./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 436e6e57c04bd43264564f478c3aa92ec3799e6c36d71ae9bac6692f2873338f --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 16:18:50,910 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 16:18:50,983 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-09 16:18:50,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 16:18:50,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 16:18:51,021 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 16:18:51,023 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 16:18:51,024 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 16:18:51,025 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 16:18:51,028 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 16:18:51,029 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 16:18:51,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 16:18:51,029 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 16:18:51,030 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-09 16:18:51,030 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-09 16:18:51,030 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-09 16:18:51,031 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-09 16:18:51,031 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-09 16:18:51,033 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-09 16:18:51,033 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 16:18:51,033 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-09 16:18:51,034 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 16:18:51,034 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 16:18:51,035 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 16:18:51,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 16:18:51,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-09 16:18:51,036 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-09 16:18:51,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-09 16:18:51,036 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 16:18:51,037 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 16:18:51,037 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 16:18:51,038 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 16:18:51,038 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-09 16:18:51,039 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 16:18:51,039 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 16:18:51,039 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 16:18:51,039 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 16:18:51,040 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 16:18:51,040 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-09 16:18:51,040 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 436e6e57c04bd43264564f478c3aa92ec3799e6c36d71ae9bac6692f2873338f [2024-11-09 16:18:51,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 16:18:51,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 16:18:51,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 16:18:51,339 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 16:18:51,339 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 16:18:51,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c [2024-11-09 16:18:52,793 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 16:18:53,155 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 16:18:53,155 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c [2024-11-09 16:18:53,186 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c373ad9c8/a926727e2b3c4df7a2ad62661f4236bd/FLAGe8d74ba2b [2024-11-09 16:18:53,374 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c373ad9c8/a926727e2b3c4df7a2ad62661f4236bd [2024-11-09 16:18:53,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 16:18:53,377 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 16:18:53,379 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 16:18:53,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 16:18:53,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 16:18:53,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:18:53" (1/1) ... [2024-11-09 16:18:53,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54623b28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:18:53, skipping insertion in model container [2024-11-09 16:18:53,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:18:53" (1/1) ... [2024-11-09 16:18:53,464 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 16:18:54,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 16:18:54,375 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 16:18:54,386 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/ctm.ok4.i","-S") [42] [2024-11-09 16:18:54,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 16:18:54,636 INFO L204 MainTranslator]: Completed translation [2024-11-09 16:18:54,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:18:54 WrapperNode [2024-11-09 16:18:54,636 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 16:18:54,637 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 16:18:54,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 16:18:54,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 16:18:54,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:18:54" (1/1) ... [2024-11-09 16:18:54,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:18:54" (1/1) ... [2024-11-09 16:19:18,369 INFO L138 Inliner]: procedures = 99, calls = 2907, calls flagged for inlining = 348, calls inlined = 16237, statements flattened = 820958 [2024-11-09 16:19:18,370 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 16:19:18,370 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 16:19:18,371 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 16:19:18,371 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 16:19:18,379 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:18:54" (1/1) ... [2024-11-09 16:19:18,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:18:54" (1/1) ... [2024-11-09 16:19:27,601 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:18:54" (1/1) ... [2024-11-09 16:19:30,614 INFO L175 MemorySlicer]: Split 92244 memory accesses to 49 slices as follows [2, 37647, 37695, 247, 247, 454, 319, 726, 319, 558, 319, 726, 319, 558, 319, 726, 319, 542, 319, 366, 319, 350, 319, 350, 319, 326, 319, 318, 319, 334, 319, 358, 319, 318, 319, 414, 319, 350, 319, 358, 319, 302, 319, 318, 319, 318, 319, 318, 319]. 41 percent of accesses are in the largest equivalence class. The 338 initializations are split as follows [2, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7]. The 4000 writes are split as follows [0, 56, 56, 56, 56, 168, 48, 304, 48, 120, 48, 304, 48, 120, 48, 304, 48, 120, 48, 88, 48, 80, 48, 88, 48, 72, 48, 72, 48, 96, 48, 104, 48, 64, 48, 144, 48, 96, 48, 96, 48, 64, 48, 72, 48, 72, 48, 72, 48]. [2024-11-09 16:19:30,615 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:18:54" (1/1) ... [2024-11-09 16:19:30,615 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:18:54" (1/1) ... [2024-11-09 16:19:42,316 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:18:54" (1/1) ... [2024-11-09 16:19:45,507 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:18:54" (1/1) ... [2024-11-09 16:19:46,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:18:54" (1/1) ... [2024-11-09 16:19:46,959 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:18:54" (1/1) ...