./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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 bc157475d6c321934f68f6b441d83c0582720461 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:19:05,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:19:05,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:19:06,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:19:06,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:19:06,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:19:06,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:19:06,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:19:06,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:19:06,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:19:06,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:19:06,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:19:06,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:19:06,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:19:06,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:19:06,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:19:06,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:19:06,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:19:06,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:19:06,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:19:06,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:19:06,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:19:06,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:19:06,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:19:06,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:19:06,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:19:06,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:19:06,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:19:06,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:19:06,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:19:06,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:19:06,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:19:06,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:19:06,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:19:06,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:19:06,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:19:06,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:19:06,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:19:06,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:19:06,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:19:06,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:19:06,131 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-30 00:19:06,184 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:19:06,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:19:06,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:19:06,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:19:06,187 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:19:06,188 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 00:19:06,188 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 00:19:06,189 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 00:19:06,189 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 00:19:06,189 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 00:19:06,190 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 00:19:06,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:19:06,191 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:19:06,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:19:06,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:19:06,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 00:19:06,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 00:19:06,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 00:19:06,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:19:06,193 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 00:19:06,193 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:19:06,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 00:19:06,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:19:06,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:19:06,194 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 00:19:06,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:19:06,195 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:19:06,195 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:19:06,196 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 00:19:06,199 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 00:19:06,199 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_454a9c9e-732f-4b3d-adf5-d07df2f63200/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc157475d6c321934f68f6b441d83c0582720461 [2020-11-30 00:19:06,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:19:06,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:19:06,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:19:06,596 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:19:06,597 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:19:06,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2020-11-30 00:19:06,696 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/data/dcabf1e44/8a3c93e3f91246ddbec55a29980f77ca/FLAGbc8f8a9cf [2020-11-30 00:19:07,314 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:19:07,315 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2020-11-30 00:19:07,328 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/data/dcabf1e44/8a3c93e3f91246ddbec55a29980f77ca/FLAGbc8f8a9cf [2020-11-30 00:19:07,691 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/data/dcabf1e44/8a3c93e3f91246ddbec55a29980f77ca [2020-11-30 00:19:07,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:19:07,696 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:19:07,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:19:07,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:19:07,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:19:07,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:19:07" (1/1) ... [2020-11-30 00:19:07,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@320de46b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:07, skipping insertion in model container [2020-11-30 00:19:07,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:19:07" (1/1) ... [2020-11-30 00:19:07,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:19:07,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:19:07,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:19:07,940 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:19:07,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:19:08,007 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:19:08,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:08 WrapperNode [2020-11-30 00:19:08,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:19:08,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:19:08,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:19:08,012 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:19:08,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:08" (1/1) ... [2020-11-30 00:19:08,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:08" (1/1) ... [2020-11-30 00:19:08,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:19:08,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:19:08,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:19:08,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:19:08,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:08" (1/1) ... [2020-11-30 00:19:08,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:08" (1/1) ... [2020-11-30 00:19:08,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:08" (1/1) ... [2020-11-30 00:19:08,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:08" (1/1) ... [2020-11-30 00:19:08,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:08" (1/1) ... [2020-11-30 00:19:08,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:08" (1/1) ... [2020-11-30 00:19:08,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:08" (1/1) ... [2020-11-30 00:19:08,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:19:08,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:19:08,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:19:08,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:19:08,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:19:08,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:19:08,385 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:19:08,385 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-30 00:19:08,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:19:08 BoogieIcfgContainer [2020-11-30 00:19:08,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:19:08,389 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 00:19:08,390 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 00:19:08,394 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 00:19:08,395 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:19:08,395 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 12:19:07" (1/3) ... [2020-11-30 00:19:08,397 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c45256a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:19:08, skipping insertion in model container [2020-11-30 00:19:08,397 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:19:08,398 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:08" (2/3) ... [2020-11-30 00:19:08,398 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c45256a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:19:08, skipping insertion in model container [2020-11-30 00:19:08,398 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:19:08,399 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:19:08" (3/3) ... [2020-11-30 00:19:08,401 INFO L373 chiAutomizerObserver]: Analyzing ICFG KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2020-11-30 00:19:08,482 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 00:19:08,483 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 00:19:08,483 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 00:19:08,483 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:19:08,483 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:19:08,484 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 00:19:08,484 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:19:08,484 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 00:19:08,501 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2020-11-30 00:19:08,525 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-30 00:19:08,526 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:19:08,526 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:19:08,533 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-30 00:19:08,533 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-30 00:19:08,534 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 00:19:08,534 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2020-11-30 00:19:08,536 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-30 00:19:08,536 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:19:08,536 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:19:08,537 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-30 00:19:08,537 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-30 00:19:08,545 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 7#L23-1true [2020-11-30 00:19:08,546 INFO L796 eck$LassoCheckResult]: Loop: 7#L23-1true assume !!(main_~x~0 < 255); 9#L18true assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 5#L18-2true assume 0 != main_~debug~0;main_~x~0 := 0; 7#L23-1true [2020-11-30 00:19:08,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:08,555 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-11-30 00:19:08,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:19:08,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558438438] [2020-11-30 00:19:08,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:19:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:08,664 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:08,678 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:08,698 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:19:08,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:08,704 INFO L82 PathProgramCache]: Analyzing trace with hash 39823, now seen corresponding path program 1 times [2020-11-30 00:19:08,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:19:08,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40070904] [2020-11-30 00:19:08,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:19:08,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:08,767 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:08,787 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:08,790 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:19:08,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:08,807 INFO L82 PathProgramCache]: Analyzing trace with hash 963344, now seen corresponding path program 1 times [2020-11-30 00:19:08,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:19:08,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750437246] [2020-11-30 00:19:08,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:19:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:08,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:08,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750437246] [2020-11-30 00:19:08,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:19:08,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-30 00:19:08,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413596141] [2020-11-30 00:19:09,158 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 14 [2020-11-30 00:19:09,180 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:19:09,181 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:19:09,181 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:19:09,182 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:19:09,182 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-30 00:19:09,182 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:09,183 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:19:09,183 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:19:09,183 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration1_Loop [2020-11-30 00:19:09,183 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:19:09,184 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:19:09,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:09,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:09,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:09,469 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:19:09,469 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) [2020-11-30 00:19:09,480 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:19:09,481 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:09,539 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-30 00:19:09,540 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:10,482 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-30 00:19:10,496 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:19:10,497 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:19:10,497 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:19:10,497 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:19:10,497 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 00:19:10,497 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:10,498 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:19:10,498 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:19:10,498 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration1_Loop [2020-11-30 00:19:10,498 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:19:10,498 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:19:10,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:10,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:10,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:10,718 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2020-11-30 00:19:10,788 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:19:10,793 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:10,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:10,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:10,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:10,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:10,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:10,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:10,816 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:19:10,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:10,826 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:10,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:10,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:10,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:10,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:10,862 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 00:19:10,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:10,864 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:10,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:10,876 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:10,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:10,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:10,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:10,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:10,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:10,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:10,936 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:19:10,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:10,941 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:10,978 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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 [2020-11-30 00:19:10,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:10,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:10,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:10,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:10,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:10,989 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:10,997 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:19:10,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:11,004 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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 [2020-11-30 00:19:11,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:11,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:11,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:11,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:11,047 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 00:19:11,047 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:11,049 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:19:11,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:11,053 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:11,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:11,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:11,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:11,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:11,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:11,081 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:11,082 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:19:11,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:11,091 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:11,116 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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 [2020-11-30 00:19:11,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:11,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:11,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:11,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:11,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:11,123 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:11,132 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:11,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:11,139 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:11,177 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 [2020-11-30 00:19:11,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:11,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:11,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:11,180 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 00:19:11,180 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:11,187 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-30 00:19:11,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:11,193 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:11,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:11,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:11,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:11,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:11,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:11,237 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:11,239 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:11,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:11,244 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:11,288 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:11,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:11,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:11,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:11,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:11,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:11,302 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:19:11,311 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:19:11,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:11,328 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:11,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:11,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:11,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:11,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:11,382 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 00:19:11,383 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:11,395 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-30 00:19:11,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:11,416 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:11,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:11,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:11,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:11,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:11,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:11,493 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:19:11,498 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:19:11,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:11,501 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:11,529 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:11,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:11,537 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:11,537 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:11,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:11,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:11,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:11,538 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:11,550 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:19:11,551 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:11,580 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:11,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:11,651 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:11,651 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:11,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:11,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:11,652 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 00:19:11,652 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:11,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:19:11,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:11,670 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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 [2020-11-30 00:19:11,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:11,717 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:11,717 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:11,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:11,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:11,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:11,717 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:11,720 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:19:11,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:11,728 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:11,760 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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 [2020-11-30 00:19:11,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:11,770 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:11,770 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 00:19:11,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:11,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:11,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:11,771 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:11,779 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:11,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:11,801 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:11,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:11,850 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:11,851 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 00:19:11,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:11,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:11,851 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 00:19:11,851 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:11,856 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-30 00:19:11,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:11,868 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:11,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:11,934 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:11,934 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 00:19:11,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:11,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:11,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:11,935 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:11,937 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:11,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:11,944 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:11,986 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:12,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:12,013 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:12,013 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:12,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:12,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:12,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:12,014 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:12,026 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:19:12,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:12,049 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:12,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:12,094 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:12,094 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:12,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:12,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:12,095 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 00:19:12,095 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:19:12,103 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-30 00:19:12,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:12,120 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:12,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:12,178 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:12,179 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:12,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:12,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:12,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:12,179 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:19:12,183 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:19:12,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:12,214 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:12,257 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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 [2020-11-30 00:19:12,266 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 [2020-11-30 00:19:12,269 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:12,269 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:12,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:12,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:12,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:12,269 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:12,276 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:12,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:12,284 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:12,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:12,350 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:12,350 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:12,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:12,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:12,350 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 00:19:12,351 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:12,353 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-30 00:19:12,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:12,364 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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 [2020-11-30 00:19:12,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:12,401 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:12,402 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:12,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:12,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:12,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:12,402 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:12,403 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:12,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:12,408 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:12,433 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:12,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:12,439 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:12,439 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:12,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:12,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:12,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:12,440 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 00:19:12,464 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:19:12,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:12,480 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:12,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:12,537 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:12,538 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:12,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:12,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:12,538 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 00:19:12,538 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 00:19:12,543 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 00:19:12,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:12,556 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:12,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:12,586 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:12,586 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:12,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:12,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:12,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:12,587 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 00:19:12,589 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:19:12,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:12,594 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:12,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:19:12,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:19:12,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:19:12,633 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2020-11-30 00:19:12,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:19:12,659 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2020-11-30 00:19:12,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:19:12,664 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. [2020-11-30 00:19:12,665 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-30 00:19:12,670 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 4 states and 5 transitions. [2020-11-30 00:19:12,672 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-11-30 00:19:12,672 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2020-11-30 00:19:12,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions. [2020-11-30 00:19:12,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:19:12,673 INFO L691 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2020-11-30 00:19:12,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions. [2020-11-30 00:19:12,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2020-11-30 00:19:12,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-30 00:19:12,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2020-11-30 00:19:12,708 INFO L714 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2020-11-30 00:19:12,708 INFO L594 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2020-11-30 00:19:12,708 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 00:19:12,708 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. [2020-11-30 00:19:12,710 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-30 00:19:12,710 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:19:12,710 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:19:12,710 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-30 00:19:12,710 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-30 00:19:12,711 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 28#L23-1 [2020-11-30 00:19:12,711 INFO L796 eck$LassoCheckResult]: Loop: 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2020-11-30 00:19:12,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:12,712 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2020-11-30 00:19:12,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:19:12,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949218267] [2020-11-30 00:19:12,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:19:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:12,723 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:12,730 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:12,733 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:19:12,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:12,734 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 1 times [2020-11-30 00:19:12,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:19:12,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199992673] [2020-11-30 00:19:12,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:19:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:12,759 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:12,771 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:12,772 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:19:12,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:12,774 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 1 times [2020-11-30 00:19:12,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:19:12,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442383008] [2020-11-30 00:19:12,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:19:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:12,785 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:12,798 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:12,799 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:19:12,902 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:19:12,902 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:19:12,902 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:19:12,902 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:19:12,902 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-30 00:19:12,902 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:12,903 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:19:12,903 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:19:12,903 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2020-11-30 00:19:12,903 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:19:12,903 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:19:12,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:12,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:12,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:13,043 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2020-11-30 00:19:13,139 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:19:13,140 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:13,150 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:19:13,150 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:13,201 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-30 00:19:13,202 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:13,518 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-30 00:19:13,520 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:19:13,520 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:19:13,520 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:19:13,520 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:19:13,520 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 00:19:13,521 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:13,521 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:19:13,521 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:19:13,521 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2020-11-30 00:19:13,521 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:19:13,521 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:19:13,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:13,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:13,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:13,703 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:19:13,703 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:13,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:13,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:13,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:13,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:13,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:13,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:13,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:19:13,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:13,723 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:13,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:13,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:13,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:13,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:13,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:13,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:13,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:19:13,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:13,774 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:13,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:13,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:13,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:13,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:13,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:13,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:13,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:19:13,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:13,808 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:13,831 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:13,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:13,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:13,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:13,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:13,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:13,837 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:13,840 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:19:13,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:13,845 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:13,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:13,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:13,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:13,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:13,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:13,885 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:13,886 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:19:13,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:13,893 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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 [2020-11-30 00:19:13,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:13,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:13,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:13,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:13,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:13,930 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:13,930 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:19:13,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:13,932 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:13,957 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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 [2020-11-30 00:19:13,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:13,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:13,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:13,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:13,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:13,962 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:13,966 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:13,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:13,972 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) [2020-11-30 00:19:14,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:14,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:14,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:14,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:14,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:14,037 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:14,039 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:14,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:14,042 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:14,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:14,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:14,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:14,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:14,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:14,091 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:14,093 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:14,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:14,096 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:14,137 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:14,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:14,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:14,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:14,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:14,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:14,147 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:19:14,153 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:19:14,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:14,164 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:14,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:14,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:14,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:14,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:14,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:14,214 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:19:14,218 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:19:14,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:14,222 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:14,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:14,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:14,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:14,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:14,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:14,273 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:19:14,274 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:19:14,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:14,278 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:14,320 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:14,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:14,327 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:14,327 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:14,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:14,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:14,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:14,328 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:14,332 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:19:14,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:14,341 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:14,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:14,389 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:14,389 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:14,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:14,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:14,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:14,390 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:14,391 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:19:14,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:14,395 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:14,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:14,452 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:14,452 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:14,452 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:14,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:14,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:14,452 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:14,456 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:19:14,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:14,460 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:14,494 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:14,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:14,500 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:14,500 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 00:19:14,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:14,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:14,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:14,500 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:14,504 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:14,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:14,515 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:14,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:14,547 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:14,547 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 00:19:14,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:14,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:14,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:14,548 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:14,550 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:14,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:14,556 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:14,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:14,587 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:14,587 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 00:19:14,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:14,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:14,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:14,588 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:14,589 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:14,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:14,594 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:14,628 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:14,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:14,635 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:14,635 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:14,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:14,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:14,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:14,636 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:19:14,642 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:19:14,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:14,676 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:14,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:14,725 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:14,725 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:14,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:14,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:14,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:14,726 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:19:14,728 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:19:14,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:14,735 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:14,783 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 [2020-11-30 00:19:14,787 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:14,787 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:14,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:14,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:14,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:14,788 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:19:14,790 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:19:14,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:14,797 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:14,824 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:14,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:14,829 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:14,829 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:14,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:14,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:14,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:14,830 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:14,834 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:14,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:14,844 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:14,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:14,875 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:14,875 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:14,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:14,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:14,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:14,875 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:14,877 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:14,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:14,881 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:14,913 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 [2020-11-30 00:19:14,914 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:14,915 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:14,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:14,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:14,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:14,915 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:14,916 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:14,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:14,918 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:14,941 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:14,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:14,950 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:14,950 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:14,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:14,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:14,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:14,951 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 00:19:14,961 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:19:14,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:14,971 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:14,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:15,000 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:15,000 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:15,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:15,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:15,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:15,000 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 00:19:15,002 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:19:15,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:15,028 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:15,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:15,077 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:15,078 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:15,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:15,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:15,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:15,078 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 00:19:15,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:19:15,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:15,087 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:15,128 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:19:15,128 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:19:15,128 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:19:15,128 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:19:15,128 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-30 00:19:15,128 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:15,128 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:19:15,128 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:19:15,128 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Lasso [2020-11-30 00:19:15,128 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:19:15,129 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:19:15,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:15,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:15,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:15,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:15,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:15,284 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:19:15,285 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:15,288 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:19:15,288 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:15,295 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 00:19:15,295 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:15,323 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:19:15,323 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-30 00:19:15,326 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 00:19:15,327 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_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:15,359 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:19:15,359 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-30 00:19:15,363 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 00:19:15,363 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~debug~0=0} Honda state: {ULTIMATE.start_main_~debug~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:15,420 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:19:15,420 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-30 00:19:15,424 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 00:19:15,424 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1=0} Honda state: {ULTIMATE.start_main_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:15,474 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:19:15,474 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) [2020-11-30 00:19:15,519 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-30 00:19:15,519 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:15,906 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-30 00:19:15,908 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:19:15,908 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:19:15,908 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:19:15,908 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:19:15,908 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 00:19:15,909 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:15,909 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:19:15,909 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:19:15,909 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Lasso [2020-11-30 00:19:15,909 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:19:15,909 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:19:15,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:15,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:15,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:15,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:15,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:16,085 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:19:16,085 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:16,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:16,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:16,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:16,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:16,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:16,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:16,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:19:16,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:16,102 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:16,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:16,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:16,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:16,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:16,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:16,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:19:16,138 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:19:16,141 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:16,168 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 [2020-11-30 00:19:16,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:16,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:16,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:16,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:16,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:16,170 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:19:16,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:16,171 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) [2020-11-30 00:19:16,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:16,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:16,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:16,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:16,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:16,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:16,202 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:19:16,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:16,216 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:16,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:16,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:16,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:16,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:16,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:16,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:16,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:19:16,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:16,272 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:16,314 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) [2020-11-30 00:19:16,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:16,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:16,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:16,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:16,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:16,322 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:16,323 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:19:16,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:16,325 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:16,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:16,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:16,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:16,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:16,358 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:16,360 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 00:19:16,360 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-30 00:19:16,388 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) [2020-11-30 00:19:16,440 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 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:16,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:16,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:16,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:16,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:16,442 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:16,443 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:19:16,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:16,448 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) [2020-11-30 00:19:16,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:16,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:16,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:16,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:16,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:16,495 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:16,496 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:19:16,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:16,500 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) [2020-11-30 00:19:16,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:16,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:16,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:16,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:16,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:16,550 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:16,553 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:19:16,553 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 [2020-11-30 00:19:16,560 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:16,603 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) [2020-11-30 00:19:16,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:16,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:16,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:16,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:16,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:16,609 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:16,611 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:16,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:16,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) [2020-11-30 00:19:16,665 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 [2020-11-30 00:19:16,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:16,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:16,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:16,668 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:16,673 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 00:19:16,674 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:16,682 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) [2020-11-30 00:19:16,729 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 [2020-11-30 00:19:16,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:16,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:16,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:16,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:16,733 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:16,734 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:16,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:16,736 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/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) [2020-11-30 00:19:16,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:16,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:16,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:16,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:16,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:16,784 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:16,785 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:16,786 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 [2020-11-30 00:19:16,788 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:16,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:16,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:16,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:16,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:16,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:16,836 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:16,840 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:16,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:16,852 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:16,880 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:16,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:16,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:16,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:16,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:16,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:16,891 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:19:16,892 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:19:16,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:16,894 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 82 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 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:16,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:16,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:16,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:16,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:16,922 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:19:16,927 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 00:19:16,927 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-30 00:19:16,936 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 83 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 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:16,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:16,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:16,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:16,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:16,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:16,965 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:19:16,966 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:19:16,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:16,988 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:17,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:17,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:17,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:17,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,030 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:19:17,032 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:19:17,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,035 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:17,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:17,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:17,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:17,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,085 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:19:17,089 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:19:17,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,100 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:17,142 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:17,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:17,153 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:17,153 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:17,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:17,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,153 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:17,154 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:19:17,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,157 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 87 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 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:17,199 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:17,199 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:17,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,200 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:17,204 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 00:19:17,204 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-30 00:19:17,218 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 88 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 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:17,246 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:17,246 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:17,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:17,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,247 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:17,247 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:19:17,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:17,276 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:17,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:17,328 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:17,328 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:17,328 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:17,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,329 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:17,330 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:19:17,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,333 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:17,368 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 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,370 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:17,370 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:17,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:17,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,371 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:17,374 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:19:17,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:17,384 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:17,408 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 91 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 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:17,425 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:17,425 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 00:19:17,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:17,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,425 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:17,426 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:17,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:17,429 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 92 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 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:17,459 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:17,459 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 00:19:17,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,460 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:17,463 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 00:19:17,463 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 00:19:17,472 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 93 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 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:17,499 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:17,500 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 00:19:17,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:17,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,500 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:17,501 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:17,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:17,504 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 94 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 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:17,533 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:17,534 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 00:19:17,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:17,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,534 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:17,535 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:17,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:17,539 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 95 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 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:17,569 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:17,569 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 00:19:17,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:17,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,570 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:17,573 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:17,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:17,583 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:17,607 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 96 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 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:17,617 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:17,617 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:17,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:17,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,618 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:19:17,619 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:19:17,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:17,625 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:17,668 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 [2020-11-30 00:19:17,672 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:17,672 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:17,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,673 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:19:17,679 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 00:19:17,680 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,696 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:17,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:17,746 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:17,746 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:17,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:17,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,747 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:19:17,748 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:19:17,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,755 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:17,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:17,805 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:17,805 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:17,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:17,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,806 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:19:17,807 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:19:17,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,814 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:17,856 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 [2020-11-30 00:19:17,859 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:17,860 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:17,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:17,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,860 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:19:17,866 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:19:17,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,885 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:17,925 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:17,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:17,931 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:17,931 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:17,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:17,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,932 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:17,933 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:17,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,937 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:17,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:17,985 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:17,985 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:17,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,985 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:17,990 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 00:19:17,990 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,998 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:18,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:18,043 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:18,043 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:18,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:18,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:18,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:18,044 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:18,045 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:18,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:18,048 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:18,094 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:18,097 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:18,097 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:18,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:18,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:18,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:18,097 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:18,099 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:18,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:18,103 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:18,147 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 [2020-11-30 00:19:18,150 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:18,150 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:18,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:18,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:18,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:18,150 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:18,154 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:18,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:18,162 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:18,204 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:18,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:18,212 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:18,212 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:18,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:18,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:18,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:18,212 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 00:19:18,214 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:19:18,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:18,219 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:18,266 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 [2020-11-30 00:19:18,269 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:18,269 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:18,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:18,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:18,269 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 00:19:18,277 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-11-30 00:19:18,277 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:18,290 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:18,335 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 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:18,341 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:18,342 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:18,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:18,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:18,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:18,342 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 00:19:18,344 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:19:18,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:18,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:18,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:18,396 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:18,396 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:18,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:18,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:18,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:18,397 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 00:19:18,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:19:18,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:18,403 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:18,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:18,450 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:18,450 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:18,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:18,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:18,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:18,450 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 00:19:18,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:19:18,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:18,468 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:18,509 INFO L473 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2020-11-30 00:19:18,510 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2020-11-30 00:19:18,510 INFO L796 eck$LassoCheckResult]: Loop: 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2020-11-30 00:19:18,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:18,510 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 2 times [2020-11-30 00:19:18,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:19:18,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703791690] [2020-11-30 00:19:18,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:19:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:18,540 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:18,550 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:18,555 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:19:18,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:18,559 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 2 times [2020-11-30 00:19:18,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:19:18,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393811137] [2020-11-30 00:19:18,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:19:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:18,573 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:18,593 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:18,595 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:19:18,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:18,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1365720352, now seen corresponding path program 3 times [2020-11-30 00:19:18,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:19:18,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697551085] [2020-11-30 00:19:18,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:19:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:18,700 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:18,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697551085] [2020-11-30 00:19:18,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:19:18,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:19:18,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58858668] [2020-11-30 00:19:18,779 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:19:18,779 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:19:18,779 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:19:18,779 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:19:18,779 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-30 00:19:18,780 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:18,780 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:19:18,780 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:19:18,780 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2020-11-30 00:19:18,780 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:19:18,780 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:19:18,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:18,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:18,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:18,923 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:19:18,923 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:18,926 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:19:18,926 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:18,975 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-30 00:19:18,975 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:19,199 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-30 00:19:19,201 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:19:19,201 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:19:19,201 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:19:19,201 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:19:19,201 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 00:19:19,201 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:19,202 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:19:19,202 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:19:19,202 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2020-11-30 00:19:19,202 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:19:19,202 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:19:19,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:19,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:19,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:19,336 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:19:19,336 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:19,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:19,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:19,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:19,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:19,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:19,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:19,350 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:19:19,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:19,353 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 114 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 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:19,383 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:19,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:19,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:19,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:19,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:19,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:19,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:19:19,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:19,388 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 115 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 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:19,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:19,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:19,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:19,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:19,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:19,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:19,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:19:19,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:19,432 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:19,456 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 116 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 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:19,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:19,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:19,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:19,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:19,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:19,460 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:19,462 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:19:19,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:19,465 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 117 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 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:19,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:19,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:19,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:19,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:19,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:19,494 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:19,495 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:19:19,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:19,506 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 118 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 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:19,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:19,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:19,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:19,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:19,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:19,534 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:19,535 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:19:19,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:19,536 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:19,559 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 119 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 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:19,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:19,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:19,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:19,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:19,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:19,564 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:19,566 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:19,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:19,572 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 120 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 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:19,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:19,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:19,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:19,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:19,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:19,597 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:19,598 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:19,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:19,599 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 121 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 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:19,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:19,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:19,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:19,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:19,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:19,623 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:19,624 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:19,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:19,626 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:19,650 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 122 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 122 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:19,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:19,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:19,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:19,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:19,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:19,654 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:19:19,659 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:19:19,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:19,680 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 123 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 123 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:19,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:19,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:19,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:19,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:19,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:19,717 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:19:19,718 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:19:19,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:19,720 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 124 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:19,747 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 124 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:19,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:19,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:19,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:19,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:19,750 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:19:19,750 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:19:19,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:19,753 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:19,777 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 125 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 125 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:19,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:19,790 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:19,790 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:19,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:19,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:19,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:19,791 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:19,793 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:19:19,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:19,798 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 126 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 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:19,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:19,827 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:19,827 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:19,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:19,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:19,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:19,828 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:19,829 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:19:19,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:19,831 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 127 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 127 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:19,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:19,860 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:19,860 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:19,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:19,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:19,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:19,860 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:19:19,861 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:19:19,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:19,863 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:19,887 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 128 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 128 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:19,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:19,895 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:19,895 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 00:19:19,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:19,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:19,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:19,895 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:19,898 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:19,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:19,907 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:19,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:19,990 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:19,990 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 00:19:19,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:19,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:19,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:19,991 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:19,993 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:19,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:19,997 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:20,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:20,047 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:20,047 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 00:19:20,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:20,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:20,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:20,048 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:20,049 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:20,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:20,054 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:20,089 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 131 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 131 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:20,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:20,094 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:20,094 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:20,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:20,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:20,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:20,095 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:19:20,099 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:19:20,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:20,114 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 132 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 132 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:20,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:20,143 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:20,144 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:20,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:20,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:20,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:20,144 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:19:20,146 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:19:20,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:20,153 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 133 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 133 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:20,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:20,206 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:20,206 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:20,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:20,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:20,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:20,206 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 00:19:20,210 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 00:19:20,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:20,216 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:20,259 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:20,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:20,268 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:20,268 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:20,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:20,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:20,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:20,269 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:20,273 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:20,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:20,284 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:20,343 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 [2020-11-30 00:19:20,346 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:20,346 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:20,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:20,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:20,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:20,347 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:20,349 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:20,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:20,353 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:20,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:20,401 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:20,401 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 00:19:20,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:20,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:20,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:20,402 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 00:19:20,403 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 00:19:20,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:20,407 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:20,449 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:20,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:20,458 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:20,458 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:20,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:20,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:20,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:20,459 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. Waiting until toolchain timeout for monitored process 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:20,464 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:19:20,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:20,472 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 138 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 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:20,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:20,499 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:20,499 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:20,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:20,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:20,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:20,500 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 00:19:20,501 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:19:20,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:20,504 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 139 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 139 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:20,530 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 [2020-11-30 00:19:20,532 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 00:19:20,533 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 00:19:20,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:20,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:20,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:20,533 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 00:19:20,534 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:19:20,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:20,549 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:19:20,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:19:20,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:19:20,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:19:20,574 INFO L87 Difference]: Start difference. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand 3 states. [2020-11-30 00:19:20,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:19:20,587 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2020-11-30 00:19:20,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:19:20,588 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. [2020-11-30 00:19:20,588 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-30 00:19:20,589 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 7 transitions. [2020-11-30 00:19:20,589 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2020-11-30 00:19:20,589 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2020-11-30 00:19:20,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2020-11-30 00:19:20,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:19:20,590 INFO L691 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2020-11-30 00:19:20,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2020-11-30 00:19:20,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2020-11-30 00:19:20,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-11-30 00:19:20,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2020-11-30 00:19:20,591 INFO L714 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2020-11-30 00:19:20,591 INFO L594 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2020-11-30 00:19:20,591 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-30 00:19:20,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2020-11-30 00:19:20,592 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-30 00:19:20,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:19:20,592 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:19:20,592 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-30 00:19:20,593 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-30 00:19:20,593 INFO L794 eck$LassoCheckResult]: Stem: 54#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 55#L23-1 assume !!(main_~x~0 < 255); 57#L18 assume !(0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2));main_~x~0 := 2 + main_~x~0; 52#L18-2 [2020-11-30 00:19:20,593 INFO L796 eck$LassoCheckResult]: Loop: 52#L18-2 assume !(0 != main_~debug~0); 53#L23-1 assume !!(main_~x~0 < 255); 56#L18 assume !(0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2));main_~x~0 := 2 + main_~x~0; 52#L18-2 [2020-11-30 00:19:20,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:20,593 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2020-11-30 00:19:20,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:19:20,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906060384] [2020-11-30 00:19:20,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:19:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:20,601 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:20,607 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:20,608 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:19:20,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:20,609 INFO L82 PathProgramCache]: Analyzing trace with hash 50297, now seen corresponding path program 1 times [2020-11-30 00:19:20,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:19:20,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213948182] [2020-11-30 00:19:20,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:19:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:20,616 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:20,620 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:20,621 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:19:20,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:20,622 INFO L82 PathProgramCache]: Analyzing trace with hash 925835413, now seen corresponding path program 1 times [2020-11-30 00:19:20,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:19:20,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902271924] [2020-11-30 00:19:20,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:19:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:20,632 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:20,640 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:20,642 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:19:20,701 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:19:20,701 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:19:20,702 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:19:20,702 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:19:20,702 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-30 00:19:20,702 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:20,702 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:19:20,702 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:19:20,702 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration3_Loop [2020-11-30 00:19:20,702 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:19:20,702 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:19:20,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:20,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:20,845 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:19:20,846 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 140 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:20,850 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:19:20,850 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-30 00:19:20,854 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 00:19:20,855 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~debug~0=0} Honda state: {ULTIMATE.start_main_~debug~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] Waiting until toolchain timeout for monitored process 140 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 141 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:20,900 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:19:20,900 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 141 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 142 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 142 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:20,943 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-30 00:19:20,943 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-30 00:19:20,972 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-30 00:19:20,973 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:19:20,973 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:19:20,974 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:19:20,974 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:19:20,974 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 00:19:20,974 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:20,974 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:19:20,974 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:19:20,974 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration3_Loop [2020-11-30 00:19:20,974 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:19:20,974 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:19:20,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:20,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:21,066 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:19:21,067 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 143 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 143 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:21,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:21,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:21,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:21,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:21,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:21,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:21,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:19:21,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:21,075 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 144 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 144 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:21,102 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 [2020-11-30 00:19:21,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:21,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:21,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:21,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:21,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:21,106 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:19:21,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:21,109 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 00:19:21,112 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-30 00:19:21,112 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_454a9c9e-732f-4b3d-adf5-d07df2f63200/bin/uautomizer/z3 Starting monitored process 145 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:21,116 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-30 00:19:21,116 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-30 00:19:21,116 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 00:19:21,117 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~x~0 + 255 Supporting invariants [] Waiting until toolchain timeout for monitored process 145 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:21,146 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-30 00:19:21,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:21,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:19:21,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:19:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:21,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 00:19:21,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:19:21,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:21,413 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-30 00:19:21,414 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand 4 states. [2020-11-30 00:19:21,465 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand 4 states. Result 12 states and 14 transitions. Complement of second has 6 states. [2020-11-30 00:19:21,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-30 00:19:21,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-30 00:19:21,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2020-11-30 00:19:21,469 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2020-11-30 00:19:21,470 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:19:21,470 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2020-11-30 00:19:21,470 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:19:21,470 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2020-11-30 00:19:21,470 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:19:21,471 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2020-11-30 00:19:21,472 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:19:21,472 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2020-11-30 00:19:21,472 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 00:19:21,472 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 00:19:21,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 00:19:21,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:19:21,472 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:19:21,472 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:19:21,472 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:19:21,472 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-30 00:19:21,473 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:19:21,473 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:19:21,473 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-30 00:19:21,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 12:19:21 BoogieIcfgContainer [2020-11-30 00:19:21,481 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 00:19:21,482 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:19:21,482 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:19:21,483 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:19:21,483 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:19:08" (3/4) ... [2020-11-30 00:19:21,487 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:19:21,487 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:19:21,488 INFO L168 Benchmark]: Toolchain (without parser) took 13792.27 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 71.4 MB in the beginning and 74.5 MB in the end (delta: -3.1 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:21,489 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 81.8 MB. Free memory was 43.4 MB in the beginning and 43.4 MB in the end (delta: 53.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:19:21,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.49 ms. Allocated memory is still 100.7 MB. Free memory was 71.1 MB in the beginning and 80.2 MB in the end (delta: -9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:21,490 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.44 ms. Allocated memory is still 100.7 MB. Free memory was 80.2 MB in the beginning and 78.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:19:21,490 INFO L168 Benchmark]: Boogie Preprocessor took 27.78 ms. Allocated memory is still 100.7 MB. Free memory was 78.8 MB in the beginning and 78.0 MB in the end (delta: 794.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:19:21,491 INFO L168 Benchmark]: RCFGBuilder took 307.79 ms. Allocated memory is still 100.7 MB. Free memory was 78.0 MB in the beginning and 69.5 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:21,492 INFO L168 Benchmark]: BuchiAutomizer took 13092.27 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 69.5 MB in the beginning and 74.5 MB in the end (delta: -5.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:21,492 INFO L168 Benchmark]: Witness Printer took 4.90 ms. Allocated memory is still 121.6 MB. Free memory is still 74.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:19:21,495 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 81.8 MB. Free memory was 43.4 MB in the beginning and 43.4 MB in the end (delta: 53.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 310.49 ms. Allocated memory is still 100.7 MB. Free memory was 71.1 MB in the beginning and 80.2 MB in the end (delta: -9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.44 ms. Allocated memory is still 100.7 MB. Free memory was 80.2 MB in the beginning and 78.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.78 ms. Allocated memory is still 100.7 MB. Free memory was 78.8 MB in the beginning and 78.0 MB in the end (delta: 794.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 307.79 ms. Allocated memory is still 100.7 MB. Free memory was 78.0 MB in the beginning and 69.5 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 13092.27 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 69.5 MB in the beginning and 74.5 MB in the end (delta: -5.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.90 ms. Allocated memory is still 121.6 MB. Free memory is still 74.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * x + 255 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 12.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 12 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp81 ukn100 mio100 lsp100 div347 bol100 ite100 ukn100 eq148 hnf51 smp85 dnf100 smp100 tf105 neg98 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 32ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...