./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 Calling Ultimate with: /usr/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/rekcba_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.graphml --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 66615d945375ceea5b4ada22b003e1a8e291ec4d3a0b5c3c04d345b3412d5b92 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-19 20:12:36,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 20:12:36,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 20:12:36,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 20:12:36,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 20:12:36,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 20:12:36,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 20:12:36,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 20:12:36,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 20:12:36,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 20:12:36,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 20:12:36,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 20:12:36,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 20:12:36,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 20:12:36,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 20:12:36,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 20:12:36,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 20:12:36,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 20:12:36,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 20:12:37,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 20:12:37,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 20:12:37,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 20:12:37,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 20:12:37,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 20:12:37,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 20:12:37,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 20:12:37,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 20:12:37,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 20:12:37,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 20:12:37,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 20:12:37,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 20:12:37,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 20:12:37,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 20:12:37,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 20:12:37,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 20:12:37,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 20:12:37,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 20:12:37,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 20:12:37,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 20:12:37,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 20:12:37,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 20:12:37,019 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-19 20:12:37,051 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 20:12:37,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 20:12:37,052 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 20:12:37,052 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 20:12:37,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 20:12:37,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 20:12:37,054 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 20:12:37,054 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-19 20:12:37,054 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-19 20:12:37,054 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-19 20:12:37,055 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-19 20:12:37,055 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-19 20:12:37,055 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-19 20:12:37,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 20:12:37,055 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-19 20:12:37,055 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 20:12:37,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 20:12:37,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-19 20:12:37,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 20:12:37,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-19 20:12:37,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-19 20:12:37,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-19 20:12:37,056 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-19 20:12:37,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-19 20:12:37,057 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-19 20:12:37,058 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 20:12:37,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-19 20:12:37,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 20:12:37,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 20:12:37,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 20:12:37,058 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 20:12:37,058 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 20:12:37,059 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-19 20:12:37,059 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66615d945375ceea5b4ada22b003e1a8e291ec4d3a0b5c3c04d345b3412d5b92 [2021-12-19 20:12:37,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 20:12:37,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 20:12:37,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 20:12:37,257 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 20:12:37,257 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 20:12:37,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.4.c [2021-12-19 20:12:37,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/771a353fc/7bbe12ffd24d475d8986fae95063249e/FLAG2bac653ba [2021-12-19 20:12:38,006 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 20:12:38,006 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.4.c [2021-12-19 20:12:38,065 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/771a353fc/7bbe12ffd24d475d8986fae95063249e/FLAG2bac653ba [2021-12-19 20:12:38,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/771a353fc/7bbe12ffd24d475d8986fae95063249e [2021-12-19 20:12:38,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 20:12:38,338 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 20:12:38,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 20:12:38,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 20:12:38,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 20:12:38,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 08:12:38" (1/1) ... [2021-12-19 20:12:38,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41507ac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:12:38, skipping insertion in model container [2021-12-19 20:12:38,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 08:12:38" (1/1) ... [2021-12-19 20:12:38,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 20:12:38,501 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 20:12:38,737 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.4.c[2309,2322] [2021-12-19 20:12:40,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 20:12:40,047 INFO L203 MainTranslator]: Completed pre-run [2021-12-19 20:12:40,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.4.c[2309,2322] [2021-12-19 20:12:40,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 20:12:40,913 INFO L208 MainTranslator]: Completed translation [2021-12-19 20:12:40,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:12:40 WrapperNode [2021-12-19 20:12:40,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 20:12:40,914 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-19 20:12:40,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-19 20:12:40,915 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-19 20:12:40,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:12:40" (1/1) ... [2021-12-19 20:12:41,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:12:40" (1/1) ... [2021-12-19 20:12:59,230 INFO L137 Inliner]: procedures = 101, calls = 18605, calls flagged for inlining = 440, calls inlined = 16162, statements flattened = 1743809 [2021-12-19 20:12:59,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-19 20:12:59,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-19 20:12:59,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-19 20:12:59,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-19 20:12:59,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:12:40" (1/1) ... [2021-12-19 20:12:59,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:12:40" (1/1) ... [2021-12-19 20:13:05,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:12:40" (1/1) ... [2021-12-19 20:13:05,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:12:40" (1/1) ... [2021-12-19 20:13:15,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:12:40" (1/1) ...