./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/a.07.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/a.07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3 --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 c96eb7fc65102e861bfec23d1cf60dfdfcd93434 ................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:09:59,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:09:59,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:09:59,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:09:59,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:09:59,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:09:59,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:09:59,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:09:59,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:09:59,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:09:59,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:10:00,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:10:00,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:10:00,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:10:00,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:10:00,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:10:00,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:10:00,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:10:00,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:10:00,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:10:00,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:10:00,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:10:00,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:10:00,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:10:00,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:10:00,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:10:00,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:10:00,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:10:00,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:10:00,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:10:00,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:10:00,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:10:00,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:10:00,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:10:00,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:10:00,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:10:00,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:10:00,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:10:00,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:10:00,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:10:00,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:10:00,049 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-15 19:10:00,080 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:10:00,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:10:00,081 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:10:00,081 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:10:00,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:10:00,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:10:00,084 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:10:00,084 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-15 19:10:00,084 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-15 19:10:00,084 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-15 19:10:00,085 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-15 19:10:00,085 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-15 19:10:00,085 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-15 19:10:00,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:10:00,086 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 19:10:00,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:10:00,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:10:00,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-15 19:10:00,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-15 19:10:00,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-15 19:10:00,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:10:00,088 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-15 19:10:00,088 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:10:00,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-15 19:10:00,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:10:00,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:10:00,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:10:00,090 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:10:00,090 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:10:00,092 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-15 19:10:00,092 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_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c96eb7fc65102e861bfec23d1cf60dfdfcd93434 [2021-10-15 19:10:00,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:10:00,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:10:00,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:10:00,486 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:10:00,487 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:10:00,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/termination-restricted-15/a.07.c [2021-10-15 19:10:00,583 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/data/1bcd5cdd9/0810542b52c3480da5dcbb41504cc27b/FLAG24b447506 [2021-10-15 19:10:01,166 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:10:01,168 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/sv-benchmarks/c/termination-restricted-15/a.07.c [2021-10-15 19:10:01,183 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/data/1bcd5cdd9/0810542b52c3480da5dcbb41504cc27b/FLAG24b447506 [2021-10-15 19:10:01,510 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/data/1bcd5cdd9/0810542b52c3480da5dcbb41504cc27b [2021-10-15 19:10:01,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:10:01,516 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:10:01,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:10:01,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:10:01,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:10:01,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:10:01" (1/1) ... [2021-10-15 19:10:01,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4927390c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:01, skipping insertion in model container [2021-10-15 19:10:01,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:10:01" (1/1) ... [2021-10-15 19:10:01,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:10:01,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:10:01,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:10:01,819 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:10:01,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:10:01,890 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:10:01,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:01 WrapperNode [2021-10-15 19:10:01,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:10:01,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:10:01,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:10:01,901 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:10:01,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:01" (1/1) ... [2021-10-15 19:10:01,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:01" (1/1) ... [2021-10-15 19:10:01,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:10:01,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:10:01,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:10:01,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:10:01,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:01" (1/1) ... [2021-10-15 19:10:01,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:01" (1/1) ... [2021-10-15 19:10:01,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:01" (1/1) ... [2021-10-15 19:10:01,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:01" (1/1) ... [2021-10-15 19:10:01,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:01" (1/1) ... [2021-10-15 19:10:01,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:01" (1/1) ... [2021-10-15 19:10:01,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:01" (1/1) ... [2021-10-15 19:10:01,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:10:01,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:10:01,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:10:01,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:10:01,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:01" (1/1) ... [2021-10-15 19:10:01,980 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:01,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:02,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:02,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-15 19:10:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:10:02,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:10:02,286 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:10:02,287 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-15 19:10:02,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:10:02 BoogieIcfgContainer [2021-10-15 19:10:02,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:10:02,293 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-15 19:10:02,294 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-15 19:10:02,298 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-15 19:10:02,299 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:10:02,299 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 07:10:01" (1/3) ... [2021-10-15 19:10:02,301 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7015c126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:10:02, skipping insertion in model container [2021-10-15 19:10:02,301 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:10:02,302 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:01" (2/3) ... [2021-10-15 19:10:02,302 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7015c126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:10:02, skipping insertion in model container [2021-10-15 19:10:02,302 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:10:02,303 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:10:02" (3/3) ... [2021-10-15 19:10:02,304 INFO L389 chiAutomizerObserver]: Analyzing ICFG a.07.c [2021-10-15 19:10:02,381 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-15 19:10:02,381 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-15 19:10:02,381 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-15 19:10:02,381 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-15 19:10:02,382 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-15 19:10:02,382 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-15 19:10:02,382 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-15 19:10:02,382 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-15 19:10:02,399 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) [2021-10-15 19:10:02,425 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-15 19:10:02,425 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:10:02,425 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:10:02,433 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-15 19:10:02,433 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-15 19:10:02,433 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-15 19:10:02,434 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) [2021-10-15 19:10:02,435 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-15 19:10:02,435 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:10:02,435 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:10:02,436 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-15 19:10:02,436 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-15 19:10:02,445 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~c~0, main_~x~0, main_~y~0, main_~z~0;havoc main_~c~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~c~0 := 0; 3#L12-2true [2021-10-15 19:10:02,445 INFO L793 eck$LassoCheckResult]: Loop: 3#L12-2true assume !!(main_~x~0 > main_~y~0 && main_~x~0 > main_~z~0);main_~y~0 := 1 + main_~y~0;main_~z~0 := 1 + main_~z~0; 3#L12-2true [2021-10-15 19:10:02,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:10:02,455 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-15 19:10:02,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:10:02,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377248495] [2021-10-15 19:10:02,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:10:02,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:10:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:10:02,572 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:10:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:10:02,610 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:10:02,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:10:02,616 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2021-10-15 19:10:02,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:10:02,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694184096] [2021-10-15 19:10:02,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:10:02,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:10:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:10:02,650 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:10:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:10:02,671 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:10:02,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:10:02,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-10-15 19:10:02,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:10:02,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226918607] [2021-10-15 19:10:02,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:10:02,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:10:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:10:02,698 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:10:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:10:02,717 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:10:02,880 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:10:02,881 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:10:02,881 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:10:02,881 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:10:02,882 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-15 19:10:02,882 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:02,882 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:10:02,882 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:10:02,883 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.07.c_Iteration1_Loop [2021-10-15 19:10:02,883 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:10:02,883 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:10:02,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:02,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:02,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:03,140 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:10:03,141 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-15 19:10:03,144 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:03,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:03,147 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:03,156 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:10:03,157 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:10:03,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-15 19:10:03,183 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-15 19:10:03,184 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: [] [2021-10-15 19:10:03,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:03,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:03,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:03,216 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:03,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-15 19:10:03,219 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:10:03,219 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:10:03,242 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-15 19:10:03,243 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: [] [2021-10-15 19:10:03,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-15 19:10:03,274 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:03,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:03,281 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:03,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-15 19:10:03,283 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:10:03,283 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:10:03,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:03,327 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:03,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:03,328 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:03,356 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-15 19:10:03,356 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:10:03,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-15 19:10:03,584 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-15 19:10:03,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:03,599 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:10:03,600 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:10:03,600 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:10:03,600 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:10:03,600 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 19:10:03,600 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:03,600 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:10:03,601 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:10:03,601 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.07.c_Iteration1_Loop [2021-10-15 19:10:03,601 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:10:03,601 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:10:03,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:03,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:03,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:03,712 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:10:03,717 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 19:10:03,719 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:03,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:03,727 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:03,731 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 [2021-10-15 19:10:03,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:03,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:03,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:03,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:03,751 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:10:03,752 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:10:03,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-15 19:10:03,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:10:03,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:03,856 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:03,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:03,858 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:03,865 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 [2021-10-15 19:10:03,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:03,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:03,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:03,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:03,886 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:10:03,886 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:10:03,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-15 19:10:03,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:10:03,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-10-15 19:10:03,961 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:03,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:03,963 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:03,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-15 19:10:03,967 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 [2021-10-15 19:10:03,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:03,980 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:10:03,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:03,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:03,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:03,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:10:03,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:10:04,021 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 19:10:04,031 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-15 19:10:04,031 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-15 19:10:04,033 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:04,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:04,034 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:04,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-15 19:10:04,036 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 19:10:04,037 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-15 19:10:04,037 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 19:10:04,038 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~y~0 + 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2021-10-15 19:10:04,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:04,069 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-15 19:10:04,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:10:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:10:04,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 19:10:04,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:10:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:10:04,163 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-15 19:10:04,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:10:04,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:10:04,185 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 [2021-10-15 19:10:04,186 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) [2021-10-15 19:10:04,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-15 19:10:04,274 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. [2021-10-15 19:10:04,275 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 [2021-10-15 19:10:04,277 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) [2021-10-15 19:10:04,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2021-10-15 19:10:04,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 1 letters. [2021-10-15 19:10:04,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:10:04,281 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2021-10-15 19:10:04,281 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:10:04,281 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2021-10-15 19:10:04,282 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:10:04,283 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2021-10-15 19:10:04,285 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 19:10:04,289 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2021-10-15 19:10:04,290 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-15 19:10:04,291 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-15 19:10:04,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-15 19:10:04,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:10:04,292 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:10:04,292 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:10:04,292 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:10:04,293 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-15 19:10:04,293 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-15 19:10:04,293 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 19:10:04,293 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-15 19:10:04,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 07:10:04 BoogieIcfgContainer [2021-10-15 19:10:04,300 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-15 19:10:04,301 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:10:04,301 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:10:04,301 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:10:04,302 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:10:02" (3/4) ... [2021-10-15 19:10:04,305 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 19:10:04,305 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:10:04,307 INFO L168 Benchmark]: Toolchain (without parser) took 2789.97 ms. Allocated memory was 102.8 MB in the beginning and 127.9 MB in the end (delta: 25.2 MB). Free memory was 61.4 MB in the beginning and 100.4 MB in the end (delta: -39.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:10:04,308 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 102.8 MB. Free memory is still 77.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:10:04,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.23 ms. Allocated memory is still 102.8 MB. Free memory was 61.2 MB in the beginning and 79.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-15 19:10:04,310 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.30 ms. Allocated memory is still 102.8 MB. Free memory was 79.2 MB in the beginning and 77.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:10:04,311 INFO L168 Benchmark]: Boogie Preprocessor took 22.93 ms. Allocated memory is still 102.8 MB. Free memory was 77.9 MB in the beginning and 76.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:10:04,312 INFO L168 Benchmark]: RCFGBuilder took 322.40 ms. Allocated memory is still 102.8 MB. Free memory was 76.9 MB in the beginning and 69.2 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:10:04,313 INFO L168 Benchmark]: BuchiAutomizer took 2006.63 ms. Allocated memory was 102.8 MB in the beginning and 127.9 MB in the end (delta: 25.2 MB). Free memory was 68.9 MB in the beginning and 100.4 MB in the end (delta: -31.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:10:04,313 INFO L168 Benchmark]: Witness Printer took 4.62 ms. Allocated memory is still 127.9 MB. Free memory is still 100.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:10:04,318 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 102.8 MB. Free memory is still 77.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 370.23 ms. Allocated memory is still 102.8 MB. Free memory was 61.2 MB in the beginning and 79.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.30 ms. Allocated memory is still 102.8 MB. Free memory was 79.2 MB in the beginning and 77.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.93 ms. Allocated memory is still 102.8 MB. Free memory was 77.9 MB in the beginning and 76.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 322.40 ms. Allocated memory is still 102.8 MB. Free memory was 76.9 MB in the beginning and 69.2 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2006.63 ms. Allocated memory was 102.8 MB in the beginning and 127.9 MB in the end (delta: 25.2 MB). Free memory was 68.9 MB in the beginning and 100.4 MB in the end (delta: -31.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.62 ms. Allocated memory is still 127.9 MB. Free memory is still 100.4 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 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. 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, 12.1ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf100 lsp60 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf93 smp100 dnf100 smp100 tf107 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 88ms 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! [2021-10-15 19:10:04,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b9337e-daa4-40f4-b915-a27064cdb54f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...