./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/NO_24.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/NO_24.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 37080e652aca30a197dfeef0cd840e0e07570cf4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:31:13,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:31:13,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:31:14,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:31:14,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:31:14,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:31:14,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:31:14,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:31:14,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:31:14,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:31:14,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:31:14,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:31:14,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:31:14,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:31:14,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:31:14,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:31:14,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:31:14,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:31:14,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:31:14,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:31:14,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:31:14,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:31:14,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:31:14,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:31:14,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:31:14,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:31:14,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:31:14,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:31:14,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:31:14,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:31:14,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:31:14,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:31:14,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:31:14,138 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:31:14,139 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:31:14,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:31:14,140 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:31:14,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:31:14,141 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:31:14,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:31:14,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:31:14,145 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-30 00:31:14,184 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:31:14,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:31:14,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:31:14,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:31:14,186 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:31:14,187 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 00:31:14,187 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 00:31:14,187 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 00:31:14,187 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 00:31:14,187 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 00:31:14,189 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 00:31:14,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:31:14,189 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:31:14,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:31:14,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:31:14,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 00:31:14,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 00:31:14,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 00:31:14,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:31:14,191 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 00:31:14,191 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:31:14,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 00:31:14,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:31:14,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:31:14,192 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 00:31:14,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:31:14,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:31:14,193 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:31:14,193 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 00:31:14,194 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 00:31:14,194 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-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37080e652aca30a197dfeef0cd840e0e07570cf4 [2020-11-30 00:31:14,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:31:14,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:31:14,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:31:14,471 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:31:14,471 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:31:14,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/../../sv-benchmarks/c/termination-restricted-15/NO_24.c [2020-11-30 00:31:14,547 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/data/bd0065383/6dbc86ba5b274b6fbe9b66001f2c5be5/FLAGb572f8d02 [2020-11-30 00:31:15,024 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:31:15,030 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/sv-benchmarks/c/termination-restricted-15/NO_24.c [2020-11-30 00:31:15,043 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/data/bd0065383/6dbc86ba5b274b6fbe9b66001f2c5be5/FLAGb572f8d02 [2020-11-30 00:31:15,408 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/data/bd0065383/6dbc86ba5b274b6fbe9b66001f2c5be5 [2020-11-30 00:31:15,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:31:15,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:31:15,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:31:15,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:31:15,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:31:15,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:31:15" (1/1) ... [2020-11-30 00:31:15,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1204b417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:15, skipping insertion in model container [2020-11-30 00:31:15,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:31:15" (1/1) ... [2020-11-30 00:31:15,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:31:15,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:31:15,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:31:15,614 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:31:15,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:31:15,646 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:31:15,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:15 WrapperNode [2020-11-30 00:31:15,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:31:15,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:31:15,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:31:15,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:31:15,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:15" (1/1) ... [2020-11-30 00:31:15,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:15" (1/1) ... [2020-11-30 00:31:15,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:31:15,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:31:15,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:31:15,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:31:15,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:15" (1/1) ... [2020-11-30 00:31:15,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:15" (1/1) ... [2020-11-30 00:31:15,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:15" (1/1) ... [2020-11-30 00:31:15,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:15" (1/1) ... [2020-11-30 00:31:15,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:15" (1/1) ... [2020-11-30 00:31:15,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:15" (1/1) ... [2020-11-30 00:31:15,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:15" (1/1) ... [2020-11-30 00:31:15,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:31:15,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:31:15,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:31:15,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:31:15,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:31:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:31:15,939 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:31:15,939 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-30 00:31:15,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:31:15 BoogieIcfgContainer [2020-11-30 00:31:15,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:31:15,943 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 00:31:15,943 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 00:31:15,948 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 00:31:15,948 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:31:15,949 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 12:31:15" (1/3) ... [2020-11-30 00:31:15,951 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28143f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:31:15, skipping insertion in model container [2020-11-30 00:31:15,951 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:31:15,951 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:15" (2/3) ... [2020-11-30 00:31:15,952 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28143f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:31:15, skipping insertion in model container [2020-11-30 00:31:15,952 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:31:15,953 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:31:15" (3/3) ... [2020-11-30 00:31:15,954 INFO L373 chiAutomizerObserver]: Analyzing ICFG NO_24.c [2020-11-30 00:31:16,019 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 00:31:16,019 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 00:31:16,019 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 00:31:16,020 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:31:16,020 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:31:16,020 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 00:31:16,020 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:31:16,020 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 00:31:16,033 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-11-30 00:31:16,056 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-30 00:31:16,056 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:31:16,056 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:31:16,061 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-30 00:31:16,061 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-30 00:31:16,061 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 00:31:16,061 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-11-30 00:31:16,062 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-30 00:31:16,062 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:31:16,062 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:31:16,063 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-30 00:31:16,063 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-30 00:31:16,068 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~a~0, main_~b~0;havoc main_~a~0;havoc main_~b~0;main_~a~0 := 1;main_~b~0 := 2; 8#L11-2true [2020-11-30 00:31:16,069 INFO L796 eck$LassoCheckResult]: Loop: 8#L11-2true assume !!(main_~a~0 + main_~b~0 < 5);main_~a~0 := main_~a~0 - main_~b~0;main_~b~0 := main_~a~0 + main_~b~0;main_~a~0 := main_~b~0 - main_~a~0; 8#L11-2true [2020-11-30 00:31:16,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:16,074 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-11-30 00:31:16,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:16,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442679025] [2020-11-30 00:31:16,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:31:16,171 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:31:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:31:16,181 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:31:16,197 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:31:16,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:16,203 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2020-11-30 00:31:16,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:16,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235689859] [2020-11-30 00:31:16,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:31:16,224 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:31:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:31:16,236 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:31:16,239 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:31:16,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:16,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2020-11-30 00:31:16,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:16,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154197153] [2020-11-30 00:31:16,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:31:16,262 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:31:16,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:31:16,267 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:31:16,269 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:31:16,486 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:31:16,488 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:31:16,488 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:31:16,488 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:31:16,488 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-30 00:31:16,489 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:16,489 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:31:16,489 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:31:16,489 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_24.c_Iteration1_Lasso [2020-11-30 00:31:16,489 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:31:16,489 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:31:16,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:31:16,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:31:16,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:31:16,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:31:16,774 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:31:16,775 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:16,784 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:31:16,784 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-30 00:31:16,790 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 00:31:16,791 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:16,835 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:31:16,835 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:16,845 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 00:31:16,845 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:16,880 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:31:16,880 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:16,910 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-30 00:31:16,910 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-30 00:31:17,054 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-30 00:31:17,069 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:31:17,069 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:31:17,069 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:31:17,069 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:31:17,069 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 00:31:17,070 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:17,070 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:31:17,070 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:31:17,070 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_24.c_Iteration1_Lasso [2020-11-30 00:31:17,070 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:31:17,070 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:31:17,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:31:17,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:31:17,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:31:17,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:31:17,281 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:31:17,285 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:17,299 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:17,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:17,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:17,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:17,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:31:17,307 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:31:17,308 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:17,313 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:17,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:17,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:17,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:17,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:17,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:31:17,368 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:31:17,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:17,373 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:17,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:17,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:17,415 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:31:17,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:17,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:17,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:31:17,417 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:31:17,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:17,419 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:17,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:17,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:17,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:17,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:17,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:31:17,473 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:31:17,473 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:31:17,486 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:31:17,520 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:17,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:17,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:17,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:17,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:17,532 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:31:17,540 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 00:31:17,548 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:17,556 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:17,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:17,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:17,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:17,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:17,603 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:31:17,610 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 00:31:17,611 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:17,617 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:17,659 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:17,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:17,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:31:17,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:17,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:17,661 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:31:17,662 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:31:17,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:17,666 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:17,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:17,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:17,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:17,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:17,711 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:31:17,721 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 00:31:17,722 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:17,736 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:31:17,769 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:17,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:17,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:17,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:17,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:17,781 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:31:17,798 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 00:31:17,798 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:17,813 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:17,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:17,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:17,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:17,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:17,868 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:31:17,878 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 00:31:17,878 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:17,888 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:17,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:17,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:17,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:31:17,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:17,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:17,933 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:31:17,936 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:31:17,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:17,939 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:17,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:17,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:17,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:17,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:17,987 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:31:17,998 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 00:31:17,999 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:18,034 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:31:18,073 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:18,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:18,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:18,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:18,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:18,089 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:31:18,096 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 00:31:18,096 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:18,111 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:18,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:18,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:18,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:18,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:18,155 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:31:18,161 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 00:31:18,161 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:18,171 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:18,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:18,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:18,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:31:18,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:18,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:18,223 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:31:18,226 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:31:18,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:31:18,233 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:18,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:18,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:18,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:18,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:18,275 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:18,301 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 00:31:18,301 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-30 00:31:18,325 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:31:18,358 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:18,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:18,369 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:18,370 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:31:18,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:18,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:18,370 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:31:18,375 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 00:31:18,375 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:18,383 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:18,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:18,427 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:18,427 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:31:18,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:18,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:18,428 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:31:18,438 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 00:31:18,438 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:18,447 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:18,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:18,487 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:18,487 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:31:18,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:31:18,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:18,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:18,487 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:31:18,489 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:31:18,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:18,492 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:18,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:18,530 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:18,530 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:31:18,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:18,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:18,530 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:18,541 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 00:31:18,541 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-30 00:31:18,558 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:31:18,590 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:18,600 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:18,602 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:18,603 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 00:31:18,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:18,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:18,603 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:18,608 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 00:31:18,609 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 00:31:18,618 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:18,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:18,659 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:18,659 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 00:31:18,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:18,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:18,660 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:18,669 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 00:31:18,669 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 00:31:18,680 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:18,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:18,720 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:18,720 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 00:31:18,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:31:18,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:18,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:18,721 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:31:18,722 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:31:18,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:18,726 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:18,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:18,769 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:18,769 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 00:31:18,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:18,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:18,769 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:31:18,779 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 00:31:18,779 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 00:31:18,805 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:31:18,839 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:18,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:18,844 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:18,844 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:31:18,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:18,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:18,844 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:31:18,851 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 00:31:18,851 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-30 00:31:18,865 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:18,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:18,909 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:18,909 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:31:18,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:18,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:18,909 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:31:18,915 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 00:31:18,915 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:18,928 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:18,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:18,967 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:18,968 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:31:18,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:31:18,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:18,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:18,968 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:31:18,970 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:31:18,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:18,976 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:19,012 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:19,016 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:19,016 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:31:19,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:19,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:19,017 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:31:19,029 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 00:31:19,030 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:19,065 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:31:19,099 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:19,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:19,105 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:19,105 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:31:19,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:19,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:19,106 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:31:19,110 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 00:31:19,110 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:19,117 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:19,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:19,157 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:19,157 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:31:19,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:19,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:19,158 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:31:19,163 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 00:31:19,163 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:19,171 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:19,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:19,211 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:19,211 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:31:19,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:31:19,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:19,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:19,211 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:31:19,213 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:31:19,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:19,216 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:19,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:19,254 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:19,255 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:31:19,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:19,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:19,255 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:31:19,264 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 00:31:19,264 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:19,279 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:31:19,307 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:19,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:19,316 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:19,316 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:31:19,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:19,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:19,317 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 00:31:19,334 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-11-30 00:31:19,334 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:19,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:19,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:19,388 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:19,388 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:31:19,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:19,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:19,388 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 00:31:19,394 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-11-30 00:31:19,394 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:19,404 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:19,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:19,443 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:19,443 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:31:19,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:31:19,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:19,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:19,444 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 00:31:19,445 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:31:19,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:31:19,448 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:19,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:19,492 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:19,492 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:31:19,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:19,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:19,493 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 00:31:19,505 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-11-30 00:31:19,506 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:19,567 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:31:19,602 INFO L473 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2020-11-30 00:31:19,602 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~a~0, main_~b~0;havoc main_~a~0;havoc main_~b~0;main_~a~0 := 1;main_~b~0 := 2; 8#L11-2true assume !!(main_~a~0 + main_~b~0 < 5);main_~a~0 := main_~a~0 - main_~b~0;main_~b~0 := main_~a~0 + main_~b~0;main_~a~0 := main_~b~0 - main_~a~0; 8#L11-2true [2020-11-30 00:31:19,603 INFO L796 eck$LassoCheckResult]: Loop: 8#L11-2true assume !!(main_~a~0 + main_~b~0 < 5);main_~a~0 := main_~a~0 - main_~b~0;main_~b~0 := main_~a~0 + main_~b~0;main_~a~0 := main_~b~0 - main_~a~0; 8#L11-2true [2020-11-30 00:31:19,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:19,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2020-11-30 00:31:19,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:19,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892597557] [2020-11-30 00:31:19,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:31:19,609 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:31:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:31:19,614 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:31:19,615 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:31:19,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:19,616 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2020-11-30 00:31:19,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:19,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663718862] [2020-11-30 00:31:19,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:31:19,620 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:31:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:31:19,623 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:31:19,624 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:31:19,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:19,625 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2020-11-30 00:31:19,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:19,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668228410] [2020-11-30 00:31:19,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:31:19,632 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:31:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:31:19,637 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:31:19,638 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:31:19,697 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:31:19,697 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:31:19,697 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:31:19,697 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:31:19,697 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-30 00:31:19,697 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:19,697 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:31:19,698 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:31:19,698 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_24.c_Iteration1_Lasso [2020-11-30 00:31:19,698 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:31:19,698 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:31:19,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:31:19,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:31:19,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:31:19,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:31:19,807 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:31:19,807 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:19,814 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:31:19,814 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:19,818 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 00:31:19,818 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:19,854 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:31:19,854 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:19,857 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 00:31:19,857 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:19,893 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:31:19,894 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:19,938 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-30 00:31:19,938 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:20,116 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-30 00:31:20,118 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:31:20,119 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:31:20,119 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:31:20,119 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:31:20,119 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 00:31:20,119 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:20,119 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:31:20,119 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:31:20,119 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_24.c_Iteration1_Lasso [2020-11-30 00:31:20,119 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:31:20,119 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:31:20,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:31:20,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:31:20,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:31:20,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:31:20,233 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:31:20,233 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:20,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:20,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:20,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:20,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:20,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:31:20,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:31:20,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:20,245 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:20,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:20,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:20,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:31:20,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:20,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:20,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:31:20,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:31:20,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:20,286 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:20,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:20,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:20,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:20,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:20,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:31:20,329 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:31:20,329 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:31:20,333 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:20,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:20,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:20,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:20,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:20,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:31:20,379 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:31:20,379 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:20,386 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:31:20,420 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:20,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:20,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:20,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:20,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:20,426 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:31:20,428 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 00:31:20,429 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:20,433 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:20,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:20,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:20,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:31:20,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:20,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:20,473 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:31:20,477 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:31:20,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:20,479 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:20,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:20,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:20,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:20,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:20,520 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:31:20,523 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 00:31:20,524 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:20,532 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:20,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:20,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:20,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:20,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:20,571 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:31:20,578 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 00:31:20,578 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:20,587 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:31:20,621 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:20,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:20,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:20,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:20,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:20,627 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:31:20,631 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 00:31:20,631 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:20,648 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:20,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:20,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:20,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:31:20,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:20,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:20,689 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:31:20,690 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:31:20,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:20,696 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:20,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:20,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:20,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:20,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:20,739 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:31:20,742 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 00:31:20,742 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:20,749 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:20,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:20,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:20,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:20,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:20,786 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:31:20,802 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 00:31:20,803 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 00:31:20,821 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:31:20,855 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:20,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:20,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:20,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:20,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:20,867 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:20,871 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 00:31:20,871 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-30 00:31:20,881 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:20,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:20,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:20,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:31:20,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:20,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:20,924 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:31:20,925 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:31:20,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:20,929 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:20,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:20,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:20,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:20,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:20,966 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:31:20,970 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 00:31:20,970 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:20,978 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:21,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:21,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:31:21,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:21,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:21,017 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:31:21,027 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 00:31:21,027 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:21,043 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:31:21,076 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:21,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:21,081 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:21,081 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:31:21,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:21,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:21,082 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:31:21,085 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 00:31:21,085 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:21,091 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:21,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:21,123 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:21,123 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:31:21,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:31:21,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:21,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:21,124 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:31:21,124 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:31:21,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:31:21,126 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:21,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:21,151 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:21,151 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:31:21,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:21,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:21,152 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:31:21,156 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 00:31:21,156 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:21,167 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:21,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:21,191 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:21,191 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:31:21,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:21,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:21,191 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:31:21,199 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 00:31:21,200 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-30 00:31:21,213 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:31:21,246 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:21,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:21,256 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:21,256 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 00:31:21,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:21,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:21,256 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:31:21,260 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 00:31:21,260 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:21,268 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:21,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:21,298 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:21,298 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 00:31:21,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:31:21,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:21,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:21,298 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:31:21,299 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:31:21,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:31:21,303 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:21,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:21,326 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:21,326 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 00:31:21,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:21,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:21,327 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:31:21,329 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 00:31:21,329 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 00:31:21,354 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:21,377 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:21,379 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:21,379 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 00:31:21,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:21,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:21,379 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:31:21,387 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 00:31:21,388 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 00:31:21,404 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:31:21,423 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:21,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:21,428 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:21,428 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:31:21,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:21,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:21,429 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:31:21,432 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 00:31:21,432 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-30 00:31:21,443 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:21,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:21,466 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:21,467 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:31:21,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:31:21,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:21,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:21,467 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:31:21,468 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:31:21,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:31:21,480 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:21,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:21,503 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:21,503 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:31:21,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:21,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:21,504 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:31:21,508 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 00:31:21,508 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-30 00:31:21,516 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:21,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:21,540 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:21,540 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:31:21,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:21,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:21,540 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:31:21,550 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 00:31:21,551 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-30 00:31:21,569 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:31:21,589 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:21,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:21,592 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:21,592 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:31:21,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:21,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:21,593 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:31:21,595 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 00:31:21,595 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 00:31:21,600 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:21,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:21,622 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:21,622 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:31:21,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:31:21,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:21,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:21,623 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:31:21,624 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:31:21,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:31:21,630 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:21,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:21,654 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:21,655 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:31:21,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:21,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:21,655 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:31:21,658 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 00:31:21,659 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 00:31:21,673 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:21,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:21,711 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:21,711 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:31:21,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:21,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:21,711 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:31:21,719 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 00:31:21,719 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 00:31:21,740 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:31:21,763 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:21,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:21,767 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:21,767 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:31:21,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:21,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:21,768 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 00:31:21,774 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-11-30 00:31:21,774 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-11-30 00:31:21,782 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:21,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:21,806 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:21,806 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:31:21,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:31:21,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:21,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:21,806 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 00:31:21,808 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:31:21,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:31:21,825 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:31:21,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:21,864 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:21,864 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:31:21,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:21,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:21,864 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 00:31:21,879 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-11-30 00:31:21,879 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:21,898 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f789ab7d-8061-4c9c-b257-29ce8269e97b/bin/uautomizer/z3 Starting monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:31:21,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:31:21,924 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:31:21,924 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:31:21,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:31:21,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:31:21,924 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 00:31:21,935 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-11-30 00:31:21,935 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-11-30 00:31:21,959 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:31:21,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 12:31:21 BoogieIcfgContainer [2020-11-30 00:31:21,982 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 00:31:21,982 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:31:21,983 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:31:21,983 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:31:21,983 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:31:15" (3/4) ... [2020-11-30 00:31:21,985 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:31:21,986 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:31:21,987 INFO L168 Benchmark]: Toolchain (without parser) took 6573.86 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 90.3 MB in the beginning and 87.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:21,987 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory is still 51.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:31:21,988 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.16 ms. Allocated memory is still 115.3 MB. Free memory was 90.0 MB in the beginning and 92.7 MB in the end (delta: -2.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:21,988 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.69 ms. Allocated memory is still 115.3 MB. Free memory was 92.7 MB in the beginning and 91.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:31:21,989 INFO L168 Benchmark]: Boogie Preprocessor took 20.64 ms. Allocated memory is still 115.3 MB. Free memory was 91.5 MB in the beginning and 90.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:31:21,989 INFO L168 Benchmark]: RCFGBuilder took 233.94 ms. Allocated memory is still 115.3 MB. Free memory was 90.4 MB in the beginning and 82.4 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:21,989 INFO L168 Benchmark]: BuchiAutomizer took 6039.23 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 82.4 MB in the beginning and 89.0 MB in the end (delta: -6.5 MB). Peak memory consumption was 74.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:21,990 INFO L168 Benchmark]: Witness Printer took 3.11 ms. Allocated memory is still 138.4 MB. Free memory was 89.0 MB in the beginning and 87.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:21,993 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory is still 51.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 235.16 ms. Allocated memory is still 115.3 MB. Free memory was 90.0 MB in the beginning and 92.7 MB in the end (delta: -2.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.69 ms. Allocated memory is still 115.3 MB. Free memory was 92.7 MB in the beginning and 91.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.64 ms. Allocated memory is still 115.3 MB. Free memory was 91.5 MB in the beginning and 90.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 233.94 ms. Allocated memory is still 115.3 MB. Free memory was 90.4 MB in the beginning and 82.4 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 6039.23 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 82.4 MB in the beginning and 89.0 MB in the end (delta: -6.5 MB). Peak memory consumption was 74.7 MB. Max. memory is 16.1 GB. * Witness Printer took 3.11 ms. Allocated memory is still 138.4 MB. Free memory was 89.0 MB in the beginning and 87.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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 5.9s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 5.9s. 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: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax163 hnf100 lsp61 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq184 hnf88 smp100 dnf100 smp100 tf100 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 18ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_~a~0, main_~b~0;havoc main_~a~0;havoc main_~b~0;main_~a~0 := 1;main_~b~0 := 2;" "assume !!(main_~a~0 + main_~b~0 < 5);main_~a~0 := main_~a~0 - main_~b~0;main_~b~0 := main_~a~0 + main_~b~0;main_~a~0 := main_~b~0 - main_~a~0;" Loop: "assume !!(main_~a~0 + main_~b~0 < 5);main_~a~0 := main_~a~0 - main_~b~0;main_~b~0 := main_~a~0 + main_~b~0;main_~a~0 := main_~b~0 - main_~a~0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...