./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 e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1f4fd7-eaf3-4fbf-94f1-fd6aec70dbe5/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1f4fd7-eaf3-4fbf-94f1-fd6aec70dbe5/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1f4fd7-eaf3-4fbf-94f1-fd6aec70dbe5/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1f4fd7-eaf3-4fbf-94f1-fd6aec70dbe5/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1f4fd7-eaf3-4fbf-94f1-fd6aec70dbe5/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1f4fd7-eaf3-4fbf-94f1-fd6aec70dbe5/bin/uautomizer-tPACEb0tL8 --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:21:27,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:21:27,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:21:27,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:21:27,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:21:27,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:21:27,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:21:27,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:21:27,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:21:27,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:21:27,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:21:27,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:21:27,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:21:27,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:21:27,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:21:27,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:21:27,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:21:27,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:21:27,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:21:27,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:21:27,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:21:27,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:21:27,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:21:27,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:21:27,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:21:27,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:21:27,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:21:27,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:21:27,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:21:27,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:21:27,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:21:27,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:21:27,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:21:27,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:21:27,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:21:27,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:21:27,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:21:27,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:21:27,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:21:27,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:21:27,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:21:27,326 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1f4fd7-eaf3-4fbf-94f1-fd6aec70dbe5/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 11:21:27,354 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:21:27,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:21:27,355 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:21:27,355 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:21:27,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:21:27,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:21:27,357 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:21:27,357 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:21:27,357 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:21:27,357 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:21:27,358 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:21:27,358 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:21:27,358 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:21:27,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:21:27,359 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:21:27,359 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:21:27,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:21:27,360 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:21:27,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:21:27,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:21:27,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:21:27,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:21:27,361 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:21:27,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:21:27,361 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:21:27,362 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:21:27,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:21:27,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:21:27,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:21:27,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:21:27,364 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:21:27,365 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:21:27,365 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_2b1f4fd7-eaf3-4fbf-94f1-fd6aec70dbe5/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1f4fd7-eaf3-4fbf-94f1-fd6aec70dbe5/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66615d945375ceea5b4ada22b003e1a8e291ec4d3a0b5c3c04d345b3412d5b92 [2022-11-16 11:21:27,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:21:27,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:21:27,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:21:27,695 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:21:27,696 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:21:27,697 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1f4fd7-eaf3-4fbf-94f1-fd6aec70dbe5/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.4.c [2022-11-16 11:21:27,774 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1f4fd7-eaf3-4fbf-94f1-fd6aec70dbe5/bin/uautomizer-tPACEb0tL8/data/17b50f355/689da137ded74b48899e5c5cc2916638/FLAGe334e62c5 [2022-11-16 11:21:28,938 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:21:28,940 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1f4fd7-eaf3-4fbf-94f1-fd6aec70dbe5/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.4.c [2022-11-16 11:21:29,006 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1f4fd7-eaf3-4fbf-94f1-fd6aec70dbe5/bin/uautomizer-tPACEb0tL8/data/17b50f355/689da137ded74b48899e5c5cc2916638/FLAGe334e62c5 [2022-11-16 11:21:29,178 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1f4fd7-eaf3-4fbf-94f1-fd6aec70dbe5/bin/uautomizer-tPACEb0tL8/data/17b50f355/689da137ded74b48899e5c5cc2916638 [2022-11-16 11:21:29,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:21:29,182 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:21:29,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:21:29,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:21:29,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:21:29,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:21:29" (1/1) ... [2022-11-16 11:21:29,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@500522b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:29, skipping insertion in model container [2022-11-16 11:21:29,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:21:29" (1/1) ... [2022-11-16 11:21:29,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:21:29,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:21:29,895 WARN L229 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_2b1f4fd7-eaf3-4fbf-94f1-fd6aec70dbe5/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.4.c[2309,2322] [2022-11-16 11:21:31,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:21:31,853 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:21:31,881 WARN L229 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_2b1f4fd7-eaf3-4fbf-94f1-fd6aec70dbe5/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.4.c[2309,2322] [2022-11-16 11:21:33,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:21:33,569 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:21:33,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:33 WrapperNode [2022-11-16 11:21:33,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:21:33,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:21:33,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:21:33,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:21:33,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:33" (1/1) ... [2022-11-16 11:21:34,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:33" (1/1) ... [2022-11-16 11:22:02,753 INFO L138 Inliner]: procedures = 101, calls = 18605, calls flagged for inlining = 440, calls inlined = 16162, statements flattened = 1743809 [2022-11-16 11:22:02,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:22:02,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:22:02,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:22:02,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:22:02,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:33" (1/1) ... [2022-11-16 11:22:02,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:33" (1/1) ... [2022-11-16 11:22:12,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:33" (1/1) ... [2022-11-16 11:22:12,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:33" (1/1) ...