YES 2019-05-11 07:10:38,309 INFO [UltimateCore.java:185]: Initializing application 2019-05-11 07:10:38,312 INFO [UltimateCore.java:202]: -------------------------------------------------------------------------------- 2019-05-11 07:10:38,316 INFO [PluginFactory.java:62]: -------------------------------------------------------------------------------- 2019-05-11 07:10:38,316 INFO [PluginFactory.java:63]: Detecting plugins... 2019-05-11 07:10:38,317 INFO [PluginFactory.java:287]: 1 IController plugins available 2019-05-11 07:10:38,317 INFO [PluginFactory.java:287]: 4 ISource plugins available 2019-05-11 07:10:38,317 INFO [PluginFactory.java:287]: 1 IOutput plugins available 2019-05-11 07:10:38,318 INFO [PluginFactory.java:287]: 10 IGenerator plugins available 2019-05-11 07:10:38,318 INFO [PluginFactory.java:287]: 5 IAnalysis plugins available 2019-05-11 07:10:38,320 INFO [PluginFactory.java:241]: Loaded controller UltimateCore 2019-05-11 07:10:38,321 INFO [PluginFactory.java:70]: Finished detecting plugins! 2019-05-11 07:10:38,321 INFO [PluginFactory.java:71]: Loading services ... 2019-05-11 07:10:38,321 INFO [PluginFactory.java:272]: 0 IServiceFactory services available 2019-05-11 07:10:38,322 INFO [PluginFactory.java:73]: Finished loading services! 2019-05-11 07:10:38,322 INFO [PluginFactory.java:74]: -------------------------------------------------------------------------------- 2019-05-11 07:10:38,323 INFO [SettingsManager.java:46]: Loading settings from ./../termcomp2015.epf !SESSION 2019-05-11 07:10:37.032 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_181 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: --console --console ./../AutomizerAndBuchiAutomizerCWithBlockEncoding.xml /export/starexec/sandbox/benchmark/theBenchmark.c --settings ./../termcomp2015.epf Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog --console -data @user.home/.ultimate --console ./../AutomizerAndBuchiAutomizerCWithBlockEncoding.xml /export/starexec/sandbox/benchmark/theBenchmark.c --settings ./../termcomp2015.epf !ENTRY org.eclipse.equinox.preferences 4 4 2019-05-11 07:10:39.264 !MESSAGE Exception saving preferences to: /mnt/nfs/itf-rs-store17/home/sandbox/.ultimate/.metadata/.plugins/org.eclipse.core.runtime/.settings/de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.prefs. !STACK 0 java.io.FileNotFoundException: /mnt/nfs/itf-rs-store17/home/sandbox/.ultimate/.metadata/.plugins/org.eclipse.core.runtime/.settings/de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.prefs.bak (Stale file handle) at java.io.FileOutputStream.open0(Native Method) at java.io.FileOutputStream.open(FileOutputStream.java:270) at java.io.FileOutputStream.(FileOutputStream.java:213) at java.io.FileOutputStream.(FileOutputStream.java:162) at org.eclipse.core.internal.preferences.SafeFileOutputStream.(SafeFileOutputStream.java:51) at org.eclipse.core.internal.preferences.EclipsePreferences.write(EclipsePreferences.java:317) at org.eclipse.core.internal.preferences.EclipsePreferences.save(EclipsePreferences.java:1135) at org.eclipse.core.internal.preferences.EclipsePreferences.save(EclipsePreferences.java:1111) at org.eclipse.core.internal.preferences.EclipsePreferences.internalFlush(EclipsePreferences.java:471) at org.eclipse.core.internal.preferences.EclipsePreferences.flush(EclipsePreferences.java:429) at org.eclipse.core.internal.preferences.EclipsePreferences.internalFlush(EclipsePreferences.java:455) at org.eclipse.core.internal.preferences.EclipsePreferences.flush(EclipsePreferences.java:429) at org.eclipse.core.internal.preferences.RootPreferences.flush(RootPreferences.java:39) at org.eclipse.core.internal.preferences.PreferencesService.applyPreferences(PreferencesService.java:203) at org.eclipse.core.internal.preferences.PreferencesService.importPreferences(PreferencesService.java:685) at de.uni_freiburg.informatik.ultimate.core.preferences.UltimatePreferenceStore.importPreferences(UltimatePreferenceStore.java:239) at de.uni_freiburg.informatik.ultimate.core.coreplugin.SettingsManager.loadPreferencesFromFile(SettingsManager.java:49) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:216) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:648) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) 2019-05-11 07:10:39,427 ERROR [SettingsManager.java:73]: Could not load preferences because of exception: org.eclipse.core.runtime.CoreException: Problems saving preferences. at org.eclipse.core.internal.preferences.PreferencesService.applyPreferences(PreferencesService.java:205) at org.eclipse.core.internal.preferences.PreferencesService.importPreferences(PreferencesService.java:685) at de.uni_freiburg.informatik.ultimate.core.preferences.UltimatePreferenceStore.importPreferences(UltimatePreferenceStore.java:239) at de.uni_freiburg.informatik.ultimate.core.coreplugin.SettingsManager.loadPreferencesFromFile(SettingsManager.java:49) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:216) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:648) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) Caused by: org.osgi.service.prefs.BackingStoreException: Exception saving preferences to: /mnt/nfs/itf-rs-store17/home/sandbox/.ultimate/.metadata/.plugins/org.eclipse.core.runtime/.settings/de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.prefs. at org.eclipse.core.internal.preferences.EclipsePreferences.write(EclipsePreferences.java:323) at org.eclipse.core.internal.preferences.EclipsePreferences.save(EclipsePreferences.java:1135) at org.eclipse.core.internal.preferences.EclipsePreferences.save(EclipsePreferences.java:1111) at org.eclipse.core.internal.preferences.EclipsePreferences.internalFlush(EclipsePreferences.java:471) at org.eclipse.core.internal.preferences.EclipsePreferences.flush(EclipsePreferences.java:429) at org.eclipse.core.internal.preferences.EclipsePreferences.internalFlush(EclipsePreferences.java:455) at org.eclipse.core.internal.preferences.EclipsePreferences.flush(EclipsePreferences.java:429) at org.eclipse.core.internal.preferences.RootPreferences.flush(RootPreferences.java:39) at org.eclipse.core.internal.preferences.PreferencesService.applyPreferences(PreferencesService.java:203) ... 17 more 2019-05-11 07:10:39,428 WARN [SettingsManager.java:74]: Did not attach debug property logger 2019-05-11 07:10:39,429 INFO [UltimateCore.java:76]: Initializing controller ... 2019-05-11 07:10:39,624 INFO [PersistenceAwareModelManager.java:56]: Repository-Root is: /tmp 2019-05-11 07:10:39,950 INFO [ToolchainManager.java:402]: [Toolchain 1]: Parser CDTParser is usable for /export/starexec/sandbox/benchmark/theBenchmark.c 2019-05-11 07:10:39,953 INFO [ToolchainManager.java:214]: [Toolchain 1]: Parser(s) successfully initiated... 2019-05-11 07:10:39,953 INFO [PluginFactory.java:178]: -------------------------------------------------------------------------------- 2019-05-11 07:10:39,953 INFO [PluginFactory.java:179]: Loading all admissible plugins (creating one instance, loading preferences) 2019-05-11 07:10:40,010 INFO [PluginFactory.java:196]: Finished loading 20 admissible plugins (all were admissible) 2019-05-11 07:10:40,010 INFO [PluginFactory.java:198]: -------------------------------------------------------------------------------- 2019-05-11 07:10:40,013 INFO [ToolchainManager.java:187]: [Toolchain 1]: Toolchain data selected. 2019-05-11 07:10:40,014 INFO [PluginConnector.java:252]: Initializing CDTParser... 2019-05-11 07:10:40,014 INFO [PluginConnector.java:257]: CDTParser initialized 2019-05-11 07:10:40,015 INFO [ToolchainManager.java:355]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 2019-05-11 07:10:40,135 INFO [ToolchainManager.java:238]: ####################### [Toolchain 1] ####################### 2019-05-11 07:10:40,137 INFO [ToolchainWalker.java:61]: Walking toolchain with 6 elements. 2019-05-11 07:10:40,137 INFO [PluginConnector.java:90]: ------------------------CACSL2BoogieTranslator---------------------------- 2019-05-11 07:10:40,137 INFO [PluginConnector.java:252]: Initializing CACSL2BoogieTranslator... 2019-05-11 07:10:40,141 INFO [PluginConnector.java:257]: CACSL2BoogieTranslator initialized 2019-05-11 07:10:40,142 INFO [PluginConnector.java:162]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.05 07:10:40" (1/1) ... 2019-05-11 07:10:40,246 INFO [PluginConnector.java:110]: ------------------------ END CACSL2BoogieTranslator---------------------------- 2019-05-11 07:10:40,247 INFO [PluginConnector.java:90]: ------------------------Boogie Preprocessor---------------------------- 2019-05-11 07:10:40,247 INFO [PluginConnector.java:252]: Initializing Boogie Preprocessor... 2019-05-11 07:10:40,247 INFO [PluginConnector.java:257]: Boogie Preprocessor initialized 2019-05-11 07:10:40,263 INFO [PluginConnector.java:162]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:10:40" (1/1) ... 2019-05-11 07:10:40,267 INFO [PluginConnector.java:162]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:10:40" (1/1) ... 2019-05-11 07:10:40,267 INFO [PluginConnector.java:162]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:10:40" (1/1) ... 2019-05-11 07:10:40,269 INFO [PluginConnector.java:162]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:10:40" (1/1) ... 2019-05-11 07:10:40,270 INFO [PluginConnector.java:162]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:10:40" (1/1) ... 2019-05-11 07:10:40,271 INFO [PluginConnector.java:162]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:10:40" (1/1) ... 2019-05-11 07:10:40,272 INFO [PluginConnector.java:110]: ------------------------ END Boogie Preprocessor---------------------------- 2019-05-11 07:10:40,272 INFO [PluginConnector.java:90]: ------------------------RCFGBuilder---------------------------- 2019-05-11 07:10:40,272 INFO [PluginConnector.java:252]: Initializing RCFGBuilder... 2019-05-11 07:10:40,273 INFO [PluginConnector.java:257]: RCFGBuilder initialized 2019-05-11 07:10:40,274 INFO [PluginConnector.java:162]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:10:40" (1/1) ... 2019-05-11 07:10:40,371 INFO [MonitoredProcess.java:173]: Starting monitored process 1 with ./../z3/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 2019-05-11 07:10:40,373 INFO [MonitoredProcess.java:275]: Waiting until toolchain timeout for monitored process 1 with ./../z3/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 2019-05-11 07:10:40,471 INFO [PluginConnector.java:110]: ------------------------ END RCFGBuilder---------------------------- 2019-05-11 07:10:40,471 INFO [PluginConnector.java:90]: ------------------------BlockEncoding---------------------------- 2019-05-11 07:10:40,472 INFO [PluginConnector.java:252]: Initializing BlockEncoding... 2019-05-11 07:10:40,473 INFO [PluginConnector.java:257]: BlockEncoding initialized 2019-05-11 07:10:40,473 INFO [PluginConnector.java:162]: Executing the observer BlockEncodingObserver from plugin BlockEncoding for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.05 07:10:40" (1/1) ... 2019-05-11 07:10:40,485 INFO [PluginConnector.java:162]: Executing the observer MinModelConversionObserver from plugin BlockEncoding for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.05 07:10:40" (1/1) ... 2019-05-11 07:10:40,510 WARN [TransFormula.java:607]: CodeBlock already infeasible 2019-05-11 07:10:40,511 WARN [TransFormula.java:607]: CodeBlock already infeasible 2019-05-11 07:10:40,512 INFO [PluginConnector.java:110]: ------------------------ END BlockEncoding---------------------------- 2019-05-11 07:10:40,512 INFO [PluginConnector.java:90]: ------------------------TraceAbstraction---------------------------- 2019-05-11 07:10:40,513 INFO [PluginConnector.java:252]: Initializing TraceAbstraction... 2019-05-11 07:10:40,514 INFO [PluginConnector.java:257]: TraceAbstraction initialized 2019-05-11 07:10:40,514 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.blockencoding CFG 11.05 07:10:40" (1/5) ... 2019-05-11 07:10:40,515 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:10:40" (2/5) ... 2019-05-11 07:10:40,515 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.05 07:10:40" (3/5) ... 2019-05-11 07:10:40,516 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "BlockEncodedModel CFG 11.05 07:10:40" (4/5) ... 2019-05-11 07:10:40,516 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.05 07:10:40" (5/5) ... Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 2019-05-11 07:10:40,603 INFO [PluginConnector.java:110]: ------------------------ END TraceAbstraction---------------------------- 2019-05-11 07:10:40,603 INFO [PluginConnector.java:90]: ------------------------BuchiAutomizer---------------------------- 2019-05-11 07:10:40,603 INFO [PluginConnector.java:252]: Initializing BuchiAutomizer... 2019-05-11 07:10:40,604 INFO [PluginConnector.java:257]: BuchiAutomizer initialized 2019-05-11 07:10:40,606 INFO [PluginConnector.java:162]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.05 07:10:40" (1/1) ... 2019-05-11 07:10:41,148 INFO [PluginConnector.java:110]: ------------------------ END BuchiAutomizer---------------------------- 2019-05-11 07:10:41,149 INFO [Benchmark.java:150]: Toolchain (without parser) took 1013.43 ms. Allocated memory is still 649.6 MB. Free memory was 607.1 MB in the beginning and 533.8 MB in the end (delta: 73.3 MB). Peak memory consumption was 73.3 MB. Max. memory is 53.1 GB 2019-05-11 07:10:41,151 INFO [Benchmark.java:150]: CDTParser took 109.66 ms. Allocated memory is still 649.6 MB. Free memory was 612.5 MB in the beginning and 607.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 53.1 GB 2019-05-11 07:10:41,152 INFO [Benchmark.java:150]: CACSL2BoogieTranslator took 109.12 ms. Allocated memory is still 649.6 MB. Free memory was 607.1 MB in the beginning and 599.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 53.1 GB 2019-05-11 07:10:41,153 INFO [Benchmark.java:150]: Boogie Preprocessor took 25.50 ms. Allocated memory is still 649.6 MB. Free memory was 599.1 MB in the beginning and 597.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 53.1 GB 2019-05-11 07:10:41,154 INFO [Benchmark.java:150]: RCFGBuilder took 199.07 ms. Allocated memory is still 649.6 MB. Free memory was 597.7 MB in the beginning and 586.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 53.1 GB 2019-05-11 07:10:41,155 INFO [Benchmark.java:150]: BlockEncoding took 40.70 ms. Allocated memory is still 649.6 MB. Free memory was 586.6 MB in the beginning and 583.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 53.1 GB 2019-05-11 07:10:41,155 INFO [Benchmark.java:150]: TraceAbstraction took 90.55 ms. Allocated memory is still 649.6 MB. Free memory was 583.9 MB in the beginning and 578.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 53.1 GB 2019-05-11 07:10:41,156 INFO [Benchmark.java:150]: BuchiAutomizer took 545.31 ms. Allocated memory is still 649.6 MB. Free memory was 578.5 MB in the beginning and 533.8 MB in the end (delta: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 53.1 GB 2019-05-11 07:10:41,163 INFO [ResultNotifier.java:119]: RESULT: Ultimate could not prove your program: Toolchain returned no Result. RESULT: Ultimate could not prove your program: Toolchain returned no Result. 2019-05-11 07:10:41,163 INFO [ToolchainManager.java:286]: ####################### End [Toolchain 1] ####################### 2019-05-11 07:10:41,163 INFO [BasicToolchainJob.java:73]: --- Results --- 2019-05-11 07:10:41,164 INFO [BasicToolchainJob.java:75]: * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 2019-05-11 07:10:41,164 INFO [BasicToolchainJob.java:89]: - AllSpecificationsHoldResult: All specifications hold 2019-05-11 07:10:41,164 INFO [BasicToolchainJob.java:95]: We were not able to verify any specifiation because the program does not contain any specification. 2019-05-11 07:10:41,164 INFO [BasicToolchainJob.java:89]: - ProcedureContractResult [Line: 22]: Procedure Contract for main 2019-05-11 07:10:41,164 INFO [BasicToolchainJob.java:95]: Derived contract for procedure main: 1 2019-05-11 07:10:41,165 INFO [BasicToolchainJob.java:89]: - InvariantResult [Line: 26]: Loop Invariant 2019-05-11 07:10:41,165 INFO [BasicToolchainJob.java:95]: Derived loop invariant: 1 2019-05-11 07:10:41,165 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Ultimate Automizer benchmark data 2019-05-11 07:10:41,165 INFO [BasicToolchainJob.java:95]: CFG has 10 locations, 0 error locations. Automizer needed 0.0s and 0 iterations. Automata difference (including EdgeChecker) took 0.0s. Computation of Hoare annotation took 0.0s. Minimization removed 0 states and took 0.0s. Biggest automaton had 10 states and ocurred in iteration 0. InterpolantCoveringCapability: 0/0 ICC %: NaN EdgeCheckerBenchmarkData: No data available TraceCheckerBenchmark: No data available InterpolantConsolidationBenchmark: No data available 2019-05-11 07:10:41,166 INFO [BasicToolchainJob.java:75]: * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: 2019-05-11 07:10:41,166 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Constructed decomposition of program 2019-05-11 07:10:41,166 INFO [BasicToolchainJob.java:95]: Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x + 0 and consists of 5 locations. 2019-05-11 07:10:41,166 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Constructed termination proof in form of nested word automata 2019-05-11 07:10:41,166 INFO [BasicToolchainJob.java:95]: Your program was decomposed into the following automata NestedWordAutomaton buchiAutomatonIteration1 = ( callAlphabet = {"call #t~ret2 := main();" "call ULTIMATE.init();" }, internalAlphabet = {"assume true;assume !!(~x~2 > 0 && ~y~2 < 0);~x~2 := ~x~2 + ~y~2;~y~2 := ~y~2 - 1;" "assume true;assume !(~x~2 > 0 && ~y~2 < 0);" "#res := 0;assume true;" "assume true;" "assume true;" "assume !true;" "havoc ~x~2;havoc ~y~2;~x~2 := #t~nondet0;havoc #t~nondet0;~y~2 := #t~nondet1;havoc #t~nondet1;" }, returnAlphabet = {"return;" "return;" }, states = {"48#(<= main_~x~2 oldRank0)" "38#unseeded" "23#false" "41#(and unseeded (or (and |old(unseeded)| unseeded) (and (not unseeded) (not |old(unseeded)|))))" "47#(and (<= 0 oldRank0) (<= (+ main_~x~2 1) oldRank0))" }, initialStates = {"38#unseeded" }, finalStates = {"23#false" "47#(and (<= 0 oldRank0) (<= (+ main_~x~2 1) oldRank0))" }, callTransitions = { ("38#unseeded" "call #t~ret2 := main();" "41#(and unseeded (or (and |old(unseeded)| unseeded) (and (not unseeded) (not |old(unseeded)|))))") ("38#unseeded" "call ULTIMATE.init();" "41#(and unseeded (or (and |old(unseeded)| unseeded) (and (not unseeded) (not |old(unseeded)|))))") }, internalTransitions = { ("48#(<= main_~x~2 oldRank0)" "#res := 0;assume true;" "48#(<= main_~x~2 oldRank0)") ("23#false" "#res := 0;assume true;" "23#false") ("23#false" "assume true;" "23#false") ("41#(and unseeded (or (and |old(unseeded)| unseeded) (and (not unseeded) (not |old(unseeded)|))))" "assume true;" "41#(and unseeded (or (and |old(unseeded)| unseeded) (and (not unseeded) (not |old(unseeded)|))))") ("41#(and unseeded (or (and |old(unseeded)| unseeded) (and (not unseeded) (not |old(unseeded)|))))" "havoc ~x~2;havoc ~y~2;~x~2 := #t~nondet0;havoc #t~nondet0;~y~2 := #t~nondet1;havoc #t~nondet1;" "47#(and (<= 0 oldRank0) (<= (+ main_~x~2 1) oldRank0))") ("47#(and (<= 0 oldRank0) (<= (+ main_~x~2 1) oldRank0))" "assume true;assume !!(~x~2 > 0 && ~y~2 < 0);~x~2 := ~x~2 + ~y~2;~y~2 := ~y~2 - 1;" "47#(and (<= 0 oldRank0) (<= (+ main_~x~2 1) oldRank0))") ("47#(and (<= 0 oldRank0) (<= (+ main_~x~2 1) oldRank0))" "assume true;assume !(~x~2 > 0 && ~y~2 < 0);" "48#(<= main_~x~2 oldRank0)") ("47#(and (<= 0 oldRank0) (<= (+ main_~x~2 1) oldRank0))" "assume !true;" "23#false") }, returnTransitions = { ("23#false" "38#unseeded" "return;" "23#false") ("41#(and unseeded (or (and |old(unseeded)| unseeded) (and (not unseeded) (not |old(unseeded)|))))" "38#unseeded" "return;" "38#unseeded") } ); 2019-05-11 07:10:41,166 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Timing statistics 2019-05-11 07:10:41,167 INFO [BasicToolchainJob.java:95]: BüchiAutomizer plugin needed 0.5s and 2 iterations. Analysis of lassos took 0.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization removed 0 states and took 0.0s. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 EdgeCheckerBenchmarkData: HoareTripleChecks: 0 SDtfs, 0 SDslu, 0 SDs, 0 lazy, 14 Sat,12 Unsat,0 Unknown,0 NotChecked. HoareTripleCheck time: 0.0s LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Termination: inital18 mio100 ax100 hnf111 lsp100 arr100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf106 neg100 sie100 Nontermination: inital18 mio100 ax100 hnf111 lsp100 arr100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf106 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 35ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 2019-05-11 07:10:41,167 INFO [BasicToolchainJob.java:89]: - TerminationAnalysisResult: Termination proven 2019-05-11 07:10:41,167 INFO [BasicToolchainJob.java:95]: Buchi Automizer proved that your program is terminating 2019-05-11 07:10:41,168 INFO [BasicToolchainJob.java:75]: * Results from UltimateCore: 2019-05-11 07:10:41,168 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Toolchain Benchmarks 2019-05-11 07:10:41,174 INFO [BasicToolchainJob.java:95]: Benchmark results are: * CDTParser took 109.66 ms. Allocated memory is still 649.6 MB. Free memory was 612.5 MB in the beginning and 607.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 53.1 GB * CACSL2BoogieTranslator took 109.12 ms. Allocated memory is still 649.6 MB. Free memory was 607.1 MB in the beginning and 599.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 53.1 GB * Boogie Preprocessor took 25.50 ms. Allocated memory is still 649.6 MB. Free memory was 599.1 MB in the beginning and 597.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 53.1 GB * RCFGBuilder took 199.07 ms. Allocated memory is still 649.6 MB. Free memory was 597.7 MB in the beginning and 586.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 53.1 GB * BlockEncoding took 40.70 ms. Allocated memory is still 649.6 MB. Free memory was 586.6 MB in the beginning and 583.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 53.1 GB * TraceAbstraction took 90.55 ms. Allocated memory is still 649.6 MB. Free memory was 583.9 MB in the beginning and 578.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 53.1 GB * BuchiAutomizer took 545.31 ms. Allocated memory is still 649.6 MB. Free memory was 578.5 MB in the beginning and 533.8 MB in the end (delta: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 53.1 GB 2019-05-11 07:10:41,199 INFO [UltimateCore.java:84]: Preparing to exit Ultimate with return code 0 Closed successfully