./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 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d055bc-f79b-4426-a555-0382d29f105c/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d055bc-f79b-4426-a555-0382d29f105c/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d055bc-f79b-4426-a555-0382d29f105c/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d055bc-f79b-4426-a555-0382d29f105c/bin/uautomizer-tBqnrhUYjU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d055bc-f79b-4426-a555-0382d29f105c/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d055bc-f79b-4426-a555-0382d29f105c/bin/uautomizer-tBqnrhUYjU --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 0.2.1-dev-9ad7fb2 [2021-11-02 22:27:15,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:27:15,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:27:15,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:27:15,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:27:15,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:27:15,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:27:15,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:27:15,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:27:15,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:27:15,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:27:15,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:27:15,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:27:15,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:27:15,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:27:15,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:27:15,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:27:15,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:27:15,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:27:15,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:27:15,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:27:15,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:27:15,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:27:15,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:27:15,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:27:15,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:27:15,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:27:15,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:27:15,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:27:15,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:27:15,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:27:15,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:27:15,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:27:15,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:27:15,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:27:15,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:27:15,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:27:15,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:27:15,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:27:15,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:27:15,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:27:15,219 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d055bc-f79b-4426-a555-0382d29f105c/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-02 22:27:15,245 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:27:15,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:27:15,246 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:27:15,246 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:27:15,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:27:15,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:27:15,248 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:27:15,248 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-02 22:27:15,249 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-02 22:27:15,249 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-02 22:27:15,250 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-02 22:27:15,250 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-02 22:27:15,250 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-02 22:27:15,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:27:15,251 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:27:15,251 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-02 22:27:15,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:27:15,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:27:15,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:27:15,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-02 22:27:15,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-02 22:27:15,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-02 22:27:15,254 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:27:15,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:27:15,255 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-02 22:27:15,255 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:27:15,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-02 22:27:15,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:27:15,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:27:15,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:27:15,266 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:27:15,266 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:27:15,267 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-02 22:27:15,268 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d055bc-f79b-4426-a555-0382d29f105c/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d055bc-f79b-4426-a555-0382d29f105c/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66615d945375ceea5b4ada22b003e1a8e291ec4d3a0b5c3c04d345b3412d5b92 [2021-11-02 22:27:15,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:27:15,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:27:15,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:27:15,576 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:27:15,578 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:27:15,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d055bc-f79b-4426-a555-0382d29f105c/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.4.c [2021-11-02 22:27:15,651 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d055bc-f79b-4426-a555-0382d29f105c/bin/uautomizer-tBqnrhUYjU/data/c7ffb2f59/e6ddef9ac423451182cc0507bc9783ab/FLAG75240bff9 [2021-11-02 22:27:16,669 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:27:16,669 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d055bc-f79b-4426-a555-0382d29f105c/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.4.c [2021-11-02 22:27:16,722 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d055bc-f79b-4426-a555-0382d29f105c/bin/uautomizer-tBqnrhUYjU/data/c7ffb2f59/e6ddef9ac423451182cc0507bc9783ab/FLAG75240bff9 [2021-11-02 22:27:17,020 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d055bc-f79b-4426-a555-0382d29f105c/bin/uautomizer-tBqnrhUYjU/data/c7ffb2f59/e6ddef9ac423451182cc0507bc9783ab [2021-11-02 22:27:17,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:27:17,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:27:17,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:27:17,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:27:17,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:27:17,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:27:17" (1/1) ... [2021-11-02 22:27:17,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f54745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:27:17, skipping insertion in model container [2021-11-02 22:27:17,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:27:17" (1/1) ... [2021-11-02 22:27:17,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:27:17,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:27:17,716 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d055bc-f79b-4426-a555-0382d29f105c/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.4.c[2309,2322] [2021-11-02 22:27:19,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:27:19,394 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:27:19,408 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d055bc-f79b-4426-a555-0382d29f105c/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.4.c[2309,2322] [2021-11-02 22:27:20,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:27:20,561 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:27:20,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:27:20 WrapperNode [2021-11-02 22:27:20,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:27:20,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:27:20,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:27:20,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:27:20,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:27:20" (1/1) ... [2021-11-02 22:27:21,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:27:20" (1/1) ... [2021-11-02 22:27:51,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:27:51,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:27:51,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:27:51,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:27:51,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:27:20" (1/1) ... [2021-11-02 22:27:51,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:27:20" (1/1) ... [2021-11-02 22:27:59,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:27:20" (1/1) ... [2021-11-02 22:27:59,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:27:20" (1/1) ...