./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/MirrorIntervSim.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_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/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_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/MirrorIntervSim.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/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_afca768e-719a-490d-8946-d4c989287224/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 1e595805dca904ee1e6f0786227983091e2e8f8ea7bde1a271c427277bb45d12 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:44:34,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:44:34,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:44:34,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:44:34,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:44:34,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:44:34,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:44:34,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:44:34,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:44:34,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:44:34,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:44:34,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:44:34,551 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:44:34,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:44:34,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:44:34,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:44:34,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:44:34,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:44:34,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:44:34,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:44:34,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:44:34,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:44:34,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:44:34,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:44:34,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:44:34,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:44:34,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:44:34,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:44:34,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:44:34,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:44:34,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:44:34,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:44:34,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:44:34,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:44:34,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:44:34,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:44:34,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:44:34,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:44:34,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:44:34,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:44:34,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:44:34,589 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-20 06:44:34,621 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:44:34,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:44:34,621 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:44:34,621 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:44:34,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:44:34,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:44:34,623 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:44:34,623 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:44:34,623 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:44:34,624 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:44:34,624 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:44:34,624 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:44:34,624 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:44:34,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:44:34,625 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:44:34,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:44:34,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:44:34,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:44:34,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:44:34,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:44:34,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:44:34,626 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:44:34,626 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:44:34,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:44:34,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:44:34,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:44:34,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:44:34,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:44:34,627 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:44:34,628 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:44:34,629 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_afca768e-719a-490d-8946-d4c989287224/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e595805dca904ee1e6f0786227983091e2e8f8ea7bde1a271c427277bb45d12 [2021-11-20 06:44:34,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:44:34,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:44:34,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:44:34,918 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:44:34,919 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:44:34,920 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-restricted-15/MirrorIntervSim.c [2021-11-20 06:44:35,043 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/data/4a30e38dd/55b454a19cd94f52a772c94b86de4859/FLAGabe799b54 [2021-11-20 06:44:35,510 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:44:35,511 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/sv-benchmarks/c/termination-restricted-15/MirrorIntervSim.c [2021-11-20 06:44:35,516 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/data/4a30e38dd/55b454a19cd94f52a772c94b86de4859/FLAGabe799b54 [2021-11-20 06:44:36,003 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/data/4a30e38dd/55b454a19cd94f52a772c94b86de4859 [2021-11-20 06:44:36,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:44:36,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:44:36,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:44:36,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:44:36,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:44:36,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:44:36" (1/1) ... [2021-11-20 06:44:36,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@292a3303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:36, skipping insertion in model container [2021-11-20 06:44:36,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:44:36" (1/1) ... [2021-11-20 06:44:36,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:44:36,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:44:36,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:44:36,195 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:44:36,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:44:36,219 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:44:36,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:36 WrapperNode [2021-11-20 06:44:36,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:44:36,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:44:36,221 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:44:36,221 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:44:36,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:36" (1/1) ... [2021-11-20 06:44:36,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:36" (1/1) ... [2021-11-20 06:44:36,254 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2021-11-20 06:44:36,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:44:36,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:44:36,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:44:36,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:44:36,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:36" (1/1) ... [2021-11-20 06:44:36,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:36" (1/1) ... [2021-11-20 06:44:36,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:36" (1/1) ... [2021-11-20 06:44:36,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:36" (1/1) ... [2021-11-20 06:44:36,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:36" (1/1) ... [2021-11-20 06:44:36,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:36" (1/1) ... [2021-11-20 06:44:36,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:36" (1/1) ... [2021-11-20 06:44:36,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:44:36,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:44:36,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:44:36,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:44:36,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:36" (1/1) ... [2021-11-20 06:44:36,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:36,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:36,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:36,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:44:36,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:44:36,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:44:36,420 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:44:36,423 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:44:36,518 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:44:36,527 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:44:36,527 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 06:44:36,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:44:36 BoogieIcfgContainer [2021-11-20 06:44:36,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:44:36,531 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:44:36,532 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:44:36,535 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:44:36,536 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:44:36,536 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:44:36" (1/3) ... [2021-11-20 06:44:36,538 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4dcd934f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:44:36, skipping insertion in model container [2021-11-20 06:44:36,538 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:44:36,538 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:36" (2/3) ... [2021-11-20 06:44:36,540 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4dcd934f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:44:36, skipping insertion in model container [2021-11-20 06:44:36,540 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:44:36,540 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:44:36" (3/3) ... [2021-11-20 06:44:36,542 INFO L388 chiAutomizerObserver]: Analyzing ICFG MirrorIntervSim.c [2021-11-20 06:44:36,605 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:44:36,605 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:44:36,606 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:44:36,606 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:44:36,606 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:44:36,606 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:44:36,606 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:44:36,607 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:44:36,621 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:44:36,654 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 06:44:36,654 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:44:36,655 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:44:36,661 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 06:44:36,661 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:44:36,661 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 06:44:36,662 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:44:36,664 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 06:44:36,664 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:44:36,664 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:44:36,665 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 06:44:36,665 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:44:36,672 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 7#L10-1true [2021-11-20 06:44:36,673 INFO L793 eck$LassoCheckResult]: Loop: 7#L10-1true assume !!(0 != main_~i~0#1); 5#L10true assume !(-5 <= main_~i~0#1 && main_~i~0#1 <= 35);main_~i~0#1 := 0; 7#L10-1true [2021-11-20 06:44:36,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:44:36,681 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-20 06:44:36,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:44:36,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549279815] [2021-11-20 06:44:36,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:44:36,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:44:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:44:36,777 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:44:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:44:36,814 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:44:36,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:44:36,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1329, now seen corresponding path program 1 times [2021-11-20 06:44:36,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:44:36,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216265639] [2021-11-20 06:44:36,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:44:36,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:44:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:44:36,829 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:44:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:44:36,841 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:44:36,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:44:36,843 INFO L85 PathProgramCache]: Analyzing trace with hash 925811, now seen corresponding path program 1 times [2021-11-20 06:44:36,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:44:36,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249268311] [2021-11-20 06:44:36,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:44:36,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:44:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:44:36,861 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:44:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:44:36,874 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:44:36,996 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:44:36,996 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:44:36,997 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:44:36,997 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:44:36,997 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 06:44:36,997 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:36,997 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:44:36,998 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:44:36,998 INFO L133 ssoRankerPreferences]: Filename of dumped script: MirrorIntervSim.c_Iteration1_Loop [2021-11-20 06:44:36,998 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:44:36,998 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:44:37,016 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 06:44:37,023 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 06:44:37,027 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 06:44:37,108 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:44:37,109 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 06:44:37,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:37,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:37,127 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:37,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 06:44:37,140 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:44:37,141 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:44:37,176 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:44:37,176 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 06:44:37,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:37,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:37,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:37,211 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:37,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 06:44:37,213 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:44:37,213 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:44:37,226 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:44:37,227 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 06:44:37,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:37,252 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:37,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:37,253 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:37,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 06:44:37,259 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:44:37,259 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:44:37,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-11-20 06:44:37,304 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:37,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:37,305 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:37,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 06:44:37,315 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 06:44:37,316 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:44:37,369 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 06:44:37,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:37,373 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:44:37,373 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:44:37,373 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:44:37,373 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:44:37,373 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:44:37,373 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:37,373 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:44:37,373 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:44:37,374 INFO L133 ssoRankerPreferences]: Filename of dumped script: MirrorIntervSim.c_Iteration1_Loop [2021-11-20 06:44:37,374 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:44:37,374 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:44:37,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:44:37,379 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 06:44:37,389 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 06:44:37,438 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:44:37,442 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:44:37,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:37,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:37,445 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:37,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 06:44:37,454 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 06:44:37,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:37,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:37,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:37,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:44:37,480 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:44:37,480 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:44:37,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:37,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:37,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:37,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:37,524 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:37,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 06:44:37,526 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 06:44:37,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:37,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:37,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:37,535 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:44:37,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:44:37,538 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:44:37,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:37,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:37,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:37,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:37,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:37,578 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:37,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 06:44:37,586 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 06:44:37,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:37,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:37,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:37,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:44:37,599 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:44:37,599 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:44:37,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:37,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:37,662 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 06:44:37,662 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:37,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:37,663 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:37,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 06:44:37,667 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 06:44:37,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:37,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:37,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:37,675 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:44:37,682 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:44:37,683 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:44:37,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:37,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:37,727 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:37,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:37,728 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:37,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 06:44:37,730 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 06:44:37,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:37,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:37,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:37,738 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:44:37,738 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:44:37,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:44:37,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:37,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:37,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-11-20 06:44:37,773 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:37,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:37,774 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:37,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 06:44:37,778 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 06:44:37,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:37,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:37,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:37,786 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:44:37,790 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:44:37,790 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:44:37,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:37,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:37,871 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 06:44:37,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:37,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:37,872 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:37,881 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 06:44:37,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:37,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:37,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:37,891 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:37,897 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:44:37,897 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:44:37,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 06:44:37,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:37,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:37,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:37,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:37,978 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:37,997 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 06:44:38,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:38,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:38,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:38,024 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:44:38,024 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:38,027 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-20 06:44:38,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:38,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 06:44:38,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:38,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:38,085 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:38,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:38,087 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:38,089 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 06:44:38,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 06:44:38,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:38,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:38,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:38,099 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:38,118 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:44:38,119 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:44:38,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:38,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:38,167 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 06:44:38,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:38,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:38,168 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:38,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 06:44:38,174 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 06:44:38,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:38,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:38,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:38,186 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:44:38,191 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:44:38,192 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:44:38,213 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:38,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:38,246 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:38,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:38,249 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:38,255 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 06:44:38,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:38,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:38,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:38,265 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:44:38,265 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:44:38,269 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2021-11-20 06:44:38,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:38,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 06:44:38,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:38,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:38,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:38,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:38,325 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:38,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 06:44:38,328 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 06:44:38,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:38,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:38,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:38,337 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:44:38,342 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:44:38,342 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:44:38,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:38,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:38,418 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 06:44:38,418 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:38,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:38,419 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:38,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 06:44:38,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:44:38,438 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:38,438 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:44:38,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:38,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:38,439 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:44:38,451 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:44:38,451 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:44:38,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:38,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:38,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:38,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:38,501 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:38,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 06:44:38,503 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 06:44:38,510 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:38,510 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:44:38,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:38,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:38,511 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:44:38,511 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:44:38,514 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:44:38,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:38,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:38,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:38,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:38,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:38,568 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:38,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 06:44:38,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:44:38,590 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:38,590 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:44:38,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:38,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:38,591 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:44:38,594 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:44:38,595 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:44:38,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:38,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:38,652 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 06:44:38,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:38,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:38,653 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:38,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 06:44:38,655 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 06:44:38,663 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:38,663 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:44:38,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:38,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:38,663 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:38,668 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:44:38,668 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:44:38,705 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:38,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:38,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:38,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:38,745 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:38,747 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 06:44:38,757 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:38,757 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:44:38,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:38,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:38,758 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:44:38,758 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:38,762 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-20 06:44:38,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:38,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 06:44:38,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:38,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-11-20 06:44:38,806 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:38,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:38,814 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:38,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 06:44:38,817 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 06:44:38,824 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:38,824 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:44:38,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:38,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:38,825 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:38,830 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:44:38,830 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:44:38,849 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:38,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:38,886 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 06:44:38,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:38,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:38,887 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:38,889 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 06:44:38,898 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:38,899 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:44:38,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:38,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:38,899 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:44:38,904 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:44:38,904 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:44:38,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 06:44:38,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:38,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-11-20 06:44:38,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:38,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:38,957 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:38,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 06:44:38,958 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 06:44:38,966 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:38,966 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:44:38,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:38,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:38,966 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:44:38,967 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:44:38,973 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2021-11-20 06:44:38,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:38,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:39,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:39,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:39,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:39,035 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:39,041 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 06:44:39,051 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:39,051 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:44:39,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:39,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:39,052 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:44:39,057 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:44:39,057 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:44:39,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 06:44:39,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:39,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:39,109 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 06:44:39,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:39,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:39,111 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:39,114 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 06:44:39,124 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:39,124 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:44:39,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:39,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:39,124 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:39,127 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:44:39,128 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:44:39,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 06:44:39,153 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:39,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-11-20 06:44:39,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:39,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:39,174 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:39,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 06:44:39,177 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 06:44:39,184 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:39,184 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:44:39,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:39,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:39,185 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:44:39,185 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:39,187 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-20 06:44:39,188 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:39,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:39,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:39,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:39,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:39,245 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:39,254 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 06:44:39,263 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:39,263 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:44:39,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:39,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:39,264 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:39,267 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:44:39,267 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:44:39,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 06:44:39,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:39,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:39,317 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 06:44:39,318 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:39,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:39,319 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:39,321 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 06:44:39,330 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:39,330 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:44:39,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:39,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:39,331 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:44:39,336 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-20 06:44:39,336 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 06:44:39,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 06:44:39,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:39,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:39,390 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:39,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:39,391 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:39,393 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 06:44:39,402 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:39,403 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:44:39,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:39,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:39,403 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:44:39,403 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:44:39,407 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:44:39,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:39,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 06:44:39,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:39,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:39,469 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:39,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:39,470 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:39,472 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 06:44:39,493 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:39,494 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:44:39,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:39,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:39,494 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:44:39,499 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-20 06:44:39,499 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 06:44:39,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 06:44:39,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:39,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:39,561 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:44:39,561 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:44:39,561 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:44:39,561 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:44:39,561 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 06:44:39,561 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:39,561 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:44:39,561 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:44:39,561 INFO L133 ssoRankerPreferences]: Filename of dumped script: MirrorIntervSim.c_Iteration1_Lasso [2021-11-20 06:44:39,561 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:44:39,561 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:44:39,564 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 06:44:39,567 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 06:44:39,581 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 06:44:39,587 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 06:44:39,590 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 06:44:39,648 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:44:39,648 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 06:44:39,648 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:39,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:39,649 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:39,651 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:44:39,651 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:44:39,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 06:44:39,666 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:44:39,666 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:44:39,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:39,685 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:39,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:39,686 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:39,688 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:44:39,688 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:44:39,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 06:44:39,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:39,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:39,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:39,756 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:39,762 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 06:44:39,762 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:44:39,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 06:44:39,837 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 06:44:39,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:39,844 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:44:39,844 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:44:39,844 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:44:39,844 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:44:39,844 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:44:39,844 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:39,844 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:44:39,844 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:44:39,844 INFO L133 ssoRankerPreferences]: Filename of dumped script: MirrorIntervSim.c_Iteration1_Lasso [2021-11-20 06:44:39,844 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:44:39,844 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:44:39,846 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 06:44:39,849 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 06:44:39,852 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 06:44:39,857 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 06:44:39,860 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 06:44:39,936 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:44:39,936 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:44:39,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:39,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:39,937 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:39,946 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 06:44:39,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:39,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:39,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:39,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:44:39,957 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:44:39,957 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:44:39,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 06:44:39,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:40,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:40,010 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:40,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:40,011 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:40,013 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 06:44:40,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:40,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:40,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:40,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:40,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:44:40,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:44:40,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:40,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-20 06:44:40,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:40,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:40,072 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:40,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:40,077 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:40,081 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 06:44:40,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:40,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:40,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:40,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:44:40,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:44:40,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:44:40,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 06:44:40,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:40,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:40,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:40,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:40,155 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:40,159 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 06:44:40,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:40,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:40,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:40,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:40,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:44:40,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:44:40,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:40,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-20 06:44:40,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:40,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:40,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:40,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:40,221 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:40,228 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 06:44:40,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:40,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:40,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:40,238 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:44:40,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:44:40,240 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:44:40,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:40,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-20 06:44:40,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:40,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:40,293 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 06:44:40,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:40,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:40,294 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:40,296 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 06:44:40,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:40,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:40,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:40,306 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:44:40,309 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:44:40,309 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:44:40,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-20 06:44:40,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:40,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-11-20 06:44:40,357 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:40,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:40,358 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:40,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-20 06:44:40,360 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 06:44:40,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:40,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:40,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:40,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:40,367 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:44:40,368 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:44:40,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:40,369 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:40,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:40,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:40,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:40,388 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:40,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-20 06:44:40,390 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 06:44:40,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:40,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:40,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:40,398 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:44:40,401 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:44:40,401 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:44:40,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:40,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:40,461 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:40,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:40,462 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:40,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:44:40,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:40,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:40,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:40,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:40,475 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:44:40,476 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:44:40,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:40,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-20 06:44:40,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:40,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:40,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:40,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:40,525 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:40,527 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 06:44:40,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:40,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:40,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:40,537 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:44:40,537 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:44:40,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:44:40,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:40,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-20 06:44:40,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:40,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:40,589 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 06:44:40,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:40,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:40,591 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:40,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-20 06:44:40,595 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 06:44:40,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:40,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:40,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:40,605 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:40,608 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:44:40,608 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:44:40,625 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:40,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:40,657 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:40,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:40,661 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:40,667 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 06:44:40,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:40,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:40,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:40,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:40,677 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:40,677 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:44:40,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:40,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-20 06:44:40,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:40,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-11-20 06:44:40,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:40,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:40,706 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:40,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-20 06:44:40,707 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 06:44:40,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:40,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:40,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:40,715 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:40,717 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:44:40,717 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:44:40,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:40,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:40,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:40,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:40,767 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:40,769 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 06:44:40,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:40,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:40,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:40,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:40,778 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:40,779 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:44:40,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:40,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-20 06:44:40,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:40,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:40,829 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:40,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:40,830 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:40,832 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 06:44:40,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:40,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:40,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:40,842 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:44:40,842 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:40,844 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-20 06:44:40,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:40,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-20 06:44:40,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:40,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:40,895 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 06:44:40,895 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:40,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:40,895 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:40,902 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 06:44:40,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-20 06:44:40,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:40,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:40,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:40,911 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:44:40,915 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:44:40,915 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:44:40,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:40,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:40,970 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:40,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:40,973 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:40,975 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 06:44:40,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:40,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:40,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:40,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:40,984 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:44:40,985 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:44:40,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:40,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-20 06:44:40,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:41,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-11-20 06:44:41,022 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:41,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:41,023 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:41,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-20 06:44:41,024 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 06:44:41,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:41,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:41,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:41,032 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:44:41,035 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:44:41,036 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:44:41,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:41,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:41,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:41,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:41,098 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:41,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-20 06:44:41,101 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 06:44:41,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:41,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:41,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:41,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:41,110 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:44:41,111 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:44:41,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:41,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:41,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:41,136 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:41,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:41,136 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:41,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-20 06:44:41,137 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 06:44:41,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:41,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:41,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:41,145 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:44:41,145 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:44:41,147 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2021-11-20 06:44:41,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:41,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:41,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:41,171 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 06:44:41,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:41,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:41,172 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:41,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-20 06:44:41,210 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 06:44:41,219 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:41,219 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:44:41,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:41,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:41,220 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:44:41,222 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:44:41,222 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:44:41,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:41,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:41,274 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:41,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:41,275 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:41,277 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 06:44:41,286 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:41,286 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:44:41,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:41,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:41,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:41,287 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:44:41,287 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:44:41,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:41,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-20 06:44:41,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:41,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:41,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:41,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:41,330 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:41,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-20 06:44:41,331 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 06:44:41,338 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:41,339 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:44:41,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:41,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:41,339 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:44:41,341 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:44:41,341 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:44:41,373 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:41,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:41,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:41,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:41,392 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:41,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-20 06:44:41,393 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 06:44:41,400 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:41,401 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:44:41,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:41,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:41,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:41,401 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:44:41,401 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:44:41,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:41,437 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:41,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:41,468 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:41,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:41,469 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:41,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-20 06:44:41,470 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 06:44:41,477 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:41,477 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:44:41,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:41,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:41,477 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:44:41,478 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:44:41,479 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:44:41,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:41,509 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:41,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:41,541 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 06:44:41,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:41,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:41,545 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:41,550 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 06:44:41,559 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:41,559 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:44:41,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:41,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:41,559 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:41,562 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:44:41,562 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:44:41,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-20 06:44:41,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:41,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:41,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:41,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:41,610 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:41,613 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 06:44:41,623 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:41,623 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:44:41,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:41,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:41,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:41,623 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:41,624 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:44:41,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:41,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-20 06:44:41,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:41,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:41,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:41,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:41,670 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:41,672 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 06:44:41,681 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:41,681 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:44:41,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:41,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:41,681 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:41,684 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:44:41,684 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:44:41,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-20 06:44:41,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:41,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:41,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:41,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:41,739 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:41,740 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 06:44:41,750 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:41,750 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:44:41,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:41,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:41,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:41,750 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:41,751 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:44:41,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:41,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-20 06:44:41,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:41,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:41,804 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:41,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:41,805 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:41,807 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 06:44:41,816 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:41,816 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:44:41,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:41,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:41,817 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:44:41,817 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:41,839 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-20 06:44:41,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:41,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-20 06:44:41,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:41,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:41,885 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 06:44:41,885 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:41,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:41,886 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:41,890 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 06:44:41,899 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:41,899 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:44:41,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:41,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:41,900 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:44:41,903 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:44:41,903 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:44:41,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-20 06:44:41,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:41,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:41,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:41,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:41,958 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:41,960 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 06:44:41,969 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:41,970 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:44:41,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:41,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:41,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:41,970 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:44:41,971 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:44:41,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:41,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-20 06:44:41,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:42,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-11-20 06:44:42,003 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:42,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:42,003 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:42,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-20 06:44:42,005 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 06:44:42,012 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:42,012 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:44:42,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:42,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:42,013 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:44:42,016 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:44:42,016 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:44:42,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:42,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:42,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:42,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:42,077 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:42,081 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 06:44:42,091 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:42,091 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:44:42,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:42,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:42,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:42,091 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:44:42,093 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:44:42,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:42,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-20 06:44:42,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:42,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:42,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:42,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:42,138 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:42,140 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 06:44:42,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-20 06:44:42,149 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:42,149 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:44:42,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:42,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:42,150 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:44:42,150 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:44:42,153 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2021-11-20 06:44:42,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:42,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:42,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:42,188 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 06:44:42,188 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:42,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:42,189 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:42,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-20 06:44:42,190 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 06:44:42,197 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:42,197 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:44:42,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:42,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:42,197 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:42,199 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:44:42,199 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:44:42,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:42,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:42,221 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:42,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:42,222 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:42,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-20 06:44:42,223 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 06:44:42,230 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:42,230 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:44:42,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:42,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:42,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:42,231 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:42,231 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:44:42,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:42,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:42,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-11-20 06:44:42,251 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:42,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:42,252 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:42,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-20 06:44:42,255 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 06:44:42,262 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:42,262 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:44:42,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:42,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:42,262 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:42,264 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:44:42,264 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:44:42,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:42,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-11-20 06:44:42,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:42,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:42,288 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:42,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-20 06:44:42,289 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 06:44:42,296 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:42,296 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:44:42,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:42,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:42,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:42,297 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:42,297 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:44:42,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:42,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:42,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:42,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:42,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:42,330 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:42,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-20 06:44:42,331 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 06:44:42,338 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:42,338 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:44:42,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:42,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:42,338 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:44:42,338 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:42,340 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-20 06:44:42,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:42,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:42,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-11-20 06:44:42,363 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 06:44:42,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:42,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:42,364 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:42,394 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 06:44:42,403 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:42,403 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:44:42,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:42,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:42,403 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:44:42,407 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-20 06:44:42,407 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 06:44:42,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-20 06:44:42,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:42,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-11-20 06:44:42,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:42,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:42,451 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:42,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-20 06:44:42,452 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 06:44:42,459 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:42,459 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:44:42,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:42,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:42,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:42,460 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:44:42,461 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:44:42,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:42,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:42,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:42,482 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:42,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:42,483 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:42,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-20 06:44:42,485 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 06:44:42,492 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:42,492 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:44:42,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:42,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:42,492 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:44:42,496 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-20 06:44:42,496 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 06:44:42,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:42,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:42,561 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:42,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:42,565 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:42,567 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 06:44:42,576 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:42,576 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:44:42,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:42,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:42,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:42,577 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:44:42,578 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:44:42,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:42,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-20 06:44:42,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:42,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:42,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:42,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:42,629 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:42,631 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 06:44:42,640 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:42,640 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:44:42,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:42,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:42,641 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:44:42,641 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:44:42,644 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:44:42,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:42,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-20 06:44:42,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:42,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:42,693 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-20 06:44:42,694 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 7#L10-1true assume !!(0 != main_~i~0#1); 5#L10true assume !(-5 <= main_~i~0#1 && main_~i~0#1 <= 35);main_~i~0#1 := 0; 7#L10-1true [2021-11-20 06:44:42,694 INFO L793 eck$LassoCheckResult]: Loop: 7#L10-1true assume !!(0 != main_~i~0#1); 5#L10true assume !(-5 <= main_~i~0#1 && main_~i~0#1 <= 35);main_~i~0#1 := 0; 7#L10-1true [2021-11-20 06:44:42,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:44:42,694 INFO L85 PathProgramCache]: Analyzing trace with hash 925811, now seen corresponding path program 2 times [2021-11-20 06:44:42,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:44:42,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955634595] [2021-11-20 06:44:42,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:44:42,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:44:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:44:42,699 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:44:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:44:42,703 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:44:42,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:44:42,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1329, now seen corresponding path program 2 times [2021-11-20 06:44:42,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:44:42,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350748904] [2021-11-20 06:44:42,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:44:42,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:44:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:44:42,708 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:44:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:44:42,712 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:44:42,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:44:42,712 INFO L85 PathProgramCache]: Analyzing trace with hash 889704739, now seen corresponding path program 3 times [2021-11-20 06:44:42,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:44:42,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865661577] [2021-11-20 06:44:42,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:44:42,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:44:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:44:42,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:44:42,747 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:44:42,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865661577] [2021-11-20 06:44:42,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865661577] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:44:42,748 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:44:42,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:44:42,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032579949] [2021-11-20 06:44:42,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:44:42,775 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:44:42,776 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:44:42,776 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:44:42,776 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:44:42,776 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 06:44:42,776 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:42,776 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:44:42,776 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:44:42,776 INFO L133 ssoRankerPreferences]: Filename of dumped script: MirrorIntervSim.c_Iteration1_Loop [2021-11-20 06:44:42,777 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:44:42,777 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:44:42,778 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 06:44:42,780 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 06:44:42,783 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 06:44:42,825 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:44:42,826 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 06:44:42,826 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:42,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:42,829 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:42,831 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:44:42,831 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:44:42,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-20 06:44:42,862 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:44:42,862 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:44:42,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:42,894 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:42,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:42,895 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:42,897 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:44:42,897 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:44:42,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-20 06:44:42,914 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:44:42,914 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_5=0} Honda state: {v_rep~unnamed0~0~false_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:44:42,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:42,948 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:42,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:42,949 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:42,951 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:44:42,951 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:44:42,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-20 06:44:43,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:43,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:43,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:43,019 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:43,021 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 06:44:43,021 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:44:43,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-20 06:44:43,093 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 06:44:43,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:43,096 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:44:43,097 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:44:43,097 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:44:43,097 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:44:43,097 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:44:43,097 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:43,097 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:44:43,097 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:44:43,097 INFO L133 ssoRankerPreferences]: Filename of dumped script: MirrorIntervSim.c_Iteration1_Loop [2021-11-20 06:44:43,097 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:44:43,097 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:44:43,098 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 06:44:43,102 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 06:44:43,104 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 06:44:43,150 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:44:43,150 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:44:43,150 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:43,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:43,151 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:43,154 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 06:44:43,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:43,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:43,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:43,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:44:43,165 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:44:43,165 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:44:43,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-20 06:44:43,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:43,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:43,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:43,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:43,215 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:43,216 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 06:44:43,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:43,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:43,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:43,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:44:43,227 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:44:43,227 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:44:43,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-20 06:44:43,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:43,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:43,276 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:43,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:43,277 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:43,279 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 06:44:43,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:43,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:43,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:43,288 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:44:43,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:44:43,289 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:44:43,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:43,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-20 06:44:43,302 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:43,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:43,337 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 06:44:43,337 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:43,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:43,338 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:43,339 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 06:44:43,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:43,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:43,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:43,349 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:44:43,355 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:44:43,355 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:44:43,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-20 06:44:43,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:43,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:43,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:43,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:43,417 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:43,419 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 06:44:43,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:43,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:43,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:43,429 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:44:43,431 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:44:43,431 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:44:43,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-20 06:44:43,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:43,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:43,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:43,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:43,461 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:43,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-20 06:44:43,462 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 06:44:43,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:43,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:43,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:43,470 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:44:43,470 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:44:43,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:44:43,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:43,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:43,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-11-20 06:44:43,494 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 06:44:43,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:43,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:43,495 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:43,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-11-20 06:44:43,496 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 06:44:43,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:43,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:43,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:43,504 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:43,508 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:44:43,508 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:44:43,512 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:43,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:43,532 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:43,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:43,532 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:43,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-11-20 06:44:43,535 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 06:44:43,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:43,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:43,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:43,542 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:43,545 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:44:43,545 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:44:43,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:43,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:43,572 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:43,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:43,573 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:43,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-11-20 06:44:43,574 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 06:44:43,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:43,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:43,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:43,581 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:44:43,581 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:43,583 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-20 06:44:43,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:43,586 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:43,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-11-20 06:44:43,606 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 06:44:43,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:43,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:43,607 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:43,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-11-20 06:44:43,608 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 06:44:43,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:43,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:43,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:43,615 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:44:43,617 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:44:43,618 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:44:43,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:43,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:43,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:43,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:43,650 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:43,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-11-20 06:44:43,655 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 06:44:43,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:43,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:43,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:43,662 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:44:43,678 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:44:43,678 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:44:43,690 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:43,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:43,716 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:43,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:43,717 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:43,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-11-20 06:44:43,718 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 06:44:43,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:44:43,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:43,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:43,726 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:44:43,726 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:44:43,728 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2021-11-20 06:44:43,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:43,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:43,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:43,753 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 06:44:43,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:43,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:43,754 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:43,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-11-20 06:44:43,755 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 06:44:43,762 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:43,762 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:44:43,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:43,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:43,763 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:44:43,764 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:44:43,764 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:44:43,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:43,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:43,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:43,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:43,799 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:43,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-11-20 06:44:43,800 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 06:44:43,807 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:43,807 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:44:43,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:43,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:43,807 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:44:43,811 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:44:43,811 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:44:43,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:43,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-11-20 06:44:43,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:43,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:43,835 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:43,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-11-20 06:44:43,837 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 06:44:43,844 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:43,844 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:44:43,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:43,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:43,844 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:44:43,844 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:44:43,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:44:43,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:43,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:43,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:43,874 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 06:44:43,874 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:43,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:43,874 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:43,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-11-20 06:44:43,875 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 06:44:43,883 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:43,883 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:44:43,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:43,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:43,883 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:43,885 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:44:43,886 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:44:43,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:43,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-11-20 06:44:43,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:43,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:43,926 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:43,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-11-20 06:44:43,927 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 06:44:43,935 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:43,935 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:44:43,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:43,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:43,935 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:43,938 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:44:43,938 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:44:43,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:43,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:43,964 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:43,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:43,965 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:43,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-11-20 06:44:43,966 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 06:44:43,973 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:43,973 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:44:43,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:43,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:43,973 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:44:43,973 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:43,976 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-20 06:44:43,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:43,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:44,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-11-20 06:44:44,003 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 06:44:44,003 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:44,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:44,004 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:44,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-11-20 06:44:44,005 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 06:44:44,013 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:44,013 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:44:44,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:44,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:44,013 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:44:44,017 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:44:44,017 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:44:44,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:44,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-11-20 06:44:44,074 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:44,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:44,075 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:44,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-11-20 06:44:44,084 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 06:44:44,091 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:44,091 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:44:44,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:44,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:44,091 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:44:44,095 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:44:44,095 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:44:44,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:44,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:44,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:44,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:44,146 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:44,148 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 06:44:44,158 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:44,158 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:44:44,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:44,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:44,158 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:44:44,158 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:44:44,162 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2021-11-20 06:44:44,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:44,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-11-20 06:44:44,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:44,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:44,221 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 06:44:44,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:44,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:44,223 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:44,224 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 06:44:44,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-11-20 06:44:44,232 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:44,232 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:44:44,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:44,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:44,233 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:44,234 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:44:44,234 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:44:44,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:44,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-11-20 06:44:44,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:44,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:44,258 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:44,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-11-20 06:44:44,260 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 06:44:44,267 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:44,267 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:44:44,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:44,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:44,267 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:44,269 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:44:44,269 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:44:44,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:44,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-11-20 06:44:44,292 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:44,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:44,293 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:44,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-11-20 06:44:44,294 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 06:44:44,301 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:44,301 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:44:44,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:44,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:44,301 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:44:44,302 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:44:44,303 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-20 06:44:44,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:44,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:44,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:44,327 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 06:44:44,327 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:44,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:44,328 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:44,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-11-20 06:44:44,329 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 06:44:44,336 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:44,336 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:44:44,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:44,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:44,336 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:44:44,339 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-20 06:44:44,339 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 06:44:44,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:44,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:44,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:44,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:44,365 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:44,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-11-20 06:44:44,367 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 06:44:44,374 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:44,374 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:44:44,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:44,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:44:44,374 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:44:44,377 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-20 06:44:44,377 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 06:44:44,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:44,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-11-20 06:44:44,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:44,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:44,403 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:44,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-11-20 06:44:44,405 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 06:44:44,412 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:44:44,412 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:44:44,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:44:44,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:44:44,412 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:44:44,413 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:44:44,416 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:44:44,416 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:44:44,426 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:44:44,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2021-11-20 06:44:44,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:44:44,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:44:44,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:44:44,474 INFO L87 Difference]: Start difference. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:44:44,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:44:44,491 INFO L93 Difference]: Finished difference Result 11 states and 14 transitions. [2021-11-20 06:44:44,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:44:44,498 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 14 transitions. [2021-11-20 06:44:44,499 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 06:44:44,501 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 6 states and 8 transitions. [2021-11-20 06:44:44,502 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-11-20 06:44:44,502 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-11-20 06:44:44,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 8 transitions. [2021-11-20 06:44:44,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:44:44,503 INFO L681 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2021-11-20 06:44:44,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 8 transitions. [2021-11-20 06:44:44,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2021-11-20 06:44:44,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 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 06:44:44,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2021-11-20 06:44:44,526 INFO L704 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2021-11-20 06:44:44,526 INFO L587 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2021-11-20 06:44:44,526 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 06:44:44,526 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. [2021-11-20 06:44:44,527 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 06:44:44,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:44:44,527 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:44:44,527 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 06:44:44,528 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 06:44:44,528 INFO L791 eck$LassoCheckResult]: Stem: 39#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 40#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 43#L10-1 [2021-11-20 06:44:44,528 INFO L793 eck$LassoCheckResult]: Loop: 43#L10-1 assume !!(0 != main_~i~0#1); 41#L10 assume -5 <= main_~i~0#1 && main_~i~0#1 <= 35; 42#L11 assume main_~i~0#1 < 0;main_~i~0#1 := -5; 43#L10-1 [2021-11-20 06:44:44,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:44:44,529 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2021-11-20 06:44:44,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:44:44,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926133575] [2021-11-20 06:44:44,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:44:44,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:44:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:44:44,532 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:44:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:44:44,535 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:44:44,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:44:44,535 INFO L85 PathProgramCache]: Analyzing trace with hash 40813, now seen corresponding path program 1 times [2021-11-20 06:44:44,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:44:44,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308458655] [2021-11-20 06:44:44,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:44:44,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:44:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:44:44,540 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:44:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:44:44,543 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:44:44,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:44:44,544 INFO L85 PathProgramCache]: Analyzing trace with hash 28699755, now seen corresponding path program 1 times [2021-11-20 06:44:44,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:44:44,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217074550] [2021-11-20 06:44:44,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:44:44,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:44:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:44:44,548 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:44:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:44:44,552 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:44:44,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:44:44 BoogieIcfgContainer [2021-11-20 06:44:44,597 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 06:44:44,598 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:44:44,598 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:44:44,598 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:44:44,599 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:44:36" (3/4) ... [2021-11-20 06:44:44,601 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-20 06:44:44,650 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 06:44:44,650 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:44:44,651 INFO L158 Benchmark]: Toolchain (without parser) took 8638.31ms. Allocated memory was 92.3MB in the beginning and 144.7MB in the end (delta: 52.4MB). Free memory was 56.3MB in the beginning and 44.7MB in the end (delta: 11.6MB). Peak memory consumption was 66.7MB. Max. memory is 16.1GB. [2021-11-20 06:44:44,651 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory was 65.1MB in the beginning and 65.1MB in the end (delta: 29.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:44:44,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.06ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 56.2MB in the beginning and 96.0MB in the end (delta: -39.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 06:44:44,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.33ms. Allocated memory is still 119.5MB. Free memory was 96.0MB in the beginning and 94.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:44:44,652 INFO L158 Benchmark]: Boogie Preprocessor took 17.66ms. Allocated memory is still 119.5MB. Free memory was 94.7MB in the beginning and 93.9MB in the end (delta: 755.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:44:44,652 INFO L158 Benchmark]: RCFGBuilder took 256.62ms. Allocated memory is still 119.5MB. Free memory was 93.9MB in the beginning and 85.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:44:44,653 INFO L158 Benchmark]: BuchiAutomizer took 8065.67ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 85.5MB in the beginning and 45.8MB in the end (delta: 39.7MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2021-11-20 06:44:44,653 INFO L158 Benchmark]: Witness Printer took 52.23ms. Allocated memory is still 144.7MB. Free memory was 45.8MB in the beginning and 44.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:44:44,655 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory was 65.1MB in the beginning and 65.1MB in the end (delta: 29.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206.06ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 56.2MB in the beginning and 96.0MB in the end (delta: -39.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.33ms. Allocated memory is still 119.5MB. Free memory was 96.0MB in the beginning and 94.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.66ms. Allocated memory is still 119.5MB. Free memory was 94.7MB in the beginning and 93.9MB in the end (delta: 755.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 256.62ms. Allocated memory is still 119.5MB. Free memory was 93.9MB in the beginning and 85.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 8065.67ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 85.5MB in the beginning and 45.8MB in the end (delta: 39.7MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. * Witness Printer took 52.23ms. Allocated memory is still 144.7MB. Free memory was 45.8MB in the beginning and 44.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 7.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 13 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax185 hnf100 lsp53 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq128 hnf94 smp100 dnf141 smp100 tf108 neg100 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 18ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 9]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {i=-5, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3fe9ae1b=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 9]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = __VERIFIER_nondet_int() Loop: [L9] COND TRUE i != 0 [L10] COND TRUE -5 <= i && i <= 35 [L11] COND TRUE i < 0 [L12] i = -5 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-20 06:44:44,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca768e-719a-490d-8946-d4c989287224/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)