------------- 2019-05-11 07:09:07,486 INFO [PluginConnector.java:90]: ------------------------Boogie Preprocessor---------------------------- 2019-05-11 07:09:07,486 INFO [PluginConnector.java:252]: Initializing Boogie Preprocessor... 2019-05-11 07:09:07,486 INFO [PluginConnector.java:257]: Boogie Preprocessor initialized 2019-05-11 07:09:07,502 INFO [PluginConnector.java:162]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:09:07" (1/1) ... 2019-05-11 07:09:07,507 INFO [PluginConnector.java:162]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:09:07" (1/1) ... 2019-05-11 07:09:07,507 INFO [PluginConnector.java:162]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:09:07" (1/1) ... 2019-05-11 07:09:07,509 INFO [PluginConnector.java:162]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:09:07" (1/1) ... 2019-05-11 07:09:07,510 INFO [PluginConnector.java:162]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:09:07" (1/1) ... 2019-05-11 07:09:07,511 INFO [PluginConnector.java:162]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:09:07" (1/1) ... 2019-05-11 07:09:07,512 INFO [PluginConnector.java:110]: ------------------------ END Boogie Preprocessor---------------------------- 2019-05-11 07:09:07,513 INFO [PluginConnector.java:90]: ------------------------RCFGBuilder---------------------------- 2019-05-11 07:09:07,513 INFO [PluginConnector.java:252]: Initializing RCFGBuilder... 2019-05-11 07:09:07,513 INFO [PluginConnector.java:257]: RCFGBuilder initialized 2019-05-11 07:09:07,515 INFO [PluginConnector.java:162]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:09:07" (1/1) ... 2019-05-11 07:09:07,614 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 07:09:07,617 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 07:09:07,724 INFO [PluginConnector.java:110]: ------------------------ END RCFGBuilder---------------------------- 2019-05-11 07:09:07,725 INFO [PluginConnector.java:90]: ------------------------BlockEncoding---------------------------- 2019-05-11 07:09:07,725 INFO [PluginConnector.java:252]: Initializing BlockEncoding... 2019-05-11 07:09:07,726 INFO [PluginConnector.java:257]: BlockEncoding initialized 2019-05-11 07:09:07,726 INFO [PluginConnector.java:162]: Executing the observer BlockEncodingObserver from plugin BlockEncoding for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.05 07:09:07" (1/1) ... 2019-05-11 07:09:07,741 INFO [PluginConnector.java:162]: Executing the observer MinModelConversionObserver from plugin BlockEncoding for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.05 07:09:07" (1/1) ... 2019-05-11 07:09:07,778 WARN [TransFormula.java:607]: CodeBlock already infeasible 2019-05-11 07:09:07,780 WARN [TransFormula.java:607]: CodeBlock already infeasible 2019-05-11 07:09:07,780 INFO [PluginConnector.java:110]: ------------------------ END BlockEncoding---------------------------- 2019-05-11 07:09:07,781 INFO [PluginConnector.java:90]: ------------------------TraceAbstraction---------------------------- 2019-05-11 07:09:07,781 INFO [PluginConnector.java:252]: Initializing TraceAbstraction... 2019-05-11 07:09:07,782 INFO [PluginConnector.java:257]: TraceAbstraction initialized 2019-05-11 07:09:07,783 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.blockencoding CFG 11.05 07:09:07" (1/5) ... 2019-05-11 07:09:07,784 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "BlockEncodedModel CFG 11.05 07:09:07" (2/5) ... 2019-05-11 07:09:07,784 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.05 07:09:07" (3/5) ... 2019-05-11 07:09:07,784 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:09:07" (4/5) ... 2019-05-11 07:09:07,785 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.05 07:09:07" (5/5) ... Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 2019-05-11 07:09:07,880 INFO [PluginConnector.java:110]: ------------------------ END TraceAbstraction---------------------------- 2019-05-11 07:09:07,880 INFO [PluginConnector.java:90]: ------------------------BuchiAutomizer---------------------------- 2019-05-11 07:09:07,880 INFO [PluginConnector.java:252]: Initializing BuchiAutomizer... 2019-05-11 07:09:07,880 INFO [PluginConnector.java:257]: BuchiAutomizer initialized 2019-05-11 07:09:07,883 INFO [PluginConnector.java:162]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.05 07:09:07" (1/1) ... 2019-05-11 07:09:08,470 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:08,492 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:08,495 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:08,502 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:08,505 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:08,534 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:08,537 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:08,542 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:08,545 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:08,587 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:08,591 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:08,594 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:08,598 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:08,628 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:08,634 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:08,636 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:08,639 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:08,677 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:08,681 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:08,686 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:09,010 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:09,012 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:09,014 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:09,015 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:09,028 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:09,030 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:09,031 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:09,033 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:09,058 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:09,060 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:09,062 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:09,065 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:09,090 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:09,093 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:09,096 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:09,098 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:09,127 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:09,131 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:09,134 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:09,137 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:09,167 INFO [PluginConnector.java:110]: ------------------------ END BuchiAutomizer---------------------------- 2019-05-11 07:09:09,168 INFO [Benchmark.java:150]: Toolchain (without parser) took 1798.28 ms. Allocated memory is still 649.6 MB. Free memory was 613.0 MB in the beginning and 405.6 MB in the end (delta: 207.4 MB). Peak memory consumption was 207.4 MB. Max. memory is 53.1 GB 2019-05-11 07:09:09,170 INFO [Benchmark.java:150]: CDTParser took 117.47 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 07:09:09,171 INFO [Benchmark.java:150]: CACSL2BoogieTranslator took 113.43 ms. Allocated memory is still 649.6 MB. Free memory was 613.0 MB in the beginning and 606.3 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 53.1 GB 2019-05-11 07:09:09,172 INFO [Benchmark.java:150]: Boogie Preprocessor took 26.29 ms. Allocated memory is still 649.6 MB. Free memory was 606.3 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 07:09:09,173 INFO [Benchmark.java:150]: RCFGBuilder took 212.00 ms. Allocated memory is still 649.6 MB. Free memory was 604.9 MB in the beginning and 589.2 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 53.1 GB 2019-05-11 07:09:09,173 INFO [Benchmark.java:150]: BlockEncoding took 55.78 ms. Allocated memory is still 649.6 MB. Free memory was 589.2 MB in the beginning and 586.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 53.1 GB 2019-05-11 07:09:09,174 INFO [Benchmark.java:150]: TraceAbstraction took 99.08 ms. Allocated memory is still 649.6 MB. Free memory was 586.5 MB in the beginning and 581.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 53.1 GB 2019-05-11 07:09:09,175 INFO [Benchmark.java:150]: BuchiAutomizer took 1287.33 ms. Allocated memory is still 649.6 MB. Free memory was 581.0 MB in the beginning and 405.6 MB in the end (delta: 175.5 MB). Peak memory consumption was 175.5 MB. Max. memory is 53.1 GB 2019-05-11 07:09:09,182 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 07:09:09,182 INFO [ToolchainManager.java:286]: ####################### End [Toolchain 1] ####################### 2019-05-11 07:09:09,182 INFO [BasicToolchainJob.java:73]: --- Results --- 2019-05-11 07:09:09,182 INFO [BasicToolchainJob.java:75]: * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 2019-05-11 07:09:09,182 INFO [BasicToolchainJob.java:89]: - AllSpecificationsHoldResult: All specifications hold 2019-05-11 07:09:09,183 INFO [BasicToolchainJob.java:95]: We were not able to verify any specifiation because the program does not contain any specification. 2019-05-11 07:09:09,183 INFO [BasicToolchainJob.java:89]: - ProcedureContractResult [Line: 13]: Procedure Contract for main 2019-05-11 07:09:09,183 INFO [BasicToolchainJob.java:95]: Derived contract for procedure main: 1 2019-05-11 07:09:09,183 INFO [BasicToolchainJob.java:89]: - InvariantResult [Line: 19]: Loop Invariant 2019-05-11 07:09:09,183 INFO [BasicToolchainJob.java:95]: Derived loop invariant: 1 2019-05-11 07:09:09,183 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Ultimate Automizer benchmark data 2019-05-11 07:09:09,183 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 07:09:09,183 INFO [BasicToolchainJob.java:75]: * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: 2019-05-11 07:09:09,184 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Constructed decomposition of program 2019-05-11 07:09:09,184 INFO [BasicToolchainJob.java:95]: Trivial decomposition into one module whose termination is unknown. 2019-05-11 07:09:09,184 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Constructed termination proof in form of nested word automata 2019-05-11 07:09:09,184 INFO [BasicToolchainJob.java:95]: Unable to prove termination 2019-05-11 07:09:09,184 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Timing statistics 2019-05-11 07:09:09,185 INFO [BasicToolchainJob.java:95]: BüchiAutomizer plugin needed 1.2s and 1 iterations. Analysis of lassos took 1.2s. 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: inital24 mio100 ax100 hnf100 lsp91 arr100 mio100 lsp100 div100 bol100 ite100 ukn100 eq163 hnf94 smp100 dnf100 smp100 tf104 neg100 sie100 Nontermination: inital24 mio100 ax100 hnf100 lsp91 arr100 mio100 lsp100 div100 bol100 ite100 ukn100 eq163 hnf94 smp100 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 23ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 2019-05-11 07:09:09,185 INFO [BasicToolchainJob.java:89]: - TerminationAnalysisResult: Unable to decide termination 2019-05-11 07:09:09,185 INFO [BasicToolchainJob.java:95]: Buchi Automizer is unable to decide termination for the following lasso. Stem: "call ULTIMATE.init();"< "assume true;" >"return;" "call #t~ret3 := main();"< "havoc ~x~2;havoc ~y~2;havoc ~z~2;~x~2 := #t~nondet0;havoc #t~nondet0;~y~2 := #t~nondet1;havoc #t~nondet1;~z~2 := #t~nondet2;havoc #t~nondet2;assume 2 * ~y~2 >= ~z~2;" "assume true;assume !!(~x~2 >= 0 && ~z~2 == 1);~x~2 := ~x~2 - 2 * ~y~2 + 1;" Loop: "assume true;assume !!(~x~2 >= 0 && ~z~2 == 1);~x~2 := ~x~2 - 2 * ~y~2 + 1;" 2019-05-11 07:09:09,185 INFO [BasicToolchainJob.java:75]: * Results from UltimateCore: 2019-05-11 07:09:09,185 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Toolchain Benchmarks 2019-05-11 07:09:09,192 INFO [BasicToolchainJob.java:95]: Benchmark results are: * CDTParser took 117.47 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 113.43 ms. Allocated memory is still 649.6 MB. Free memory was 613.0 MB in the beginning and 606.3 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 53.1 GB * Boogie Preprocessor took 26.29 ms. Allocated memory is still 649.6 MB. Free memory was 606.3 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 212.00 ms. Allocated memory is still 649.6 MB. Free memory was 604.9 MB in the beginning and 589.2 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 53.1 GB * BlockEncoding took 55.78 ms. Allocated memory is still 649.6 MB. Free memory was 589.2 MB in the beginning and 586.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 53.1 GB * TraceAbstraction took 99.08 ms. Allocated memory is still 649.6 MB. Free memory was 586.5 MB in the beginning and 581.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 53.1 GB * BuchiAutomizer took 1287.33 ms. Allocated memory is still 649.6 MB. Free memory was 581.0 MB in the beginning and 405.6 MB in the end (delta: 175.5 MB). Peak memory consumption was 175.5 MB. Max. memory is 53.1 GB 2019-05-11 07:09:09,219 INFO [UltimateCore.java:84]: Preparing to exit Ultimate with return code 0 Closed successfully