./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Singapore-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Singapore-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa --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 14352272474fcd72367ebff6d0f1f20f37763259fc59dc19b61cd8b29efae381 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 21:02:21,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 21:02:21,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 21:02:22,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 21:02:22,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 21:02:22,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 21:02:22,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 21:02:22,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 21:02:22,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 21:02:22,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 21:02:22,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 21:02:22,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 21:02:22,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 21:02:22,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 21:02:22,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 21:02:22,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 21:02:22,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 21:02:22,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 21:02:22,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 21:02:22,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 21:02:22,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 21:02:22,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 21:02:22,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 21:02:22,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 21:02:22,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 21:02:22,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 21:02:22,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 21:02:22,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 21:02:22,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 21:02:22,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 21:02:22,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 21:02:22,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 21:02:22,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 21:02:22,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 21:02:22,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 21:02:22,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 21:02:22,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 21:02:22,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 21:02:22,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 21:02:22,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 21:02:22,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 21:02:22,057 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-06 21:02:22,081 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 21:02:22,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 21:02:22,081 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 21:02:22,081 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 21:02:22,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 21:02:22,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 21:02:22,082 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 21:02:22,083 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 21:02:22,083 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 21:02:22,083 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 21:02:22,083 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 21:02:22,083 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 21:02:22,083 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 21:02:22,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 21:02:22,083 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 21:02:22,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 21:02:22,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 21:02:22,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 21:02:22,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 21:02:22,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 21:02:22,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 21:02:22,084 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 21:02:22,084 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 21:02:22,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 21:02:22,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 21:02:22,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 21:02:22,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 21:02:22,085 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 21:02:22,085 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 21:02:22,086 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 21:02:22,086 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_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14352272474fcd72367ebff6d0f1f20f37763259fc59dc19b61cd8b29efae381 [2021-12-06 21:02:22,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 21:02:22,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 21:02:22,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 21:02:22,267 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 21:02:22,267 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 21:02:22,268 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-crafted/Singapore-2.c [2021-12-06 21:02:22,313 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/data/a2d915a58/562dc2f492da44c693b273b2adb0cffb/FLAG60b426483 [2021-12-06 21:02:22,690 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 21:02:22,691 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/sv-benchmarks/c/termination-crafted/Singapore-2.c [2021-12-06 21:02:22,696 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/data/a2d915a58/562dc2f492da44c693b273b2adb0cffb/FLAG60b426483 [2021-12-06 21:02:22,708 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/data/a2d915a58/562dc2f492da44c693b273b2adb0cffb [2021-12-06 21:02:22,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 21:02:22,711 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 21:02:22,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 21:02:22,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 21:02:22,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 21:02:22,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:02:22" (1/1) ... [2021-12-06 21:02:22,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4739779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:02:22, skipping insertion in model container [2021-12-06 21:02:22,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:02:22" (1/1) ... [2021-12-06 21:02:22,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 21:02:22,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 21:02:22,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:02:22,838 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 21:02:22,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:02:22,856 INFO L208 MainTranslator]: Completed translation [2021-12-06 21:02:22,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:02:22 WrapperNode [2021-12-06 21:02:22,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 21:02:22,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 21:02:22,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 21:02:22,858 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 21:02:22,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:02:22" (1/1) ... [2021-12-06 21:02:22,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:02:22" (1/1) ... [2021-12-06 21:02:22,879 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2021-12-06 21:02:22,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 21:02:22,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 21:02:22,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 21:02:22,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 21:02:22,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:02:22" (1/1) ... [2021-12-06 21:02:22,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:02:22" (1/1) ... [2021-12-06 21:02:22,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:02:22" (1/1) ... [2021-12-06 21:02:22,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:02:22" (1/1) ... [2021-12-06 21:02:22,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:02:22" (1/1) ... [2021-12-06 21:02:22,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:02:22" (1/1) ... [2021-12-06 21:02:22,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:02:22" (1/1) ... [2021-12-06 21:02:22,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 21:02:22,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 21:02:22,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 21:02:22,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 21:02:22,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:02:22" (1/1) ... [2021-12-06 21:02:22,901 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:02:22,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:02:22,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:02:22,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 21:02:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 21:02:22,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 21:02:22,995 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 21:02:22,996 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 21:02:23,045 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 21:02:23,050 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 21:02:23,051 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 21:02:23,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:02:23 BoogieIcfgContainer [2021-12-06 21:02:23,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 21:02:23,053 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 21:02:23,053 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 21:02:23,056 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 21:02:23,056 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 21:02:23,057 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 09:02:22" (1/3) ... [2021-12-06 21:02:23,057 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@260fc26c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 09:02:23, skipping insertion in model container [2021-12-06 21:02:23,057 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 21:02:23,058 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:02:22" (2/3) ... [2021-12-06 21:02:23,058 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@260fc26c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 09:02:23, skipping insertion in model container [2021-12-06 21:02:23,058 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 21:02:23,058 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:02:23" (3/3) ... [2021-12-06 21:02:23,059 INFO L388 chiAutomizerObserver]: Analyzing ICFG Singapore-2.c [2021-12-06 21:02:23,093 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 21:02:23,094 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 21:02:23,094 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 21:02:23,094 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 21:02:23,094 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 21:02:23,094 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 21:02:23,094 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 21:02:23,094 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 21:02:23,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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) [2021-12-06 21:02:23,118 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-06 21:02:23,118 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 21:02:23,118 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 21:02:23,122 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-06 21:02:23,123 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-06 21:02:23,123 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 21:02:23,123 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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) [2021-12-06 21:02:23,124 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-06 21:02:23,124 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 21:02:23,124 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 21:02:23,124 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-06 21:02:23,125 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-06 21:02:23,130 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 4#L17true assume !!(-65535 <= main_~x~0#1 && main_~x~0#1 <= 65535); 5#L18true assume !!(-65535 <= main_~y~0#1 && main_~y~0#1 <= 65535); 11#L19true assume main_~x~0#1 + main_~y~0#1 <= 0; 7#L20-2true [2021-12-06 21:02:23,130 INFO L793 eck$LassoCheckResult]: Loop: 7#L20-2true assume !!(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 + main_~x~0#1 + main_~y~0#1;main_~y~0#1 := main_~y~0#1 - 1; 7#L20-2true [2021-12-06 21:02:23,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:02:23,134 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2021-12-06 21:02:23,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:02:23,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386360869] [2021-12-06 21:02:23,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:02:23,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:02:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:02:23,198 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 21:02:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:02:23,212 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 21:02:23,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:02:23,215 INFO L85 PathProgramCache]: Analyzing trace with hash 55, now seen corresponding path program 1 times [2021-12-06 21:02:23,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:02:23,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653329706] [2021-12-06 21:02:23,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:02:23,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:02:23,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:02:23,221 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 21:02:23,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:02:23,225 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 21:02:23,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:02:23,227 INFO L85 PathProgramCache]: Analyzing trace with hash 889571281, now seen corresponding path program 1 times [2021-12-06 21:02:23,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:02:23,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624651220] [2021-12-06 21:02:23,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:02:23,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:02:23,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:02:23,253 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 21:02:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:02:23,262 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 21:02:23,316 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 21:02:23,317 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 21:02:23,317 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 21:02:23,317 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 21:02:23,317 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 21:02:23,317 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:02:23,317 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 21:02:23,317 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 21:02:23,317 INFO L133 ssoRankerPreferences]: Filename of dumped script: Singapore-2.c_Iteration1_Loop [2021-12-06 21:02:23,317 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 21:02:23,317 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 21:02:23,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:02:23,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:02:23,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:02:23,400 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 21:02:23,401 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 21:02:23,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:02:23,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:02:23,404 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:02:23,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 21:02:23,405 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:02:23,405 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:02:23,423 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:02:23,423 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: [] [2021-12-06 21:02:23,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 21:02:23,445 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:02:23,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:02:23,447 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:02:23,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 21:02:23,449 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:02:23,449 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:02:23,464 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:02:23,464 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: [] [2021-12-06 21:02:23,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 21:02:23,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:02:23,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:02:23,484 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:02:23,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 21:02:23,485 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:02:23,486 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:02:23,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 21:02:23,514 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:02:23,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:02:23,514 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:02:23,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 21:02:23,516 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 21:02:23,516 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:02:23,575 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:02:23,576 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=13, ULTIMATE.start_main_~y~0#1=6} Honda state: {ULTIMATE.start_main_~x~0#1=13, ULTIMATE.start_main_~y~0#1=6} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=15, ULTIMATE.start_main_~y~0#1=3}, {ULTIMATE.start_main_~x~0#1=3, ULTIMATE.start_main_~y~0#1=-3}, {ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~y~0#1=-1}] Lambdas: [2, 1, 1] Nus: [1, 0] [2021-12-06 21:02:23,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 21:02:23,617 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 21:02:23,617 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 21:02:23,617 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 21:02:23,617 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 21:02:23,617 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 21:02:23,617 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:02:23,617 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 21:02:23,617 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 21:02:23,617 INFO L133 ssoRankerPreferences]: Filename of dumped script: Singapore-2.c_Iteration1_Lasso [2021-12-06 21:02:23,617 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 21:02:23,617 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 21:02:23,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:02:23,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:02:23,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:02:23,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:02:23,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:02:23,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:02:23,678 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 21:02:23,679 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 21:02:23,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:02:23,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:02:23,680 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:02:23,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 21:02:23,681 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:02:23,682 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:02:23,695 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:02:23,695 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 21:02:23,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 21:02:23,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:02:23,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:02:23,715 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:02:23,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 21:02:23,717 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:02:23,717 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:02:23,726 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:02:23,726 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 21:02:23,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 21:02:23,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:02:23,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:02:23,746 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:02:23,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 21:02:23,747 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:02:23,747 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:02:23,756 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:02:23,756 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 21:02:23,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 21:02:23,774 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:02:23,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:02:23,775 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:02:23,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 21:02:23,776 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:02:23,776 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:02:23,790 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:02:23,790 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_2=1} Honda state: {v_rep~unnamed0~0~true_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 21:02:23,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-06 21:02:23,809 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:02:23,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:02:23,809 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:02:23,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 21:02:23,811 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:02:23,811 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:02:23,821 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:02:23,821 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 21:02:23,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 21:02:23,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:02:23,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:02:23,841 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:02:23,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 21:02:23,842 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:02:23,842 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:02:23,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-06 21:02:23,870 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:02:23,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:02:23,870 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:02:23,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 21:02:23,872 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 21:02:23,872 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:02:24,359 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 21:02:24,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-06 21:02:24,363 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 21:02:24,363 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 21:02:24,364 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 21:02:24,364 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 21:02:24,364 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 21:02:24,364 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:02:24,364 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 21:02:24,364 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 21:02:24,364 INFO L133 ssoRankerPreferences]: Filename of dumped script: Singapore-2.c_Iteration1_Lasso [2021-12-06 21:02:24,364 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 21:02:24,364 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 21:02:24,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:02:24,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:02:24,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:02:24,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:02:24,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:02:24,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:02:24,403 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 21:02:24,406 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 21:02:24,407 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:02:24,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:02:24,408 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:02:24,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 21:02:24,409 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 [2021-12-06 21:02:24,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:02:24,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:02:24,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:02:24,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:02:24,421 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 21:02:24,421 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 21:02:24,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:02:24,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 21:02:24,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:02:24,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:02:24,444 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:02:24,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 21:02:24,445 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 [2021-12-06 21:02:24,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:02:24,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:02:24,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:02:24,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:02:24,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:02:24,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:02:24,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:02:24,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:02:24,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 21:02:24,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:02:24,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:02:24,474 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:02:24,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 21:02:24,476 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 [2021-12-06 21:02:24,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:02:24,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:02:24,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:02:24,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:02:24,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 21:02:24,489 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 21:02:24,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:02:24,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 21:02:24,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:02:24,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:02:24,516 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:02:24,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 21:02:24,517 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 [2021-12-06 21:02:24,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:02:24,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:02:24,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:02:24,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:02:24,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:02:24,525 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:02:24,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:02:24,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:02:24,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-06 21:02:24,545 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:02:24,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:02:24,546 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:02:24,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 21:02:24,547 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 [2021-12-06 21:02:24,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:02:24,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:02:24,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:02:24,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:02:24,557 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 21:02:24,557 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 21:02:24,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:02:24,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-06 21:02:24,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:02:24,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:02:24,580 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:02:24,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 21:02:24,581 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 [2021-12-06 21:02:24,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:02:24,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:02:24,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:02:24,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:02:24,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:02:24,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:02:24,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:02:24,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:02:24,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 21:02:24,609 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-06 21:02:24,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:02:24,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:02:24,610 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:02:24,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 21:02:24,611 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 [2021-12-06 21:02:24,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:02:24,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:02:24,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:02:24,619 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 21:02:24,621 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-06 21:02:24,621 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-06 21:02:24,625 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:02:24,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-06 21:02:24,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:02:24,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:02:24,645 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:02:24,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 21:02:24,646 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 [2021-12-06 21:02:24,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:02:24,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:02:24,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:02:24,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:02:24,654 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 21:02:24,654 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 21:02:24,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:02:24,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:02:24,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-06 21:02:24,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:02:24,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:02:24,675 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:02:24,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 21:02:24,681 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 [2021-12-06 21:02:24,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:02:24,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:02:24,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:02:24,689 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 21:02:24,694 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-06 21:02:24,695 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-06 21:02:24,708 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 21:02:24,727 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-12-06 21:02:24,727 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-12-06 21:02:24,728 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:02:24,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:02:24,729 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:02:24,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 21:02:24,735 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 21:02:24,744 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 3. [2021-12-06 21:02:24,744 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 21:02:24,744 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 3*ULTIMATE.start_main_~x~0#1 + 2*ULTIMATE.start_main_~y~0#1 f1 = 2*ULTIMATE.start_main_~x~0#1 Supporting invariants [-1*ULTIMATE.start_main_~y~0#1 - 1*ULTIMATE.start_main_~x~0#1 >= 0] [2021-12-06 21:02:24,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-12-06 21:02:24,770 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2021-12-06 21:02:24,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:02:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:02:24,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 21:02:24,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:02:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:02:24,830 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 21:02:24,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:02:24,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:02:24,858 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 [2021-12-06 21:02:24,859 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-12-06 21:02:24,918 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 23 states and 28 transitions. Complement of second has 5 states. [2021-12-06 21:02:24,919 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 [2021-12-06 21:02:24,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-12-06 21:02:24,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2021-12-06 21:02:24,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 5 letters. Loop has 1 letters. [2021-12-06 21:02:24,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 21:02:24,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 6 letters. Loop has 1 letters. [2021-12-06 21:02:24,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 21:02:24,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 5 letters. Loop has 2 letters. [2021-12-06 21:02:24,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 21:02:24,927 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2021-12-06 21:02:24,930 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 21:02:24,932 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2021-12-06 21:02:24,933 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 21:02:24,933 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 21:02:24,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 21:02:24,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 21:02:24,934 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 21:02:24,934 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 21:02:24,934 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 21:02:24,934 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 21:02:24,934 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 21:02:24,934 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 21:02:24,934 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 21:02:24,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 09:02:24 BoogieIcfgContainer [2021-12-06 21:02:24,941 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 21:02:24,941 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 21:02:24,941 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 21:02:24,942 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 21:02:24,942 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:02:23" (3/4) ... [2021-12-06 21:02:24,944 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 21:02:24,944 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 21:02:24,945 INFO L158 Benchmark]: Toolchain (without parser) took 2233.17ms. Allocated memory is still 109.1MB. Free memory was 81.9MB in the beginning and 70.0MB in the end (delta: 11.9MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2021-12-06 21:02:24,945 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 73.4MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 21:02:24,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 144.33ms. Allocated memory is still 109.1MB. Free memory was 81.7MB in the beginning and 73.1MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 21:02:24,946 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.65ms. Allocated memory is still 109.1MB. Free memory was 73.1MB in the beginning and 71.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 21:02:24,946 INFO L158 Benchmark]: Boogie Preprocessor took 13.01ms. Allocated memory is still 109.1MB. Free memory was 71.7MB in the beginning and 70.8MB in the end (delta: 968.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 21:02:24,946 INFO L158 Benchmark]: RCFGBuilder took 158.84ms. Allocated memory is still 109.1MB. Free memory was 70.8MB in the beginning and 62.6MB in the end (delta: 8.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 21:02:24,947 INFO L158 Benchmark]: BuchiAutomizer took 1887.67ms. Allocated memory is still 109.1MB. Free memory was 62.5MB in the beginning and 70.5MB in the end (delta: -8.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 21:02:24,947 INFO L158 Benchmark]: Witness Printer took 2.66ms. Allocated memory is still 109.1MB. Free memory was 70.5MB in the beginning and 70.0MB in the end (delta: 454.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 21:02:24,949 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 73.4MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 144.33ms. Allocated memory is still 109.1MB. Free memory was 81.7MB in the beginning and 73.1MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.65ms. Allocated memory is still 109.1MB. Free memory was 73.1MB in the beginning and 71.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.01ms. Allocated memory is still 109.1MB. Free memory was 71.7MB in the beginning and 70.8MB in the end (delta: 968.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 158.84ms. Allocated memory is still 109.1MB. Free memory was 70.8MB in the beginning and 62.6MB in the end (delta: 8.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1887.67ms. Allocated memory is still 109.1MB. Free memory was 62.5MB in the beginning and 70.5MB in the end (delta: -8.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.66ms. Allocated memory is still 109.1MB. Free memory was 70.5MB in the beginning and 70.0MB in the end (delta: 454.6kB). There was no memory consumed. Max. memory is 16.1GB. * 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 2-nested ranking function (if 2 * y + 3 * x > 0 then 1 else 0), (if 2 * y + 3 * x > 0 then 2 * y + 3 * x else 2 * x) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s 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: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 14 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax148 hnf100 lsp68 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq156 hnf94 smp100 dnf100 smp100 tf102 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-06 21:02:24,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-06 21:02:25,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e62b0e-85c4-4a01-a4a9-83daebb72d06/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE