./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1701366-4c71-4acf-9af4-82ff5f9e298e/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1701366-4c71-4acf-9af4-82ff5f9e298e/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1701366-4c71-4acf-9af4-82ff5f9e298e/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1701366-4c71-4acf-9af4-82ff5f9e298e/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1701366-4c71-4acf-9af4-82ff5f9e298e/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1701366-4c71-4acf-9af4-82ff5f9e298e/bin/uautomizer-verify-4GaUIPS5ZU --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 c3ec7c03a28dc415c6db5fadbfd8dcd491b1a493cd1bf88ef12d02131cd13437 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:08:19,654 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:08:19,771 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1701366-4c71-4acf-9af4-82ff5f9e298e/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-31 22:08:19,778 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:08:19,780 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:08:19,821 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:08:19,822 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:08:19,822 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:08:19,825 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:08:19,826 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:08:19,827 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:08:19,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:08:19,829 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:08:19,829 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:08:19,831 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:08:19,831 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:08:19,832 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:08:19,833 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:08:19,837 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:08:19,837 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:08:19,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:08:19,838 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:08:19,839 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:08:19,839 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:08:19,840 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:08:19,840 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:08:19,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:08:19,841 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:08:19,841 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:08:19,857 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:08:19,858 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:08:19,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:08:19,858 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:08:19,858 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:08:19,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:08:19,860 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:08:19,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:08:19,861 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:08:19,862 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:08:19,862 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1701366-4c71-4acf-9af4-82ff5f9e298e/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1701366-4c71-4acf-9af4-82ff5f9e298e/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3ec7c03a28dc415c6db5fadbfd8dcd491b1a493cd1bf88ef12d02131cd13437 [2024-10-31 22:08:20,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:08:20,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:08:20,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:08:20,305 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:08:20,305 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:08:20,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1701366-4c71-4acf-9af4-82ff5f9e298e/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c Unable to find full path for "g++" [2024-10-31 22:08:22,409 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:08:22,856 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:08:22,857 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1701366-4c71-4acf-9af4-82ff5f9e298e/sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c [2024-10-31 22:08:22,890 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1701366-4c71-4acf-9af4-82ff5f9e298e/bin/uautomizer-verify-4GaUIPS5ZU/data/aa8dc0ed2/8d06ebadecfe4900af4f95d1e0dc47d7/FLAGf8deac971 [2024-10-31 22:08:22,987 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1701366-4c71-4acf-9af4-82ff5f9e298e/bin/uautomizer-verify-4GaUIPS5ZU/data/aa8dc0ed2/8d06ebadecfe4900af4f95d1e0dc47d7 [2024-10-31 22:08:22,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:08:22,995 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:08:23,007 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:23,007 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:08:23,013 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:08:23,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:22" (1/1) ... [2024-10-31 22:08:23,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62f62b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:23, skipping insertion in model container [2024-10-31 22:08:23,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:22" (1/1) ... [2024-10-31 22:08:23,128 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:08:24,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:24,235 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:08:24,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/ctm.ok1.i","-S") [42] [2024-10-31 22:08:24,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:24,581 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:08:24,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:24 WrapperNode [2024-10-31 22:08:24,582 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:24,583 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:24,583 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:08:24,584 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:08:24,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:24" (1/1) ... [2024-10-31 22:08:24,678 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:24" (1/1) ... [2024-10-31 22:08:38,131 INFO L138 Inliner]: procedures = 99, calls = 2728, calls flagged for inlining = 345, calls inlined = 8161, statements flattened = 412686 [2024-10-31 22:08:38,132 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:38,133 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:08:38,133 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:08:38,134 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:08:38,143 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:24" (1/1) ... [2024-10-31 22:08:38,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:24" (1/1) ... [2024-10-31 22:08:42,284 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:24" (1/1) ... [2024-10-31 22:08:44,287 INFO L175 MemorySlicer]: Split 46480 memory accesses to 49 slices as follows [2, 18923, 18947, 127, 127, 230, 163, 366, 163, 282, 163, 366, 163, 282, 163, 366, 163, 282, 163, 186, 163, 178, 163, 178, 163, 166, 163, 162, 163, 170, 163, 182, 163, 162, 163, 210, 163, 178, 163, 182, 163, 154, 163, 162, 163, 162, 163, 162, 163]. 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 2000 writes are split as follows [0, 28, 28, 28, 28, 84, 24, 152, 24, 60, 24, 152, 24, 60, 24, 152, 24, 60, 24, 44, 24, 40, 24, 44, 24, 36, 24, 36, 24, 48, 24, 52, 24, 32, 24, 72, 24, 48, 24, 48, 24, 32, 24, 36, 24, 36, 24, 36, 24]. [2024-10-31 22:08:44,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:24" (1/1) ... [2024-10-31 22:08:44,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:24" (1/1) ...