./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.10.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_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/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_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/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_7fa8b066-a892-4f4e-8bdb-9fd654078a05/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 4036e0056477b4442ec4a799960d03c7e149261f5dcf8c079ae548d48df77b04 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:52:39,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:52:39,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:52:39,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:52:39,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:52:39,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:52:39,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:52:39,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:52:39,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:52:39,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:52:39,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:52:39,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:52:39,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:52:39,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:52:39,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:52:39,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:52:39,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:52:39,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:52:39,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:52:39,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:52:39,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:52:39,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:52:39,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:52:39,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:52:39,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:52:39,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:52:39,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:52:39,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:52:39,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:52:39,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:52:39,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:52:39,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:52:39,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:52:39,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:52:39,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:52:39,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:52:39,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:52:39,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:52:39,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:52:39,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:52:39,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:52:39,708 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-06 23:52:39,736 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:52:39,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:52:39,736 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:52:39,737 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:52:39,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:52:39,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:52:39,738 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:52:39,738 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 23:52:39,738 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 23:52:39,738 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 23:52:39,738 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 23:52:39,738 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 23:52:39,738 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 23:52:39,739 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:52:39,739 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 23:52:39,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:52:39,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:52:39,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 23:52:39,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 23:52:39,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 23:52:39,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:52:39,740 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 23:52:39,740 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:52:39,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 23:52:39,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:52:39,749 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:52:39,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:52:39,749 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:52:39,749 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:52:39,750 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 23:52:39,750 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_7fa8b066-a892-4f4e-8bdb-9fd654078a05/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4036e0056477b4442ec4a799960d03c7e149261f5dcf8c079ae548d48df77b04 [2021-12-06 23:52:39,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:52:39,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:52:39,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:52:39,940 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:52:39,941 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:52:39,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-restricted-15/b.10.c [2021-12-06 23:52:39,990 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/data/c8cc1f7f8/57a29e0150b448e38993e5e786727873/FLAG8fb8dc523 [2021-12-06 23:52:40,403 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:52:40,403 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/sv-benchmarks/c/termination-restricted-15/b.10.c [2021-12-06 23:52:40,409 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/data/c8cc1f7f8/57a29e0150b448e38993e5e786727873/FLAG8fb8dc523 [2021-12-06 23:52:40,421 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/data/c8cc1f7f8/57a29e0150b448e38993e5e786727873 [2021-12-06 23:52:40,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:52:40,425 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:52:40,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:52:40,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:52:40,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:52:40,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:52:40" (1/1) ... [2021-12-06 23:52:40,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ea85457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:52:40, skipping insertion in model container [2021-12-06 23:52:40,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:52:40" (1/1) ... [2021-12-06 23:52:40,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:52:40,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:52:40,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:52:40,570 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:52:40,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:52:40,589 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:52:40,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:52:40 WrapperNode [2021-12-06 23:52:40,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:52:40,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:52:40,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:52:40,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:52:40,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:52:40" (1/1) ... [2021-12-06 23:52:40,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:52:40" (1/1) ... [2021-12-06 23:52:40,612 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2021-12-06 23:52:40,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:52:40,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:52:40,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:52:40,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:52:40,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:52:40" (1/1) ... [2021-12-06 23:52:40,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:52:40" (1/1) ... [2021-12-06 23:52:40,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:52:40" (1/1) ... [2021-12-06 23:52:40,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:52:40" (1/1) ... [2021-12-06 23:52:40,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:52:40" (1/1) ... [2021-12-06 23:52:40,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:52:40" (1/1) ... [2021-12-06 23:52:40,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:52:40" (1/1) ... [2021-12-06 23:52:40,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:52:40,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:52:40,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:52:40,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:52:40,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:52:40" (1/1) ... [2021-12-06 23:52:40,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:52:40,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:52:40,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:52:40,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 23:52:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:52:40,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:52:40,753 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:52:40,755 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:52:40,818 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:52:40,825 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:52:40,825 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 23:52:40,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:52:40 BoogieIcfgContainer [2021-12-06 23:52:40,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:52:40,829 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 23:52:40,829 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 23:52:40,832 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 23:52:40,833 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 23:52:40,833 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 11:52:40" (1/3) ... [2021-12-06 23:52:40,834 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70182748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 11:52:40, skipping insertion in model container [2021-12-06 23:52:40,834 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 23:52:40,835 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:52:40" (2/3) ... [2021-12-06 23:52:40,835 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70182748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 11:52:40, skipping insertion in model container [2021-12-06 23:52:40,835 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 23:52:40,835 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:52:40" (3/3) ... [2021-12-06 23:52:40,837 INFO L388 chiAutomizerObserver]: Analyzing ICFG b.10.c [2021-12-06 23:52:40,882 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 23:52:40,882 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 23:52:40,882 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 23:52:40,882 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 23:52:40,882 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 23:52:40,883 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 23:52:40,883 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 23:52:40,883 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 23:52:40,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:40,910 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 23:52:40,911 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:52:40,911 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:52:40,916 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 23:52:40,916 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 23:52:40,916 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 23:52:40,916 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:40,917 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 23:52:40,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:52:40,917 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:52:40,918 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 23:52:40,918 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 23:52:40,923 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#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_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~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;main_~c~0#1 := 0; 9#L15-2true [2021-12-06 23:52:40,923 INFO L793 eck$LassoCheckResult]: Loop: 9#L15-2true assume !!(((main_~x~0#1 >= 0 && main_~y~0#1 < 2147483647 - main_~x~0#1) || (main_~x~0#1 < 0 && main_~y~0#1 > -2147483648 - main_~x~0#1)) && main_~x~0#1 + main_~y~0#1 > 0); 10#L12true assume main_~x~0#1 > 0;main_~x~0#1 := main_~x~0#1 - 1; 9#L15-2true [2021-12-06 23:52:40,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:40,928 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-06 23:52:40,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:40,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182368332] [2021-12-06 23:52:40,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:40,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:52:40,991 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:52:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:52:41,006 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:52:41,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:41,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 1 times [2021-12-06 23:52:41,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:41,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431419970] [2021-12-06 23:52:41,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:41,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:52:41,023 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:52:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:52:41,029 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:52:41,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:41,031 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2021-12-06 23:52:41,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:41,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234495079] [2021-12-06 23:52:41,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:41,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:52:41,039 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:52:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:52:41,044 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:52:41,111 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 23:52:41,112 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 23:52:41,112 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 23:52:41,112 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 23:52:41,112 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 23:52:41,112 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:52:41,113 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 23:52:41,113 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 23:52:41,113 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.10.c_Iteration1_Loop [2021-12-06 23:52:41,113 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 23:52:41,113 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 23:52:41,126 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 23:52:41,132 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 23:52:41,135 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 23:52:41,189 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 23:52:41,190 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 23:52:41,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:52:41,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:52:41,192 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:52:41,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 23:52:41,203 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 23:52:41,203 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 23:52:41,219 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 23:52:41,219 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 23:52:41,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 23:52:41,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:52:41,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:52:41,240 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:52:41,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 23:52:41,242 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 23:52:41,242 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 23:52:41,256 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 23:52:41,256 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 23:52:41,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-06 23:52:41,275 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:52:41,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:52:41,276 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:52:41,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 23:52:41,277 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 23:52:41,278 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 23:52:41,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 23:52:41,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:52:41,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:52:41,307 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:52:41,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 23:52:41,308 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 23:52:41,308 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 23:52:41,340 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 23:52:41,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 23:52:41,342 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 23:52:41,342 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 23:52:41,343 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 23:52:41,343 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 23:52:41,343 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 23:52:41,343 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:52:41,343 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 23:52:41,343 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 23:52:41,343 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.10.c_Iteration1_Loop [2021-12-06 23:52:41,343 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 23:52:41,343 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 23:52:41,345 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 23:52:41,347 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 23:52:41,349 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 23:52:41,384 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 23:52:41,388 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 23:52:41,389 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:52:41,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:52:41,390 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:52:41,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 23:52:41,392 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 23:52:41,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:52:41,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:52:41,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:52:41,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:52:41,404 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:52:41,404 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:52:41,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:52:41,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 23:52:41,427 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:52:41,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:52:41,428 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:52:41,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 23:52:41,429 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 23:52:41,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:52:41,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:52:41,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:52:41,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:52:41,439 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:52:41,439 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:52:41,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:52:41,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 23:52:41,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:52:41,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:52:41,463 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:52:41,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 23:52:41,466 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 23:52:41,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:52:41,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:52:41,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:52:41,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:52:41,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:52:41,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:52:41,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:52:41,478 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 23:52:41,481 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-06 23:52:41,482 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-06 23:52:41,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:52:41,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:52:41,518 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:52:41,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 23:52:41,519 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 23:52:41,520 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-06 23:52:41,520 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 23:52:41,520 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2021-12-06 23:52:41,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-06 23:52:41,540 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-06 23:52:41,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:41,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:52:41,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:52:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:41,569 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 23:52:41,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:52:41,574 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 23:52:41,597 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 23:52:41,598 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 23:52:41,625 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 35 transitions. Complement of second has 5 states. [2021-12-06 23:52:41,626 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 23:52:41,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 23:52:41,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-12-06 23:52:41,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 2 letters. Loop has 2 letters. [2021-12-06 23:52:41,632 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:52:41,632 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-06 23:52:41,632 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:52:41,632 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 2 letters. Loop has 4 letters. [2021-12-06 23:52:41,632 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:52:41,633 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 35 transitions. [2021-12-06 23:52:41,635 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 23:52:41,637 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 11 states and 16 transitions. [2021-12-06 23:52:41,638 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-12-06 23:52:41,638 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-12-06 23:52:41,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. [2021-12-06 23:52:41,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 23:52:41,639 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2021-12-06 23:52:41,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. [2021-12-06 23:52:41,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2021-12-06 23:52:41,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 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 23:52:41,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 15 transitions. [2021-12-06 23:52:41,656 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2021-12-06 23:52:41,656 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2021-12-06 23:52:41,656 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 23:52:41,656 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 15 transitions. [2021-12-06 23:52:41,657 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 23:52:41,657 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:52:41,657 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:52:41,657 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-06 23:52:41,658 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 23:52:41,658 INFO L791 eck$LassoCheckResult]: Stem: 68#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 69#L-1 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_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~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;main_~c~0#1 := 0; 74#L15-2 assume !!(((main_~x~0#1 >= 0 && main_~y~0#1 < 2147483647 - main_~x~0#1) || (main_~x~0#1 < 0 && main_~y~0#1 > -2147483648 - main_~x~0#1)) && main_~x~0#1 + main_~y~0#1 > 0); 75#L12 [2021-12-06 23:52:41,658 INFO L793 eck$LassoCheckResult]: Loop: 75#L12 assume !(main_~x~0#1 > 0); 70#L15 assume main_~y~0#1 > 0;main_~y~0#1 := main_~y~0#1 - 1; 71#L15-2 assume !!(((main_~x~0#1 >= 0 && main_~y~0#1 < 2147483647 - main_~x~0#1) || (main_~x~0#1 < 0 && main_~y~0#1 > -2147483648 - main_~x~0#1)) && main_~x~0#1 + main_~y~0#1 > 0); 75#L12 [2021-12-06 23:52:41,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:41,659 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2021-12-06 23:52:41,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:41,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070594283] [2021-12-06 23:52:41,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:41,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:52:41,666 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:52:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:52:41,672 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:52:41,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:41,672 INFO L85 PathProgramCache]: Analyzing trace with hash 45767, now seen corresponding path program 1 times [2021-12-06 23:52:41,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:41,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545405489] [2021-12-06 23:52:41,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:41,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:52:41,679 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:52:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:52:41,685 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:52:41,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:41,685 INFO L85 PathProgramCache]: Analyzing trace with hash 889694400, now seen corresponding path program 1 times [2021-12-06 23:52:41,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:41,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130346078] [2021-12-06 23:52:41,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:41,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:52:41,692 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:52:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:52:41,698 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:52:41,731 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 23:52:41,731 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 23:52:41,731 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 23:52:41,731 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 23:52:41,731 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 23:52:41,731 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:52:41,731 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 23:52:41,731 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 23:52:41,732 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.10.c_Iteration2_Loop [2021-12-06 23:52:41,732 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 23:52:41,732 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 23:52:41,733 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 23:52:41,735 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 23:52:41,736 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 23:52:41,785 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 23:52:41,785 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 23:52:41,785 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:52:41,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:52:41,786 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:52:41,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 23:52:41,787 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 23:52:41,787 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 23:52:41,800 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 23:52:41,800 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 23:52:41,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 23:52:41,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:52:41,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:52:41,820 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:52:41,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 23:52:41,822 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 23:52:41,822 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 23:52:41,834 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 23:52:41,834 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 23:52:41,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-06 23:52:41,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:52:41,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:52:41,854 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:52:41,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 23:52:41,855 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 23:52:41,855 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 23:52:41,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-06 23:52:41,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:52:41,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:52:41,884 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:52:41,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 23:52:41,885 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 23:52:41,885 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 23:52:41,915 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 23:52:41,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 23:52:41,917 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 23:52:41,917 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 23:52:41,917 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 23:52:41,917 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 23:52:41,918 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 23:52:41,918 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:52:41,918 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 23:52:41,918 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 23:52:41,918 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.10.c_Iteration2_Loop [2021-12-06 23:52:41,918 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 23:52:41,918 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 23:52:41,919 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 23:52:41,921 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 23:52:41,922 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 23:52:41,965 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 23:52:41,965 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 23:52:41,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:52:41,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:52:41,966 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:52:41,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 23:52:41,968 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 23:52:41,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:52:41,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:52:41,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:52:41,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:52:41,978 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:52:41,978 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:52:41,981 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:52:41,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-06 23:52:41,999 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:52:42,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:52:42,000 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:52:42,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 23:52:42,001 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 23:52:42,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:52:42,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:52:42,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:52:42,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:52:42,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:52:42,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:52:42,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:52:42,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-06 23:52:42,032 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:52:42,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:52:42,032 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:52:42,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 23:52:42,033 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 23:52:42,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:52:42,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:52:42,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:52:42,040 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-06 23:52:42,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:52:42,043 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:52:42,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:52:42,046 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 23:52:42,050 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-12-06 23:52:42,050 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. [2021-12-06 23:52:42,051 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:52:42,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:52:42,052 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:52:42,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 23:52:42,053 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 23:52:42,053 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-06 23:52:42,053 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 23:52:42,053 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2021-12-06 23:52:42,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-06 23:52:42,072 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-06 23:52:42,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:42,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:52:42,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:52:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:42,088 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 23:52:42,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:52:42,128 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 23:52:42,128 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-06 23:52:42,129 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 15 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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 23:52:42,144 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 15 transitions. cyclomatic complexity: 7. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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 36 states and 54 transitions. Complement of second has 7 states. [2021-12-06 23:52:42,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-06 23:52:42,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-06 23:52:42,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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 23:52:42,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2021-12-06 23:52:42,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 3 letters. [2021-12-06 23:52:42,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:52:42,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 6 letters. Loop has 3 letters. [2021-12-06 23:52:42,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:52:42,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 6 letters. [2021-12-06 23:52:42,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:52:42,146 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 54 transitions. [2021-12-06 23:52:42,148 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 23:52:42,148 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 25 states and 36 transitions. [2021-12-06 23:52:42,149 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-12-06 23:52:42,149 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-12-06 23:52:42,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 36 transitions. [2021-12-06 23:52:42,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 23:52:42,149 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 36 transitions. [2021-12-06 23:52:42,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 36 transitions. [2021-12-06 23:52:42,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 21. [2021-12-06 23:52:42,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 20 states have internal predecessors, (32), 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 23:52:42,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 32 transitions. [2021-12-06 23:52:42,151 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 32 transitions. [2021-12-06 23:52:42,151 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 32 transitions. [2021-12-06 23:52:42,151 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 23:52:42,151 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 32 transitions. [2021-12-06 23:52:42,152 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 23:52:42,152 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:52:42,152 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:52:42,152 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 23:52:42,152 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 23:52:42,152 INFO L791 eck$LassoCheckResult]: Stem: 157#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 158#L-1 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_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~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;main_~c~0#1 := 0; 164#L15-2 assume !!(((main_~x~0#1 >= 0 && main_~y~0#1 < 2147483647 - main_~x~0#1) || (main_~x~0#1 < 0 && main_~y~0#1 > -2147483648 - main_~x~0#1)) && main_~x~0#1 + main_~y~0#1 > 0); 173#L12 assume !(main_~x~0#1 > 0); 159#L15 [2021-12-06 23:52:42,153 INFO L793 eck$LassoCheckResult]: Loop: 159#L15 assume !(main_~y~0#1 > 0); 160#L15-2 assume !!(((main_~x~0#1 >= 0 && main_~y~0#1 < 2147483647 - main_~x~0#1) || (main_~x~0#1 < 0 && main_~y~0#1 > -2147483648 - main_~x~0#1)) && main_~x~0#1 + main_~y~0#1 > 0); 165#L12 assume !(main_~x~0#1 > 0); 159#L15 [2021-12-06 23:52:42,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:42,153 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2021-12-06 23:52:42,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:42,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190910546] [2021-12-06 23:52:42,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:42,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:52:42,157 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:52:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:52:42,160 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:52:42,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:42,161 INFO L85 PathProgramCache]: Analyzing trace with hash 50329, now seen corresponding path program 1 times [2021-12-06 23:52:42,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:42,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304835207] [2021-12-06 23:52:42,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:42,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:42,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 23:52:42,189 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 23:52:42,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:42,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304835207] [2021-12-06 23:52:42,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304835207] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:42,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:52:42,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:52:42,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667546492] [2021-12-06 23:52:42,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:42,193 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 23:52:42,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:42,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:52:42,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:52:42,197 INFO L87 Difference]: Start difference. First operand 21 states and 32 transitions. cyclomatic complexity: 15 Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 23:52:42,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:42,211 INFO L93 Difference]: Finished difference Result 23 states and 31 transitions. [2021-12-06 23:52:42,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:52:42,212 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 31 transitions. [2021-12-06 23:52:42,213 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 23:52:42,213 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2021-12-06 23:52:42,213 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 23:52:42,213 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 23:52:42,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 23:52:42,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:52:42,213 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:52:42,213 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:52:42,213 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:52:42,213 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 23:52:42,213 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 23:52:42,213 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 23:52:42,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 23:52:42,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 11:52:42 BoogieIcfgContainer [2021-12-06 23:52:42,218 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 23:52:42,219 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 23:52:42,219 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 23:52:42,219 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 23:52:42,219 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:52:40" (3/4) ... [2021-12-06 23:52:42,221 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 23:52:42,221 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 23:52:42,222 INFO L158 Benchmark]: Toolchain (without parser) took 1796.92ms. Allocated memory is still 146.8MB. Free memory was 124.6MB in the beginning and 112.0MB in the end (delta: 12.6MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2021-12-06 23:52:42,222 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 83.9MB. Free memory is still 58.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:52:42,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 164.04ms. Allocated memory is still 146.8MB. Free memory was 124.3MB in the beginning and 115.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 23:52:42,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.92ms. Allocated memory is still 146.8MB. Free memory was 115.5MB in the beginning and 114.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 23:52:42,224 INFO L158 Benchmark]: Boogie Preprocessor took 12.85ms. Allocated memory is still 146.8MB. Free memory was 114.1MB in the beginning and 113.4MB in the end (delta: 686.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:52:42,224 INFO L158 Benchmark]: RCFGBuilder took 200.77ms. Allocated memory is still 146.8MB. Free memory was 113.1MB in the beginning and 104.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 23:52:42,224 INFO L158 Benchmark]: BuchiAutomizer took 1389.97ms. Allocated memory is still 146.8MB. Free memory was 104.7MB in the beginning and 112.0MB in the end (delta: -7.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:52:42,224 INFO L158 Benchmark]: Witness Printer took 2.63ms. Allocated memory is still 146.8MB. Free memory is still 112.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:52:42,227 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 83.9MB. Free memory is still 58.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 164.04ms. Allocated memory is still 146.8MB. Free memory was 124.3MB in the beginning and 115.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.92ms. Allocated memory is still 146.8MB. Free memory was 115.5MB in the beginning and 114.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.85ms. Allocated memory is still 146.8MB. Free memory was 114.1MB in the beginning and 113.4MB in the end (delta: 686.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 200.77ms. Allocated memory is still 146.8MB. Free memory was 113.1MB in the beginning and 104.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1389.97ms. Allocated memory is still 146.8MB. Free memory was 104.7MB in the beginning and 112.0MB in the end (delta: -7.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.63ms. Allocated memory is still 146.8MB. Free memory is still 112.0MB. 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 4 locations. One deterministic module has affine ranking function y and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. 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 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 21 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 19 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax154 hnf100 lsp64 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq127 hnf96 smp100 dnf132 smp96 tf106 neg100 sie119 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-06 23:52:42,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8b066-a892-4f4e-8bdb-9fd654078a05/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