./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/prod4br-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/prod4br-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2d13d882044123fbb613949ca1decff2dd9613cf75fc90bc80d422711d51a35d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:17:32,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:17:32,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:17:32,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:17:32,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:17:32,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:17:32,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:17:32,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:17:32,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:17:32,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:17:32,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:17:32,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:17:32,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:17:32,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:17:32,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:17:32,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:17:32,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:17:32,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:17:32,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:17:32,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:17:32,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:17:32,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:17:32,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:17:32,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:17:32,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:17:32,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:17:32,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:17:32,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:17:32,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:17:32,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:17:32,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:17:32,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:17:32,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:17:32,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:17:32,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:17:32,720 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:17:32,721 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:17:32,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:17:32,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:17:32,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:17:32,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:17:32,726 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 06:17:32,757 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:17:32,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:17:32,758 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:17:32,758 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:17:32,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:17:32,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:17:32,760 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:17:32,761 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:17:32,761 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:17:32,761 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:17:32,762 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:17:32,762 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:17:32,762 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:17:32,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:17:32,763 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:17:32,763 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:17:32,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:17:32,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:17:32,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:17:32,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:17:32,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:17:32,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:17:32,765 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:17:32,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:17:32,766 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:17:32,766 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:17:32,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:17:32,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:17:32,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:17:32,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:17:32,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:17:32,768 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:17:32,769 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:17:32,770 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_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d13d882044123fbb613949ca1decff2dd9613cf75fc90bc80d422711d51a35d [2021-11-20 06:17:33,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:17:33,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:17:33,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:17:33,108 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:17:33,109 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:17:33,110 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-nla/prod4br-both-nt.c [2021-11-20 06:17:33,176 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/data/73f1b491b/76a34bfc372245e7a85354957cd4da25/FLAG962f66997 [2021-11-20 06:17:33,717 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:17:33,717 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/sv-benchmarks/c/termination-nla/prod4br-both-nt.c [2021-11-20 06:17:33,731 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/data/73f1b491b/76a34bfc372245e7a85354957cd4da25/FLAG962f66997 [2021-11-20 06:17:34,082 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/data/73f1b491b/76a34bfc372245e7a85354957cd4da25 [2021-11-20 06:17:34,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:17:34,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:17:34,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:17:34,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:17:34,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:17:34,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:17:34" (1/1) ... [2021-11-20 06:17:34,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cdc9a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:34, skipping insertion in model container [2021-11-20 06:17:34,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:17:34" (1/1) ... [2021-11-20 06:17:34,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:17:34,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:17:34,318 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:17:34,321 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:17:34,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:17:34,350 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:17:34,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:34 WrapperNode [2021-11-20 06:17:34,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:17:34,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:17:34,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:17:34,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:17:34,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:34" (1/1) ... [2021-11-20 06:17:34,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:34" (1/1) ... [2021-11-20 06:17:34,390 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2021-11-20 06:17:34,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:17:34,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:17:34,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:17:34,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:17:34,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:34" (1/1) ... [2021-11-20 06:17:34,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:34" (1/1) ... [2021-11-20 06:17:34,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:34" (1/1) ... [2021-11-20 06:17:34,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:34" (1/1) ... [2021-11-20 06:17:34,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:34" (1/1) ... [2021-11-20 06:17:34,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:34" (1/1) ... [2021-11-20 06:17:34,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:34" (1/1) ... [2021-11-20 06:17:34,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:17:34,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:17:34,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:17:34,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:17:34,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:34" (1/1) ... [2021-11-20 06:17:34,429 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:34,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:34,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:34,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:17:34,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:17:34,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:17:34,580 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:17:34,582 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:17:34,811 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:17:34,820 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:17:34,827 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 06:17:34,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:17:34 BoogieIcfgContainer [2021-11-20 06:17:34,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:17:34,846 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:17:34,846 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:17:34,851 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:17:34,852 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:17:34,852 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:17:34" (1/3) ... [2021-11-20 06:17:34,854 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5dfa8b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:17:34, skipping insertion in model container [2021-11-20 06:17:34,854 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:17:34,855 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:34" (2/3) ... [2021-11-20 06:17:34,855 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5dfa8b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:17:34, skipping insertion in model container [2021-11-20 06:17:34,855 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:17:34,856 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:17:34" (3/3) ... [2021-11-20 06:17:34,857 INFO L388 chiAutomizerObserver]: Analyzing ICFG prod4br-both-nt.c [2021-11-20 06:17:34,927 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:17:34,942 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:17:34,943 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:17:34,943 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:17:34,943 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:17:34,943 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:17:34,943 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:17:34,944 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:17:34,959 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:17:34,981 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-20 06:17:34,981 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:17:34,982 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:17:34,991 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 06:17:34,992 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 06:17:34,993 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 06:17:34,993 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:17:34,995 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-20 06:17:34,996 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:17:34,996 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:17:34,997 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 06:17:34,997 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 06:17:35,005 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1, main_~a~0#1, main_~b~0#1, main_~p~0#1, main_~q~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~p~0#1;havoc main_~q~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 5#L27true assume !(main_~y~0#1 < 1);main_~a~0#1 := main_~x~0#1;main_~b~0#1 := main_~y~0#1;main_~p~0#1 := 1;main_~q~0#1 := 0; 8#L49-2true [2021-11-20 06:17:35,006 INFO L793 eck$LassoCheckResult]: Loop: 8#L49-2true assume !false; 14#L39true assume !!(main_~q~0#1 + main_~a~0#1 * main_~b~0#1 * main_~p~0#1 == main_~x~0#1 * main_~y~0#1); 11#L42true assume 0 == (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then main_~a~0#1 % 2 - 2 else main_~a~0#1 % 2) && 0 == (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then main_~b~0#1 % 2 - 2 else main_~b~0#1 % 2);main_~a~0#1 := (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then 1 + main_~a~0#1 / 2 else main_~a~0#1 / 2);main_~b~0#1 := (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then 1 + main_~b~0#1 / 2 else main_~b~0#1 / 2);main_~p~0#1 := 4 * main_~p~0#1; 8#L49-2true [2021-11-20 06:17:35,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:17:35,020 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-11-20 06:17:35,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:17:35,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348356864] [2021-11-20 06:17:35,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:17:35,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:17:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:17:35,148 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:17:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:17:35,207 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:17:35,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:17:35,214 INFO L85 PathProgramCache]: Analyzing trace with hash 45842, now seen corresponding path program 1 times [2021-11-20 06:17:35,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:17:35,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583473985] [2021-11-20 06:17:35,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:17:35,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:17:35,229 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:17:35,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [41952772] [2021-11-20 06:17:35,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:17:35,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:17:35,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:35,235 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:17:35,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 06:17:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:17:35,314 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:17:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:17:35,327 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:17:35,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:17:35,329 INFO L85 PathProgramCache]: Analyzing trace with hash 889575311, now seen corresponding path program 1 times [2021-11-20 06:17:35,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:17:35,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11614525] [2021-11-20 06:17:35,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:17:35,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:17:35,337 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:17:35,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1789595219] [2021-11-20 06:17:35,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:17:35,338 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:17:35,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:35,341 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:17:35,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 06:17:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:17:35,397 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:17:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:17:35,408 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:17:35,686 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:17:35,687 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:17:35,687 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:17:35,687 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:17:35,687 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 06:17:35,687 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:35,688 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:17:35,688 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:17:35,688 INFO L133 ssoRankerPreferences]: Filename of dumped script: prod4br-both-nt.c_Iteration1_Lasso [2021-11-20 06:17:35,688 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:17:35,688 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:17:35,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:17:35,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:17:35,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:17:35,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:17:36,039 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:17:36,040 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 06:17:36,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:36,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:36,073 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:36,079 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:17:36,079 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:17:36,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 06:17:36,102 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:17:36,102 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:17:36,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-11-20 06:17:36,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:36,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:36,154 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:36,159 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:17:36,159 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:17:36,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 06:17:36,173 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:17:36,173 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:17:36,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-11-20 06:17:36,196 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:36,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:36,197 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:36,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 06:17:36,199 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:17:36,199 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:17:36,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-11-20 06:17:36,255 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:36,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:36,256 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:36,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 06:17:36,258 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 06:17:36,262 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:17:36,299 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 06:17:36,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:36,319 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:17:36,320 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:17:36,320 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:17:36,320 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:17:36,320 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:17:36,321 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:36,321 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:17:36,321 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:17:36,321 INFO L133 ssoRankerPreferences]: Filename of dumped script: prod4br-both-nt.c_Iteration1_Lasso [2021-11-20 06:17:36,321 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:17:36,321 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:17:36,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:17:36,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:17:36,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:17:36,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:17:36,549 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:17:36,554 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:17:36,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:36,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:36,563 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:36,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:36,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:36,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:36,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:36,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:36,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:17:36,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:17:36,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:36,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 06:17:36,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:36,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:36,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:36,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:36,647 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:36,653 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 [2021-11-20 06:17:36,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:36,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:36,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:36,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:17:36,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 06:17:36,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:17:36,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:17:36,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:36,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:36,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:36,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:36,769 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:36,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:36,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:36,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:36,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:36,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:36,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:17:36,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:17:36,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:36,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 06:17:36,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:36,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:36,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:36,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:36,833 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:36,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:36,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:36,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:36,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:36,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:36,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:17:36,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:17:36,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:36,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 06:17:36,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:36,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:36,906 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 06:17:36,906 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:36,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:36,908 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:36,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 06:17:36,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:36,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:36,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:36,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:36,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:36,926 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:17:36,927 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:17:36,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:36,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:36,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-11-20 06:17:36,963 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:36,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:36,965 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:36,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 06:17:36,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:36,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:36,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:36,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:36,979 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:17:37,003 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:17:37,003 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:17:37,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:37,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:37,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:37,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:37,072 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:37,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:37,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:37,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:37,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:37,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:37,096 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:17:37,097 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:17:37,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:37,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 06:17:37,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:37,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:37,158 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:37,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:37,163 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:37,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 06:17:37,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:37,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:37,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:37,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:37,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:37,188 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:17:37,190 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:17:37,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:37,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:37,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:37,257 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 06:17:37,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:37,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:37,259 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:37,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 06:17:37,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:37,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:37,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:37,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:37,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:37,278 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:17:37,279 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:17:37,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:37,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:37,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:37,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:37,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:37,318 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:37,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 06:17:37,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:37,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:37,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:37,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:37,342 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:17:37,373 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:17:37,373 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:17:37,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:37,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:37,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:37,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:37,464 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:37,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 06:17:37,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:37,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:37,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:37,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:37,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:37,481 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:17:37,482 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:17:37,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:37,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:37,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:37,555 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:37,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:37,557 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:37,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:37,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:37,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:37,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:37,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:37,580 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:17:37,581 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:17:37,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:37,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 06:17:37,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:37,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:37,635 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 06:17:37,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:37,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:37,636 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:37,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:37,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:37,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:37,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:37,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:37,661 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:17:37,662 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:17:37,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:37,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 06:17:37,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:37,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:37,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:37,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:37,725 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:37,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:37,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:37,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:37,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:37,746 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:17:37,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 06:17:37,779 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:17:37,779 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:17:37,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:37,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:37,887 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:37,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:37,888 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:37,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:37,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:37,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:37,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:37,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:37,908 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:17:37,909 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:17:37,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:37,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 06:17:37,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:37,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:37,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:37,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:37,973 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:37,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:37,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:37,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:37,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:37,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:37,986 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:17:37,987 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:17:37,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:37,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 06:17:38,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:38,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:38,036 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 06:17:38,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:38,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:38,039 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:38,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 06:17:38,057 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 [2021-11-20 06:17:38,067 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:38,068 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:17:38,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:38,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:38,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:38,068 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:17:38,070 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:17:38,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:38,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:38,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:38,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:38,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:38,130 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:38,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:38,148 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:38,148 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:17:38,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:38,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:38,149 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:17:38,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 06:17:38,191 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:17:38,191 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:17:38,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:38,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-11-20 06:17:38,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:38,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:38,382 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:38,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 06:17:38,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:38,395 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:38,395 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:17:38,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:38,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:38,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:38,395 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:17:38,397 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:17:38,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:38,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:38,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-11-20 06:17:38,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:38,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:38,447 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:38,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:38,461 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:38,461 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:17:38,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:38,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:38,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:38,462 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:17:38,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 06:17:38,463 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:17:38,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:38,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:38,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-11-20 06:17:38,489 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 06:17:38,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:38,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:38,490 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:38,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:38,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 06:17:38,502 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:38,502 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:17:38,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:38,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:38,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:38,503 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:17:38,504 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:17:38,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:38,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:38,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:38,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:38,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:38,580 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:38,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:38,596 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:38,597 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:17:38,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:38,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:38,597 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:17:38,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 06:17:38,627 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:17:38,627 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:17:38,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:38,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:38,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:38,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:38,905 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:38,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:38,921 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:38,921 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:17:38,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:38,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:38,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:38,922 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:17:38,923 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:17:38,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:38,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 06:17:38,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:38,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:38,982 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:38,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:38,987 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:38,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:39,001 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:39,002 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:17:39,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:39,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:39,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:39,002 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:17:39,004 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:17:39,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:39,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 06:17:39,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:39,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:39,064 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 06:17:39,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:39,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:39,065 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:39,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:39,080 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:39,080 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:17:39,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:39,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:39,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:39,080 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:17:39,082 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:17:39,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:39,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 06:17:39,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:39,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:39,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:39,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:39,141 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:39,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 06:17:39,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:39,159 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:39,159 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:17:39,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:39,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:39,159 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:17:39,202 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:17:39,202 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:17:39,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:39,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-11-20 06:17:39,960 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:39,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:39,961 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:39,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 06:17:39,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:39,970 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:39,970 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:17:39,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:39,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:39,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:39,971 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:17:39,973 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:17:39,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:39,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:40,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-11-20 06:17:40,028 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:40,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:40,029 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:40,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:40,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 06:17:40,044 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:40,044 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:17:40,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:40,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:40,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:40,045 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:17:40,047 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:17:40,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:40,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:40,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:40,111 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 06:17:40,112 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:40,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:40,115 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:40,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:40,127 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:40,127 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:17:40,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:40,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:40,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:40,127 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:17:40,128 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:17:40,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:40,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 06:17:40,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:40,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:40,178 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:40,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:40,179 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:40,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-20 06:17:40,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:40,188 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:40,188 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:17:40,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:40,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:40,188 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:17:40,207 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:17:40,207 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:17:40,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:40,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:40,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:40,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:40,300 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:40,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:40,317 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:40,317 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:17:40,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:40,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:40,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:40,318 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:17:40,318 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:17:40,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:40,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 06:17:40,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:40,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:40,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:40,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:40,368 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:40,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:40,379 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:40,379 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:17:40,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:40,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:40,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:40,380 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:17:40,381 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:17:40,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:40,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-20 06:17:40,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:40,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:40,432 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 06:17:40,432 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:40,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:40,435 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:40,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:40,453 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:40,453 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:17:40,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:40,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:40,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:40,454 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:17:40,455 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:17:40,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:40,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:40,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-20 06:17:40,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:40,526 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:40,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:40,527 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:40,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:40,542 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:40,542 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:17:40,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:40,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:40,543 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:17:40,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-20 06:17:40,581 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-20 06:17:40,582 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 06:17:41,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:41,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:41,309 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:41,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:41,310 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:41,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-20 06:17:41,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:41,318 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:41,318 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:17:41,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:41,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:41,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:41,319 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:17:41,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:17:41,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:41,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:41,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-11-20 06:17:41,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:41,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:41,352 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:41,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-20 06:17:41,354 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 [2021-11-20 06:17:41,361 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:41,361 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:17:41,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:41,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:41,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:41,361 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:17:41,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:17:41,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:41,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:41,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-11-20 06:17:41,388 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-20 06:17:41,388 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1, main_~a~0#1, main_~b~0#1, main_~p~0#1, main_~q~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~p~0#1;havoc main_~q~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 5#L27true assume !(main_~y~0#1 < 1);main_~a~0#1 := main_~x~0#1;main_~b~0#1 := main_~y~0#1;main_~p~0#1 := 1;main_~q~0#1 := 0; 8#L49-2true assume !false; 14#L39true assume !!(main_~q~0#1 + main_~a~0#1 * main_~b~0#1 * main_~p~0#1 == main_~x~0#1 * main_~y~0#1); 11#L42true assume 0 == (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then main_~a~0#1 % 2 - 2 else main_~a~0#1 % 2) && 0 == (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then main_~b~0#1 % 2 - 2 else main_~b~0#1 % 2);main_~a~0#1 := (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then 1 + main_~a~0#1 / 2 else main_~a~0#1 / 2);main_~b~0#1 := (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then 1 + main_~b~0#1 / 2 else main_~b~0#1 / 2);main_~p~0#1 := 4 * main_~p~0#1; 8#L49-2true [2021-11-20 06:17:41,388 INFO L793 eck$LassoCheckResult]: Loop: 8#L49-2true assume !false; 14#L39true assume !!(main_~q~0#1 + main_~a~0#1 * main_~b~0#1 * main_~p~0#1 == main_~x~0#1 * main_~y~0#1); 11#L42true assume 0 == (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then main_~a~0#1 % 2 - 2 else main_~a~0#1 % 2) && 0 == (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then main_~b~0#1 % 2 - 2 else main_~b~0#1 % 2);main_~a~0#1 := (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then 1 + main_~a~0#1 / 2 else main_~a~0#1 / 2);main_~b~0#1 := (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then 1 + main_~b~0#1 / 2 else main_~b~0#1 / 2);main_~p~0#1 := 4 * main_~p~0#1; 8#L49-2true [2021-11-20 06:17:41,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:17:41,389 INFO L85 PathProgramCache]: Analyzing trace with hash 889575311, now seen corresponding path program 2 times [2021-11-20 06:17:41,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:17:41,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78029709] [2021-11-20 06:17:41,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:17:41,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:17:41,395 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:17:41,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2102061763] [2021-11-20 06:17:41,396 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:17:41,396 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:17:41,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:41,397 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:17:41,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2021-11-20 06:17:41,448 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 06:17:41,448 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 06:17:41,449 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:17:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:17:41,457 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:17:41,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:17:41,458 INFO L85 PathProgramCache]: Analyzing trace with hash 45842, now seen corresponding path program 2 times [2021-11-20 06:17:41,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:17:41,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757646690] [2021-11-20 06:17:41,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:17:41,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:17:41,461 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:17:41,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1395197225] [2021-11-20 06:17:41,461 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:17:41,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:17:41,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:41,467 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:17:41,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2021-11-20 06:17:41,488 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 06:17:41,488 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 06:17:41,489 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:17:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:17:41,494 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:17:41,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:17:41,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1389889732, now seen corresponding path program 3 times [2021-11-20 06:17:41,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:17:41,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490014489] [2021-11-20 06:17:41,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:17:41,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:17:41,499 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:17:41,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1427131992] [2021-11-20 06:17:41,500 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 06:17:41,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:17:41,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:41,522 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:17:41,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2021-11-20 06:17:41,548 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-20 06:17:41,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 06:17:41,549 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:17:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:17:41,558 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:17:41,741 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:17:41,741 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:17:41,741 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:17:41,741 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:17:41,741 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 06:17:41,741 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:41,741 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:17:41,741 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:17:41,741 INFO L133 ssoRankerPreferences]: Filename of dumped script: prod4br-both-nt.c_Iteration1_Lasso [2021-11-20 06:17:41,741 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:17:41,742 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:17:41,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:17:41,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:17:41,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:17:41,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:17:42,060 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:17:42,061 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 06:17:42,061 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:42,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:42,071 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:42,091 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:17:42,092 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:17:42,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-20 06:17:42,120 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:17:42,120 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: [] [2021-11-20 06:17:42,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:42,157 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:42,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:42,158 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:42,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-20 06:17:42,160 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:17:42,160 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:17:42,180 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:17:42,180 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:17:42,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-11-20 06:17:42,203 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:42,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:42,204 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:42,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-20 06:17:42,207 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:17:42,208 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:17:42,217 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:17:42,217 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:17:42,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-11-20 06:17:42,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:42,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:42,241 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:42,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-20 06:17:42,243 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:17:42,243 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:17:42,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:42,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:42,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:42,304 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:42,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-20 06:17:42,306 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 06:17:42,306 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:17:42,327 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 06:17:42,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:42,349 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:17:42,355 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:17:42,355 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:17:42,355 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:17:42,355 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:17:42,355 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:42,355 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:17:42,355 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:17:42,355 INFO L133 ssoRankerPreferences]: Filename of dumped script: prod4br-both-nt.c_Iteration1_Lasso [2021-11-20 06:17:42,356 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:17:42,356 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:17:42,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:17:42,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:17:42,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:17:42,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:17:42,639 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:17:42,639 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:17:42,639 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:42,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:42,647 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:42,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:42,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:42,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:42,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:42,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:42,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:17:42,660 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:17:42,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:42,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-20 06:17:42,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:42,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:42,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:42,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:42,711 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:42,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:42,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:42,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:42,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:42,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:42,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:17:42,725 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:17:42,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:42,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-20 06:17:42,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:42,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:42,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:42,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:42,770 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:42,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:42,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:42,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:42,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:42,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:17:42,793 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:17:42,793 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:17:42,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-20 06:17:42,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:42,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:42,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:42,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:42,863 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:42,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:42,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:42,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:42,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:42,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:42,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:17:42,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:17:42,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:42,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-20 06:17:42,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:42,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:42,921 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 06:17:42,922 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:42,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:42,923 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:42,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:42,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:42,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:42,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:42,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:42,934 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:17:42,935 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:17:42,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:42,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-20 06:17:42,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:42,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:42,988 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:42,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:42,989 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:42,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:43,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:43,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:43,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:43,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:43,001 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:17:43,002 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:17:43,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:43,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-20 06:17:43,014 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:43,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:43,046 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:43,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:43,047 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:43,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:43,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:43,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:43,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:43,063 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:17:43,074 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:17:43,075 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:17:43,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-20 06:17:43,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:43,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:43,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:43,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:43,142 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:43,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:43,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:43,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:43,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:43,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:43,159 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:17:43,160 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:17:43,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:43,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-20 06:17:43,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:43,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:43,220 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 06:17:43,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:43,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:43,221 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:43,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:43,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:43,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:43,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:43,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:43,236 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:17:43,236 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:17:43,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:43,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-20 06:17:43,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:43,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:43,296 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:43,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:43,297 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:43,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:43,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:43,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:43,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:43,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:43,319 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:17:43,320 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:17:43,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:43,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-20 06:17:43,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:43,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:43,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:43,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:43,374 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:43,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:43,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:43,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:43,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:43,392 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:17:43,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-20 06:17:43,413 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:17:43,413 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:17:43,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:43,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:43,504 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:43,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:43,507 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:43,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:43,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:43,522 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:43,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:43,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:43,522 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:17:43,523 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:17:43,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:43,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-20 06:17:43,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:43,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:43,572 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 06:17:43,572 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:43,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:43,573 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:43,577 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:43,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:43,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:43,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:43,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:43,589 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:17:43,590 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:17:43,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:43,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-20 06:17:43,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:43,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:43,642 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:43,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:43,645 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:43,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:43,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:43,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:43,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:43,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:43,658 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:17:43,659 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:17:43,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:43,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-20 06:17:43,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:43,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-11-20 06:17:43,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:43,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:43,702 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:43,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-20 06:17:43,705 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 [2021-11-20 06:17:43,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:43,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:43,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:43,714 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:17:43,737 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:17:43,737 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:17:43,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:43,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:43,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:43,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:43,826 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:43,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-20 06:17:43,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:43,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:17:43,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:43,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:43,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:43,838 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:17:43,838 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:17:43,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:43,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:43,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-11-20 06:17:43,864 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 06:17:43,864 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:43,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:43,865 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:43,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-20 06:17:43,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:43,877 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:43,878 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:17:43,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:43,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:43,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:43,878 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:17:43,879 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:17:43,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:43,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:43,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-11-20 06:17:43,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:43,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:43,905 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:43,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-20 06:17:43,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:43,917 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:43,917 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:17:43,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:43,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:43,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:43,917 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:17:43,918 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:17:43,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:43,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:43,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-11-20 06:17:43,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:43,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:43,948 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:43,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-20 06:17:43,949 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 [2021-11-20 06:17:43,959 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:43,959 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:17:43,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:43,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:43,960 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:17:43,974 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:17:43,975 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:17:44,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:44,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-11-20 06:17:44,098 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:44,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:44,099 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:44,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-20 06:17:44,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:44,109 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:44,110 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:17:44,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:44,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:44,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:44,110 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:17:44,111 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:17:44,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:44,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:44,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:44,179 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 06:17:44,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:44,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:44,181 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:44,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:44,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-20 06:17:44,198 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:44,198 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:17:44,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:44,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:44,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:44,199 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:17:44,199 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:17:44,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:44,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:44,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:44,230 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:44,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:44,230 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:44,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-20 06:17:44,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:44,240 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:44,240 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:17:44,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:44,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:44,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:44,241 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:17:44,242 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:17:44,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:44,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:44,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:44,267 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:44,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:44,268 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:44,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-20 06:17:44,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:44,278 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:44,278 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:17:44,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:44,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:44,279 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:17:44,296 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:17:44,296 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:17:44,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:44,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:44,524 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:44,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:44,525 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:44,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-20 06:17:44,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:44,534 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:44,534 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:17:44,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:44,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:44,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:44,535 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:17:44,536 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:17:44,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:44,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:44,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:44,571 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 06:17:44,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:44,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:44,572 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:44,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-20 06:17:44,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:44,584 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:44,584 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:17:44,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:44,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:44,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:44,585 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:17:44,586 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:17:44,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:44,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:44,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:44,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:44,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:44,615 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:44,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-20 06:17:44,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:44,627 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:44,627 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:17:44,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:44,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:44,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:44,627 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:17:44,629 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:17:44,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:44,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:44,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-11-20 06:17:44,656 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:44,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:44,657 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:44,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-20 06:17:44,659 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:44,671 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:44,671 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:17:44,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:44,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:44,671 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:17:44,711 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:17:44,711 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:17:45,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:45,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-11-20 06:17:45,696 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:45,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:45,697 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:45,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-20 06:17:45,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:45,706 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:45,706 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:17:45,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:45,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:45,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:45,707 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:17:45,708 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:17:45,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:45,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:45,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:45,744 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 06:17:45,744 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:45,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:45,745 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:45,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-20 06:17:45,746 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 [2021-11-20 06:17:45,753 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:45,753 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:17:45,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:45,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:45,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:45,754 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:17:45,754 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:17:45,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:45,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:45,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:45,823 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:45,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:45,824 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:45,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:45,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-20 06:17:45,834 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:45,834 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:17:45,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:45,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:45,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:45,835 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:17:45,836 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:17:45,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:45,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:45,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:45,868 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:45,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:45,869 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:45,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-20 06:17:45,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:45,877 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:45,877 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:17:45,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:45,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:45,878 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:17:45,892 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:17:45,892 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:17:45,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:45,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-11-20 06:17:45,960 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:45,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:45,961 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:45,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-20 06:17:45,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:45,976 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:45,976 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:17:45,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:45,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:45,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:45,977 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:17:45,977 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:17:45,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:45,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:46,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-11-20 06:17:46,003 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 06:17:46,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:46,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:46,005 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:46,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-20 06:17:46,006 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:46,015 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:46,015 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:17:46,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:46,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:46,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:46,016 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:17:46,017 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:17:46,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:46,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:46,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-11-20 06:17:46,044 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:46,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:46,045 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:46,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-20 06:17:46,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:46,055 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:46,056 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:17:46,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:46,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:46,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:46,056 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:17:46,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:17:46,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:46,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:46,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:46,102 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:46,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:46,105 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:46,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:46,120 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:46,120 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:17:46,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:46,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:46,120 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:17:46,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-20 06:17:46,151 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-20 06:17:46,151 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 06:17:46,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:46,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:46,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:17:46,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:46,494 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:46,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-20 06:17:46,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:17:46,504 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:17:46,504 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:17:46,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:17:46,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:17:46,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:17:46,504 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:17:46,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:17:46,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:17:46,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:17:46,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:46,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:17:46 BoogieIcfgContainer [2021-11-20 06:17:46,582 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 06:17:46,583 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:17:46,583 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:17:46,583 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:17:46,583 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:17:34" (3/4) ... [2021-11-20 06:17:46,587 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:17:46,587 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:17:46,588 INFO L158 Benchmark]: Toolchain (without parser) took 12501.79ms. Allocated memory was 88.1MB in the beginning and 157.3MB in the end (delta: 69.2MB). Free memory was 51.6MB in the beginning and 84.3MB in the end (delta: -32.7MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2021-11-20 06:17:46,589 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:17:46,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.16ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 51.4MB in the beginning and 106.3MB in the end (delta: -54.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:17:46,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.21ms. Allocated memory is still 130.0MB. Free memory was 106.3MB in the beginning and 104.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:17:46,591 INFO L158 Benchmark]: Boogie Preprocessor took 20.89ms. Allocated memory is still 130.0MB. Free memory was 104.7MB in the beginning and 104.2MB in the end (delta: 577.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:17:46,591 INFO L158 Benchmark]: RCFGBuilder took 432.11ms. Allocated memory is still 130.0MB. Free memory was 104.2MB in the beginning and 94.2MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 06:17:46,592 INFO L158 Benchmark]: BuchiAutomizer took 11735.80ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 94.2MB in the beginning and 84.9MB in the end (delta: 9.4MB). Peak memory consumption was 88.5MB. Max. memory is 16.1GB. [2021-11-20 06:17:46,592 INFO L158 Benchmark]: Witness Printer took 4.45ms. Allocated memory is still 157.3MB. Free memory was 84.9MB in the beginning and 84.3MB in the end (delta: 546.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:17:46,595 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.16ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 51.4MB in the beginning and 106.3MB in the end (delta: -54.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.21ms. Allocated memory is still 130.0MB. Free memory was 106.3MB in the beginning and 104.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.89ms. Allocated memory is still 130.0MB. Free memory was 104.7MB in the beginning and 104.2MB in the end (delta: 577.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 432.11ms. Allocated memory is still 130.0MB. Free memory was 104.2MB in the beginning and 94.2MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 11735.80ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 94.2MB in the beginning and 84.9MB in the end (delta: 9.4MB). Peak memory consumption was 88.5MB. Max. memory is 16.1GB. * Witness Printer took 4.45ms. Allocated memory is still 157.3MB. Free memory was 84.9MB in the beginning and 84.3MB in the end (delta: 546.9kB). 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 11.6s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 11.5s. 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: inital73 mio100 ax100 hnf90 lsp100 ukn100 mio100 lsp100 div536 bol100 ite100 ukn100 eq134 hnf44 smp63 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 366ms VariablesStem: 10 VariablesLoop: 10 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 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_#t~nondet1#1, main_~x~0#1, main_~y~0#1, main_~a~0#1, main_~b~0#1, main_~p~0#1, main_~q~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~p~0#1;havoc main_~q~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume !(main_~y~0#1 < 1);main_~a~0#1 := main_~x~0#1;main_~b~0#1 := main_~y~0#1;main_~p~0#1 := 1;main_~q~0#1 := 0;" "assume !false;" "assume !!(main_~q~0#1 + main_~a~0#1 * main_~b~0#1 * main_~p~0#1 == main_~x~0#1 * main_~y~0#1);" "assume 0 == (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then main_~a~0#1 % 2 - 2 else main_~a~0#1 % 2) && 0 == (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then main_~b~0#1 % 2 - 2 else main_~b~0#1 % 2);main_~a~0#1 := (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then 1 + main_~a~0#1 / 2 else main_~a~0#1 / 2);main_~b~0#1 := (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then 1 + main_~b~0#1 / 2 else main_~b~0#1 / 2);main_~p~0#1 := 4 * main_~p~0#1;" Loop: "assume !false;" "assume !!(main_~q~0#1 + main_~a~0#1 * main_~b~0#1 * main_~p~0#1 == main_~x~0#1 * main_~y~0#1);" "assume 0 == (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then main_~a~0#1 % 2 - 2 else main_~a~0#1 % 2) && 0 == (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then main_~b~0#1 % 2 - 2 else main_~b~0#1 % 2);main_~a~0#1 := (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then 1 + main_~a~0#1 / 2 else main_~a~0#1 / 2);main_~b~0#1 := (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then 1 + main_~b~0#1 / 2 else main_~b~0#1 / 2);main_~p~0#1 := 4 * main_~p~0#1;" RESULT: Ultimate could not prove your program: unable to determine termination [2021-11-20 06:17:46,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:46,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:47,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:47,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-20 06:17:47,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:17:47,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/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_32b68479-b730-4287-a043-db6bf34de740/bin/uautomizer-DQz5hQGWxF/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