./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.04.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD --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 64bit --witnessprinter.graph.data.programhash 65affd315cd8bea6bfbee2f7260bc7d93c5aef2e3e6cd7e176a59164ccf65361 ................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:47:35,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:47:35,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:47:35,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:47:35,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:47:35,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:47:35,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:47:35,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:47:35,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:47:35,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:47:35,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:47:35,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:47:35,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:47:35,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:47:35,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:47:35,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:47:35,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:47:35,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:47:35,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:47:35,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:47:35,272 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:47:35,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:47:35,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:47:35,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:47:35,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:47:35,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:47:35,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:47:35,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:47:35,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:47:35,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:47:35,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:47:35,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:47:35,290 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:47:35,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:47:35,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:47:35,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:47:35,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:47:35,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:47:35,295 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:47:35,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:47:35,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:47:35,299 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 22:47:35,331 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:47:35,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:47:35,332 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:47:35,332 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:47:35,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:47:35,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:47:35,334 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:47:35,334 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 22:47:35,335 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 22:47:35,335 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 22:47:35,335 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 22:47:35,335 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 22:47:35,336 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 22:47:35,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:47:35,336 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 22:47:35,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:47:35,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:47:35,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 22:47:35,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 22:47:35,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 22:47:35,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:47:35,338 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 22:47:35,338 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:47:35,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 22:47:35,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:47:35,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:47:35,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:47:35,340 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:47:35,340 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:47:35,341 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 22:47:35,342 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_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65affd315cd8bea6bfbee2f7260bc7d93c5aef2e3e6cd7e176a59164ccf65361 [2021-10-28 22:47:35,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:47:35,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:47:35,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:47:35,653 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:47:35,657 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:47:35,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-restricted-15/b.04.c [2021-10-28 22:47:35,730 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/data/641e80af3/1b9702ff96a74c19bf37ebab0eb005df/FLAG72a560fdb [2021-10-28 22:47:36,306 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:47:36,307 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/sv-benchmarks/c/termination-restricted-15/b.04.c [2021-10-28 22:47:36,313 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/data/641e80af3/1b9702ff96a74c19bf37ebab0eb005df/FLAG72a560fdb [2021-10-28 22:47:36,671 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/data/641e80af3/1b9702ff96a74c19bf37ebab0eb005df [2021-10-28 22:47:36,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:47:36,677 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:47:36,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:47:36,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:47:36,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:47:36,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:47:36" (1/1) ... [2021-10-28 22:47:36,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16e2877f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:36, skipping insertion in model container [2021-10-28 22:47:36,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:47:36" (1/1) ... [2021-10-28 22:47:36,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:47:36,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:47:36,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:47:36,914 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:47:36,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:47:36,942 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:47:36,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:36 WrapperNode [2021-10-28 22:47:36,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:47:36,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:47:36,944 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:47:36,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:47:36,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:36" (1/1) ... [2021-10-28 22:47:36,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:36" (1/1) ... [2021-10-28 22:47:36,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:47:36,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:47:36,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:47:36,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:47:36,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:36" (1/1) ... [2021-10-28 22:47:36,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:36" (1/1) ... [2021-10-28 22:47:36,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:36" (1/1) ... [2021-10-28 22:47:36,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:36" (1/1) ... [2021-10-28 22:47:36,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:36" (1/1) ... [2021-10-28 22:47:37,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:36" (1/1) ... [2021-10-28 22:47:37,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:36" (1/1) ... [2021-10-28 22:47:37,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:47:37,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:47:37,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:47:37,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:47:37,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:36" (1/1) ... [2021-10-28 22:47:37,019 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:37,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:37,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:37,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 22:47:37,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:47:37,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:47:37,264 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:47:37,264 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-28 22:47:37,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:47:37 BoogieIcfgContainer [2021-10-28 22:47:37,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:47:37,268 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 22:47:37,268 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 22:47:37,273 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 22:47:37,274 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:47:37,274 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 10:47:36" (1/3) ... [2021-10-28 22:47:37,276 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a397968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:47:37, skipping insertion in model container [2021-10-28 22:47:37,276 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:47:37,276 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:36" (2/3) ... [2021-10-28 22:47:37,277 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a397968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:47:37, skipping insertion in model container [2021-10-28 22:47:37,277 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:47:37,277 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:47:37" (3/3) ... [2021-10-28 22:47:37,279 INFO L389 chiAutomizerObserver]: Analyzing ICFG b.04.c [2021-10-28 22:47:37,341 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 22:47:37,342 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 22:47:37,342 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 22:47:37,342 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 22:47:37,342 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 22:47:37,343 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 22:47:37,343 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 22:47:37,343 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 22:47:37,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:37,381 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 22:47:37,381 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:47:37,382 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:47:37,389 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 22:47:37,389 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 22:47:37,389 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 22:47:37,390 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:37,391 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 22:47:37,391 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:47:37,391 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:47:37,392 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 22:47:37,392 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 22:47:37,400 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~tmp~0;havoc main_~x~0;havoc main_~y~0;havoc main_~tmp~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~tmp~0 := main_#t~nondet2;havoc main_#t~nondet2; 4#L10-2true [2021-10-28 22:47:37,401 INFO L793 eck$LassoCheckResult]: Loop: 4#L10-2true assume !!(main_~x~0 > main_~y~0);main_~tmp~0 := main_~x~0;main_~x~0 := main_~y~0;main_~y~0 := main_~tmp~0; 4#L10-2true [2021-10-28 22:47:37,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:37,409 INFO L85 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-28 22:47:37,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:37,421 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096130488] [2021-10-28 22:47:37,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:37,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:37,509 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:37,535 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:37,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:37,540 INFO L85 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2021-10-28 22:47:37,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:37,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869109511] [2021-10-28 22:47:37,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:37,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:37,555 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:37,562 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:37,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:37,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-10-28 22:47:37,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:37,566 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447177659] [2021-10-28 22:47:37,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:37,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:37,576 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:37,585 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:37,679 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:47:37,679 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:47:37,680 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:47:37,680 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:47:37,680 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 22:47:37,681 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:37,681 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:47:37,681 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:47:37,681 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.04.c_Iteration1_Loop [2021-10-28 22:47:37,682 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:47:37,682 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:47:37,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:37,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:37,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:37,878 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:47:37,879 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 22:47:37,882 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:37,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:37,885 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:37,892 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 22:47:37,892 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 22:47:37,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 22:47:37,938 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 22:47:37,938 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 22:47:37,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:37,981 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:37,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:37,982 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:37,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 22:47:37,985 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 22:47:37,985 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 22:47:38,026 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 22:47:38,026 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 22:47:38,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:38,072 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:38,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:38,075 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:38,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 22:47:38,083 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 22:47:38,084 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 22:47:38,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:38,140 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:38,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:38,155 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:38,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 22:47:38,164 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 22:47:38,164 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 22:47:43,759 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 22:47:43,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:43,772 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:47:43,772 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:47:43,773 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:47:43,773 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:47:43,773 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:47:43,773 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:43,773 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:47:43,773 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:47:43,773 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.04.c_Iteration1_Loop [2021-10-28 22:47:43,773 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:47:43,773 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:47:43,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:43,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:43,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:43,893 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:47:43,898 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:47:43,900 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:43,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:43,901 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:43,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:43,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 22:47:43,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:43,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:43,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:43,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:43,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:43,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:43,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:44,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:44,001 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:44,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:44,007 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:44,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:44,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:44,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:44,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:44,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:44,039 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:44,039 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:44,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 22:47:44,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:44,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:44,100 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:44,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:44,101 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:44,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 22:47:44,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:44,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:44,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:44,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:44,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:44,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:44,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:44,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:44,163 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:47:44,169 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 22:47:44,169 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 22:47:44,170 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:44,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:44,172 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:44,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 22:47:44,174 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:47:44,175 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 22:47:44,175 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:47:44,175 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~x~0 - 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2021-10-28 22:47:44,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:44,207 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 22:47:44,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:44,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 22:47:44,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:47:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:44,276 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 22:47:44,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:47:44,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:47:44,299 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-28 22:47:44,301 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:44,350 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 18 transitions. Complement of second has 5 states. [2021-10-28 22:47:44,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 22:47:44,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:44,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2021-10-28 22:47:44,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 1 letters. [2021-10-28 22:47:44,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:47:44,356 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2021-10-28 22:47:44,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:47:44,357 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2021-10-28 22:47:44,357 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:47:44,358 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2021-10-28 22:47:44,363 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 22:47:44,366 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2021-10-28 22:47:44,367 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 22:47:44,368 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 22:47:44,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 22:47:44,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:47:44,369 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:47:44,369 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:47:44,370 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:47:44,370 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 22:47:44,370 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 22:47:44,370 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 22:47:44,370 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 22:47:44,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 10:47:44 BoogieIcfgContainer [2021-10-28 22:47:44,377 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 22:47:44,378 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:47:44,378 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:47:44,378 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:47:44,379 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:47:37" (3/4) ... [2021-10-28 22:47:44,383 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 22:47:44,383 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:47:44,386 INFO L168 Benchmark]: Toolchain (without parser) took 7706.94 ms. Allocated memory is still 134.2 MB. Free memory was 102.1 MB in the beginning and 101.7 MB in the end (delta: 456.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:47:44,387 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 88.1 MB. Free memory is still 43.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:47:44,388 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.21 ms. Allocated memory is still 134.2 MB. Free memory was 102.1 MB in the beginning and 110.3 MB in the end (delta: -8.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:47:44,392 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.62 ms. Allocated memory is still 134.2 MB. Free memory was 110.3 MB in the beginning and 108.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:47:44,393 INFO L168 Benchmark]: Boogie Preprocessor took 22.95 ms. Allocated memory is still 134.2 MB. Free memory was 108.8 MB in the beginning and 107.8 MB in the end (delta: 998.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:47:44,395 INFO L168 Benchmark]: RCFGBuilder took 259.82 ms. Allocated memory is still 134.2 MB. Free memory was 107.8 MB in the beginning and 100.3 MB in the end (delta: 7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:47:44,403 INFO L168 Benchmark]: BuchiAutomizer took 7109.38 ms. Allocated memory is still 134.2 MB. Free memory was 100.3 MB in the beginning and 101.7 MB in the end (delta: -1.3 MB). Peak memory consumption was 583.7 kB. Max. memory is 16.1 GB. [2021-10-28 22:47:44,403 INFO L168 Benchmark]: Witness Printer took 4.99 ms. Allocated memory is still 134.2 MB. Free memory is still 101.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:47:44,410 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 88.1 MB. Free memory is still 43.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 264.21 ms. Allocated memory is still 134.2 MB. Free memory was 102.1 MB in the beginning and 110.3 MB in the end (delta: -8.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.62 ms. Allocated memory is still 134.2 MB. Free memory was 110.3 MB in the beginning and 108.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.95 ms. Allocated memory is still 134.2 MB. Free memory was 108.8 MB in the beginning and 107.8 MB in the end (delta: 998.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 259.82 ms. Allocated memory is still 134.2 MB. Free memory was 107.8 MB in the beginning and 100.3 MB in the end (delta: 7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 7109.38 ms. Allocated memory is still 134.2 MB. Free memory was 100.3 MB in the beginning and 101.7 MB in the end (delta: -1.3 MB). Peak memory consumption was 583.7 kB. Max. memory is 16.1 GB. * Witness Printer took 4.99 ms. Allocated memory is still 134.2 MB. Free memory is still 101.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x + -1 * y and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 6.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 4 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax185 hnf100 lsp53 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq185 hnf88 smp100 dnf100 smp100 tf108 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 55ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 5.7s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 22:47:44,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:44,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e60402e-608d-4a01-93fa-67b1df553f7b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...