YES 2019-05-11 07:11:52,979 INFO [UltimateCore.java:185]: Initializing application 2019-05-11 07:11:52,982 INFO [UltimateCore.java:202]: -------------------------------------------------------------------------------- 2019-05-11 07:11:52,985 INFO [PluginFactory.java:62]: -------------------------------------------------------------------------------- 2019-05-11 07:11:52,986 INFO [PluginFactory.java:63]: Detecting plugins... 2019-05-11 07:11:52,986 INFO [PluginFactory.java:287]: 1 IController plugins available 2019-05-11 07:11:52,987 INFO [PluginFactory.java:287]: 4 ISource plugins available 2019-05-11 07:11:52,987 INFO [PluginFactory.java:287]: 1 IOutput plugins available 2019-05-11 07:11:52,987 INFO [PluginFactory.java:287]: 10 IGenerator plugins available 2019-05-11 07:11:52,988 INFO [PluginFactory.java:287]: 5 IAnalysis plugins available 2019-05-11 07:11:52,990 INFO [PluginFactory.java:241]: Loaded controller UltimateCore 2019-05-11 07:11:52,990 INFO [PluginFactory.java:70]: Finished detecting plugins! 2019-05-11 07:11:52,991 INFO [PluginFactory.java:71]: Loading services ... 2019-05-11 07:11:52,991 INFO [PluginFactory.java:272]: 0 IServiceFactory services available 2019-05-11 07:11:52,991 INFO [PluginFactory.java:73]: Finished loading services! 2019-05-11 07:11:52,991 INFO [PluginFactory.java:74]: -------------------------------------------------------------------------------- 2019-05-11 07:11:52,992 INFO [SettingsManager.java:46]: Loading settings from ./../termcomp2015.epf !SESSION 2019-05-11 07:11:51.699 ----------------------------------------------- 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 07:11:53.271 !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.traceabstraction.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.traceabstraction.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 07:11:53,444 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.traceabstraction.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 07:11:53,446 WARN [SettingsManager.java:74]: Did not attach debug property logger 2019-05-11 07:11:53,446 INFO [UltimateCore.java:76]: Initializing controller ... 2019-05-11 07:11:53,646 INFO [PersistenceAwareModelManager.java:56]: Repository-Root is: /tmp 2019-05-11 07:11:54,003 INFO [ToolchainManager.java:402]: [Toolchain 1]: Parser CDTParser is usable for /export/starexec/sandbox/benchmark/theBenchmark.c 2019-05-11 07:11:54,004 INFO [ToolchainManager.java:214]: [Toolchain 1]: Parser(s) successfully initiated... 2019-05-11 07:11:54,005 INFO [PluginFactory.java:178]: -------------------------------------------------------------------------------- 2019-05-11 07:11:54,005 INFO [PluginFactory.java:179]: Loading all admissible plugins (creating one instance, loading preferences) 2019-05-11 07:11:54,077 INFO [PluginFactory.java:196]: Finished loading 20 admissible plugins (all were admissible) 2019-05-11 07:11:54,077 INFO [PluginFactory.java:198]: -------------------------------------------------------------------------------- 2019-05-11 07:11:54,079 INFO [ToolchainManager.java:187]: [Toolchain 1]: Toolchain data selected. 2019-05-11 07:11:54,081 INFO [PluginConnector.java:252]: Initializing CDTParser... 2019-05-11 07:11:54,081 INFO [PluginConnector.java:257]: CDTParser initialized 2019-05-11 07:11:54,081 INFO [ToolchainManager.java:355]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 2019-05-11 07:11:54,208 INFO [ToolchainManager.java:238]: ####################### [Toolchain 1] ####################### 2019-05-11 07:11:54,209 INFO [ToolchainWalker.java:61]: Walking toolchain with 6 elements. 2019-05-11 07:11:54,210 INFO [PluginConnector.java:90]: ------------------------CACSL2BoogieTranslator---------------------------- 2019-05-11 07:11:54,210 INFO [PluginConnector.java:252]: Initializing CACSL2BoogieTranslator... 2019-05-11 07:11:54,213 INFO [PluginConnector.java:257]: CACSL2BoogieTranslator initialized 2019-05-11 07:11:54,214 INFO [PluginConnector.java:162]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.05 07:11:54" (1/1) ... 2019-05-11 07:11:54,319 INFO [PluginConnector.java:110]: ------------------------ END CACSL2BoogieTranslator---------------------------- 2019-05-11 07:11:54,320 INFO [PluginConnector.java:90]: ------------------------Boogie Preprocessor---------------------------- 2019-05-11 07:11:54,320 INFO [PluginConnector.java:252]: Initializing Boogie Preprocessor... 2019-05-11 07:11:54,320 INFO [PluginConnector.java:257]: Boogie Preprocessor initialized 2019-05-11 07:11:54,335 INFO [PluginConnector.java:162]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:11:54" (1/1) ... 2019-05-11 07:11:54,339 INFO [PluginConnector.java:162]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:11:54" (1/1) ... 2019-05-11 07:11:54,340 INFO [PluginConnector.java:162]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:11:54" (1/1) ... 2019-05-11 07:11:54,341 INFO [PluginConnector.java:162]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:11:54" (1/1) ... 2019-05-11 07:11:54,342 INFO [PluginConnector.java:162]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:11:54" (1/1) ... 2019-05-11 07:11:54,343 INFO [PluginConnector.java:162]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:11:54" (1/1) ... 2019-05-11 07:11:54,344 INFO [PluginConnector.java:110]: ------------------------ END Boogie Preprocessor---------------------------- 2019-05-11 07:11:54,344 INFO [PluginConnector.java:90]: ------------------------RCFGBuilder---------------------------- 2019-05-11 07:11:54,344 INFO [PluginConnector.java:252]: Initializing RCFGBuilder... 2019-05-11 07:11:54,344 INFO [PluginConnector.java:257]: RCFGBuilder initialized 2019-05-11 07:11:54,346 INFO [PluginConnector.java:162]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:11:54" (1/1) ... 2019-05-11 07:11:54,438 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 07:11:54,440 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 07:11:54,532 INFO [PluginConnector.java:110]: ------------------------ END RCFGBuilder---------------------------- 2019-05-11 07:11:54,533 INFO [PluginConnector.java:90]: ------------------------BlockEncoding---------------------------- 2019-05-11 07:11:54,533 INFO [PluginConnector.java:252]: Initializing BlockEncoding... 2019-05-11 07:11:54,534 INFO [PluginConnector.java:257]: BlockEncoding initialized 2019-05-11 07:11:54,534 INFO [PluginConnector.java:162]: Executing the observer BlockEncodingObserver from plugin BlockEncoding for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.05 07:11:54" (1/1) ... 2019-05-11 07:11:54,546 INFO [PluginConnector.java:162]: Executing the observer MinModelConversionObserver from plugin BlockEncoding for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.05 07:11:54" (1/1) ... 2019-05-11 07:11:54,570 WARN [TransFormula.java:607]: CodeBlock already infeasible 2019-05-11 07:11:54,571 WARN [TransFormula.java:607]: CodeBlock already infeasible 2019-05-11 07:11:54,572 INFO [PluginConnector.java:110]: ------------------------ END BlockEncoding---------------------------- 2019-05-11 07:11:54,572 INFO [PluginConnector.java:90]: ------------------------TraceAbstraction---------------------------- 2019-05-11 07:11:54,572 INFO [PluginConnector.java:252]: Initializing TraceAbstraction... 2019-05-11 07:11:54,573 INFO [PluginConnector.java:257]: TraceAbstraction initialized 2019-05-11 07:11:54,573 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "BlockEncodedModel CFG 11.05 07:11:54" (1/5) ... 2019-05-11 07:11:54,574 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.05 07:11:54" (2/5) ... 2019-05-11 07:11:54,574 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.05 07:11:54" (3/5) ... 2019-05-11 07:11:54,575 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.blockencoding CFG 11.05 07:11:54" (4/5) ... 2019-05-11 07:11:54,575 INFO [PluginConnector.java:162]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.05 07:11:54" (5/5) ... Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 2019-05-11 07:11:54,662 INFO [PluginConnector.java:110]: ------------------------ END TraceAbstraction---------------------------- 2019-05-11 07:11:54,662 INFO [PluginConnector.java:90]: ------------------------BuchiAutomizer---------------------------- 2019-05-11 07:11:54,662 INFO [PluginConnector.java:252]: Initializing BuchiAutomizer... 2019-05-11 07:11:54,663 INFO [PluginConnector.java:257]: BuchiAutomizer initialized 2019-05-11 07:11:54,665 INFO [PluginConnector.java:162]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.05 07:11:54" (1/1) ... 2019-05-11 07:11:55,241 INFO [PluginConnector.java:110]: ------------------------ END BuchiAutomizer---------------------------- 2019-05-11 07:11:55,242 INFO [Benchmark.java:150]: Toolchain (without parser) took 1033.68 ms. Allocated memory is still 649.6 MB. Free memory was 602.9 MB in the beginning and 530.9 MB in the end (delta: 71.9 MB). Peak memory consumption was 71.9 MB. Max. memory is 53.1 GB 2019-05-11 07:11:55,244 INFO [Benchmark.java:150]: CDTParser took 114.83 ms. Allocated memory is still 649.6 MB. Free memory was 608.2 MB in the beginning and 602.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 53.1 GB 2019-05-11 07:11:55,245 INFO [Benchmark.java:150]: CACSL2BoogieTranslator took 109.53 ms. Allocated memory is still 649.6 MB. Free memory was 602.9 MB in the beginning and 594.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 53.1 GB 2019-05-11 07:11:55,246 INFO [Benchmark.java:150]: Boogie Preprocessor took 24.51 ms. Allocated memory is still 649.6 MB. Free memory was 594.7 MB in the beginning and 593.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 53.1 GB 2019-05-11 07:11:55,247 INFO [Benchmark.java:150]: RCFGBuilder took 188.33 ms. Allocated memory is still 649.6 MB. Free memory was 593.4 MB in the beginning and 582.3 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 53.1 GB 2019-05-11 07:11:55,247 INFO [Benchmark.java:150]: BlockEncoding took 38.94 ms. Allocated memory is still 649.6 MB. Free memory was 582.3 MB in the beginning and 579.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 53.1 GB 2019-05-11 07:11:55,248 INFO [Benchmark.java:150]: TraceAbstraction took 90.27 ms. Allocated memory is still 649.6 MB. Free memory was 579.6 MB in the beginning and 572.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 53.1 GB 2019-05-11 07:11:55,249 INFO [Benchmark.java:150]: BuchiAutomizer took 578.85 ms. Allocated memory is still 649.6 MB. Free memory was 572.9 MB in the beginning and 530.9 MB in the end (delta: 42.0 MB). Peak memory consumption was 42.0 MB. Max. memory is 53.1 GB 2019-05-11 07:11:55,256 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 07:11:55,256 INFO [ToolchainManager.java:286]: ####################### End [Toolchain 1] ####################### 2019-05-11 07:11:55,256 INFO [BasicToolchainJob.java:73]: --- Results --- 2019-05-11 07:11:55,257 INFO [BasicToolchainJob.java:75]: * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 2019-05-11 07:11:55,257 INFO [BasicToolchainJob.java:89]: - AllSpecificationsHoldResult: All specifications hold 2019-05-11 07:11:55,257 INFO [BasicToolchainJob.java:95]: We were not able to verify any specifiation because the program does not contain any specification. 2019-05-11 07:11:55,257 INFO [BasicToolchainJob.java:89]: - ProcedureContractResult [Line: 5]: Procedure Contract for main 2019-05-11 07:11:55,257 INFO [BasicToolchainJob.java:95]: Derived contract for procedure main: 1 2019-05-11 07:11:55,257 INFO [BasicToolchainJob.java:89]: - InvariantResult [Line: 10]: Loop Invariant 2019-05-11 07:11:55,258 INFO [BasicToolchainJob.java:95]: Derived loop invariant: 1 2019-05-11 07:11:55,258 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Ultimate Automizer benchmark data 2019-05-11 07:11:55,258 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 07:11:55,258 INFO [BasicToolchainJob.java:75]: * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: 2019-05-11 07:11:55,258 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Constructed decomposition of program 2019-05-11 07:11:55,258 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 bound + -1 * i + 0 and consists of 5 locations. 2019-05-11 07:11:55,258 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Constructed termination proof in form of nested word automata 2019-05-11 07:11:55,259 INFO [BasicToolchainJob.java:95]: Your program was decomposed into the following automata NestedWordAutomaton buchiAutomatonIteration1 = ( callAlphabet = {"call #t~ret1 := main();" "call ULTIMATE.init();" }, internalAlphabet = {"assume true;assume !!(~i~2 < ~bound~2);~sum~2 := ~sum~2 + ~i~2;~i~2 := ~i~2 + 1;" "assume true;assume !(~i~2 < ~bound~2);" "#res := 0;assume true;" "assume true;" "assume true;" "assume !true;" "havoc ~i~2;havoc ~sum~2;havoc ~bound~2;~bound~2 := #t~nondet0;havoc #t~nondet0;~i~2 := 0;~sum~2 := 0;" }, returnAlphabet = {"return;" "return;" }, states = {"48#(<= main_~bound~2 (+ main_~i~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_~bound~2 1) (+ main_~i~2 oldRank0)))" }, initialStates = {"38#unseeded" }, finalStates = {"23#false" "47#(and (<= 0 oldRank0) (<= (+ main_~bound~2 1) (+ main_~i~2 oldRank0)))" }, callTransitions = { ("38#unseeded" "call #t~ret1 := 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_~bound~2 (+ main_~i~2 oldRank0))" "#res := 0;assume true;" "48#(<= main_~bound~2 (+ main_~i~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 ~i~2;havoc ~sum~2;havoc ~bound~2;~bound~2 := #t~nondet0;havoc #t~nondet0;~i~2 := 0;~sum~2 := 0;" "47#(and (<= 0 oldRank0) (<= (+ main_~bound~2 1) (+ main_~i~2 oldRank0)))") ("47#(and (<= 0 oldRank0) (<= (+ main_~bound~2 1) (+ main_~i~2 oldRank0)))" "assume true;assume !!(~i~2 < ~bound~2);~sum~2 := ~sum~2 + ~i~2;~i~2 := ~i~2 + 1;" "47#(and (<= 0 oldRank0) (<= (+ main_~bound~2 1) (+ main_~i~2 oldRank0)))") ("47#(and (<= 0 oldRank0) (<= (+ main_~bound~2 1) (+ main_~i~2 oldRank0)))" "assume true;assume !(~i~2 < ~bound~2);" "48#(<= main_~bound~2 (+ main_~i~2 oldRank0))") ("47#(and (<= 0 oldRank0) (<= (+ main_~bound~2 1) (+ main_~i~2 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 07:11:55,259 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Timing statistics 2019-05-11 07:11:55,259 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 0.2s. 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: inital15 mio100 ax100 hnf113 lsp100 arr100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf93 smp100 dnf100 smp100 tf107 neg100 sie100 Nontermination: inital15 mio100 ax100 hnf113 lsp100 arr100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf93 smp100 dnf100 smp100 tf107 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 35ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 2019-05-11 07:11:55,260 INFO [BasicToolchainJob.java:89]: - TerminationAnalysisResult: Termination proven 2019-05-11 07:11:55,260 INFO [BasicToolchainJob.java:95]: Buchi Automizer proved that your program is terminating 2019-05-11 07:11:55,260 INFO [BasicToolchainJob.java:75]: * Results from UltimateCore: 2019-05-11 07:11:55,260 INFO [BasicToolchainJob.java:89]: - BenchmarkResult: Toolchain Benchmarks 2019-05-11 07:11:55,267 INFO [BasicToolchainJob.java:95]: Benchmark results are: * CDTParser took 114.83 ms. Allocated memory is still 649.6 MB. Free memory was 608.2 MB in the beginning and 602.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 53.1 GB * CACSL2BoogieTranslator took 109.53 ms. Allocated memory is still 649.6 MB. Free memory was 602.9 MB in the beginning and 594.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 53.1 GB * Boogie Preprocessor took 24.51 ms. Allocated memory is still 649.6 MB. Free memory was 594.7 MB in the beginning and 593.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 53.1 GB * RCFGBuilder took 188.33 ms. Allocated memory is still 649.6 MB. Free memory was 593.4 MB in the beginning and 582.3 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 53.1 GB * BlockEncoding took 38.94 ms. Allocated memory is still 649.6 MB. Free memory was 582.3 MB in the beginning and 579.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 53.1 GB * TraceAbstraction took 90.27 ms. Allocated memory is still 649.6 MB. Free memory was 579.6 MB in the beginning and 572.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 53.1 GB * BuchiAutomizer took 578.85 ms. Allocated memory is still 649.6 MB. Free memory was 572.9 MB in the beginning and 530.9 MB in the end (delta: 42.0 MB). Peak memory consumption was 42.0 MB. Max. memory is 53.1 GB 2019-05-11 07:11:55,292 INFO [UltimateCore.java:84]: Preparing to exit Ultimate with return code 0 Closed successfully