NO 2019-05-11 07:12:08,311 INFO [UltimateCore.java:185]: Initializing application 2019-05-11 07:12:08,314 INFO [UltimateCore.java:202]: -------------------------------------------------------------------------------- 2019-05-11 07:12:08,318 INFO [PluginFactory.java:62]: -------------------------------------------------------------------------------- 2019-05-11 07:12:08,318 INFO [PluginFactory.java:63]: Detecting plugins... 2019-05-11 07:12:08,319 INFO [PluginFactory.java:287]: 1 IController plugins available 2019-05-11 07:12:08,319 INFO [PluginFactory.java:287]: 4 ISource plugins available 2019-05-11 07:12:08,320 INFO [PluginFactory.java:287]: 1 IOutput plugins available 2019-05-11 07:12:08,320 INFO [PluginFactory.java:287]: 10 IGenerator plugins available 2019-05-11 07:12:08,320 INFO [PluginFactory.java:287]: 5 IAnalysis plugins available 2019-05-11 07:12:08,323 INFO [PluginFactory.java:241]: Loaded controller UltimateCore 2019-05-11 07:12:08,323 INFO [PluginFactory.java:70]: Finished detecting plugins! 2019-05-11 07:12:08,324 INFO [PluginFactory.java:71]: Loading services ... 2019-05-11 07:12:08,324 INFO [PluginFactory.java:272]: 0 IServiceFactory services available 2019-05-11 07:12:08,324 INFO [PluginFactory.java:73]: Finished loading services! 2019-05-11 07:12:08,324 INFO [PluginFactory.java:74]: -------------------------------------------------------------------------------- 2019-05-11 07:12:08,326 INFO [SettingsManager.java:46]: Loading settings from ./../termcomp2015.epf 2019-05-11 07:12:10,464 INFO [SettingsManager.java:54]: Loading preferences was successful 2019-05-11 07:12:10,464 INFO [SettingsManager.java:55]: Preferences different from defaults: 2019-05-11 07:12:10,464 INFO [PluginFactory.java:178]: -------------------------------------------------------------------------------- 2019-05-11 07:12:10,465 INFO [PluginFactory.java:179]: Loading all admissible plugins (creating one instance, loading preferences) 2019-05-11 07:12:10,814 INFO [PluginFactory.java:196]: Finished loading 20 admissible plugins (all were admissible) 2019-05-11 07:12:10,814 INFO [PluginFactory.java:198]: -------------------------------------------------------------------------------- 2019-05-11 07:12:10,815 INFO [SettingsManager.java:61]: Preferences of LassoRanker differ from their defaults: 2019-05-11 07:12:10,815 INFO [SettingsManager.java:63]: * Only non-decreasing invariants=true 2019-05-11 07:12:10,815 INFO [SettingsManager.java:63]: * Termination analysis=LINEAR_WITH_GUESSES 2019-05-11 07:12:10,815 INFO [SettingsManager.java:63]: * SMT solver command=z3 -smt2 -in SMTLIB2_COMPLIANT=true 2019-05-11 07:12:10,815 INFO [SettingsManager.java:63]: * Nontermination analysis=LINEAR_WITH_GUESSES 2019-05-11 07:12:10,816 INFO [SettingsManager.java:61]: Preferences of BlockEncoding differ from their defaults: 2019-05-11 07:12:10,816 INFO [SettingsManager.java:63]: * Rating-Boundary (empty for LBE)=0 2019-05-11 07:12:10,816 INFO [SettingsManager.java:63]: * Strategy for the edge rating=DISJUNCTIVE_RATING 2019-05-11 07:12:10,816 INFO [SettingsManager.java:61]: Preferences of BuchiAutomizer differ from their defaults: 2019-05-11 07:12:10,816 INFO [SettingsManager.java:63]: * Lasso Analysis=Linear_with_guesses 2019-05-11 07:12:10,816 INFO [SettingsManager.java:63]: * Use external solver (rank synthesis)=false 2019-05-11 07:12:10,817 INFO [SettingsManager.java:63]: * Buchi interpolant automaton=StagedBlast 2019-05-11 07:12:10,817 INFO [SettingsManager.java:63]: * Construct termination proof for TermComp=true 2019-05-11 07:12:10,817 INFO [SettingsManager.java:61]: Preferences of CACSL2BoogieTranslator differ from their defaults: 2019-05-11 07:12:10,817 INFO [SettingsManager.java:63]: * Check unreachability of error function in SV-COMP mode=false 2019-05-11 07:12:10,817 INFO [SettingsManager.java:63]: * Size of pointer (in bytes)=8 2019-05-11 07:12:10,818 INFO [SettingsManager.java:63]: * Check if freed pointer was valid=false 2019-05-11 07:12:10,818 INFO [SettingsManager.java:63]: * How to treat unsigned ints differently from normal ones=IGNORE 2019-05-11 07:12:10,818 INFO [SettingsManager.java:61]: Preferences of CodeCheck differ from their defaults: 2019-05-11 07:12:10,818 INFO [SettingsManager.java:63]: * Timeout in seconds=100000 2019-05-11 07:12:10,818 INFO [SettingsManager.java:63]: * The redirection strategy for Impulse=RANDOmSTRONGEST 2019-05-11 07:12:10,818 INFO [SettingsManager.java:61]: Preferences of RCFGBuilder differ from their defaults: 2019-05-11 07:12:10,819 INFO [SettingsManager.java:63]: * Size of a code block=SequenceOfStatements 2019-05-11 07:12:10,819 INFO [SettingsManager.java:63]: * Convert code blocks to CNF=false 2019-05-11 07:12:10,819 INFO [SettingsManager.java:63]: * To the following directory=/home/matthias/ultimate/dump 2019-05-11 07:12:10,819 INFO [SettingsManager.java:63]: * Command for external solver=./../z3/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 2019-05-11 07:12:10,819 INFO [SettingsManager.java:61]: Preferences of TraceAbstraction differ from their defaults: 2019-05-11 07:12:10,820 INFO [SettingsManager.java:63]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 2019-05-11 07:12:10,820 INFO [SettingsManager.java:61]: Preferences of UltimateCore differ from their defaults: 2019-05-11 07:12:10,820 INFO [SettingsManager.java:63]: * Log level for plugins=warn 2019-05-11 07:12:10,820 INFO [SettingsManager.java:61]: Preferences of UltimateCore differ from their defaults: 2019-05-11 07:12:10,820 INFO [SettingsManager.java:63]: * Log level for plugins=warn 2019-05-11 07:12:10,821 INFO [UltimateCore.java:76]: Initializing controller ... 2019-05-11 07:12:11,054 INFO [PersistenceAwareModelManager.java:56]: Repository-Root is: /tmp 2019-05-11 07:12:11,060 INFO [ToolchainManager.java:402]: [Toolchain 1]: Parser CDTParser is usable for /export/starexec/sandbox/benchmark/theBenchmark.c 2019-05-11 07:12:11,060 INFO [ToolchainManager.java:214]: [Toolchain 1]: Parser(s) successfully initiated... 2019-05-11 07:12:11,063 INFO [ToolchainManager.java:187]: [Toolchain 1]: Toolchain data selected. 2019-05-11 07:12:11,064 INFO [PluginConnector.java:252]: Initializing CDTParser... 2019-05-11 07:12:11,065 INFO [PluginConnector.java:257]: CDTParser initialized 2019-05-11 07:12:11,065 INFO [ToolchainManager.java:355]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 2019-05-11 07:12:11,188 INFO [ToolchainManager.java:238]: ####################### [Toolchain 1] ####################### 2019-05-11 07:12:11,189 INFO [ToolchainWalker.java:61]: Walking toolchain with 6 elements. 2019-05-11 07:12:11,190 INFO [PluginConnector.java:90]: ------------------------CACSL2BoogieTranslator---------------------------- 2019-05-11 07:12:11,190 INFO [PluginConnector.java:252]: Initializing CACSL2BoogieTranslator... 2019-05-11 07:12:11,194 INFO [PluginConnector.java:257]: CACSL2BoogieTranslator initialized 2019-05-11 07:12:11,194 INFO [PluginConnector.java:162]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.05 07:12:11" (1/1) ... 2019-05-11 07:12:11,299 INFO [PluginConnector.java:110]: ------------------------ END CACSL2BoogieTranslator---------------------------- 2019-05-11 07:12:11,300 INFO [PluginConnector.java:90]: ------------------------Boogie Preprocessor---------------------------- 2019-05-11 07:12:11,300 INFO [PluginConnector.java:252]: Initializing Boogie Preprocessor... 2019-05-11 07:12:11,300 INFO [PluginConnector.java:257]: Boogie Preprocessor initialized 2019-05-11 07:12:11,315 INFO [PluginConnector.java:162]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:12:11" (1/1) ... 2019-05-11 07:12:11,319 INFO [PluginConnector.java:162]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:12:11" (1/1) ... 2019-05-11 07:12:11,320 INFO [PluginConnector.java:162]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:12:11" (1/1) ... 2019-05-11 07:12:11,321 INFO [PluginConnector.java:162]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:12:11" (1/1) ... 2019-05-11 07:12:11,323 INFO [PluginConnector.java:162]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:12:11" (1/1) ... 2019-05-11 07:12:11,323 INFO [PluginConnector.java:162]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:12:11" (1/1) ... 2019-05-11 07:12:11,324 INFO [PluginConnector.java:110]: ------------------------ END Boogie Preprocessor---------------------------- 2019-05-11 07:12:11,325 INFO [PluginConnector.java:90]: ------------------------RCFGBuilder---------------------------- 2019-05-11 07:12:11,325 INFO [PluginConnector.java:252]: Initializing RCFGBuilder... 2019-05-11 07:12:11,346 INFO [PluginConnector.java:257]: RCFGBuilder initialized 2019-05-11 07:12:11,348 INFO [PluginConnector.java:162]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:12:11" (1/1) ... 2019-05-11 07:12:11,439 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 07:12:11,441 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 07:12:11,539 INFO [PluginConnector.java:110]: ------------------------ END RCFGBuilder---------------------------- 2019-05-11 07:12:11,539 INFO [PluginConnector.java:90]: ------------------------BlockEncoding---------------------------- 2019-05-11 07:12:11,539 INFO [PluginConnector.java:252]: Initializing BlockEncoding... 2019-05-11 07:12:11,540 INFO [PluginConnector.java:257]: BlockEncoding initialized 2019-05-11 07:12:11,541 INFO [PluginConnector.java:162]: Executing the observer BlockEncodingObserver from plugin BlockEncoding for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.05 07:12:11" (1/1) ... 2019-05-11 07:12:11,553 INFO [PluginConnector.java:162]: Executing the observer MinModelConversionObserver from plugin BlockEncoding for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.05 07:12:11" (1/1) ... 2019-05-11 07:12:11,566 WARN [TransFormula.java:607]: CodeBlock already infeasible 2019-05-11 07:12:11,567 WARN [TransFormula.java:607]: CodeBlock already infeasible 2019-05-11 07:12:11,583 INFO [PluginConnector.java:110]: ------------------------ END BlockEncoding---------------------------- 2019-05-11 07:12:11,583 INFO [PluginConnector.java:90]: ------------------------TraceAbstraction---------------------------- 2019-05-11 07:12:11,584 INFO [PluginConnector.java:252]: Initializing TraceAbstraction... 2019-05-11 07:12:11,585 INFO [PluginConnector.java:257]: TraceAbstraction initialized 2019-05-11 07:12:11,585 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "BlockEncodedModel CFG 11.05 07:12:11" (1/5) ... 2019-05-11 07:12:11,586 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:12:11" (2/5) ... 2019-05-11 07:12:11,586 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.05 07:12:11" (3/5) ... 2019-05-11 07:12:11,586 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.05 07:12:11" (4/5) ... 2019-05-11 07:12:11,587 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.blockencoding CFG 11.05 07:12:11" (5/5) ... Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 2019-05-11 07:12:11,675 INFO [PluginConnector.java:110]: ------------------------ END TraceAbstraction---------------------------- 2019-05-11 07:12:11,676 INFO [PluginConnector.java:90]: ------------------------BuchiAutomizer---------------------------- 2019-05-11 07:12:11,676 INFO [PluginConnector.java:252]: Initializing BuchiAutomizer... 2019-05-11 07:12:11,676 INFO [PluginConnector.java:257]: BuchiAutomizer initialized 2019-05-11 07:12:11,678 INFO [PluginConnector.java:162]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.05 07:12:11" (1/1) ... 2019-05-11 07:12:12,974 INFO [PluginConnector.java:110]: ------------------------ END BuchiAutomizer---------------------------- 2019-05-11 07:12:12,975 INFO [Benchmark.java:150]: Toolchain (without parser) took 1786.42 ms. Allocated memory is still 643.3 MB. Free memory was 604.1 MB in the beginning and 421.4 MB in the end (delta: 182.7 MB). Peak memory consumption was 182.7 MB. Max. memory is 53.1 GB 2019-05-11 07:12:12,977 INFO [Benchmark.java:150]: CDTParser took 111.36 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 07:12:12,978 INFO [Benchmark.java:150]: CACSL2BoogieTranslator took 109.50 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 07:12:12,979 INFO [Benchmark.java:150]: Boogie Preprocessor took 24.79 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 07:12:12,979 INFO [Benchmark.java:150]: RCFGBuilder took 214.44 ms. Allocated memory is still 643.3 MB. Free memory was 598.8 MB in the beginning and 584.6 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 53.1 GB 2019-05-11 07:12:12,980 INFO [Benchmark.java:150]: BlockEncoding took 43.94 ms. Allocated memory is still 643.3 MB. Free memory was 584.6 MB in the beginning and 580.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 53.1 GB 2019-05-11 07:12:12,981 INFO [Benchmark.java:150]: TraceAbstraction took 92.15 ms. Allocated memory is still 643.3 MB. Free memory was 580.6 MB in the beginning and 575.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 53.1 GB 2019-05-11 07:12:12,982 INFO [Benchmark.java:150]: BuchiAutomizer took 1298.33 ms. Allocated memory is still 643.3 MB. Free memory was 575.2 MB in the beginning and 421.4 MB in the end (delta: 153.8 MB). Peak memory consumption was 153.8 MB. Max. memory is 53.1 GB 2019-05-11 07:12:12,988 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 07:12:12,988 INFO [ToolchainManager.java:286]: ####################### End [Toolchain 1] ####################### 2019-05-11 07:12:12,988 INFO [BasicToolchainJob.java:73]: --- Results --- 2019-05-11 07:12:12,989 INFO [BasicToolchainJob.java:75]: * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 2019-05-11 07:12:12,989 INFO [BasicToolchainJob.java:89]: - AllSpecificationsHoldResult: All specifications hold 2019-05-11 07:12:12,989 INFO [BasicToolchainJob.java:95]: We were not able to verify any specifiation because the program does not contain any specification. 2019-05-11 07:12:12,989 INFO [BasicToolchainJob.java:89]: - ProcedureContractResult [Line: 5]: Procedure Contract for main 2019-05-11 07:12:12,989 INFO [BasicToolchainJob.java:95]: Derived contract for procedure main: 1 2019-05-11 07:12:12,989 INFO [BasicToolchainJob.java:89]: - InvariantResult [Line: 9]: Loop Invariant 2019-05-11 07:12:12,990 INFO [BasicToolchainJob.java:95]: Derived loop invariant: 1 2019-05-11 07:12:12,990 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Ultimate Automizer benchmark data 2019-05-11 07:12:12,990 INFO [BasicToolchainJob.java:95]: CFG has 13 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 13 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 07:12:12,991 INFO [BasicToolchainJob.java:75]: * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: 2019-05-11 07:12:12,991 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Constructed decomposition of program 2019-05-11 07:12:12,991 INFO [BasicToolchainJob.java:95]: Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function i + 0 and consists of 5 locations. One deterministic module has affine ranking function i + 0 and consists of 4 locations. One nondeterministic module has affine ranking function i + 0 and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 32 locations. 2019-05-11 07:12:12,991 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Constructed termination proof in form of nested word automata 2019-05-11 07:12:12,991 INFO [BasicToolchainJob.java:95]: Program is not terminating, hence no termination proof 2019-05-11 07:12:12,991 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Timing statistics 2019-05-11 07:12:12,992 INFO [BasicToolchainJob.java:95]: BüchiAutomizer plugin needed 1.2s and 4 iterations. Analysis of lassos took 0.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization removed 11 states and took 0.0s. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 32 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 3/3 InterpolantCoveringCapabilityBuchi: 0/0 EdgeCheckerBenchmarkData: HoareTripleChecks: 21 SDtfs, 0 SDslu, 12 SDs, 0 lazy, 130 Sat,106 Unsat,0 Unknown,0 NotChecked. HoareTripleCheck time: 0.1s LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Termination: inital10 mio100 ax100 hnf95 lsp100 arr100 mio100 lsp100 div100 bol100 ite100 ukn100 eq147 hnf93 smp100 dnf100 smp100 tf112 neg100 sie100 Nontermination: inital10 mio100 ax100 hnf95 lsp100 arr100 mio100 lsp100 div100 bol100 ite100 ukn100 eq147 hnf93 smp100 dnf100 smp100 tf112 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 28ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 2019-05-11 07:12:12,992 INFO [BasicToolchainJob.java:89]: - TerminationAnalysisResult: Nontermination possible 2019-05-11 07:12:12,993 INFO [BasicToolchainJob.java:95]: Buchi Automizer proved that your program is nonterminating for some inputs 2019-05-11 07:12:12,993 INFO [BasicToolchainJob.java:89]: - NonTerminationArgumentResult [Line: 9]: Nontermination argument in form of an infinite program execution. 2019-05-11 07:12:12,993 INFO [BasicToolchainJob.java:95]: Nontermination argument in form of an infinite execution State at position 0 is {i=0} State at position 1 is {i=49} For i>1, the state at position i is {i=49} 2019-05-11 07:12:12,993 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: NonterminationBenchmark 2019-05-11 07:12:12,993 INFO [BasicToolchainJob.java:95]: Fixpoint Lambdas: [1] Ray: is zero 2019-05-11 07:12:12,994 INFO [BasicToolchainJob.java:89]: - NonterminatingLassoResult [Line: 9]: Nonterminating execution 2019-05-11 07:12:12,995 INFO [BasicToolchainJob.java:95]: Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = 0 [L9] COND TRUE i < 100 [L10] COND TRUE i < 50 [L10] i = 51 [L10] i < 50 [L9] COND TRUE i < 100 [L10] COND FALSE !(i < 50) [L11] i = 49 [L10] i < 50 Loop: [L9] COND TRUE i < 100 [L10] COND TRUE i < 50 [L10] i = 51 [L10] i < 50 [L9] COND TRUE i < 100 [L10] COND FALSE !(i < 50) [L11] i = 49 [L10] i < 50 End of lasso representation. 2019-05-11 07:12:12,995 INFO [BasicToolchainJob.java:75]: * Results from UltimateCore: 2019-05-11 07:12:12,995 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Toolchain Benchmarks 2019-05-11 07:12:13,002 INFO [BasicToolchainJob.java:95]: Benchmark results are: * CDTParser took 111.36 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 109.50 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 24.79 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 214.44 ms. Allocated memory is still 643.3 MB. Free memory was 598.8 MB in the beginning and 584.6 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 53.1 GB * BlockEncoding took 43.94 ms. Allocated memory is still 643.3 MB. Free memory was 584.6 MB in the beginning and 580.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 53.1 GB * TraceAbstraction took 92.15 ms. Allocated memory is still 643.3 MB. Free memory was 580.6 MB in the beginning and 575.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 53.1 GB * BuchiAutomizer took 1298.33 ms. Allocated memory is still 643.3 MB. Free memory was 575.2 MB in the beginning and 421.4 MB in the end (delta: 153.8 MB). Peak memory consumption was 153.8 MB. Max. memory is 53.1 GB 2019-05-11 07:12:13,027 INFO [UltimateCore.java:84]: Preparing to exit Ultimate with return code 0 Closed successfully