./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/hard2-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/hard2-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G --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 32bit --witnessprinter.graph.data.programhash 23ac641bc90237de255e915a5ed362430f6ac59f0f6642be7f9d8479ff0a7576 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 12:18:05,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 12:18:05,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 12:18:05,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 12:18:05,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 12:18:05,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 12:18:05,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 12:18:05,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 12:18:05,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 12:18:05,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 12:18:05,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 12:18:05,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 12:18:05,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 12:18:05,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 12:18:05,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 12:18:05,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 12:18:05,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 12:18:05,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 12:18:05,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 12:18:05,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 12:18:05,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 12:18:05,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 12:18:05,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 12:18:05,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 12:18:05,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 12:18:05,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 12:18:05,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 12:18:05,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 12:18:05,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 12:18:05,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 12:18:05,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 12:18:05,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 12:18:05,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 12:18:05,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 12:18:05,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 12:18:05,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 12:18:05,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 12:18:05,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 12:18:05,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 12:18:05,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 12:18:05,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 12:18:05,660 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-23 12:18:05,712 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 12:18:05,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 12:18:05,714 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 12:18:05,714 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 12:18:05,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 12:18:05,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 12:18:05,717 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 12:18:05,717 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 12:18:05,717 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 12:18:05,718 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 12:18:05,719 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 12:18:05,719 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 12:18:05,720 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 12:18:05,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 12:18:05,720 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 12:18:05,720 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 12:18:05,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 12:18:05,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 12:18:05,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 12:18:05,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 12:18:05,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 12:18:05,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 12:18:05,722 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 12:18:05,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 12:18:05,723 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 12:18:05,723 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 12:18:05,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 12:18:05,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 12:18:05,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 12:18:05,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 12:18:05,726 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 12:18:05,727 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 12:18:05,728 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 12:18:05,728 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_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23ac641bc90237de255e915a5ed362430f6ac59f0f6642be7f9d8479ff0a7576 [2021-11-23 12:18:06,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 12:18:06,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 12:18:06,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 12:18:06,118 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 12:18:06,120 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 12:18:06,122 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/termination-nla/hard2-both-nt.c [2021-11-23 12:18:06,226 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/data/1584eede7/0cb4b84cb52549708f33f7fa78e7b580/FLAG64d1cc291 [2021-11-23 12:18:06,911 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 12:18:06,911 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/sv-benchmarks/c/termination-nla/hard2-both-nt.c [2021-11-23 12:18:06,927 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/data/1584eede7/0cb4b84cb52549708f33f7fa78e7b580/FLAG64d1cc291 [2021-11-23 12:18:07,262 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/data/1584eede7/0cb4b84cb52549708f33f7fa78e7b580 [2021-11-23 12:18:07,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 12:18:07,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 12:18:07,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 12:18:07,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 12:18:07,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 12:18:07,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:18:07" (1/1) ... [2021-11-23 12:18:07,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b6cc44e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:18:07, skipping insertion in model container [2021-11-23 12:18:07,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:18:07" (1/1) ... [2021-11-23 12:18:07,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 12:18:07,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 12:18:07,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:18:07,548 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 12:18:07,571 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:18:07,586 INFO L208 MainTranslator]: Completed translation [2021-11-23 12:18:07,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:18:07 WrapperNode [2021-11-23 12:18:07,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 12:18:07,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 12:18:07,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 12:18:07,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 12:18:07,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:18:07" (1/1) ... [2021-11-23 12:18:07,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:18:07" (1/1) ... [2021-11-23 12:18:07,628 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2021-11-23 12:18:07,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 12:18:07,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 12:18:07,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 12:18:07,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 12:18:07,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:18:07" (1/1) ... [2021-11-23 12:18:07,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:18:07" (1/1) ... [2021-11-23 12:18:07,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:18:07" (1/1) ... [2021-11-23 12:18:07,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:18:07" (1/1) ... [2021-11-23 12:18:07,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:18:07" (1/1) ... [2021-11-23 12:18:07,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:18:07" (1/1) ... [2021-11-23 12:18:07,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:18:07" (1/1) ... [2021-11-23 12:18:07,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 12:18:07,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 12:18:07,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 12:18:07,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 12:18:07,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:18:07" (1/1) ... [2021-11-23 12:18:07,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:07,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:07,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:07,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 12:18:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 12:18:07,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 12:18:07,828 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 12:18:07,831 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 12:18:08,003 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 12:18:08,012 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 12:18:08,012 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 12:18:08,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:18:08 BoogieIcfgContainer [2021-11-23 12:18:08,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 12:18:08,017 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 12:18:08,017 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 12:18:08,021 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 12:18:08,022 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 12:18:08,022 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 12:18:07" (1/3) ... [2021-11-23 12:18:08,024 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57e4ecde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:18:08, skipping insertion in model container [2021-11-23 12:18:08,025 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 12:18:08,025 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:18:07" (2/3) ... [2021-11-23 12:18:08,025 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57e4ecde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:18:08, skipping insertion in model container [2021-11-23 12:18:08,026 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 12:18:08,026 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:18:08" (3/3) ... [2021-11-23 12:18:08,028 INFO L388 chiAutomizerObserver]: Analyzing ICFG hard2-both-nt.c [2021-11-23 12:18:08,126 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 12:18:08,127 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 12:18:08,127 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 12:18:08,127 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 12:18:08,127 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 12:18:08,127 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 12:18:08,127 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 12:18:08,128 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 12:18:08,149 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 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) [2021-11-23 12:18:08,186 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-11-23 12:18:08,187 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:18:08,187 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:18:08,194 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-23 12:18:08,194 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-23 12:18:08,194 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-23 12:18:08,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 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) [2021-11-23 12:18:08,197 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-11-23 12:18:08,197 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:18:08,198 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:18:08,198 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-23 12:18:08,198 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-23 12:18:08,207 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~A~0#1, main_~B~0#1, main_~r~0#1, main_~d~0#1, main_~p~0#1, main_~q~0#1;havoc main_~A~0#1;havoc main_~B~0#1;havoc main_~r~0#1;havoc main_~d~0#1;havoc main_~p~0#1;havoc main_~q~0#1;main_~A~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~B~0#1 := 1;main_~r~0#1 := main_~A~0#1;main_~d~0#1 := main_~B~0#1;main_~p~0#1 := 1;main_~q~0#1 := 0; 10#L33-2true [2021-11-23 12:18:08,207 INFO L793 eck$LassoCheckResult]: Loop: 10#L33-2true assume !false; 12#L37true assume !!(main_~d~0#1 == main_~B~0#1 * main_~p~0#1);main_~d~0#1 := 2 * main_~d~0#1;main_~p~0#1 := 2 * main_~p~0#1; 10#L33-2true [2021-11-23 12:18:08,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:18:08,224 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-23 12:18:08,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:18:08,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069840637] [2021-11-23 12:18:08,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:18:08,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:18:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:18:08,342 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:18:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:18:08,382 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:18:08,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:18:08,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2021-11-23 12:18:08,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:18:08,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027422449] [2021-11-23 12:18:08,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:18:08,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:18:08,411 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:18:08,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [539622084] [2021-11-23 12:18:08,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:18:08,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:18:08,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:08,421 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:18:08,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 12:18:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:18:08,483 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:18:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:18:08,497 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:18:08,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:18:08,515 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2021-11-23 12:18:08,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:18:08,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10293413] [2021-11-23 12:18:08,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:18:08,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:18:08,523 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:18:08,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1516727011] [2021-11-23 12:18:08,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:18:08,524 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:18:08,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:08,552 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:18:08,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 12:18:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:18:08,664 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:18:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:18:08,681 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:18:08,878 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 12:18:08,879 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 12:18:08,879 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 12:18:08,880 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 12:18:08,880 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 12:18:08,880 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:08,881 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 12:18:08,881 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 12:18:08,881 INFO L133 ssoRankerPreferences]: Filename of dumped script: hard2-both-nt.c_Iteration1_Lasso [2021-11-23 12:18:08,881 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 12:18:08,883 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 12:18:08,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:18:08,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:18:08,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:18:08,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:18:08,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:18:09,106 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 12:18:09,107 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 12:18:09,112 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:09,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:09,133 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:09,136 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:18:09,136 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:18:09,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-23 12:18:09,171 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:18:09,171 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:18:09,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:09,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:09,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:09,216 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:09,224 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:18:09,224 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:18:09,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-23 12:18:09,260 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:18:09,260 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~A~0#1=0, ULTIMATE.start_main_~r~0#1=0} Honda state: {ULTIMATE.start_main_~A~0#1=0, ULTIMATE.start_main_~r~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:18:09,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-11-23 12:18:09,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:09,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:09,303 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:09,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-23 12:18:09,314 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:18:09,314 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:18:09,339 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:18:09,339 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:18:09,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:09,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:09,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:09,375 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:09,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-23 12:18:09,382 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:18:09,382 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:18:09,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-11-23 12:18:09,436 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:09,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:09,437 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:09,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-23 12:18:09,440 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 12:18:09,441 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:18:09,499 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-23 12:18:09,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:09,546 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 12:18:09,546 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 12:18:09,546 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 12:18:09,546 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 12:18:09,546 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 12:18:09,547 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:09,547 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 12:18:09,547 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 12:18:09,547 INFO L133 ssoRankerPreferences]: Filename of dumped script: hard2-both-nt.c_Iteration1_Lasso [2021-11-23 12:18:09,547 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 12:18:09,547 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 12:18:09,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:18:09,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:18:09,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:18:09,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:18:09,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:18:09,718 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 12:18:09,724 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 12:18:09,725 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:09,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:09,728 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:09,737 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 [2021-11-23 12:18:09,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:09,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:09,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:09,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:18:09,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-23 12:18:09,758 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:18:09,759 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:18:09,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:09,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:09,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:09,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:09,840 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:09,847 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 [2021-11-23 12:18:09,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:09,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:09,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:09,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:18:09,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:18:09,869 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:18:09,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-23 12:18:09,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:09,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:09,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:09,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:09,940 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:09,947 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 [2021-11-23 12:18:09,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:09,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:09,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:09,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:09,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:18:09,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:18:09,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:09,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-23 12:18:09,965 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:10,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:10,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:10,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:10,015 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:10,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-23 12:18:10,024 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 [2021-11-23 12:18:10,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:10,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:10,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:10,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:10,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:18:10,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:18:10,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:10,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:10,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:10,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:10,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:10,074 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:10,076 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 [2021-11-23 12:18:10,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-23 12:18:10,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:10,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:10,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:10,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:18:10,108 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:18:10,108 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:18:10,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:10,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:10,174 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-23 12:18:10,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:10,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:10,176 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:10,197 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 [2021-11-23 12:18:10,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:10,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:10,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:10,210 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:18:10,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-23 12:18:10,216 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-23 12:18:10,216 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-23 12:18:10,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:10,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:10,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:10,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:10,287 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:10,295 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 [2021-11-23 12:18:10,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:10,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:10,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:10,307 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:18:10,316 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-23 12:18:10,318 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-23 12:18:10,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-23 12:18:10,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:10,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:10,369 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:10,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:10,371 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:10,376 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 [2021-11-23 12:18:10,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-23 12:18:10,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:10,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:10,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:10,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:10,386 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:18:10,387 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:18:10,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:10,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:10,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-11-23 12:18:10,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:10,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:10,416 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:10,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-23 12:18:10,418 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 [2021-11-23 12:18:10,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:10,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:10,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:10,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:10,428 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:18:10,431 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:18:10,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:10,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:10,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-11-23 12:18:10,461 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:10,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:10,472 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:10,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-23 12:18:10,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:18:10,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:10,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:10,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:10,502 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:18:10,515 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-23 12:18:10,515 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-23 12:18:10,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:10,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:10,609 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-23 12:18:10,610 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:10,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:10,623 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:10,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-23 12:18:10,664 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 [2021-11-23 12:18:10,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:10,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:10,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:10,677 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:18:10,683 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:18:10,683 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 12:18:10,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:10,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:10,760 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:10,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:10,767 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:10,789 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 [2021-11-23 12:18:10,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-23 12:18:10,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:10,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:10,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:10,801 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:18:10,807 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:18:10,808 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 12:18:10,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:10,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:10,865 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:10,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:10,866 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:10,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-23 12:18:10,868 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 [2021-11-23 12:18:10,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:10,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:10,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:10,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:10,878 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:18:10,879 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:18:10,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:10,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:10,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:10,949 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:10,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:10,950 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:10,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-23 12:18:10,959 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 [2021-11-23 12:18:10,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:10,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:10,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:10,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:10,970 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:18:10,971 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:18:10,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:10,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:11,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-11-23 12:18:11,002 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:11,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:11,003 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:11,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-23 12:18:11,005 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 [2021-11-23 12:18:11,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:11,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:11,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:11,015 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:18:11,030 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:18:11,030 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 12:18:11,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:11,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:11,113 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-23 12:18:11,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:11,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:11,115 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:11,121 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 [2021-11-23 12:18:11,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:11,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:11,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:11,133 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:18:11,139 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-23 12:18:11,140 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-23 12:18:11,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-23 12:18:11,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:11,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-11-23 12:18:11,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:11,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:11,201 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:11,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-23 12:18:11,206 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 [2021-11-23 12:18:11,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:11,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:11,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:11,216 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:18:11,222 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-23 12:18:11,223 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-23 12:18:11,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:11,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:11,279 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:11,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:11,280 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:11,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-23 12:18:11,282 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 [2021-11-23 12:18:11,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:11,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:11,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:11,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:11,292 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:18:11,294 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:18:11,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:11,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:11,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-11-23 12:18:11,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:11,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:11,324 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:11,326 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 [2021-11-23 12:18:11,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-23 12:18:11,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:11,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:11,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:11,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:11,337 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:18:11,337 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:18:11,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:11,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:11,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:11,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:11,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:11,365 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:11,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-23 12:18:11,368 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 [2021-11-23 12:18:11,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:11,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:11,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:11,378 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:18:11,395 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-23 12:18:11,395 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-23 12:18:11,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:11,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:11,523 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-23 12:18:11,523 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:11,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:11,525 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:11,529 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 [2021-11-23 12:18:11,541 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:11,541 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:18:11,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:11,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:11,541 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:18:11,545 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-23 12:18:11,545 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-23 12:18:11,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-23 12:18:11,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:11,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:11,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:11,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:11,612 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:11,615 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 [2021-11-23 12:18:11,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-23 12:18:11,627 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:11,627 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:18:11,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:11,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:11,627 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:18:11,632 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-23 12:18:11,632 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-23 12:18:11,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:11,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:11,697 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:11,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:11,699 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:11,705 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 [2021-11-23 12:18:11,717 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:11,717 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:18:11,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:11,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:11,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:11,718 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:18:11,719 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:18:11,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:11,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-23 12:18:11,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:11,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:11,780 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:11,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:11,781 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:11,785 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 [2021-11-23 12:18:11,797 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:11,798 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:18:11,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:11,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:11,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:11,798 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:18:11,800 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:18:11,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:11,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-23 12:18:11,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:11,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:11,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:11,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:11,864 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:11,873 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 [2021-11-23 12:18:11,885 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:11,885 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:18:11,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:11,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:11,886 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:18:11,899 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-23 12:18:11,900 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-23 12:18:11,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-23 12:18:12,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:12,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:12,268 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-23 12:18:12,268 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:12,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:12,269 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:12,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-23 12:18:12,271 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 [2021-11-23 12:18:12,280 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:12,280 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:18:12,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:12,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:12,281 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:18:12,292 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:18:12,292 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 12:18:12,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:12,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:12,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:12,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:12,352 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:12,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-23 12:18:12,354 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 [2021-11-23 12:18:12,363 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:12,363 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:18:12,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:12,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:12,363 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:18:12,368 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:18:12,369 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 12:18:12,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:12,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-11-23 12:18:12,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:12,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:12,435 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:12,446 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 [2021-11-23 12:18:12,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-23 12:18:12,457 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:12,457 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:18:12,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:12,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:12,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:12,458 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:18:12,459 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:18:12,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:12,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:12,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:12,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:12,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:12,522 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:12,532 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 [2021-11-23 12:18:12,544 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:12,544 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:18:12,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:12,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:12,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:12,545 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:18:12,546 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:18:12,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:12,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-23 12:18:12,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:12,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:12,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:12,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:12,611 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:12,613 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 [2021-11-23 12:18:12,626 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:12,626 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:18:12,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:12,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:12,626 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:18:12,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-23 12:18:12,642 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:18:12,642 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 12:18:24,694 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2021-11-23 12:18:24,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-11-23 12:18:24,698 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-23 12:18:24,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:24,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:24,699 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:24,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-23 12:18:24,700 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 [2021-11-23 12:18:24,712 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:24,713 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:18:24,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:24,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:24,713 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:18:24,721 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-23 12:18:24,721 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-23 12:18:24,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:24,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:24,814 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:24,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:24,815 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:24,825 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 [2021-11-23 12:18:24,837 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:24,837 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:18:24,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:24,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:24,837 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:18:24,843 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-23 12:18:24,844 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-23 12:18:24,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-23 12:18:24,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:24,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:24,912 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:24,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:24,914 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:24,917 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 [2021-11-23 12:18:24,928 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:24,928 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:18:24,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:24,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:24,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:24,929 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:18:24,930 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:18:24,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:24,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-23 12:18:24,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:24,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:24,987 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:24,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:24,988 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:24,993 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 [2021-11-23 12:18:25,004 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:25,004 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:18:25,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:25,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:25,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:25,005 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:18:25,007 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:18:25,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:25,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-23 12:18:25,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:25,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-11-23 12:18:25,053 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:25,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:25,055 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:25,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-23 12:18:25,057 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 [2021-11-23 12:18:25,067 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:25,067 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:18:25,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:25,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:25,067 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:18:25,089 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-23 12:18:25,090 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-23 12:18:37,154 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2021-11-23 12:18:37,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-11-23 12:18:37,158 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-23 12:18:37,158 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:37,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:37,159 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:37,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-23 12:18:37,161 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 [2021-11-23 12:18:37,170 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:37,170 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:18:37,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:37,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:37,170 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:18:37,173 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:18:37,173 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 12:18:37,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:37,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:37,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:37,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:37,232 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:37,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-23 12:18:37,233 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 [2021-11-23 12:18:37,241 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:37,242 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:18:37,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:37,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:37,242 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:18:37,264 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:18:37,264 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 12:18:37,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:37,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-11-23 12:18:37,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:37,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:37,328 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:37,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-23 12:18:37,333 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 [2021-11-23 12:18:37,341 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:37,341 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:18:37,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:37,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:37,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:37,342 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:18:37,343 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:18:37,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:37,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:37,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:37,389 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:37,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:37,392 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:37,396 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 [2021-11-23 12:18:37,407 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:37,407 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:18:37,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:37,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:37,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:37,408 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:18:37,408 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:18:37,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:37,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-23 12:18:37,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:37,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:37,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:37,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:37,468 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:37,471 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 [2021-11-23 12:18:37,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-23 12:18:37,481 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:37,481 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:18:37,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:37,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:37,481 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:18:37,491 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:18:37,491 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 12:18:37,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:37,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-11-23 12:18:37,573 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-23 12:18:37,573 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:37,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:37,573 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:37,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-23 12:18:37,576 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 [2021-11-23 12:18:37,584 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:37,584 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:18:37,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:37,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:37,584 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:18:37,589 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-23 12:18:37,589 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-23 12:18:37,605 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:37,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-11-23 12:18:37,628 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:37,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:37,629 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:37,630 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 [2021-11-23 12:18:37,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-23 12:18:37,639 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:37,639 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:18:37,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:37,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:37,640 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:18:37,645 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-23 12:18:37,645 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-23 12:18:37,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:37,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:37,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:37,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:37,728 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:37,731 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 [2021-11-23 12:18:37,742 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:37,742 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:18:37,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:37,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:37,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:37,743 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:18:37,744 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:18:37,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:37,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-23 12:18:37,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:37,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:37,800 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:37,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:37,803 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:37,805 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 [2021-11-23 12:18:37,816 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:37,816 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:18:37,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:37,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:37,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:37,816 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:18:37,818 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:18:37,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:37,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-23 12:18:37,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:37,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:37,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:37,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:37,873 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:37,875 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 [2021-11-23 12:18:37,886 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:37,887 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:18:37,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:37,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:37,887 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:18:37,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-23 12:18:37,903 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-23 12:18:37,904 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-23 12:18:38,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:38,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:38,823 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-23 12:18:38,823 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~A~0#1, main_~B~0#1, main_~r~0#1, main_~d~0#1, main_~p~0#1, main_~q~0#1;havoc main_~A~0#1;havoc main_~B~0#1;havoc main_~r~0#1;havoc main_~d~0#1;havoc main_~p~0#1;havoc main_~q~0#1;main_~A~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~B~0#1 := 1;main_~r~0#1 := main_~A~0#1;main_~d~0#1 := main_~B~0#1;main_~p~0#1 := 1;main_~q~0#1 := 0; 10#L33-2true assume !false; 12#L37true assume !!(main_~d~0#1 == main_~B~0#1 * main_~p~0#1);main_~d~0#1 := 2 * main_~d~0#1;main_~p~0#1 := 2 * main_~p~0#1; 10#L33-2true [2021-11-23 12:18:38,823 INFO L793 eck$LassoCheckResult]: Loop: 10#L33-2true assume !false; 12#L37true assume !!(main_~d~0#1 == main_~B~0#1 * main_~p~0#1);main_~d~0#1 := 2 * main_~d~0#1;main_~p~0#1 := 2 * main_~p~0#1; 10#L33-2true [2021-11-23 12:18:38,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:18:38,824 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 2 times [2021-11-23 12:18:38,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:18:38,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971490888] [2021-11-23 12:18:38,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:18:38,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:18:38,829 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:18:38,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1429152868] [2021-11-23 12:18:38,829 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 12:18:38,829 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:18:38,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:38,838 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:18:38,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2021-11-23 12:18:38,860 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-23 12:18:38,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-23 12:18:38,860 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:18:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:18:38,868 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:18:38,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:18:38,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 2 times [2021-11-23 12:18:38,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:18:38,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945218816] [2021-11-23 12:18:38,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:18:38,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:18:38,871 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:18:38,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [33529780] [2021-11-23 12:18:38,872 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 12:18:38,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:18:38,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:38,879 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:18:38,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2021-11-23 12:18:38,901 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-23 12:18:38,901 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-23 12:18:38,902 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:18:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:18:38,905 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:18:38,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:18:38,906 INFO L85 PathProgramCache]: Analyzing trace with hash 889694157, now seen corresponding path program 3 times [2021-11-23 12:18:38,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:18:38,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939549347] [2021-11-23 12:18:38,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:18:38,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:18:38,910 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:18:38,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1904079186] [2021-11-23 12:18:38,911 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 12:18:38,911 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:18:38,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:38,914 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:18:38,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2021-11-23 12:18:38,961 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-23 12:18:38,961 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-23 12:18:38,961 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:18:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:18:38,969 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:18:39,090 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 12:18:39,090 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 12:18:39,090 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 12:18:39,090 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 12:18:39,090 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 12:18:39,091 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:39,091 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 12:18:39,091 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 12:18:39,091 INFO L133 ssoRankerPreferences]: Filename of dumped script: hard2-both-nt.c_Iteration1_Lasso [2021-11-23 12:18:39,091 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 12:18:39,091 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 12:18:39,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:18:39,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:18:39,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:18:39,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:18:39,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:18:39,214 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 12:18:39,215 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 12:18:39,215 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:39,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:39,217 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:39,219 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:18:39,219 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:18:39,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-23 12:18:39,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:39,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:39,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:39,287 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:39,292 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 12:18:39,292 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:18:39,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-23 12:18:39,327 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-23 12:18:39,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-11-23 12:18:39,350 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 12:18:39,350 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 12:18:39,350 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 12:18:39,350 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 12:18:39,350 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 12:18:39,350 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:39,350 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 12:18:39,350 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 12:18:39,350 INFO L133 ssoRankerPreferences]: Filename of dumped script: hard2-both-nt.c_Iteration1_Lasso [2021-11-23 12:18:39,350 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 12:18:39,351 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 12:18:39,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:18:39,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:18:39,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:18:39,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:18:39,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:18:39,482 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 12:18:39,482 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 12:18:39,482 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:39,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:39,484 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:39,492 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 [2021-11-23 12:18:39,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:39,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:39,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:39,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:18:39,509 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:18:39,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:18:39,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-23 12:18:39,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:39,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:39,560 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:39,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:39,562 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:39,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-23 12:18:39,563 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 [2021-11-23 12:18:39,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:39,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:39,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:39,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:39,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:18:39,571 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:18:39,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:39,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:39,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-11-23 12:18:39,593 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:39,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:39,594 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:39,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-23 12:18:39,596 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 [2021-11-23 12:18:39,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:39,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:39,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:39,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:18:39,604 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:18:39,604 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:18:39,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:39,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:39,650 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:39,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:39,651 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:39,653 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 [2021-11-23 12:18:39,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:39,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:39,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:39,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:39,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:18:39,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:18:39,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:39,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-23 12:18:39,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:39,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-11-23 12:18:39,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:39,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:39,701 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:39,710 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 [2021-11-23 12:18:39,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-23 12:18:39,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:39,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:39,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:39,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:18:39,721 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:18:39,721 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:18:39,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:39,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:39,780 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-23 12:18:39,780 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:39,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:39,781 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:39,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-23 12:18:39,782 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 [2021-11-23 12:18:39,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:39,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:39,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:39,790 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:18:39,793 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-23 12:18:39,793 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-23 12:18:39,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:39,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:39,846 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:39,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:39,847 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:39,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-23 12:18:39,848 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 [2021-11-23 12:18:39,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:39,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:39,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:39,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:39,856 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:18:39,856 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:18:39,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:39,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:39,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-11-23 12:18:39,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:39,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:39,880 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:39,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-23 12:18:39,882 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 [2021-11-23 12:18:39,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:39,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:39,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:39,893 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:18:39,895 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-23 12:18:39,896 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-23 12:18:39,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:39,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-11-23 12:18:39,949 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:39,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:39,949 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:39,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-23 12:18:39,951 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 [2021-11-23 12:18:39,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:39,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:39,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:39,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:39,959 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:18:39,960 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:18:39,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:39,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:40,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:40,012 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:40,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:40,014 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:40,024 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 [2021-11-23 12:18:40,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:40,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:40,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:40,034 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:18:40,042 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-23 12:18:40,042 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-23 12:18:40,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-23 12:18:40,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:40,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:40,104 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-23 12:18:40,105 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:40,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:40,108 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:40,110 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 [2021-11-23 12:18:40,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:40,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:40,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:40,120 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:18:40,123 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:18:40,123 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 12:18:40,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-23 12:18:40,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:40,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:40,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:40,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:40,155 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:40,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-23 12:18:40,156 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 [2021-11-23 12:18:40,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:40,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:40,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:40,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:40,164 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:18:40,165 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:18:40,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:40,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:40,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:40,199 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:40,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:40,200 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:40,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-23 12:18:40,201 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 [2021-11-23 12:18:40,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:40,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:40,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:40,209 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:18:40,211 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:18:40,211 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 12:18:40,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:40,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-11-23 12:18:40,245 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:40,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:40,246 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:40,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-23 12:18:40,248 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 [2021-11-23 12:18:40,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:40,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:40,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:40,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:40,256 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:18:40,257 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:18:40,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:40,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:40,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-11-23 12:18:40,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:40,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:40,282 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:40,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-23 12:18:40,283 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 [2021-11-23 12:18:40,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:40,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:40,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:40,292 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:18:40,298 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:18:40,298 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 12:18:40,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:40,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-11-23 12:18:40,344 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-23 12:18:40,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:40,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:40,345 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:40,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-23 12:18:40,347 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 [2021-11-23 12:18:40,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:40,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:40,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:40,356 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:18:40,358 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-23 12:18:40,359 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-23 12:18:40,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:40,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:40,390 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:40,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:40,391 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:40,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-23 12:18:40,393 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 [2021-11-23 12:18:40,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:40,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:40,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:40,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:40,402 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:18:40,403 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:18:40,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:40,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:40,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-11-23 12:18:40,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:40,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:40,426 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:40,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-23 12:18:40,427 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 [2021-11-23 12:18:40,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:40,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:40,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:40,438 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:18:40,441 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-23 12:18:40,441 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-23 12:18:40,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:40,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-11-23 12:18:40,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:40,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:40,472 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:40,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-23 12:18:40,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:18:40,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:40,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:40,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:40,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:40,489 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:18:40,490 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:18:40,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:40,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:40,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:40,513 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:40,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:40,514 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:40,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-23 12:18:40,515 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 [2021-11-23 12:18:40,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:18:40,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:40,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:40,524 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:18:40,532 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-23 12:18:40,532 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-23 12:18:40,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:40,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:40,660 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-23 12:18:40,660 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:40,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:40,661 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:40,670 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 [2021-11-23 12:18:40,681 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:40,682 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:18:40,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:40,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:40,682 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:18:40,684 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-23 12:18:40,685 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-23 12:18:40,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-23 12:18:40,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:40,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:40,740 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:40,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:40,741 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:40,745 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 [2021-11-23 12:18:40,755 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:40,755 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:18:40,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:40,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:40,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:40,756 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:18:40,757 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:18:40,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:40,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-23 12:18:40,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:40,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:40,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:40,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:40,811 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:40,813 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 [2021-11-23 12:18:40,823 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:40,823 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:18:40,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:40,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:40,824 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:18:40,826 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-23 12:18:40,826 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-23 12:18:40,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-23 12:18:40,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:40,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:40,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:40,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:40,882 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:40,883 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 [2021-11-23 12:18:40,894 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:40,894 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:18:40,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:40,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:40,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:40,895 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:18:40,895 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:18:40,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:40,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-23 12:18:40,905 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:40,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:40,946 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:40,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:40,947 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:40,949 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 [2021-11-23 12:18:40,961 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:40,961 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:18:40,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:40,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:40,961 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:18:40,968 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-23 12:18:40,968 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-23 12:18:40,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-23 12:18:41,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:41,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:41,480 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-23 12:18:41,481 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:41,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:41,482 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:41,485 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 [2021-11-23 12:18:41,496 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:41,496 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:18:41,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:41,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:41,496 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:18:41,499 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:18:41,500 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 12:18:41,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-23 12:18:41,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:41,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-11-23 12:18:41,553 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:41,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:41,553 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:41,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-23 12:18:41,555 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 [2021-11-23 12:18:41,563 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:41,563 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:18:41,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:41,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:41,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:41,564 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:18:41,564 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:18:41,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:41,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:41,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-11-23 12:18:41,589 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:41,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:41,590 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:41,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-23 12:18:41,592 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 [2021-11-23 12:18:41,601 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:41,601 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:18:41,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:41,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:41,601 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:18:41,603 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:18:41,603 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 12:18:41,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:41,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:41,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:41,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:41,633 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:41,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-23 12:18:41,635 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 [2021-11-23 12:18:41,643 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:41,643 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:18:41,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:41,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:41,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:41,643 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:18:41,645 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:18:41,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:41,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:41,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:41,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:41,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:41,708 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:41,710 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 [2021-11-23 12:18:41,721 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:41,721 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:18:41,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:41,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:41,722 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:18:41,732 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:18:41,732 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 12:18:41,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-23 12:18:53,798 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2021-11-23 12:18:53,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-11-23 12:18:53,801 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-23 12:18:53,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:53,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:53,802 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:53,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-23 12:18:53,803 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 [2021-11-23 12:18:53,811 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:53,811 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:18:53,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:53,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:53,811 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:18:53,815 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-23 12:18:53,815 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-23 12:18:53,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:53,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:53,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:53,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:53,881 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:53,900 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 [2021-11-23 12:18:53,909 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:53,910 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:18:53,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:53,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:53,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:53,910 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:18:53,911 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:18:53,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:53,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-23 12:18:53,923 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:53,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:53,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:53,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:53,959 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:53,964 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 [2021-11-23 12:18:53,974 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:53,974 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:18:53,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:53,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:53,974 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:18:53,977 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-23 12:18:53,978 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-23 12:18:53,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-11-23 12:18:53,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:54,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:54,028 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:54,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:54,029 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:54,031 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 [2021-11-23 12:18:54,042 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:54,042 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:18:54,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:18:54,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:54,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:54,043 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:18:54,044 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:18:54,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:18:54,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-11-23 12:18:54,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:18:54,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-11-23 12:18:54,090 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:18:54,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:18:54,091 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:18:54,093 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 [2021-11-23 12:18:54,103 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:18:54,103 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:18:54,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:18:54,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:18:54,104 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:18:54,121 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-23 12:18:54,122 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-23 12:18:54,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-11-23 12:19:06,192 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2021-11-23 12:19:06,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-11-23 12:19:06,196 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-23 12:19:06,196 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:19:06,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:19:06,197 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:19:06,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-11-23 12:19:06,198 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 [2021-11-23 12:19:06,205 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:19:06,205 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:19:06,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:19:06,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:19:06,205 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:19:06,207 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:19:06,208 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 12:19:06,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:19:06,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-11-23 12:19:06,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:19:06,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:19:06,238 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:19:06,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-11-23 12:19:06,239 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 [2021-11-23 12:19:06,246 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:19:06,247 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:19:06,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:19:06,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:19:06,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:19:06,247 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:19:06,247 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:19:06,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:19:06,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:19:06,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-11-23 12:19:06,269 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:19:06,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:19:06,270 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:19:06,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-11-23 12:19:06,271 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 [2021-11-23 12:19:06,278 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:19:06,279 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:19:06,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:19:06,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:19:06,279 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:19:06,281 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:19:06,281 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 12:19:06,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:19:06,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-11-23 12:19:06,305 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:19:06,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:19:06,305 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:19:06,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-11-23 12:19:06,306 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 [2021-11-23 12:19:06,314 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:19:06,314 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:19:06,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:19:06,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:19:06,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:19:06,314 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:19:06,315 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:19:06,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:19:06,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:19:06,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-11-23 12:19:06,341 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:19:06,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:19:06,342 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:19:06,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-11-23 12:19:06,343 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 [2021-11-23 12:19:06,352 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:19:06,352 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:19:06,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:19:06,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:19:06,352 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:19:06,365 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:19:06,365 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 12:19:06,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:19:06,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-11-23 12:19:06,536 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-23 12:19:06,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:19:06,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:19:06,537 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:19:06,538 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 [2021-11-23 12:19:06,548 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:19:06,548 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:19:06,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:19:06,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:19:06,549 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:19:06,553 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-23 12:19:06,554 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-23 12:19:06,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-11-23 12:19:06,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:19:06,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-11-23 12:19:06,612 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:19:06,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:19:06,613 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:19:06,620 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 [2021-11-23 12:19:06,629 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:19:06,630 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:19:06,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:19:06,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:19:06,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:19:06,630 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:19:06,631 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:19:06,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:19:06,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-11-23 12:19:06,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:19:06,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-11-23 12:19:06,675 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:19:06,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:19:06,676 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:19:06,678 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 [2021-11-23 12:19:06,688 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:19:06,688 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:19:06,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:19:06,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:19:06,689 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:19:06,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-11-23 12:19:06,692 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-23 12:19:06,692 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-23 12:19:06,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:19:06,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-11-23 12:19:06,744 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:19:06,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:19:06,745 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:19:06,746 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 [2021-11-23 12:19:06,756 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:19:06,756 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:19:06,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:19:06,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:19:06,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:19:06,757 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:19:06,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-11-23 12:19:06,760 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:19:06,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:19:06,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:19:06,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-11-23 12:19:06,815 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:19:06,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:19:06,820 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:19:06,822 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 [2021-11-23 12:19:06,832 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:19:06,832 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:19:06,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:19:06,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:19:06,832 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:19:06,844 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-23 12:19:06,844 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-23 12:19:06,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-11-23 12:19:07,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:19:07,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-11-23 12:19:07,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 12:19:07 BoogieIcfgContainer [2021-11-23 12:19:07,647 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-23 12:19:07,647 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 12:19:07,647 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 12:19:07,647 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 12:19:07,648 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:18:08" (3/4) ... [2021-11-23 12:19:07,651 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 12:19:07,651 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 12:19:07,653 INFO L158 Benchmark]: Toolchain (without parser) took 60383.16ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 53.8MB in the beginning and 42.0MB in the end (delta: 11.8MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2021-11-23 12:19:07,653 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 90.2MB. Free memory was 70.1MB in the beginning and 70.1MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 12:19:07,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.83ms. Allocated memory is still 90.2MB. Free memory was 53.6MB in the beginning and 68.3MB in the end (delta: -14.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 12:19:07,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.47ms. Allocated memory is still 90.2MB. Free memory was 68.3MB in the beginning and 66.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 12:19:07,654 INFO L158 Benchmark]: Boogie Preprocessor took 27.59ms. Allocated memory is still 90.2MB. Free memory was 66.8MB in the beginning and 65.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 12:19:07,655 INFO L158 Benchmark]: RCFGBuilder took 356.63ms. Allocated memory is still 90.2MB. Free memory was 65.8MB in the beginning and 57.6MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 12:19:07,655 INFO L158 Benchmark]: BuchiAutomizer took 59629.42ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 57.4MB in the beginning and 42.0MB in the end (delta: 15.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2021-11-23 12:19:07,656 INFO L158 Benchmark]: Witness Printer took 4.23ms. Allocated memory is still 115.3MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 12:19:07,658 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 90.2MB. Free memory was 70.1MB in the beginning and 70.1MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.83ms. Allocated memory is still 90.2MB. Free memory was 53.6MB in the beginning and 68.3MB in the end (delta: -14.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.47ms. Allocated memory is still 90.2MB. Free memory was 68.3MB in the beginning and 66.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.59ms. Allocated memory is still 90.2MB. Free memory was 66.8MB in the beginning and 65.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 356.63ms. Allocated memory is still 90.2MB. Free memory was 65.8MB in the beginning and 57.6MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 59629.42ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 57.4MB in the beginning and 42.0MB in the end (delta: 15.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 4.23ms. Allocated memory is still 115.3MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 59.5s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 59.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital34 mio100 ax100 hnf100 lsp82 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq214 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unknown Degree: 3 Time: 12102ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 5 MotzkinApplications: 15 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~A~0#1, main_~B~0#1, main_~r~0#1, main_~d~0#1, main_~p~0#1, main_~q~0#1;havoc main_~A~0#1;havoc main_~B~0#1;havoc main_~r~0#1;havoc main_~d~0#1;havoc main_~p~0#1;havoc main_~q~0#1;main_~A~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~B~0#1 := 1;main_~r~0#1 := main_~A~0#1;main_~d~0#1 := main_~B~0#1;main_~p~0#1 := 1;main_~q~0#1 := 0;" "assume !false;" "assume !!(main_~d~0#1 == main_~B~0#1 * main_~p~0#1);main_~d~0#1 := 2 * main_~d~0#1;main_~p~0#1 := 2 * main_~p~0#1;" Loop: "assume !false;" "assume !!(main_~d~0#1 == main_~B~0#1 * main_~p~0#1);main_~d~0#1 := 2 * main_~d~0#1;main_~p~0#1 := 2 * main_~p~0#1;" RESULT: Ultimate could not prove your program: unable to determine termination [2021-11-23 12:19:07,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Forceful destruction successful, exit code 0 [2021-11-23 12:19:07,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Ended with exit code 0 [2021-11-23 12:19:08,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Forceful destruction successful, exit code 0 [2021-11-23 12:19:08,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-23 12:19:08,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-23 12:19:08,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e76e698-a11d-4ddd-b088-114bef740a06/bin/uautomizer-wIGwrQj20G/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN