MAYBE 2019-05-11 07:09:42,118 INFO [UltimateCore.java:185]: Initializing application 2019-05-11 07:09:42,121 INFO [UltimateCore.java:202]: -------------------------------------------------------------------------------- 2019-05-11 07:09:42,138 INFO [PluginFactory.java:62]: -------------------------------------------------------------------------------- 2019-05-11 07:09:42,138 INFO [PluginFactory.java:63]: Detecting plugins... 2019-05-11 07:09:42,139 INFO [PluginFactory.java:287]: 1 IController plugins available 2019-05-11 07:09:42,139 INFO [PluginFactory.java:287]: 4 ISource plugins available 2019-05-11 07:09:42,140 INFO [PluginFactory.java:287]: 1 IOutput plugins available 2019-05-11 07:09:42,140 INFO [PluginFactory.java:287]: 10 IGenerator plugins available 2019-05-11 07:09:42,140 INFO [PluginFactory.java:287]: 5 IAnalysis plugins available 2019-05-11 07:09:42,143 INFO [PluginFactory.java:241]: Loaded controller UltimateCore 2019-05-11 07:09:42,143 INFO [PluginFactory.java:70]: Finished detecting plugins! 2019-05-11 07:09:42,143 INFO [PluginFactory.java:71]: Loading services ... 2019-05-11 07:09:42,144 INFO [PluginFactory.java:272]: 0 IServiceFactory services available 2019-05-11 07:09:42,144 INFO [PluginFactory.java:73]: Finished loading services! 2019-05-11 07:09:42,144 INFO [PluginFactory.java:74]: -------------------------------------------------------------------------------- 2019-05-11 07:09:42,146 INFO [SettingsManager.java:46]: Loading settings from ./../termcomp2015.epf 2019-05-11 07:09:44,146 INFO [SettingsManager.java:54]: Loading preferences was successful 2019-05-11 07:09:44,146 INFO [SettingsManager.java:55]: Preferences different from defaults: 2019-05-11 07:09:44,146 INFO [PluginFactory.java:178]: -------------------------------------------------------------------------------- 2019-05-11 07:09:44,146 INFO [PluginFactory.java:179]: Loading all admissible plugins (creating one instance, loading preferences) 2019-05-11 07:09:44,497 INFO [PluginFactory.java:196]: Finished loading 20 admissible plugins (all were admissible) 2019-05-11 07:09:44,497 INFO [PluginFactory.java:198]: -------------------------------------------------------------------------------- 2019-05-11 07:09:44,497 INFO [SettingsManager.java:61]: Preferences of LassoRanker differ from their defaults: 2019-05-11 07:09:44,498 INFO [SettingsManager.java:63]: * Only non-decreasing invariants=true 2019-05-11 07:09:44,498 INFO [SettingsManager.java:63]: * Termination analysis=LINEAR_WITH_GUESSES 2019-05-11 07:09:44,498 INFO [SettingsManager.java:63]: * SMT solver command=z3 -smt2 -in SMTLIB2_COMPLIANT=true 2019-05-11 07:09:44,498 INFO [SettingsManager.java:63]: * Nontermination analysis=LINEAR_WITH_GUESSES 2019-05-11 07:09:44,498 INFO [SettingsManager.java:61]: Preferences of BlockEncoding differ from their defaults: 2019-05-11 07:09:44,499 INFO [SettingsManager.java:63]: * Rating-Boundary (empty for LBE)=0 2019-05-11 07:09:44,499 INFO [SettingsManager.java:63]: * Strategy for the edge rating=DISJUNCTIVE_RATING 2019-05-11 07:09:44,499 INFO [SettingsManager.java:61]: Preferences of BuchiAutomizer differ from their defaults: 2019-05-11 07:09:44,499 INFO [SettingsManager.java:63]: * Lasso Analysis=Linear_with_guesses 2019-05-11 07:09:44,499 INFO [SettingsManager.java:63]: * Use external solver (rank synthesis)=false 2019-05-11 07:09:44,499 INFO [SettingsManager.java:63]: * Buchi interpolant automaton=StagedBlast 2019-05-11 07:09:44,500 INFO [SettingsManager.java:63]: * Construct termination proof for TermComp=true 2019-05-11 07:09:44,500 INFO [SettingsManager.java:61]: Preferences of CACSL2BoogieTranslator differ from their defaults: 2019-05-11 07:09:44,500 INFO [SettingsManager.java:63]: * Check unreachability of error function in SV-COMP mode=false 2019-05-11 07:09:44,500 INFO [SettingsManager.java:63]: * Size of pointer (in bytes)=8 2019-05-11 07:09:44,500 INFO [SettingsManager.java:63]: * Check if freed pointer was valid=false 2019-05-11 07:09:44,500 INFO [SettingsManager.java:63]: * How to treat unsigned ints differently from normal ones=IGNORE 2019-05-11 07:09:44,501 INFO [SettingsManager.java:61]: Preferences of CodeCheck differ from their defaults: 2019-05-11 07:09:44,501 INFO [SettingsManager.java:63]: * Timeout in seconds=100000 2019-05-11 07:09:44,501 INFO [SettingsManager.java:63]: * The redirection strategy for Impulse=RANDOmSTRONGEST 2019-05-11 07:09:44,501 INFO [SettingsManager.java:61]: Preferences of RCFGBuilder differ from their defaults: 2019-05-11 07:09:44,501 INFO [SettingsManager.java:63]: * Size of a code block=SequenceOfStatements 2019-05-11 07:09:44,502 INFO [SettingsManager.java:63]: * Convert code blocks to CNF=false 2019-05-11 07:09:44,502 INFO [SettingsManager.java:63]: * To the following directory=/home/matthias/ultimate/dump 2019-05-11 07:09:44,502 INFO [SettingsManager.java:63]: * Command for external solver=./../z3/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 2019-05-11 07:09:44,502 INFO [SettingsManager.java:61]: Preferences of TraceAbstraction differ from their defaults: 2019-05-11 07:09:44,502 INFO [SettingsManager.java:63]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 2019-05-11 07:09:44,502 INFO [SettingsManager.java:61]: Preferences of UltimateCore differ from their defaults: 2019-05-11 07:09:44,503 INFO [SettingsManager.java:63]: * Log level for plugins=warn 2019-05-11 07:09:44,503 INFO [SettingsManager.java:61]: Preferences of UltimateCore differ from their defaults: 2019-05-11 07:09:44,503 INFO [SettingsManager.java:63]: * Log level for plugins=warn 2019-05-11 07:09:44,503 INFO [UltimateCore.java:76]: Initializing controller ... 2019-05-11 07:09:44,716 INFO [PersistenceAwareModelManager.java:56]: Repository-Root is: /tmp 2019-05-11 07:09:44,722 INFO [ToolchainManager.java:402]: [Toolchain 1]: Parser CDTParser is usable for /export/starexec/sandbox2/benchmark/theBenchmark.c 2019-05-11 07:09:44,723 INFO [ToolchainManager.java:214]: [Toolchain 1]: Parser(s) successfully initiated... 2019-05-11 07:09:44,725 INFO [ToolchainManager.java:187]: [Toolchain 1]: Toolchain data selected. 2019-05-11 07:09:44,726 INFO [PluginConnector.java:252]: Initializing CDTParser... 2019-05-11 07:09:44,727 INFO [PluginConnector.java:257]: CDTParser initialized 2019-05-11 07:09:44,727 INFO [ToolchainManager.java:355]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 2019-05-11 07:09:44,847 INFO [ToolchainManager.java:238]: ####################### [Toolchain 1] ####################### 2019-05-11 07:09:44,849 INFO [ToolchainWalker.java:61]: Walking toolchain with 6 elements. 2019-05-11 07:09:44,849 INFO [PluginConnector.java:90]: ------------------------CACSL2BoogieTranslator---------------------------- 2019-05-11 07:09:44,849 INFO [PluginConnector.java:252]: Initializing CACSL2BoogieTranslator... 2019-05-11 07:09:44,853 INFO [PluginConnector.java:257]: CACSL2BoogieTranslator initialized 2019-05-11 07:09:44,853 INFO [PluginConnector.java:162]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.05 07:09:44" (1/1) ... 2019-05-11 07:09:44,959 INFO [PluginConnector.java:110]: ------------------------ END CACSL2BoogieTranslator---------------------------- 2019-05-11 07:09:44,959 INFO [PluginConnector.java:90]: ------------------------Boogie Preprocessor---------------------------- 2019-05-11 07:09:44,959 INFO [PluginConnector.java:252]: Initializing Boogie Preprocessor... 2019-05-11 07:09:44,960 INFO [PluginConnector.java:257]: Boogie Preprocessor initialized 2019-05-11 07:09:44,975 INFO [PluginConnector.java:162]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:09:44" (1/1) ... 2019-05-11 07:09:44,980 INFO [PluginConnector.java:162]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:09:44" (1/1) ... 2019-05-11 07:09:44,980 INFO [PluginConnector.java:162]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:09:44" (1/1) ... 2019-05-11 07:09:44,981 INFO [PluginConnector.java:162]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:09:44" (1/1) ... 2019-05-11 07:09:44,983 INFO [PluginConnector.java:162]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:09:44" (1/1) ... 2019-05-11 07:09:44,984 INFO [PluginConnector.java:162]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:09:44" (1/1) ... 2019-05-11 07:09:44,984 INFO [PluginConnector.java:110]: ------------------------ END Boogie Preprocessor---------------------------- 2019-05-11 07:09:44,985 INFO [PluginConnector.java:90]: ------------------------RCFGBuilder---------------------------- 2019-05-11 07:09:44,985 INFO [PluginConnector.java:252]: Initializing RCFGBuilder... 2019-05-11 07:09:44,985 INFO [PluginConnector.java:257]: RCFGBuilder initialized 2019-05-11 07:09:44,987 INFO [PluginConnector.java:162]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:09:44" (1/1) ... 2019-05-11 07:09:45,080 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 07:09:45,083 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 07:09:45,180 INFO [PluginConnector.java:110]: ------------------------ END RCFGBuilder---------------------------- 2019-05-11 07:09:45,180 INFO [PluginConnector.java:90]: ------------------------BlockEncoding---------------------------- 2019-05-11 07:09:45,180 INFO [PluginConnector.java:252]: Initializing BlockEncoding... 2019-05-11 07:09:45,181 INFO [PluginConnector.java:257]: BlockEncoding initialized 2019-05-11 07:09:45,182 INFO [PluginConnector.java:162]: Executing the observer BlockEncodingObserver from plugin BlockEncoding for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.05 07:09:45" (1/1) ... 2019-05-11 07:09:45,194 INFO [PluginConnector.java:162]: Executing the observer MinModelConversionObserver from plugin BlockEncoding for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.05 07:09:45" (1/1) ... 2019-05-11 07:09:45,230 WARN [TransFormula.java:607]: CodeBlock already infeasible 2019-05-11 07:09:45,231 WARN [TransFormula.java:607]: CodeBlock already infeasible 2019-05-11 07:09:45,232 INFO [PluginConnector.java:110]: ------------------------ END BlockEncoding---------------------------- 2019-05-11 07:09:45,232 INFO [PluginConnector.java:90]: ------------------------TraceAbstraction---------------------------- 2019-05-11 07:09:45,232 INFO [PluginConnector.java:252]: Initializing TraceAbstraction... 2019-05-11 07:09:45,233 INFO [PluginConnector.java:257]: TraceAbstraction initialized 2019-05-11 07:09:45,234 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.05 07:09:44" (1/5) ... 2019-05-11 07:09:45,235 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.05 07:09:45" (2/5) ... 2019-05-11 07:09:45,235 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "BlockEncodedModel CFG 11.05 07:09:45" (3/5) ... 2019-05-11 07:09:45,236 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.blockencoding CFG 11.05 07:09:45" (4/5) ... 2019-05-11 07:09:45,236 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:09:44" (5/5) ... Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 2019-05-11 07:09:45,321 INFO [PluginConnector.java:110]: ------------------------ END TraceAbstraction---------------------------- 2019-05-11 07:09:45,321 INFO [PluginConnector.java:90]: ------------------------BuchiAutomizer---------------------------- 2019-05-11 07:09:45,321 INFO [PluginConnector.java:252]: Initializing BuchiAutomizer... 2019-05-11 07:09:45,322 INFO [PluginConnector.java:257]: BuchiAutomizer initialized 2019-05-11 07:09:45,324 INFO [PluginConnector.java:162]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.05 07:09:45" (1/1) ... 2019-05-11 07:09:45,656 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:45,709 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:45,801 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:45,872 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:45,888 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,068 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,076 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,090 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,094 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,097 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,130 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,133 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,137 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,206 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,209 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,213 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,223 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,226 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,235 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,261 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,364 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,376 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,402 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,458 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,467 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,648 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,650 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,728 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,730 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,732 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,797 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,799 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,801 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,929 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,932 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,934 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,955 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,957 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:46,960 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:47,008 WARN [TerminationArgumentSynthesizer.java:327]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. 2019-05-11 07:09:47,017 INFO [PluginConnector.java:110]: ------------------------ END BuchiAutomizer---------------------------- 2019-05-11 07:09:47,018 INFO [Benchmark.java:150]: Toolchain (without parser) took 2170.63 ms. Allocated memory was 643.3 MB in the beginning and 646.4 MB in the end (delta: 3.1 MB). Free memory was 606.9 MB in the beginning and 452.8 MB in the end (delta: 154.0 MB). Peak memory consumption was 275.4 MB. Max. memory is 53.1 GB 2019-05-11 07:09:47,021 INFO [Benchmark.java:150]: CDTParser took 108.93 ms. Allocated memory is still 643.3 MB. Free memory was 614.9 MB in the beginning and 608.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 53.1 GB 2019-05-11 07:09:47,022 INFO [Benchmark.java:150]: CACSL2BoogieTranslator took 109.78 ms. Allocated memory is still 643.3 MB. Free memory was 606.9 MB in the beginning and 600.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 53.1 GB 2019-05-11 07:09:47,022 INFO [Benchmark.java:150]: Boogie Preprocessor took 25.42 ms. Allocated memory is still 643.3 MB. Free memory was 600.2 MB in the beginning and 598.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 53.1 GB 2019-05-11 07:09:47,023 INFO [Benchmark.java:150]: RCFGBuilder took 195.08 ms. Allocated memory is still 643.3 MB. Free memory was 598.9 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 07:09:47,024 INFO [Benchmark.java:150]: BlockEncoding took 51.74 ms. Allocated memory is still 643.3 MB. Free memory was 583.9 MB in the beginning and 581.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 53.1 GB 2019-05-11 07:09:47,024 INFO [Benchmark.java:150]: TraceAbstraction took 88.86 ms. Allocated memory is still 643.3 MB. Free memory was 581.3 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 07:09:47,025 INFO [Benchmark.java:150]: BuchiAutomizer took 1696.50 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 452.8 MB in the end (delta: 123.1 MB). Peak memory consumption was 244.5 MB. Max. memory is 53.1 GB 2019-05-11 07:09:47,032 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 07:09:47,032 INFO [ToolchainManager.java:286]: ####################### End [Toolchain 1] ####################### 2019-05-11 07:09:47,032 INFO [BasicToolchainJob.java:73]: --- Results --- 2019-05-11 07:09:47,032 INFO [BasicToolchainJob.java:75]: * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 2019-05-11 07:09:47,032 INFO [BasicToolchainJob.java:89]: - AllSpecificationsHoldResult: All specifications hold 2019-05-11 07:09:47,033 INFO [BasicToolchainJob.java:95]: We were not able to verify any specifiation because the program does not contain any specification. 2019-05-11 07:09:47,033 INFO [BasicToolchainJob.java:89]: - ProcedureContractResult [Line: 22]: Procedure Contract for main 2019-05-11 07:09:47,033 INFO [BasicToolchainJob.java:95]: Derived contract for procedure main: 1 2019-05-11 07:09:47,033 INFO [BasicToolchainJob.java:89]: - InvariantResult [Line: 26]: Loop Invariant 2019-05-11 07:09:47,033 INFO [BasicToolchainJob.java:95]: Derived loop invariant: 1 2019-05-11 07:09:47,033 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Ultimate Automizer benchmark data 2019-05-11 07:09:47,034 INFO [BasicToolchainJob.java:95]: CFG has 10 locations, 0 error locations. Automizer needed 0.0s and 0 iterations. Automata difference (including EdgeChecker) took 0.0s. Computation of Hoare annotation took 0.0s. Minimization removed 0 states and took 0.0s. Biggest automaton had 10 states and ocurred in iteration 0. InterpolantCoveringCapability: 0/0 ICC %: NaN EdgeCheckerBenchmarkData: No data available TraceCheckerBenchmark: No data available InterpolantConsolidationBenchmark: No data available 2019-05-11 07:09:47,034 INFO [BasicToolchainJob.java:75]: * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: 2019-05-11 07:09:47,034 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Constructed decomposition of program 2019-05-11 07:09:47,034 INFO [BasicToolchainJob.java:95]: Trivial decomposition into one module whose termination is unknown. 2019-05-11 07:09:47,034 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Constructed termination proof in form of nested word automata 2019-05-11 07:09:47,034 INFO [BasicToolchainJob.java:95]: Unable to prove termination 2019-05-11 07:09:47,034 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Timing statistics 2019-05-11 07:09:47,035 INFO [BasicToolchainJob.java:95]: BüchiAutomizer plugin needed 1.6s and 1 iterations. Analysis of lassos took 1.6s. 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 hnf106 lsp100 arr100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf93 smp100 dnf100 smp100 tf103 neg100 sie100 Nontermination: inital17 mio100 ax100 hnf106 lsp100 arr100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf93 smp100 dnf100 smp100 tf103 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 47ms VariablesStem: 2 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 2019-05-11 07:09:47,035 INFO [BasicToolchainJob.java:89]: - TerminationAnalysisResult: Unable to decide termination 2019-05-11 07:09:47,035 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 07:09:47,035 INFO [BasicToolchainJob.java:75]: * Results from UltimateCore: 2019-05-11 07:09:47,036 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Toolchain Benchmarks 2019-05-11 07:09:47,041 INFO [BasicToolchainJob.java:95]: Benchmark results are: * CDTParser took 108.93 ms. Allocated memory is still 643.3 MB. Free memory was 614.9 MB in the beginning and 608.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 53.1 GB * CACSL2BoogieTranslator took 109.78 ms. Allocated memory is still 643.3 MB. Free memory was 606.9 MB in the beginning and 600.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 53.1 GB * Boogie Preprocessor took 25.42 ms. Allocated memory is still 643.3 MB. Free memory was 600.2 MB in the beginning and 598.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 53.1 GB * RCFGBuilder took 195.08 ms. Allocated memory is still 643.3 MB. Free memory was 598.9 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 51.74 ms. Allocated memory is still 643.3 MB. Free memory was 583.9 MB in the beginning and 581.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 53.1 GB * TraceAbstraction took 88.86 ms. Allocated memory is still 643.3 MB. Free memory was 581.3 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 1696.50 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 452.8 MB in the end (delta: 123.1 MB). Peak memory consumption was 244.5 MB. Max. memory is 53.1 GB 2019-05-11 07:09:47,068 INFO [UltimateCore.java:84]: Preparing to exit Ultimate with return code 0 Closed successfully