./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af76d8b-3261-4f2c-9f29-a68ebb29082d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af76d8b-3261-4f2c-9f29-a68ebb29082d/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af76d8b-3261-4f2c-9f29-a68ebb29082d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af76d8b-3261-4f2c-9f29-a68ebb29082d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af76d8b-3261-4f2c-9f29-a68ebb29082d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af76d8b-3261-4f2c-9f29-a68ebb29082d/bin/uautomizer-verify-aQ6SnzHsRB --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 0.3.0-dev-d790fec [2024-11-28 04:02:59,538 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:02:59,653 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af76d8b-3261-4f2c-9f29-a68ebb29082d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 04:02:59,664 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:02:59,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:02:59,712 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:02:59,713 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:02:59,714 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:02:59,714 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:02:59,714 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:02:59,715 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:02:59,715 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:02:59,715 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:02:59,715 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 04:02:59,716 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 04:02:59,716 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 04:02:59,716 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 04:02:59,716 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 04:02:59,716 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 04:02:59,717 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:02:59,717 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 04:02:59,717 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:02:59,717 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:02:59,717 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:02:59,717 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:02:59,717 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 04:02:59,718 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 04:02:59,718 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 04:02:59,718 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:02:59,718 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:02:59,718 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:02:59,719 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 04:02:59,719 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:02:59,719 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:02:59,719 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:02:59,719 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:02:59,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:02:59,720 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 04:02:59,720 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 04:02:59,720 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_2af76d8b-3261-4f2c-9f29-a68ebb29082d/bin/uautomizer-verify-aQ6SnzHsRB 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 [2024-11-28 04:03:00,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:03:00,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:03:00,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:03:00,100 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:03:00,101 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:03:00,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af76d8b-3261-4f2c-9f29-a68ebb29082d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c [2024-11-28 04:03:03,641 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af76d8b-3261-4f2c-9f29-a68ebb29082d/bin/uautomizer-verify-aQ6SnzHsRB/data/2c038069d/9255593e0b3b4a63ad2e8e42d660b73b/FLAGcb9bb00f3 [2024-11-28 04:03:04,326 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:03:04,326 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af76d8b-3261-4f2c-9f29-a68ebb29082d/sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c [2024-11-28 04:03:04,371 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af76d8b-3261-4f2c-9f29-a68ebb29082d/bin/uautomizer-verify-aQ6SnzHsRB/data/2c038069d/9255593e0b3b4a63ad2e8e42d660b73b/FLAGcb9bb00f3 [2024-11-28 04:03:04,399 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af76d8b-3261-4f2c-9f29-a68ebb29082d/bin/uautomizer-verify-aQ6SnzHsRB/data/2c038069d/9255593e0b3b4a63ad2e8e42d660b73b [2024-11-28 04:03:04,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:03:04,407 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:03:04,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:03:04,412 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:03:04,418 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:03:04,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:03:04" (1/1) ... [2024-11-28 04:03:04,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77c9ee7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:04, skipping insertion in model container [2024-11-28 04:03:04,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:03:04" (1/1) ... [2024-11-28 04:03:04,520 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:03:05,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:03:05,650 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:03:05,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/ctm.ok4.i","-S") [42] [2024-11-28 04:03:06,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:03:06,192 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:03:06,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:06 WrapperNode [2024-11-28 04:03:06,193 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:03:06,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:03:06,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:03:06,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:03:06,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:06" (1/1) ... [2024-11-28 04:03:06,316 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:06" (1/1) ... [2024-11-28 04:03:31,460 INFO L138 Inliner]: procedures = 99, calls = 2907, calls flagged for inlining = 348, calls inlined = 16237, statements flattened = 820958 [2024-11-28 04:03:31,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:03:31,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:03:31,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:03:31,464 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:03:31,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:06" (1/1) ... [2024-11-28 04:03:31,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:06" (1/1) ... [2024-11-28 04:03:38,124 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:06" (1/1) ... [2024-11-28 04:03:42,149 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]. [2024-11-28 04:03:42,149 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:06" (1/1) ... [2024-11-28 04:03:42,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:06" (1/1) ... [2024-11-28 04:03:53,268 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:06" (1/1) ... [2024-11-28 04:03:53,789 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:06" (1/1) ...