./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/NO_24.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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 0.2.0-69874e2 [2020-12-01 15:50:01,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:50:01,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:50:01,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:50:01,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:50:01,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:50:01,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:50:01,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:50:01,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:50:01,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:50:01,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:50:01,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:50:01,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:50:01,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:50:01,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:50:01,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:50:01,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:50:01,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:50:01,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:50:01,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:50:01,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:50:01,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:50:01,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:50:01,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:50:01,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:50:01,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:50:01,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:50:01,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:50:01,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:50:01,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:50:01,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:50:01,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:50:01,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:50:01,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:50:01,330 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:50:01,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:50:01,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:50:01,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:50:01,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:50:01,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:50:01,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:50:01,339 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-12-01 15:50:01,395 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:50:01,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:50:01,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:50:01,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:50:01,399 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:50:01,400 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-12-01 15:50:01,400 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-12-01 15:50:01,400 INFO L138 SettingsManager]: * Use old map elimination=false [2020-12-01 15:50:01,401 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-12-01 15:50:01,401 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-12-01 15:50:01,402 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-12-01 15:50:01,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:50:01,403 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 15:50:01,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:50:01,404 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:50:01,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-12-01 15:50:01,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-12-01 15:50:01,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-12-01 15:50:01,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:50:01,405 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-12-01 15:50:01,406 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:50:01,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-12-01 15:50:01,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:50:01,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:50:01,407 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-12-01 15:50:01,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:50:01,408 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:50:01,408 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:50:01,408 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-12-01 15:50:01,410 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-12-01 15:50:01,410 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_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37080e652aca30a197dfeef0cd840e0e07570cf4 [2020-12-01 15:50:01,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:50:01,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:50:01,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:50:01,820 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:50:01,824 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:50:01,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/bin/uautomizer/../../sv-benchmarks/c/termination-restricted-15/NO_24.c [2020-12-01 15:50:01,934 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/bin/uautomizer/data/1cc88c151/690d8b367be04399bdccfead81b5f316/FLAG01562c282 [2020-12-01 15:50:02,586 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:50:02,587 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/sv-benchmarks/c/termination-restricted-15/NO_24.c [2020-12-01 15:50:02,596 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/bin/uautomizer/data/1cc88c151/690d8b367be04399bdccfead81b5f316/FLAG01562c282 [2020-12-01 15:50:02,983 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/bin/uautomizer/data/1cc88c151/690d8b367be04399bdccfead81b5f316 [2020-12-01 15:50:02,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:50:02,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:50:02,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:50:02,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:50:02,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:50:02,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:50:02" (1/1) ... [2020-12-01 15:50:02,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69867a25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:02, skipping insertion in model container [2020-12-01 15:50:02,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:50:02" (1/1) ... [2020-12-01 15:50:03,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:50:03,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:50:03,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:50:03,149 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:50:03,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:50:03,184 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:50:03,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:03 WrapperNode [2020-12-01 15:50:03,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:50:03,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:50:03,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:50:03,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:50:03,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:03" (1/1) ... [2020-12-01 15:50:03,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:03" (1/1) ... [2020-12-01 15:50:03,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:50:03,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:50:03,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:50:03,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:50:03,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:03" (1/1) ... [2020-12-01 15:50:03,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:03" (1/1) ... [2020-12-01 15:50:03,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:03" (1/1) ... [2020-12-01 15:50:03,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:03" (1/1) ... [2020-12-01 15:50:03,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:03" (1/1) ... [2020-12-01 15:50:03,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:03" (1/1) ... [2020-12-01 15:50:03,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:03" (1/1) ... [2020-12-01 15:50:03,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:50:03,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:50:03,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:50:03,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:50:03,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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 [2020-12-01 15:50:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:50:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:50:03,542 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:50:03,542 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-12-01 15:50:03,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:50:03 BoogieIcfgContainer [2020-12-01 15:50:03,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:50:03,545 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-12-01 15:50:03,545 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-12-01 15:50:03,551 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-12-01 15:50:03,552 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:50:03,552 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 03:50:02" (1/3) ... [2020-12-01 15:50:03,555 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79fa9b7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:50:03, skipping insertion in model container [2020-12-01 15:50:03,555 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:50:03,556 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:03" (2/3) ... [2020-12-01 15:50:03,556 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79fa9b7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:50:03, skipping insertion in model container [2020-12-01 15:50:03,557 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:50:03,557 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:50:03" (3/3) ... [2020-12-01 15:50:03,559 INFO L389 chiAutomizerObserver]: Analyzing ICFG NO_24.c [2020-12-01 15:50:03,621 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-12-01 15:50:03,621 INFO L360 BuchiCegarLoop]: Hoare is false [2020-12-01 15:50:03,621 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-12-01 15:50:03,622 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:50:03,622 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:50:03,622 INFO L364 BuchiCegarLoop]: Difference is false [2020-12-01 15:50:03,622 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:50:03,622 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-12-01 15:50:03,639 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-12-01 15:50:03,663 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-12-01 15:50:03,664 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:50:03,664 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:50:03,672 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-12-01 15:50:03,672 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-12-01 15:50:03,672 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-12-01 15:50:03,673 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-12-01 15:50:03,674 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-12-01 15:50:03,674 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:50:03,674 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:50:03,675 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-12-01 15:50:03,675 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-12-01 15:50:03,684 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 [2020-12-01 15:50:03,685 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 [2020-12-01 15:50:03,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:03,693 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-12-01 15:50:03,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:03,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532575983] [2020-12-01 15:50:03,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:50:03,813 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:50:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:50:03,819 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:50:03,839 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:50:03,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:03,841 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2020-12-01 15:50:03,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:03,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141806844] [2020-12-01 15:50:03,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:50:03,854 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:50:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:50:03,860 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:50:03,862 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:50:03,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:03,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2020-12-01 15:50:03,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:03,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061726576] [2020-12-01 15:50:03,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:50:03,878 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:50:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:50:03,885 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:50:03,887 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:50:04,034 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 15:50:04,035 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 15:50:04,035 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 15:50:04,035 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 15:50:04,036 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-12-01 15:50:04,036 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:04,036 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 15:50:04,036 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 15:50:04,037 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_24.c_Iteration1_Lasso [2020-12-01 15:50:04,037 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 15:50:04,037 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 15:50:04,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:50:04,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:50:04,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:50:04,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:50:04,305 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 15:50:04,306 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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 [2020-12-01 15:50:04,320 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-12-01 15:50:04,321 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-12-01 15:50:04,341 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-12-01 15:50:04,342 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_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:04,375 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-12-01 15:50:04,375 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-12-01 15:50:04,391 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-12-01 15:50:04,391 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_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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 [2020-12-01 15:50:04,444 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-12-01 15:50:04,445 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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 [2020-12-01 15:50:04,513 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-12-01 15:50:04,513 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-12-01 15:50:04,634 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-12-01 15:50:04,637 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 15:50:04,637 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 15:50:04,637 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 15:50:04,637 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 15:50:04,637 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 15:50:04,638 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:04,638 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 15:50:04,638 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 15:50:04,638 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_24.c_Iteration1_Lasso [2020-12-01 15:50:04,638 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 15:50:04,638 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 15:50:04,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:50:04,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:50:04,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:50:04,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:50:04,755 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 15:50:04,762 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:04,783 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 [2020-12-01 15:50:04,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:04,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:04,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:04,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:50:04,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:50:04,804 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 [2020-12-01 15:50:04,829 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:04,866 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 [2020-12-01 15:50:04,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:04,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:04,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:04,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:50:04,875 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:50:04,875 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:50:04,894 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:04,935 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 [2020-12-01 15:50:04,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:04,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:50:04,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:04,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:04,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:50:04,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:50:04,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:50:04,960 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:05,014 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 [2020-12-01 15:50:05,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:05,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:05,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:05,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:50:05,036 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:50:05,036 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:05,069 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-12-01 15:50:05,092 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:05,096 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 [2020-12-01 15:50:05,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:05,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:05,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:05,098 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-12-01 15:50:05,111 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-12-01 15:50:05,111 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-12-01 15:50:05,137 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:05,168 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 [2020-12-01 15:50:05,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:05,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:05,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:05,171 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:05,201 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-12-01 15:50:05,202 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-12-01 15:50:05,225 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:05,273 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 [2020-12-01 15:50:05,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:05,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:50:05,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:05,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:05,276 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-12-01 15:50:05,278 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-12-01 15:50:05,278 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 [2020-12-01 15:50:05,289 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:05,334 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 [2020-12-01 15:50:05,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:05,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:05,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:05,336 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-12-01 15:50:05,346 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-12-01 15:50:05,346 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-12-01 15:50:05,372 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-12-01 15:50:05,403 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:05,416 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 [2020-12-01 15:50:05,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:05,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:05,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:05,419 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-12-01 15:50:05,431 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-12-01 15:50:05,431 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-12-01 15:50:05,457 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:05,505 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 [2020-12-01 15:50:05,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:05,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:05,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:05,508 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-12-01 15:50:05,522 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-12-01 15:50:05,522 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 [2020-12-01 15:50:05,537 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:05,573 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 [2020-12-01 15:50:05,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:05,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:50:05,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:05,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:05,580 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-12-01 15:50:05,581 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-12-01 15:50:05,581 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 [2020-12-01 15:50:05,605 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:05,655 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 [2020-12-01 15:50:05,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:05,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:05,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:05,658 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-12-01 15:50:05,666 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-12-01 15:50:05,666 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 [2020-12-01 15:50:05,693 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-12-01 15:50:05,724 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:05,732 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 [2020-12-01 15:50:05,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:05,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:05,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:05,735 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-12-01 15:50:05,741 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-12-01 15:50:05,741 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-12-01 15:50:05,762 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:05,788 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 [2020-12-01 15:50:05,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:05,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:05,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:05,791 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-12-01 15:50:05,796 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-12-01 15:50:05,796 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-12-01 15:50:05,817 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:05,841 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:05,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:05,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:50:05,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:05,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:05,844 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-12-01 15:50:05,845 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-12-01 15:50:05,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:50:05,873 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:05,913 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 [2020-12-01 15:50:05,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:05,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:05,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:05,917 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-12-01 15:50:05,926 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-12-01 15:50:05,927 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-12-01 15:50:05,949 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-12-01 15:50:05,973 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:05,976 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 [2020-12-01 15:50:05,985 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:05,985 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-12-01 15:50:05,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:05,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:05,986 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-12-01 15:50:05,991 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-12-01 15:50:05,991 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-12-01 15:50:06,017 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:06,063 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 [2020-12-01 15:50:06,064 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:06,065 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-12-01 15:50:06,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:06,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:06,065 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-12-01 15:50:06,068 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-12-01 15:50:06,068 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 [2020-12-01 15:50:06,084 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:06,118 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 [2020-12-01 15:50:06,120 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:06,120 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-12-01 15:50:06,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:50:06,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:06,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:06,120 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-12-01 15:50:06,121 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-12-01 15:50:06,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:50:06,125 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:06,147 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 [2020-12-01 15:50:06,148 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:06,148 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-12-01 15:50:06,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:06,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:06,149 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-12-01 15:50:06,155 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-12-01 15:50:06,155 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-12-01 15:50:06,189 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-12-01 15:50:06,221 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:06,223 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 [2020-12-01 15:50:06,225 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:06,225 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-12-01 15:50:06,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:06,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:06,226 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-12-01 15:50:06,230 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-12-01 15:50:06,230 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:06,244 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:06,266 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 [2020-12-01 15:50:06,269 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:06,269 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-12-01 15:50:06,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:06,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:06,270 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-12-01 15:50:06,275 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-12-01 15:50:06,275 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-12-01 15:50:06,305 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:06,343 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 [2020-12-01 15:50:06,345 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:06,345 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-12-01 15:50:06,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:50:06,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:06,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:06,346 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-12-01 15:50:06,348 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-12-01 15:50:06,348 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 [2020-12-01 15:50:06,365 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:06,396 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 [2020-12-01 15:50:06,400 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:06,400 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-12-01 15:50:06,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:06,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:06,400 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-12-01 15:50:06,408 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-12-01 15:50:06,408 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-12-01 15:50:06,437 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-12-01 15:50:06,474 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:06,486 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 [2020-12-01 15:50:06,489 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:06,489 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-12-01 15:50:06,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:06,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:06,490 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-12-01 15:50:06,497 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-12-01 15:50:06,498 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:06,517 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:06,561 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 [2020-12-01 15:50:06,564 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:06,564 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-12-01 15:50:06,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:06,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:06,565 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-12-01 15:50:06,570 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-12-01 15:50:06,571 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 [2020-12-01 15:50:06,596 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:06,628 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 [2020-12-01 15:50:06,631 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:06,631 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-12-01 15:50:06,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:50:06,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:06,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:06,632 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-12-01 15:50:06,633 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-12-01 15:50:06,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:50:06,661 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:06,693 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 [2020-12-01 15:50:06,696 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:06,696 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-12-01 15:50:06,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:06,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:06,696 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-12-01 15:50:06,706 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-12-01 15:50:06,706 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-12-01 15:50:06,740 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-12-01 15:50:06,776 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:06,786 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 [2020-12-01 15:50:06,788 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:06,789 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-12-01 15:50:06,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:06,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:06,789 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-12-01 15:50:06,793 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-12-01 15:50:06,793 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 [2020-12-01 15:50:06,815 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:06,856 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 [2020-12-01 15:50:06,858 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:06,858 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-12-01 15:50:06,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:06,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:06,859 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-12-01 15:50:06,862 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-12-01 15:50:06,863 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 [2020-12-01 15:50:06,897 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:06,984 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 Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:06,986 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:06,987 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-12-01 15:50:06,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:50:06,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:06,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:06,987 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-12-01 15:50:06,988 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-12-01 15:50:06,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:50:07,009 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:07,050 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 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:07,053 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:07,053 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-12-01 15:50:07,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:07,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:07,053 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-12-01 15:50:07,062 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-12-01 15:50:07,062 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-12-01 15:50:07,078 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-12-01 15:50:07,101 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:07,105 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 [2020-12-01 15:50:07,107 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:07,108 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-12-01 15:50:07,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:07,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:07,108 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-12-01 15:50:07,113 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-12-01 15:50:07,113 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-12-01 15:50:07,137 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:07,177 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 [2020-12-01 15:50:07,179 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:07,179 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-12-01 15:50:07,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:07,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:07,179 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-12-01 15:50:07,187 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-12-01 15:50:07,187 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-12-01 15:50:07,213 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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 [2020-12-01 15:50:07,254 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 [2020-12-01 15:50:07,266 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:07,266 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-12-01 15:50:07,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:50:07,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:07,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:07,267 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-12-01 15:50:07,269 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:50:07,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:50:07,279 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:07,304 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 [2020-12-01 15:50:07,306 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:07,306 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-12-01 15:50:07,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:07,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:07,306 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-12-01 15:50:07,318 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-12-01 15:50:07,319 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-12-01 15:50:07,377 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-12-01 15:50:07,399 INFO L473 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2020-12-01 15:50:07,399 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 [2020-12-01 15:50:07,399 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 [2020-12-01 15:50:07,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:07,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2020-12-01 15:50:07,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:07,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77054888] [2020-12-01 15:50:07,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:50:07,410 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:50:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:50:07,415 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:50:07,417 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:50:07,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:07,418 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2020-12-01 15:50:07,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:07,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964508908] [2020-12-01 15:50:07,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:50:07,424 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:50:07,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:50:07,427 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:50:07,428 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:50:07,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:07,429 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2020-12-01 15:50:07,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:07,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137361395] [2020-12-01 15:50:07,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:50:07,442 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:50:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:50:07,449 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:50:07,451 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:50:07,543 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 15:50:07,543 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 15:50:07,543 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 15:50:07,543 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 15:50:07,544 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-12-01 15:50:07,544 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:07,544 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 15:50:07,544 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 15:50:07,544 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_24.c_Iteration1_Lasso [2020-12-01 15:50:07,544 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 15:50:07,544 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 15:50:07,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:50:07,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:50:07,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:50:07,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:50:07,656 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 15:50:07,656 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:07,660 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-12-01 15:50:07,660 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 [2020-12-01 15:50:07,673 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-12-01 15:50:07,674 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_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:07,715 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-12-01 15:50:07,715 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 [2020-12-01 15:50:07,729 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-12-01 15:50:07,729 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_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:07,774 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-12-01 15:50:07,774 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_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:07,822 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-12-01 15:50:07,822 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-12-01 15:50:07,940 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-12-01 15:50:07,942 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 15:50:07,943 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 15:50:07,943 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 15:50:07,943 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 15:50:07,943 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 15:50:07,943 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:07,943 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 15:50:07,943 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 15:50:07,943 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_24.c_Iteration1_Lasso [2020-12-01 15:50:07,943 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 15:50:07,943 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 15:50:07,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:50:07,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:50:07,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:50:07,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:50:08,043 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 15:50:08,043 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:08,050 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 [2020-12-01 15:50:08,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:08,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:08,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:08,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:50:08,054 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:50:08,055 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 [2020-12-01 15:50:08,086 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:08,134 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 [2020-12-01 15:50:08,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:08,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:50:08,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:08,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:08,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:50:08,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:50:08,138 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 [2020-12-01 15:50:08,149 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:08,193 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 [2020-12-01 15:50:08,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:08,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:08,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:08,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:50:08,200 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:50:08,200 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:08,221 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:08,263 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 [2020-12-01 15:50:08,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:08,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:08,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:08,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:50:08,271 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:50:08,271 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 [2020-12-01 15:50:08,285 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-12-01 15:50:08,323 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:08,329 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 [2020-12-01 15:50:08,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:08,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:08,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:08,332 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-12-01 15:50:08,336 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-12-01 15:50:08,336 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 [2020-12-01 15:50:08,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:08,394 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 [2020-12-01 15:50:08,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:08,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:50:08,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:08,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:08,397 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-12-01 15:50:08,398 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-12-01 15:50:08,398 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 [2020-12-01 15:50:08,417 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:08,459 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 [2020-12-01 15:50:08,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:08,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:08,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:08,462 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-12-01 15:50:08,465 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-12-01 15:50:08,465 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 [2020-12-01 15:50:08,489 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:08,528 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 [2020-12-01 15:50:08,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:08,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:08,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:08,530 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-12-01 15:50:08,536 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-12-01 15:50:08,537 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 [2020-12-01 15:50:08,561 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-12-01 15:50:08,597 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:08,601 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 [2020-12-01 15:50:08,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:08,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:08,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:08,604 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-12-01 15:50:08,608 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-12-01 15:50:08,608 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 [2020-12-01 15:50:08,621 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:08,668 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 [2020-12-01 15:50:08,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:08,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:50:08,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:08,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:08,672 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-12-01 15:50:08,673 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-12-01 15:50:08,673 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 [2020-12-01 15:50:08,685 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:08,729 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 [2020-12-01 15:50:08,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:08,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:08,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:08,733 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-12-01 15:50:08,738 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-12-01 15:50:08,738 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 [2020-12-01 15:50:08,761 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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 [2020-12-01 15:50:08,795 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 [2020-12-01 15:50:08,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:08,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:08,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:08,799 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-12-01 15:50:08,808 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-12-01 15:50:08,809 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-12-01 15:50:08,837 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-12-01 15:50:08,876 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:08,886 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 [2020-12-01 15:50:08,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:08,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:08,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:08,889 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-12-01 15:50:08,894 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-12-01 15:50:08,895 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:08,921 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:08,960 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 [2020-12-01 15:50:08,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:08,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:50:08,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:08,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:08,964 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-12-01 15:50:08,965 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-12-01 15:50:08,965 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 [2020-12-01 15:50:08,985 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:09,029 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 [2020-12-01 15:50:09,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:09,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:09,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:09,033 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-12-01 15:50:09,038 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-12-01 15:50:09,039 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 [2020-12-01 15:50:09,057 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:09,102 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 [2020-12-01 15:50:09,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:50:09,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:09,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:09,107 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-12-01 15:50:09,119 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-12-01 15:50:09,120 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 [2020-12-01 15:50:09,141 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-12-01 15:50:09,179 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:09,184 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 [2020-12-01 15:50:09,186 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:09,187 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-12-01 15:50:09,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:09,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:09,187 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-12-01 15:50:09,191 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-12-01 15:50:09,191 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 [2020-12-01 15:50:09,205 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:09,248 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 [2020-12-01 15:50:09,250 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:09,250 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-12-01 15:50:09,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:50:09,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:09,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:09,251 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-12-01 15:50:09,252 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-12-01 15:50:09,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:09,265 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:09,310 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 [2020-12-01 15:50:09,313 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:09,313 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-12-01 15:50:09,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:09,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:09,314 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-12-01 15:50:09,317 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-12-01 15:50:09,317 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 [2020-12-01 15:50:09,337 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:09,379 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 [2020-12-01 15:50:09,382 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:09,382 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-12-01 15:50:09,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:09,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:09,383 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-12-01 15:50:09,391 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-12-01 15:50:09,391 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:09,409 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-12-01 15:50:09,449 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:09,454 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 [2020-12-01 15:50:09,457 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:09,457 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-12-01 15:50:09,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:09,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:09,458 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-12-01 15:50:09,462 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-12-01 15:50:09,463 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 [2020-12-01 15:50:09,485 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:09,530 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 [2020-12-01 15:50:09,533 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:09,533 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-12-01 15:50:09,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:50:09,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:09,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:09,534 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-12-01 15:50:09,536 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-12-01 15:50:09,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:09,549 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:09,592 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 [2020-12-01 15:50:09,596 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:09,596 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-12-01 15:50:09,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:09,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:09,596 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:09,601 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-12-01 15:50:09,601 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-12-01 15:50:09,617 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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 [2020-12-01 15:50:09,665 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 [2020-12-01 15:50:09,668 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:09,669 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-12-01 15:50:09,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:09,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:09,669 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-12-01 15:50:09,680 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-12-01 15:50:09,680 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-12-01 15:50:09,715 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-12-01 15:50:09,738 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:09,741 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 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:09,744 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:09,744 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-12-01 15:50:09,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:09,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:09,744 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-12-01 15:50:09,750 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-12-01 15:50:09,751 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-12-01 15:50:09,773 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:09,822 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 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:09,826 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:09,826 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-12-01 15:50:09,826 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:50:09,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:09,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:09,826 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-12-01 15:50:09,828 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-12-01 15:50:09,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:50:09,845 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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 [2020-12-01 15:50:09,876 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 [2020-12-01 15:50:09,879 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:09,880 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-12-01 15:50:09,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:09,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:09,880 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-12-01 15:50:09,888 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-12-01 15:50:09,889 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-12-01 15:50:09,909 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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 [2020-12-01 15:50:09,956 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 [2020-12-01 15:50:09,959 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:09,959 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-12-01 15:50:09,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:09,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:09,960 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-12-01 15:50:09,972 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-12-01 15:50:09,972 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-12-01 15:50:09,999 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-12-01 15:50:10,022 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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 [2020-12-01 15:50:10,024 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 [2020-12-01 15:50:10,026 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:10,026 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-12-01 15:50:10,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:10,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:10,027 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-12-01 15:50:10,032 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-12-01 15:50:10,032 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-12-01 15:50:10,052 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:10,102 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 [2020-12-01 15:50:10,105 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:10,105 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-12-01 15:50:10,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:50:10,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:10,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:10,105 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-12-01 15:50:10,106 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-12-01 15:50:10,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:10,124 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:10,166 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 [2020-12-01 15:50:10,168 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:10,168 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-12-01 15:50:10,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:10,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:10,168 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-12-01 15:50:10,172 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-12-01 15:50:10,172 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-12-01 15:50:10,179 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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 [2020-12-01 15:50:10,204 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 [2020-12-01 15:50:10,206 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:10,206 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-12-01 15:50:10,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:10,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:10,206 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-12-01 15:50:10,217 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-12-01 15:50:10,218 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-12-01 15:50:10,241 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-12-01 15:50:10,275 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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 [2020-12-01 15:50:10,278 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 [2020-12-01 15:50:10,280 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:10,280 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-12-01 15:50:10,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:10,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:10,280 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-12-01 15:50:10,287 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-12-01 15:50:10,287 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-12-01 15:50:10,308 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:10,358 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 [2020-12-01 15:50:10,361 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:10,361 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-12-01 15:50:10,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:50:10,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:10,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:10,361 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-12-01 15:50:10,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:50:10,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:10,385 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:10,427 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 [2020-12-01 15:50:10,430 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:10,430 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-12-01 15:50:10,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:10,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:10,431 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-12-01 15:50:10,437 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-12-01 15:50:10,437 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 [2020-12-01 15:50:10,457 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de86dc4-45c7-4e4c-9589-18d3d04a6589/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) [2020-12-01 15:50:10,506 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 [2020-12-01 15:50:10,509 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-12-01 15:50:10,509 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-12-01 15:50:10,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:50:10,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:50:10,510 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:50:10,525 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-12-01 15:50:10,526 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-12-01 15:50:10,569 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-12-01 15:50:10,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 03:50:10 BoogieIcfgContainer [2020-12-01 15:50:10,608 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-12-01 15:50:10,609 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:50:10,609 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:50:10,610 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:50:10,610 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:50:03" (3/4) ... [2020-12-01 15:50:10,614 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 15:50:10,614 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:50:10,617 INFO L168 Benchmark]: Toolchain (without parser) took 7628.23 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 57.5 MB in the beginning and 56.8 MB in the end (delta: 684.1 kB). Peak memory consumption was 42.3 MB. Max. memory is 16.1 GB. [2020-12-01 15:50:10,617 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 88.1 MB. Free memory was 47.9 MB in the beginning and 47.8 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:50:10,618 INFO L168 Benchmark]: CACSL2BoogieTranslator took 196.93 ms. Allocated memory is still 88.1 MB. Free memory was 57.3 MB in the beginning and 67.7 MB in the end (delta: -10.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-12-01 15:50:10,619 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.54 ms. Allocated memory is still 88.1 MB. Free memory was 67.7 MB in the beginning and 66.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:50:10,619 INFO L168 Benchmark]: Boogie Preprocessor took 37.41 ms. Allocated memory is still 88.1 MB. Free memory was 66.2 MB in the beginning and 65.4 MB in the end (delta: 839.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:50:10,620 INFO L168 Benchmark]: RCFGBuilder took 238.34 ms. Allocated memory is still 88.1 MB. Free memory was 65.4 MB in the beginning and 57.4 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:50:10,621 INFO L168 Benchmark]: BuchiAutomizer took 7063.87 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 57.4 MB in the beginning and 57.9 MB in the end (delta: -497.2 kB). Peak memory consumption was 64.0 MB. Max. memory is 16.1 GB. [2020-12-01 15:50:10,621 INFO L168 Benchmark]: Witness Printer took 5.27 ms. Allocated memory is still 130.0 MB. Free memory was 57.9 MB in the beginning and 56.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:50:10,625 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 88.1 MB. Free memory was 47.9 MB in the beginning and 47.8 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 196.93 ms. Allocated memory is still 88.1 MB. Free memory was 57.3 MB in the beginning and 67.7 MB in the end (delta: -10.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.54 ms. Allocated memory is still 88.1 MB. Free memory was 67.7 MB in the beginning and 66.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.41 ms. Allocated memory is still 88.1 MB. Free memory was 66.2 MB in the beginning and 65.4 MB in the end (delta: 839.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 238.34 ms. Allocated memory is still 88.1 MB. Free memory was 65.4 MB in the beginning and 57.4 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 7063.87 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 57.4 MB in the beginning and 57.9 MB in the end (delta: -497.2 kB). Peak memory consumption was 64.0 MB. Max. memory is 16.1 GB. * Witness Printer took 5.27 ms. Allocated memory is still 130.0 MB. Free memory was 57.9 MB in the beginning and 56.8 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 7.0s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 6.9s. 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: 32ms 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...