./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 e7bb482b 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_70972c5d-12f1-492a-a753-0198e365cc8b/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70972c5d-12f1-492a-a753-0198e365cc8b/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70972c5d-12f1-492a-a753-0198e365cc8b/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70972c5d-12f1-492a-a753-0198e365cc8b/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70972c5d-12f1-492a-a753-0198e365cc8b/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70972c5d-12f1-492a-a753-0198e365cc8b/bin/uautomizer-verify-WvqO1wxjHP --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 436e6e57c04bd43264564f478c3aa92ec3799e6c36d71ae9bac6692f2873338f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:35:59,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:35:59,769 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70972c5d-12f1-492a-a753-0198e365cc8b/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-06 22:35:59,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:35:59,780 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:35:59,832 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:35:59,833 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:35:59,834 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:35:59,836 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:35:59,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:35:59,844 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:35:59,844 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:35:59,845 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:35:59,847 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:35:59,848 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:35:59,848 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:35:59,849 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:35:59,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:35:59,850 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:35:59,851 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:35:59,852 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:35:59,852 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:35:59,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:35:59,854 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:35:59,854 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:35:59,855 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:35:59,856 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:35:59,856 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:35:59,857 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:35:59,857 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:35:59,859 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:35:59,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:35:59,860 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:35:59,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:35:59,861 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:35:59,862 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:35:59,862 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_70972c5d-12f1-492a-a753-0198e365cc8b/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70972c5d-12f1-492a-a753-0198e365cc8b/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 436e6e57c04bd43264564f478c3aa92ec3799e6c36d71ae9bac6692f2873338f [2023-11-06 22:36:00,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:36:00,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:36:00,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:36:00,296 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:36:00,297 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:36:00,298 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70972c5d-12f1-492a-a753-0198e365cc8b/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c [2023-11-06 22:36:03,719 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:36:04,203 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:36:04,204 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70972c5d-12f1-492a-a753-0198e365cc8b/sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c [2023-11-06 22:36:04,237 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70972c5d-12f1-492a-a753-0198e365cc8b/bin/uautomizer-verify-WvqO1wxjHP/data/d68563d55/2559d1a490b749a5a2c0ce84d6fe2b60/FLAGee492ca7b [2023-11-06 22:36:04,259 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70972c5d-12f1-492a-a753-0198e365cc8b/bin/uautomizer-verify-WvqO1wxjHP/data/d68563d55/2559d1a490b749a5a2c0ce84d6fe2b60 [2023-11-06 22:36:04,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:36:04,278 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:36:04,284 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:36:04,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:36:04,292 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:36:04,293 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:36:04" (1/1) ... [2023-11-06 22:36:04,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b5decd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:04, skipping insertion in model container [2023-11-06 22:36:04,295 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:36:04" (1/1) ... [2023-11-06 22:36:04,438 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:36:05,601 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:36:05,643 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:36:05,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/ctm.ok4.i","-S") [42] [2023-11-06 22:36:05,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:36:05,992 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:36:05,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:05 WrapperNode [2023-11-06 22:36:05,993 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:36:05,994 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:36:05,994 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:36:05,994 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:36:06,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:05" (1/1) ... [2023-11-06 22:36:06,147 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:05" (1/1) ... [2023-11-06 22:36:34,972 INFO L138 Inliner]: procedures = 99, calls = 2907, calls flagged for inlining = 348, calls inlined = 16237, statements flattened = 797462 [2023-11-06 22:36:34,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:36:34,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:36:34,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:36:34,974 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:36:34,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:05" (1/1) ... [2023-11-06 22:36:34,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:05" (1/1) ... [2023-11-06 22:36:45,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:05" (1/1) ... [2023-11-06 22:36:45,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:05" (1/1) ... [2023-11-06 22:36:59,500 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:05" (1/1) ... [2023-11-06 22:37:04,138 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:05" (1/1) ... [2023-11-06 22:37:05,224 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:05" (1/1) ... [2023-11-06 22:37:06,022 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:05" (1/1) ... [2023-11-06 22:37:14,137 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:37:14,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:37:14,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:37:14,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:37:14,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:05" (1/1) ... [2023-11-06 22:37:14,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:37:14,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70972c5d-12f1-492a-a753-0198e365cc8b/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:37:14,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70972c5d-12f1-492a-a753-0198e365cc8b/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:37:14,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70972c5d-12f1-492a-a753-0198e365cc8b/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:37:14,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:37:14,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:37:14,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:37:14,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:37:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:37:14,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:37:15,010 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:37:15,012 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation