./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Bangalore-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Bangalore-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e9fdb63b703556c0c4f8ca9f5b469884114c0558f9f1171d980c415152e708f6 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 00:04:14,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 00:04:14,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 00:04:14,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 00:04:14,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 00:04:14,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 00:04:14,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 00:04:14,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 00:04:14,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 00:04:14,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 00:04:14,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 00:04:14,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 00:04:14,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 00:04:14,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 00:04:14,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 00:04:14,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 00:04:14,694 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 00:04:14,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 00:04:14,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 00:04:14,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 00:04:14,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 00:04:14,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 00:04:14,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 00:04:14,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 00:04:14,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 00:04:14,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 00:04:14,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 00:04:14,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 00:04:14,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 00:04:14,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 00:04:14,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 00:04:14,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 00:04:14,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 00:04:14,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 00:04:14,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 00:04:14,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 00:04:14,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 00:04:14,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 00:04:14,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 00:04:14,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 00:04:14,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 00:04:14,756 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-29 00:04:14,804 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 00:04:14,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 00:04:14,805 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-29 00:04:14,805 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-29 00:04:14,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 00:04:14,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 00:04:14,807 INFO L138 SettingsManager]: * Use SBE=true [2021-10-29 00:04:14,807 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-29 00:04:14,808 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-29 00:04:14,808 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-29 00:04:14,809 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-29 00:04:14,810 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-29 00:04:14,810 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-29 00:04:14,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 00:04:14,810 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 00:04:14,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 00:04:14,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 00:04:14,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-29 00:04:14,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-29 00:04:14,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-29 00:04:14,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 00:04:14,812 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-29 00:04:14,812 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 00:04:14,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-29 00:04:14,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 00:04:14,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 00:04:14,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 00:04:14,816 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-29 00:04:14,816 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 00:04:14,818 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-29 00:04:14,818 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_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9fdb63b703556c0c4f8ca9f5b469884114c0558f9f1171d980c415152e708f6 [2021-10-29 00:04:15,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 00:04:15,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 00:04:15,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 00:04:15,215 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 00:04:15,216 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 00:04:15,217 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-crafted/Bangalore-2.c [2021-10-29 00:04:15,345 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/data/7d6771029/ff6d2713c96c46b8877db20a54937e24/FLAG6ba59db4b [2021-10-29 00:04:15,949 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 00:04:15,950 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/sv-benchmarks/c/termination-crafted/Bangalore-2.c [2021-10-29 00:04:15,963 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/data/7d6771029/ff6d2713c96c46b8877db20a54937e24/FLAG6ba59db4b [2021-10-29 00:04:16,321 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/data/7d6771029/ff6d2713c96c46b8877db20a54937e24 [2021-10-29 00:04:16,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 00:04:16,326 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 00:04:16,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 00:04:16,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 00:04:16,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 00:04:16,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:04:16" (1/1) ... [2021-10-29 00:04:16,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c8c0887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:16, skipping insertion in model container [2021-10-29 00:04:16,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:04:16" (1/1) ... [2021-10-29 00:04:16,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 00:04:16,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 00:04:16,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:04:16,534 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 00:04:16,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:04:16,578 INFO L208 MainTranslator]: Completed translation [2021-10-29 00:04:16,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:16 WrapperNode [2021-10-29 00:04:16,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 00:04:16,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 00:04:16,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 00:04:16,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 00:04:16,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:16" (1/1) ... [2021-10-29 00:04:16,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:16" (1/1) ... [2021-10-29 00:04:16,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 00:04:16,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 00:04:16,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 00:04:16,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 00:04:16,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:16" (1/1) ... [2021-10-29 00:04:16,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:16" (1/1) ... [2021-10-29 00:04:16,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:16" (1/1) ... [2021-10-29 00:04:16,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:16" (1/1) ... [2021-10-29 00:04:16,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:16" (1/1) ... [2021-10-29 00:04:16,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:16" (1/1) ... [2021-10-29 00:04:16,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:16" (1/1) ... [2021-10-29 00:04:16,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 00:04:16,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 00:04:16,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 00:04:16,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 00:04:16,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:16" (1/1) ... [2021-10-29 00:04:16,654 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:04:16,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:04:16,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:04:16,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-29 00:04:16,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 00:04:16,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 00:04:16,964 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 00:04:16,964 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 00:04:16,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:04:16 BoogieIcfgContainer [2021-10-29 00:04:16,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 00:04:16,979 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-29 00:04:16,979 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-29 00:04:16,983 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-29 00:04:16,984 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-29 00:04:16,984 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.10 12:04:16" (1/3) ... [2021-10-29 00:04:16,986 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c7bfba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.10 12:04:16, skipping insertion in model container [2021-10-29 00:04:16,986 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-29 00:04:16,986 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:16" (2/3) ... [2021-10-29 00:04:16,987 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c7bfba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.10 12:04:16, skipping insertion in model container [2021-10-29 00:04:16,987 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-29 00:04:16,987 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:04:16" (3/3) ... [2021-10-29 00:04:16,990 INFO L389 chiAutomizerObserver]: Analyzing ICFG Bangalore-2.c [2021-10-29 00:04:17,065 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-29 00:04:17,065 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-29 00:04:17,065 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-29 00:04:17,065 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-29 00:04:17,065 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-29 00:04:17,066 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-29 00:04:17,066 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-29 00:04:17,066 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-29 00:04:17,084 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:17,108 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-29 00:04:17,109 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-29 00:04:17,109 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-29 00:04:17,116 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-29 00:04:17,116 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-29 00:04:17,116 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-29 00:04:17,117 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:17,118 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-29 00:04:17,119 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-29 00:04:17,119 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-29 00:04:17,120 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-29 00:04:17,120 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-29 00:04:17,128 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 5#L18true assume main_~y~0 >= 1; 3#L19-2true [2021-10-29 00:04:17,128 INFO L793 eck$LassoCheckResult]: Loop: 3#L19-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0; 3#L19-2true [2021-10-29 00:04:17,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:17,138 INFO L85 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2021-10-29 00:04:17,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:17,153 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538694628] [2021-10-29 00:04:17,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:17,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:04:17,264 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:04:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:04:17,301 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:04:17,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:17,307 INFO L85 PathProgramCache]: Analyzing trace with hash 44, now seen corresponding path program 1 times [2021-10-29 00:04:17,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:17,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303825132] [2021-10-29 00:04:17,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:17,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:04:17,334 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:04:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:04:17,343 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:04:17,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:17,352 INFO L85 PathProgramCache]: Analyzing trace with hash 30889, now seen corresponding path program 1 times [2021-10-29 00:04:17,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:17,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285615412] [2021-10-29 00:04:17,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:17,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:04:17,368 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:04:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:04:17,384 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:04:17,585 INFO L210 LassoAnalysis]: Preferences: [2021-10-29 00:04:17,586 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-29 00:04:17,586 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-29 00:04:17,587 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-29 00:04:17,587 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-29 00:04:17,587 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:04:17,587 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-29 00:04:17,587 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-29 00:04:17,588 INFO L133 ssoRankerPreferences]: Filename of dumped script: Bangalore-2.c_Iteration1_Lasso [2021-10-29 00:04:17,588 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-29 00:04:17,588 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-29 00:04:17,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:04:17,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:04:17,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:04:17,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:04:17,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:04:17,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:04:17,851 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-29 00:04:17,852 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-29 00:04:17,854 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:04:17,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:04:17,886 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:04:17,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-29 00:04:17,898 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-29 00:04:17,899 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-29 00:04:17,929 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-29 00:04:17,930 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-29 00:04:17,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-29 00:04:17,960 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:04:17,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:04:17,963 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:04:17,965 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-29 00:04:17,965 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-29 00:04:17,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-29 00:04:17,979 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-29 00:04:17,979 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-29 00:04:18,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-29 00:04:18,014 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:04:18,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:04:18,016 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:04:18,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-29 00:04:18,042 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-29 00:04:18,043 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-29 00:04:18,054 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-29 00:04:18,054 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-29 00:04:18,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-29 00:04:18,075 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:04:18,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:04:18,076 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:04:18,096 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-29 00:04:18,096 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-29 00:04:18,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-29 00:04:18,120 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-29 00:04:18,120 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-29 00:04:18,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-29 00:04:18,142 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:04:18,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:04:18,143 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:04:18,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-29 00:04:18,145 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-29 00:04:18,145 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-29 00:04:18,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-29 00:04:18,191 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:04:18,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:04:18,192 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:04:18,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-29 00:04:18,210 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-29 00:04:18,211 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-29 00:04:18,348 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-29 00:04:18,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-29 00:04:18,352 INFO L210 LassoAnalysis]: Preferences: [2021-10-29 00:04:18,352 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-29 00:04:18,352 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-29 00:04:18,352 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-29 00:04:18,352 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-29 00:04:18,352 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:04:18,352 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-29 00:04:18,352 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-29 00:04:18,352 INFO L133 ssoRankerPreferences]: Filename of dumped script: Bangalore-2.c_Iteration1_Lasso [2021-10-29 00:04:18,353 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-29 00:04:18,353 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-29 00:04:18,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:04:18,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:04:18,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:04:18,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:04:18,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:04:18,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:04:18,457 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-29 00:04:18,462 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-29 00:04:18,464 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:04:18,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:04:18,466 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:04:18,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-29 00:04:18,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:04:18,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:04:18,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:04:18,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:04:18,498 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-29 00:04:18,498 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-29 00:04:18,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-29 00:04:18,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:04:18,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-29 00:04:18,557 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:04:18,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:04:18,558 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:04:18,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-29 00:04:18,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-29 00:04:18,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:04:18,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:04:18,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:04:18,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:04:18,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:04:18,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:04:18,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:04:18,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:04:18,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-29 00:04:18,612 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:04:18,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:04:18,614 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:04:18,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-29 00:04:18,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-29 00:04:18,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:04:18,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:04:18,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:04:18,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:04:18,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:04:18,631 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:04:18,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:04:18,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:04:18,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-29 00:04:18,671 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:04:18,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:04:18,672 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:04:18,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-29 00:04:18,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-29 00:04:18,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:04:18,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:04:18,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:04:18,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:04:18,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:04:18,685 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:04:18,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:04:18,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:04:18,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-29 00:04:18,739 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:04:18,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:04:18,742 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:04:18,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-29 00:04:18,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:04:18,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:04:18,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:04:18,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:04:18,779 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-29 00:04:18,779 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-29 00:04:18,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-29 00:04:18,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:04:18,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-29 00:04:18,848 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:04:18,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:04:18,849 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:04:18,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-29 00:04:18,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-29 00:04:18,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:04:18,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:04:18,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:04:18,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:04:18,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-29 00:04:18,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-29 00:04:18,906 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-29 00:04:18,917 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-29 00:04:18,918 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-29 00:04:18,919 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:04:18,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:04:18,924 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:04:18,925 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-29 00:04:18,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-29 00:04:18,955 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-29 00:04:18,956 INFO L513 LassoAnalysis]: Proved termination. [2021-10-29 00:04:18,956 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [1*ULTIMATE.start_main_~y~0 - 1 >= 0] [2021-10-29 00:04:18,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-29 00:04:19,002 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2021-10-29 00:04:19,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:19,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 00:04:19,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 00:04:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:19,091 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 00:04:19,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 00:04:19,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:04:19,116 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-29 00:04:19,118 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 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) [2021-10-29 00:04:19,171 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 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) Result 20 states and 23 transitions. Complement of second has 5 states. [2021-10-29 00:04:19,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-29 00:04:19,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 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) [2021-10-29 00:04:19,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2021-10-29 00:04:19,176 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 2 letters. Loop has 1 letters. [2021-10-29 00:04:19,177 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-29 00:04:19,177 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 3 letters. Loop has 1 letters. [2021-10-29 00:04:19,178 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-29 00:04:19,178 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 2 letters. Loop has 2 letters. [2021-10-29 00:04:19,178 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-29 00:04:19,194 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2021-10-29 00:04:19,197 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-29 00:04:19,202 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2021-10-29 00:04:19,204 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-29 00:04:19,204 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-29 00:04:19,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-29 00:04:19,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-29 00:04:19,205 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 00:04:19,205 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 00:04:19,205 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 00:04:19,206 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-29 00:04:19,206 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-29 00:04:19,206 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-29 00:04:19,208 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-29 00:04:19,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.10 12:04:19 BoogieIcfgContainer [2021-10-29 00:04:19,215 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-29 00:04:19,237 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 00:04:19,237 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 00:04:19,238 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 00:04:19,238 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:04:16" (3/4) ... [2021-10-29 00:04:19,242 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-29 00:04:19,242 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 00:04:19,244 INFO L168 Benchmark]: Toolchain (without parser) took 2916.82 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 62.1 MB in the beginning and 63.4 MB in the end (delta: -1.3 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2021-10-29 00:04:19,245 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 94.4 MB. Free memory was 51.7 MB in the beginning and 51.6 MB in the end (delta: 38.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:04:19,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.09 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 61.9 MB in the beginning and 93.2 MB in the end (delta: -31.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 00:04:19,247 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.43 ms. Allocated memory is still 115.3 MB. Free memory was 93.2 MB in the beginning and 92.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:04:19,248 INFO L168 Benchmark]: Boogie Preprocessor took 17.87 ms. Allocated memory is still 115.3 MB. Free memory was 92.1 MB in the beginning and 91.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:04:19,249 INFO L168 Benchmark]: RCFGBuilder took 327.66 ms. Allocated memory is still 115.3 MB. Free memory was 91.1 MB in the beginning and 83.4 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 00:04:19,250 INFO L168 Benchmark]: BuchiAutomizer took 2236.74 ms. Allocated memory is still 115.3 MB. Free memory was 83.4 MB in the beginning and 63.4 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 16.1 GB. [2021-10-29 00:04:19,251 INFO L168 Benchmark]: Witness Printer took 5.36 ms. Allocated memory is still 115.3 MB. Free memory is still 63.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:04:19,256 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 94.4 MB. Free memory was 51.7 MB in the beginning and 51.6 MB in the end (delta: 38.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 251.09 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 61.9 MB in the beginning and 93.2 MB in the end (delta: -31.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.43 ms. Allocated memory is still 115.3 MB. Free memory was 93.2 MB in the beginning and 92.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.87 ms. Allocated memory is still 115.3 MB. Free memory was 92.1 MB in the beginning and 91.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 327.66 ms. Allocated memory is still 115.3 MB. Free memory was 91.1 MB in the beginning and 83.4 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2236.74 ms. Allocated memory is still 115.3 MB. Free memory was 83.4 MB in the beginning and 63.4 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 16.1 GB. * Witness Printer took 5.36 ms. Allocated memory is still 115.3 MB. Free memory is still 63.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * x + 1 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 9 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax208 hnf100 lsp47 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 59ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-29 00:04:19,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-29 00:04:19,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58fd9bb-3ba2-45c5-a0bb-198999f3fb47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...