./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Gothenburg-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Gothenburg-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF --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 f7049d534efff7d5ecf8b25905dcb4f9f2ca7387a704c110d358c798a8effd3e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:08:32,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:08:32,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:08:32,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:08:32,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:08:32,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:08:32,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:08:32,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:08:32,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:08:32,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:08:32,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:08:32,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:08:32,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:08:32,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:08:32,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:08:32,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:08:32,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:08:32,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:08:32,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:08:32,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:08:32,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:08:32,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:08:32,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:08:32,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:08:32,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:08:32,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:08:32,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:08:32,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:08:32,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:08:32,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:08:32,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:08:32,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:08:32,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:08:32,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:08:32,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:08:32,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:08:32,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:08:32,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:08:32,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:08:32,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:08:32,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:08:32,202 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-20 06:08:32,260 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:08:32,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:08:32,262 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:08:32,262 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:08:32,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:08:32,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:08:32,265 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:08:32,265 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:08:32,266 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:08:32,266 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:08:32,267 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:08:32,268 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:08:32,268 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:08:32,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:08:32,269 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:08:32,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:08:32,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:08:32,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:08:32,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:08:32,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:08:32,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:08:32,271 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:08:32,271 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:08:32,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:08:32,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:08:32,272 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:08:32,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:08:32,275 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:08:32,275 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:08:32,277 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:08:32,277 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_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7049d534efff7d5ecf8b25905dcb4f9f2ca7387a704c110d358c798a8effd3e [2021-11-20 06:08:32,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:08:32,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:08:32,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:08:32,655 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:08:32,656 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:08:32,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-crafted/Gothenburg-1.c [2021-11-20 06:08:32,746 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/data/fd8ca7104/015e61cdeec24efaafb6e98a426bcf39/FLAGaf81c56fe [2021-11-20 06:08:33,407 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:08:33,408 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/sv-benchmarks/c/termination-crafted/Gothenburg-1.c [2021-11-20 06:08:33,423 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/data/fd8ca7104/015e61cdeec24efaafb6e98a426bcf39/FLAGaf81c56fe [2021-11-20 06:08:33,799 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/data/fd8ca7104/015e61cdeec24efaafb6e98a426bcf39 [2021-11-20 06:08:33,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:08:33,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:08:33,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:08:33,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:08:33,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:08:33,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:08:33" (1/1) ... [2021-11-20 06:08:33,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eb1105e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:33, skipping insertion in model container [2021-11-20 06:08:33,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:08:33" (1/1) ... [2021-11-20 06:08:33,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:08:33,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:08:34,147 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:08:34,155 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:08:34,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:08:34,199 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:08:34,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:34 WrapperNode [2021-11-20 06:08:34,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:08:34,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:08:34,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:08:34,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:08:34,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:34" (1/1) ... [2021-11-20 06:08:34,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:34" (1/1) ... [2021-11-20 06:08:34,243 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2021-11-20 06:08:34,244 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:08:34,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:08:34,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:08:34,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:08:34,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:34" (1/1) ... [2021-11-20 06:08:34,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:34" (1/1) ... [2021-11-20 06:08:34,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:34" (1/1) ... [2021-11-20 06:08:34,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:34" (1/1) ... [2021-11-20 06:08:34,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:34" (1/1) ... [2021-11-20 06:08:34,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:34" (1/1) ... [2021-11-20 06:08:34,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:34" (1/1) ... [2021-11-20 06:08:34,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:08:34,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:08:34,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:08:34,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:08:34,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:34" (1/1) ... [2021-11-20 06:08:34,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:34,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:34,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:34,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:08:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:08:34,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:08:34,469 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:08:34,472 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:08:34,678 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:08:34,687 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:08:34,688 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 06:08:34,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:08:34 BoogieIcfgContainer [2021-11-20 06:08:34,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:08:34,692 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:08:34,692 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:08:34,708 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:08:34,709 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:08:34,710 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:08:33" (1/3) ... [2021-11-20 06:08:34,711 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b6973db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:08:34, skipping insertion in model container [2021-11-20 06:08:34,711 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:08:34,712 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:34" (2/3) ... [2021-11-20 06:08:34,712 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b6973db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:08:34, skipping insertion in model container [2021-11-20 06:08:34,712 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:08:34,713 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:08:34" (3/3) ... [2021-11-20 06:08:34,714 INFO L388 chiAutomizerObserver]: Analyzing ICFG Gothenburg-1.c [2021-11-20 06:08:34,857 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:08:34,857 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:08:34,857 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:08:34,857 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:08:34,858 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:08:34,858 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:08:34,858 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:08:34,858 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:08:34,902 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) [2021-11-20 06:08:34,940 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 06:08:34,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:08:34,941 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:08:34,949 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:08:34,949 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 06:08:34,949 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 06:08:34,950 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) [2021-11-20 06:08:34,952 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 06:08:34,953 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:08:34,953 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:08:34,954 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:08:34,954 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 06:08:34,963 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~y~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 4#L22true assume !!(-268435455 <= main_~a~0#1 && main_~a~0#1 <= 268435455); 8#L23true assume !!(-268435455 <= main_~b~0#1 && main_~b~0#1 <= 268435455); 12#L24true assume !!(-268435455 <= main_~x~0#1 && main_~x~0#1 <= 268435455); 7#L25true assume !!(-268435455 <= main_~y~0#1 && main_~y~0#1 <= 268435455); 9#L26true assume main_~a~0#1 == main_~b~0#1; 13#L27-2true [2021-11-20 06:08:34,963 INFO L793 eck$LassoCheckResult]: Loop: 13#L27-2true assume !!(main_~x~0#1 >= 0 || main_~y~0#1 >= 0);main_~x~0#1 := main_~x~0#1 + main_~a~0#1 - main_~b~0#1 - 1;main_~y~0#1 := main_~y~0#1 + main_~b~0#1 - main_~a~0#1 - 1; 13#L27-2true [2021-11-20 06:08:34,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:08:34,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907820, now seen corresponding path program 1 times [2021-11-20 06:08:34,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:08:34,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617077524] [2021-11-20 06:08:34,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:08:34,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:08:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:08:35,128 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:08:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:08:35,189 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:08:35,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:08:35,202 INFO L85 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 1 times [2021-11-20 06:08:35,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:08:35,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483186460] [2021-11-20 06:08:35,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:08:35,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:08:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:08:35,220 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:08:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:08:35,246 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:08:35,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:08:35,251 INFO L85 PathProgramCache]: Analyzing trace with hash 179567606, now seen corresponding path program 1 times [2021-11-20 06:08:35,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:08:35,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258347525] [2021-11-20 06:08:35,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:08:35,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:08:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:08:35,270 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:08:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:08:35,303 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:08:35,468 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:08:35,469 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:08:35,469 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:08:35,470 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:08:35,470 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 06:08:35,470 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:35,470 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:08:35,471 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:08:35,471 INFO L133 ssoRankerPreferences]: Filename of dumped script: Gothenburg-1.c_Iteration1_Loop [2021-11-20 06:08:35,471 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:08:35,471 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:08:35,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:08:35,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:08:35,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:08:35,694 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:08:35,695 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 06:08:35,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:35,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:35,709 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:35,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 06:08:35,714 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:08:35,717 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:08:35,751 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:08:35,752 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: [] [2021-11-20 06:08:35,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:35,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:35,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:35,809 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:35,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 06:08:35,816 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:08:35,817 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:08:35,835 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:08:35,835 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: [] [2021-11-20 06:08:35,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:35,869 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:35,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:35,897 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:35,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 06:08:35,900 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:08:35,901 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:08:35,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:35,975 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:35,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:35,977 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:35,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 06:08:35,983 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 06:08:35,983 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:08:36,478 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:08:36,479 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=3, ULTIMATE.start_main_~y~0#1=-1, ULTIMATE.start_main_~b~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=3, ULTIMATE.start_main_~y~0#1=-1, ULTIMATE.start_main_~b~0#1=1} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~a~0#1=-5, ULTIMATE.start_main_~y~0#1=-2, ULTIMATE.start_main_~b~0#1=-5}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=5, ULTIMATE.start_main_~y~0#1=-1, ULTIMATE.start_main_~b~0#1=5}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~y~0#1=0, ULTIMATE.start_main_~b~0#1=0}] Lambdas: [1, 1, 6] Nus: [0, 0] [2021-11-20 06:08:36,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:36,617 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:08:36,618 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:08:36,618 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:08:36,618 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:08:36,618 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 06:08:36,619 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:36,619 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:08:36,619 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:08:36,619 INFO L133 ssoRankerPreferences]: Filename of dumped script: Gothenburg-1.c_Iteration1_Lasso [2021-11-20 06:08:36,620 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:08:36,620 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:08:36,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:08:36,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:08:36,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:08:36,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:08:36,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:08:36,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:08:36,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:08:36,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:08:36,827 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:08:36,828 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 06:08:36,828 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:36,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:36,833 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:36,840 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:08:36,840 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:08:36,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 06:08:36,862 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:08:36,862 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:08:36,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:36,910 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:36,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:36,913 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:36,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 06:08:36,918 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:08:36,918 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:08:36,945 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:08:36,945 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:08:36,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:36,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:36,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:36,995 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:37,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 06:08:37,007 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:08:37,008 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:08:37,021 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:08:37,021 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:08:37,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:37,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:37,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:37,050 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:37,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 06:08:37,055 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:08:37,056 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:08:37,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:37,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:37,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:37,176 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:37,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 06:08:37,178 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 06:08:37,178 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:08:37,252 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 06:08:37,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:37,256 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:08:37,257 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:08:37,257 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:08:37,257 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:08:37,257 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:08:37,257 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:37,257 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:08:37,257 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:08:37,258 INFO L133 ssoRankerPreferences]: Filename of dumped script: Gothenburg-1.c_Iteration1_Lasso [2021-11-20 06:08:37,258 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:08:37,258 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:08:37,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:08:37,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:08:37,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:08:37,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:08:37,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:08:37,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:08:37,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:08:37,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:08:37,448 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:08:37,454 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:08:37,456 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:37,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:37,458 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:37,475 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 [2021-11-20 06:08:37,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:37,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:37,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:37,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:08:37,494 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:08:37,494 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:08:37,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 06:08:37,509 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:37,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:37,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:37,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:37,558 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:37,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 06:08:37,565 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 [2021-11-20 06:08:37,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:37,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:08:37,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:37,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:37,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:08:37,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:08:37,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:08:37,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:37,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:37,639 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:37,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:37,640 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:37,647 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 [2021-11-20 06:08:37,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:37,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:08:37,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:37,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:37,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:08:37,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:08:37,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:08:37,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 06:08:37,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:37,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:37,729 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:37,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:37,737 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:37,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 06:08:37,740 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 [2021-11-20 06:08:37,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:37,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:08:37,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:37,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:37,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:08:37,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:08:37,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:08:37,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:37,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:37,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:37,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:37,827 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:37,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 06:08:37,834 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 [2021-11-20 06:08:37,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:37,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:37,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:37,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:08:37,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:08:37,849 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:08:37,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:37,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:37,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:37,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:37,933 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:37,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 06:08:37,941 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 [2021-11-20 06:08:37,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:37,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:08:37,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:37,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:37,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:08:37,953 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:08:37,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:08:37,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:38,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:38,005 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:38,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:38,007 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:38,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 06:08:38,012 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 [2021-11-20 06:08:38,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:38,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:38,022 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:08:38,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:08:38,049 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-20 06:08:38,049 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:08:38,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:38,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:38,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:38,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:38,146 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:38,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 06:08:38,208 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 [2021-11-20 06:08:38,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:38,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:08:38,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:38,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:38,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:08:38,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:08:38,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:08:38,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:38,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:38,282 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 06:08:38,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:38,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:38,283 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:38,307 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 [2021-11-20 06:08:38,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:38,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:38,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:38,320 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:08:38,329 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:08:38,330 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:08:38,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 06:08:38,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:38,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:38,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:38,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:38,373 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:38,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 06:08:38,379 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 [2021-11-20 06:08:38,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:38,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:08:38,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:38,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:38,390 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:08:38,392 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:08:38,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:08:38,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:38,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:38,421 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:38,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:38,422 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:38,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 06:08:38,425 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 [2021-11-20 06:08:38,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:38,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:08:38,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:38,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:38,436 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:08:38,437 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:08:38,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:08:38,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:38,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:38,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:38,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:38,484 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:38,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 06:08:38,488 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 [2021-11-20 06:08:38,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:38,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:08:38,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:38,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:38,498 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:08:38,499 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:08:38,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:08:38,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:38,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:38,532 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:38,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:38,533 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:38,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 06:08:38,535 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 [2021-11-20 06:08:38,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:38,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:38,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:38,545 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:08:38,549 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:08:38,549 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:08:38,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:38,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:38,582 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:38,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:38,586 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:38,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 06:08:38,591 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 [2021-11-20 06:08:38,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:38,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:08:38,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:38,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:38,602 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:08:38,603 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:08:38,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:08:38,605 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:38,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:38,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:38,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:38,636 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:38,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 06:08:38,637 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 [2021-11-20 06:08:38,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:38,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:38,648 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:08:38,648 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:08:38,678 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2021-11-20 06:08:38,678 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 06:08:38,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:38,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-11-20 06:08:38,770 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:38,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:38,771 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:38,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 06:08:38,773 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 [2021-11-20 06:08:38,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:38,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:08:38,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:38,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:38,783 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:08:38,784 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:08:38,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:08:38,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:38,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-11-20 06:08:38,853 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 06:08:38,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:38,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:38,855 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:38,861 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 [2021-11-20 06:08:38,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:38,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:38,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:38,874 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:08:38,879 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:08:38,879 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:08:38,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 06:08:38,905 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:38,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:38,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:38,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:38,953 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:38,958 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 [2021-11-20 06:08:38,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:38,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:08:38,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:38,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:38,973 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:08:38,974 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:08:38,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:08:38,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 06:08:38,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:39,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:39,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:39,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:39,036 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:39,043 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 [2021-11-20 06:08:39,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 06:08:39,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:39,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:08:39,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:39,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:39,059 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:08:39,060 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:08:39,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:08:39,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:39,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:39,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:39,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:39,116 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:39,123 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 [2021-11-20 06:08:39,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:39,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:08:39,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:39,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:39,136 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:08:39,137 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:08:39,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:08:39,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 06:08:39,157 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:39,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:39,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:39,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:39,205 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:39,208 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 [2021-11-20 06:08:39,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:39,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:39,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:39,222 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:08:39,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 06:08:39,242 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:08:39,242 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:08:39,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:39,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:39,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:39,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:39,305 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:39,308 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 [2021-11-20 06:08:39,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 06:08:39,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:39,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:08:39,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:39,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:39,318 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:08:39,319 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:08:39,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:08:39,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:39,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:39,352 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:39,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:39,353 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:39,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 06:08:39,356 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 [2021-11-20 06:08:39,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:39,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:39,367 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:08:39,368 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:08:39,407 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2021-11-20 06:08:39,407 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-11-20 06:08:39,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:39,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:39,541 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:39,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:39,542 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:39,546 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 [2021-11-20 06:08:39,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:39,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:08:39,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:39,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:39,559 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:08:39,560 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:08:39,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:08:39,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 06:08:39,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:39,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:39,625 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 06:08:39,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:39,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:39,633 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:39,638 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 [2021-11-20 06:08:39,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:39,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:39,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:39,651 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:08:39,656 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:08:39,656 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:08:39,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 06:08:39,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:39,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-11-20 06:08:39,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:39,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:39,706 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:39,713 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 [2021-11-20 06:08:39,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:39,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:08:39,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:39,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:39,726 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:08:39,727 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:08:39,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:08:39,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 06:08:39,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:39,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:39,787 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:39,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:39,789 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:39,794 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 [2021-11-20 06:08:39,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:39,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:08:39,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:39,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:39,807 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:08:39,808 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:08:39,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:08:39,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-20 06:08:39,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:39,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-11-20 06:08:39,867 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:39,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:39,868 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:39,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 06:08:39,870 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 [2021-11-20 06:08:39,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:39,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:08:39,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:39,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:39,881 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:08:39,887 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:08:39,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:08:39,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:39,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:39,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:39,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:39,931 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:39,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-20 06:08:39,933 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 [2021-11-20 06:08:39,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:39,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:39,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:39,943 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:08:39,956 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:08:39,956 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:08:39,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:40,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:40,023 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:40,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:40,024 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:40,035 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 [2021-11-20 06:08:40,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:40,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:08:40,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:40,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:40,049 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:08:40,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-20 06:08:40,050 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:08:40,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:08:40,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:40,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:40,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:40,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:40,110 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:40,118 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 [2021-11-20 06:08:40,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:40,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:40,131 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:08:40,132 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:08:40,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-20 06:08:40,167 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2021-11-20 06:08:40,167 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2021-11-20 06:08:40,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:40,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:40,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:40,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:40,326 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:40,329 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 [2021-11-20 06:08:40,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:08:40,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:08:40,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:40,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:40,342 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:08:40,342 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:08:40,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:08:40,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-20 06:08:40,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:40,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:40,402 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 06:08:40,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:40,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:40,403 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:40,406 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 [2021-11-20 06:08:40,418 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:08:40,419 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:08:40,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:40,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:40,419 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:08:40,422 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:08:40,422 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:08:40,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-20 06:08:40,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:40,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:40,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:40,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:40,485 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:40,490 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 [2021-11-20 06:08:40,502 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:08:40,502 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:08:40,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:08:40,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:40,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:40,503 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:08:40,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-20 06:08:40,516 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:08:40,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:08:40,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:40,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:40,574 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:40,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:40,577 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:40,580 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 [2021-11-20 06:08:40,592 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:08:40,593 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:08:40,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:08:40,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:40,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:40,593 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:08:40,594 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:08:40,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:08:40,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-20 06:08:40,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:40,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:40,659 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:40,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:40,660 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:40,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-20 06:08:40,665 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 [2021-11-20 06:08:40,677 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:08:40,677 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:08:40,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:08:40,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:40,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:40,678 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:08:40,679 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:08:40,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:08:40,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:40,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:40,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:40,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:40,737 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:40,750 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 [2021-11-20 06:08:40,762 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:08:40,762 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:08:40,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:40,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:40,763 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:08:40,765 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:08:40,766 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:08:40,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-20 06:08:40,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:40,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:40,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:40,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:40,836 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:40,843 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 [2021-11-20 06:08:40,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-20 06:08:40,854 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:08:40,854 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:08:40,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:08:40,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:40,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:08:40,855 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:08:40,857 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:08:40,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:08:40,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:08:40,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-11-20 06:08:40,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:40,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:40,887 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:40,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-20 06:08:40,888 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 [2021-11-20 06:08:40,898 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:08:40,898 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:08:40,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:08:40,899 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:08:40,899 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:08:40,923 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2021-11-20 06:08:40,924 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 06:08:41,038 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:08:41,188 INFO L443 ModelExtractionUtils]: Simplification made 21 calls to the SMT solver. [2021-11-20 06:08:41,188 INFO L444 ModelExtractionUtils]: 17 out of 42 variables were initially zero. Simplification set additionally 13 variables to zero. [2021-11-20 06:08:41,190 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:08:41,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:08:41,197 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:08:41,198 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:08:41,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-20 06:08:41,232 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 6. [2021-11-20 06:08:41,232 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:08:41,233 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-phase ranking function: f0 = 2*ULTIMATE.start_main_~x~0#1 + 1 f1 = 5*ULTIMATE.start_main_~y~0#1 - 2*ULTIMATE.start_main_~x~0#1 Supporting invariants [-1*ULTIMATE.start_main_~a~0#1 + 1*ULTIMATE.start_main_~b~0#1 >= 0, 1*ULTIMATE.start_main_~a~0#1 - 1*ULTIMATE.start_main_~b~0#1 >= 0] [2021-11-20 06:08:41,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:41,299 INFO L297 tatePredicateManager]: 0 out of 2 supporting invariants were superfluous and have been removed [2021-11-20 06:08:41,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:08:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:08:41,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:08:41,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:08:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:08:41,472 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 06:08:41,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:08:41,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:08:41,524 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 [2021-11-20 06:08:41,526 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-11-20 06:08:41,658 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 25 states and 32 transitions. Complement of second has 5 states. [2021-11-20 06:08:41,660 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 [2021-11-20 06:08:41,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-11-20 06:08:41,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2021-11-20 06:08:41,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 7 letters. Loop has 1 letters. [2021-11-20 06:08:41,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:08:41,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 8 letters. Loop has 1 letters. [2021-11-20 06:08:41,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:08:41,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2021-11-20 06:08:41,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:08:41,678 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 32 transitions. [2021-11-20 06:08:41,687 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:08:41,691 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2021-11-20 06:08:41,692 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 06:08:41,693 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 06:08:41,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 06:08:41,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:08:41,694 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:08:41,694 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:08:41,694 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:08:41,694 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 06:08:41,695 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 06:08:41,695 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:08:41,695 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 06:08:41,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:08:41 BoogieIcfgContainer [2021-11-20 06:08:41,705 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 06:08:41,707 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:08:41,707 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:08:41,707 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:08:41,708 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:08:34" (3/4) ... [2021-11-20 06:08:41,715 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:08:41,715 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:08:41,717 INFO L158 Benchmark]: Toolchain (without parser) took 7911.32ms. Allocated memory was 104.9MB in the beginning and 140.5MB in the end (delta: 35.7MB). Free memory was 73.9MB in the beginning and 79.5MB in the end (delta: -5.6MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2021-11-20 06:08:41,717 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 104.9MB. Free memory is still 58.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:08:41,718 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.69ms. Allocated memory is still 104.9MB. Free memory was 73.7MB in the beginning and 81.2MB in the end (delta: -7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:08:41,719 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.87ms. Allocated memory is still 104.9MB. Free memory was 81.2MB in the beginning and 80.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:08:41,719 INFO L158 Benchmark]: Boogie Preprocessor took 23.87ms. Allocated memory is still 104.9MB. Free memory was 80.1MB in the beginning and 79.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:08:41,720 INFO L158 Benchmark]: RCFGBuilder took 420.65ms. Allocated memory is still 104.9MB. Free memory was 79.1MB in the beginning and 70.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:08:41,721 INFO L158 Benchmark]: BuchiAutomizer took 7013.82ms. Allocated memory was 104.9MB in the beginning and 140.5MB in the end (delta: 35.7MB). Free memory was 70.3MB in the beginning and 79.5MB in the end (delta: -9.2MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2021-11-20 06:08:41,721 INFO L158 Benchmark]: Witness Printer took 8.29ms. Allocated memory is still 140.5MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:08:41,728 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 104.9MB. Free memory is still 58.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 376.69ms. Allocated memory is still 104.9MB. Free memory was 73.7MB in the beginning and 81.2MB in the end (delta: -7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.87ms. Allocated memory is still 104.9MB. Free memory was 81.2MB in the beginning and 80.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.87ms. Allocated memory is still 104.9MB. Free memory was 80.1MB in the beginning and 79.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 420.65ms. Allocated memory is still 104.9MB. Free memory was 79.1MB in the beginning and 70.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 7013.82ms. Allocated memory was 104.9MB in the beginning and 140.5MB in the end (delta: 35.7MB). Free memory was 70.3MB in the beginning and 79.5MB in the end (delta: -9.2MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * Witness Printer took 8.29ms. Allocated memory is still 140.5MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 2-phase ranking function (if 2 * x + 1 > 0 then 1 else 0), (if 2 * x + 1 > 0 then 2 * x + 1 else 5 * y + -2 * x) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 6.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 18 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital43 mio100 ax131 hnf100 lsp76 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq152 hnf95 smp100 dnf157 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 171ms VariablesStem: 4 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 10 MotzkinApplications: 40 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-20 06:08:41,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-20 06:08:41,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4407a938-c21f-4761-b55c-10fa3ae6d448/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE