./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt --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 3d8c21a369ecda610832d6476fe3c0899cbeabfe .......................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:38:09,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:38:09,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:38:09,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:38:09,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:38:09,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:38:09,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:38:09,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:38:09,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:38:09,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:38:09,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:38:09,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:38:09,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:38:09,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:38:09,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:38:09,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:38:09,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:38:09,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:38:09,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:38:09,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:38:09,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:38:09,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:38:09,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:38:09,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:38:09,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:38:09,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:38:09,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:38:09,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:38:09,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:38:09,286 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:38:09,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:38:09,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:38:09,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:38:09,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:38:09,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:38:09,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:38:09,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:38:09,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:38:09,295 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:38:09,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:38:09,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:38:09,298 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 00:38:09,345 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:38:09,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:38:09,346 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:38:09,346 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:38:09,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:38:09,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:38:09,348 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:38:09,349 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:38:09,349 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:38:09,349 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:38:09,350 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:38:09,351 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:38:09,351 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:38:09,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:38:09,351 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:38:09,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:38:09,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:38:09,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:38:09,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:38:09,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:38:09,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:38:09,353 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:38:09,353 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:38:09,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:38:09,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:38:09,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:38:09,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:38:09,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:38:09,357 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:38:09,358 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:38:09,358 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_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d8c21a369ecda610832d6476fe3c0899cbeabfe [2021-10-13 00:38:09,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:38:09,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:38:09,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:38:09,669 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:38:09,670 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:38:09,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c [2021-10-13 00:38:09,725 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/data/2aced797b/7ced85bf32c5447283bc70999d8644a2/FLAGcbb60622e [2021-10-13 00:38:10,166 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:38:10,167 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c [2021-10-13 00:38:10,184 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/data/2aced797b/7ced85bf32c5447283bc70999d8644a2/FLAGcbb60622e [2021-10-13 00:38:10,567 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/data/2aced797b/7ced85bf32c5447283bc70999d8644a2 [2021-10-13 00:38:10,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:38:10,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:38:10,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:38:10,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:38:10,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:38:10,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:38:10" (1/1) ... [2021-10-13 00:38:10,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58876f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:10, skipping insertion in model container [2021-10-13 00:38:10,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:38:10" (1/1) ... [2021-10-13 00:38:10,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:38:10,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:38:10,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:38:10,746 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:38:10,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:38:10,792 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:38:10,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:10 WrapperNode [2021-10-13 00:38:10,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:38:10,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:38:10,795 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:38:10,795 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:38:10,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:10" (1/1) ... [2021-10-13 00:38:10,815 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:10" (1/1) ... [2021-10-13 00:38:10,840 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:38:10,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:38:10,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:38:10,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:38:10,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:10" (1/1) ... [2021-10-13 00:38:10,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:10" (1/1) ... [2021-10-13 00:38:10,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:10" (1/1) ... [2021-10-13 00:38:10,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:10" (1/1) ... [2021-10-13 00:38:10,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:10" (1/1) ... [2021-10-13 00:38:10,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:10" (1/1) ... [2021-10-13 00:38:10,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:10" (1/1) ... [2021-10-13 00:38:10,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:38:10,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:38:10,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:38:10,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:38:10,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:10" (1/1) ... [2021-10-13 00:38:10,892 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:38:10,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:38:10,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:38:10,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:38:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:38:11,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:38:11,165 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:38:11,165 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-13 00:38:11,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:38:11 BoogieIcfgContainer [2021-10-13 00:38:11,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:38:11,168 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:38:11,169 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:38:11,173 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:38:11,174 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:38:11,174 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:38:10" (1/3) ... [2021-10-13 00:38:11,176 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21f43b6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:38:11, skipping insertion in model container [2021-10-13 00:38:11,176 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:38:11,176 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:10" (2/3) ... [2021-10-13 00:38:11,177 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21f43b6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:38:11, skipping insertion in model container [2021-10-13 00:38:11,177 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:38:11,177 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:38:11" (3/3) ... [2021-10-13 00:38:11,179 INFO L389 chiAutomizerObserver]: Analyzing ICFG ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c [2021-10-13 00:38:11,232 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:38:11,232 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:38:11,232 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:38:11,232 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:38:11,232 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:38:11,232 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:38:11,232 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:38:11,233 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:38:11,248 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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) [2021-10-13 00:38:11,267 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:38:11,268 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:38:11,268 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:38:11,273 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 00:38:11,274 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:38:11,274 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:38:11,274 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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) [2021-10-13 00:38:11,276 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:38:11,276 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:38:11,276 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:38:11,276 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 00:38:11,276 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:38:11,284 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~a~0, main_~x~0, main_~max~0;havoc main_~a~0;havoc main_~x~0;havoc main_~max~0;main_~a~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~x~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~max~0 := main_#t~nondet2;havoc main_#t~nondet2; 4#L18true assume main_~max~0 > 0;main_~a~0 := 0;main_~x~0 := 1; 9#L21-2true [2021-10-13 00:38:11,285 INFO L793 eck$LassoCheckResult]: Loop: 9#L21-2true assume !!(main_~x~0 <= main_~max~0); 5#L22true assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~a~0 := 1 + main_~a~0; 10#L22-2true main_~x~0 := 1 + main_~x~0; 9#L21-2true [2021-10-13 00:38:11,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:38:11,292 INFO L82 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2021-10-13 00:38:11,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:38:11,303 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573275335] [2021-10-13 00:38:11,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:38:11,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:38:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:38:11,380 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:38:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:38:11,402 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:38:11,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:38:11,405 INFO L82 PathProgramCache]: Analyzing trace with hash 42800, now seen corresponding path program 1 times [2021-10-13 00:38:11,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:38:11,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227760949] [2021-10-13 00:38:11,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:38:11,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:38:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:38:11,418 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:38:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:38:11,425 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:38:11,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:38:11,427 INFO L82 PathProgramCache]: Analyzing trace with hash 29684845, now seen corresponding path program 1 times [2021-10-13 00:38:11,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:38:11,427 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746781388] [2021-10-13 00:38:11,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:38:11,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:38:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:38:11,437 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:38:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:38:11,449 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:38:11,527 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:38:11,528 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:38:11,528 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:38:11,528 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:38:11,529 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:38:11,529 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:38:11,529 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:38:11,529 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:38:11,529 INFO L133 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c_Iteration1_Loop [2021-10-13 00:38:11,530 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:38:11,530 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:38:11,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:11,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:11,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:11,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:11,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:11,723 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:38:11,724 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:38:11,726 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:38:11,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:38:11,745 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:38:11,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:38:11,751 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:38:11,751 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:38:11,780 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:38:11,780 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: [] [2021-10-13 00:38:11,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:38:11,823 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:38:11,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:38:11,824 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:38:11,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:38:11,833 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:38:11,834 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:38:11,856 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:38:11,856 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: [] [2021-10-13 00:38:11,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:38:11,893 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:38:11,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:38:11,894 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:38:11,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:38:11,906 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:38:11,906 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:38:11,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:38:11,971 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:38:11,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:38:11,972 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:38:11,986 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:38:11,986 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:38:11,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:38:12,168 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:38:12,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:38:12,171 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:38:12,171 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:38:12,171 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:38:12,171 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:38:12,172 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:38:12,172 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:38:12,172 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:38:12,172 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:38:12,172 INFO L133 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c_Iteration1_Loop [2021-10-13 00:38:12,172 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:38:12,172 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:38:12,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:12,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:12,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:12,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:12,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:12,268 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:38:12,273 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:38:12,274 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:38:12,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:38:12,276 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:38:12,286 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 [2021-10-13 00:38:12,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:38:12,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:38:12,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:38:12,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:38:12,303 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:38:12,303 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:38:12,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:38:12,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:38:12,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:38:12,365 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:38:12,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:38:12,366 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:38:12,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:38:12,377 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 [2021-10-13 00:38:12,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:38:12,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:38:12,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:38:12,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:38:12,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:38:12,392 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:38:12,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:38:12,409 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:38:12,442 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 00:38:12,443 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 00:38:12,444 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:38:12,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:38:12,449 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:38:12,465 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:38:12,466 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:38:12,466 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:38:12,466 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~max~0) = -2*ULTIMATE.start_main_~x~0 + 2*ULTIMATE.start_main_~max~0 + 1 Supporting invariants [] [2021-10-13 00:38:12,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:38:12,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:38:12,493 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:38:12,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:38:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:38:12,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:38:12,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:38:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:38:12,565 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:38:12,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:38:12,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:38:12,654 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 00:38:12,656 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-10-13 00:38:12,696 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 24 states and 30 transitions. Complement of second has 7 states. [2021-10-13 00:38:12,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 00:38:12,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-10-13 00:38:12,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2021-10-13 00:38:12,700 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 3 letters. [2021-10-13 00:38:12,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:38:12,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 3 letters. [2021-10-13 00:38:12,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:38:12,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 6 letters. [2021-10-13 00:38:12,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:38:12,702 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2021-10-13 00:38:12,704 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:38:12,707 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2021-10-13 00:38:12,708 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:38:12,708 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:38:12,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:38:12,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:38:12,709 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:38:12,709 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:38:12,709 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:38:12,709 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:38:12,709 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:38:12,709 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:38:12,709 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:38:12,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:38:12 BoogieIcfgContainer [2021-10-13 00:38:12,715 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:38:12,716 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:38:12,716 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:38:12,716 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:38:12,717 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:38:11" (3/4) ... [2021-10-13 00:38:12,720 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:38:12,720 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:38:12,722 INFO L168 Benchmark]: Toolchain (without parser) took 2148.03 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 52.7 MB in the beginning and 64.3 MB in the end (delta: -11.6 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:38:12,723 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 88.1 MB. Free memory is still 69.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:38:12,723 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.99 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 52.5 MB in the beginning and 87.4 MB in the end (delta: -34.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:38:12,724 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.34 ms. Allocated memory is still 109.1 MB. Free memory was 87.2 MB in the beginning and 85.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:38:12,725 INFO L168 Benchmark]: Boogie Preprocessor took 36.33 ms. Allocated memory is still 109.1 MB. Free memory was 85.9 MB in the beginning and 85.2 MB in the end (delta: 775.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:38:12,725 INFO L168 Benchmark]: RCFGBuilder took 287.33 ms. Allocated memory is still 109.1 MB. Free memory was 85.2 MB in the beginning and 77.5 MB in the end (delta: 7.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:38:12,726 INFO L168 Benchmark]: BuchiAutomizer took 1546.84 ms. Allocated memory is still 109.1 MB. Free memory was 77.3 MB in the beginning and 64.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:38:12,727 INFO L168 Benchmark]: Witness Printer took 4.22 ms. Allocated memory is still 109.1 MB. Free memory was 64.7 MB in the beginning and 64.3 MB in the end (delta: 389.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:38:12,731 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 88.1 MB. Free memory is still 69.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 218.99 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 52.5 MB in the beginning and 87.4 MB in the end (delta: -34.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.34 ms. Allocated memory is still 109.1 MB. Free memory was 87.2 MB in the beginning and 85.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.33 ms. Allocated memory is still 109.1 MB. Free memory was 85.9 MB in the beginning and 85.2 MB in the end (delta: 775.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 287.33 ms. Allocated memory is still 109.1 MB. Free memory was 85.2 MB in the beginning and 77.5 MB in the end (delta: 7.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1546.84 ms. Allocated memory is still 109.1 MB. Free memory was 77.3 MB in the beginning and 64.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.22 ms. Allocated memory is still 109.1 MB. Free memory was 64.7 MB in the beginning and 64.3 MB in the end (delta: 389.6 kB). Peak memory consumption was 2.1 MB. 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 2 * max + -2 * x + 1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. 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: 11 SDtfs, 11 SDslu, 8 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax163 hnf100 lsp32 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 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: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 00:38:12,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:38:12,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d70fc7b0-f7cc-4080-a091-cae96f5a4bfd/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...