./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/underapprox_2-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/underapprox_2-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 32bit --witnessprinter.graph.data.programhash 452a4ddc5d154328a041fd76cdcbb5b63a51957d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:08:12,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:08:12,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:08:12,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:08:12,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:08:12,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:08:12,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:08:12,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:08:12,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:08:12,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:08:12,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:08:12,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:08:12,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:08:12,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:08:12,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:08:12,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:08:12,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:08:12,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:08:12,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:08:12,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:08:12,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:08:12,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:08:12,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:08:12,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:08:12,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:08:12,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:08:12,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:08:12,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:08:12,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:08:12,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:08:12,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:08:12,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:08:12,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:08:12,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:08:12,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:08:12,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:08:12,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:08:12,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:08:12,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:08:12,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:08:12,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:08:12,216 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 17:08:12,228 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:08:12,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:08:12,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:08:12,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:08:12,229 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:08:12,229 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:08:12,229 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:08:12,229 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:08:12,229 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:08:12,229 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:08:12,230 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:08:12,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:08:12,230 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:08:12,230 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:08:12,230 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:08:12,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:08:12,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:08:12,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:08:12,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:08:12,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:08:12,231 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:08:12,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:08:12,231 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:08:12,231 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:08:12,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:08:12,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:08:12,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:08:12,232 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:08:12,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:08:12,232 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:08:12,232 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:08:12,232 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:08:12,232 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:08:12,233 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 452a4ddc5d154328a041fd76cdcbb5b63a51957d [2019-12-07 17:08:12,330 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:08:12,339 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:08:12,341 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:08:12,342 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:08:12,342 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:08:12,343 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/../../sv-benchmarks/c/loop-acceleration/underapprox_2-1.c [2019-12-07 17:08:12,383 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/data/2373488ae/a21692421a7a44efafe591f662595988/FLAGaeb3a3538 [2019-12-07 17:08:12,787 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:08:12,788 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/sv-benchmarks/c/loop-acceleration/underapprox_2-1.c [2019-12-07 17:08:12,792 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/data/2373488ae/a21692421a7a44efafe591f662595988/FLAGaeb3a3538 [2019-12-07 17:08:12,801 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/data/2373488ae/a21692421a7a44efafe591f662595988 [2019-12-07 17:08:12,803 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:08:12,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:08:12,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:08:12,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:08:12,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:08:12,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:08:12" (1/1) ... [2019-12-07 17:08:12,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119a7e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:08:12, skipping insertion in model container [2019-12-07 17:08:12,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:08:12" (1/1) ... [2019-12-07 17:08:12,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:08:12,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:08:12,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:08:12,930 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:08:12,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:08:12,981 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:08:12,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:08:12 WrapperNode [2019-12-07 17:08:12,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:08:12,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:08:12,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:08:12,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:08:12,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:08:12" (1/1) ... [2019-12-07 17:08:12,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:08:12" (1/1) ... [2019-12-07 17:08:13,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:08:13,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:08:13,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:08:13,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:08:13,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:08:12" (1/1) ... [2019-12-07 17:08:13,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:08:12" (1/1) ... [2019-12-07 17:08:13,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:08:12" (1/1) ... [2019-12-07 17:08:13,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:08:12" (1/1) ... [2019-12-07 17:08:13,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:08:12" (1/1) ... [2019-12-07 17:08:13,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:08:12" (1/1) ... [2019-12-07 17:08:13,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:08:12" (1/1) ... [2019-12-07 17:08:13,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:08:13,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:08:13,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:08:13,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:08:13,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:08:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:08:13,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:08:13,145 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:08:13,146 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 17:08:13,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:08:13 BoogieIcfgContainer [2019-12-07 17:08:13,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:08:13,148 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:08:13,148 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:08:13,150 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:08:13,151 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:08:13,151 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:08:12" (1/3) ... [2019-12-07 17:08:13,152 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@789bb650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:08:13, skipping insertion in model container [2019-12-07 17:08:13,152 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:08:13,152 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:08:12" (2/3) ... [2019-12-07 17:08:13,152 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@789bb650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:08:13, skipping insertion in model container [2019-12-07 17:08:13,152 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:08:13,152 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:08:13" (3/3) ... [2019-12-07 17:08:13,153 INFO L371 chiAutomizerObserver]: Analyzing ICFG underapprox_2-1.c [2019-12-07 17:08:13,183 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:08:13,183 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:08:13,183 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:08:13,183 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:08:13,183 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:08:13,184 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:08:13,184 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:08:13,184 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:08:13,194 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-12-07 17:08:13,207 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 17:08:13,207 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:08:13,207 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:08:13,211 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 17:08:13,211 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 17:08:13,211 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:08:13,211 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-12-07 17:08:13,212 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 17:08:13,212 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:08:13,212 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:08:13,212 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 17:08:13,212 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 17:08:13,217 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 6#L14-2true [2019-12-07 17:08:13,217 INFO L796 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 6#L14-2true [2019-12-07 17:08:13,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:08:13,221 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-12-07 17:08:13,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:08:13,227 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470910642] [2019-12-07 17:08:13,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:08:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:08:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:08:13,289 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:08:13,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:08:13,290 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-12-07 17:08:13,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:08:13,290 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991425506] [2019-12-07 17:08:13,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:08:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:08:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:08:13,304 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:08:13,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:08:13,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-12-07 17:08:13,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:08:13,306 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152045900] [2019-12-07 17:08:13,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:08:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:08:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:08:13,319 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:08:13,354 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:08:13,355 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:08:13,355 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:08:13,355 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:08:13,355 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 17:08:13,355 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:13,356 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:08:13,356 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:08:13,356 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_2-1.c_Iteration1_Loop [2019-12-07 17:08:13,356 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:08:13,356 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:08:13,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:13,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:13,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:13,465 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:08:13,465 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:13,474 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:08:13,475 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:13,483 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 17:08:13,483 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:08:13,497 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 17:08:13,498 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:08:13,498 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:08:13,499 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:08:13,499 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:08:13,499 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:08:13,499 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:13,499 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:08:13,499 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:08:13,499 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_2-1.c_Iteration1_Loop [2019-12-07 17:08:13,499 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:08:13,499 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:08:13,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:13,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:13,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:13,555 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:08:13,558 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:13,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:13,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:13,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:13,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:13,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:13,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:08:13,566 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:08:13,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:13,569 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:13,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:13,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:13,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:13,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:13,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:13,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:08:13,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:08:13,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:13,576 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:13,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:13,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:13,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:13,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:13,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:13,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:08:13,583 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:08:13,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:13,585 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:13,586 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:13,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:13,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:13,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:13,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:13,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:13,591 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:13,593 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 17:08:13,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:13,596 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:13,600 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:13,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:13,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:13,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:13,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:13,602 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:13,603 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 17:08:13,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:13,605 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:13,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:13,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:13,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:13,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:13,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:13,611 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:13,612 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 17:08:13,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:13,613 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:13,614 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:13,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:13,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:13,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:13,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:13,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:13,619 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:13,622 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:13,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:13,625 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:13,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:13,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:13,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:13,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:13,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:13,631 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:13,632 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:13,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:13,634 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:13,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:13,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:13,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:13,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:13,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:13,640 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:13,641 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:13,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:13,644 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:13,645 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:13,648 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 [2019-12-07 17:08:13,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:13,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:13,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:13,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:13,650 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:13,652 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 17:08:13,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:13,656 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:13,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:13,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:13,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:13,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:13,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:13,662 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:13,663 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 17:08:13,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:13,664 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:13,668 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 [2019-12-07 17:08:13,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:13,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:13,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:13,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:13,671 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:13,672 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 17:08:13,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:13,674 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:13,676 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:13,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:13,680 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:13,680 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:13,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:13,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:13,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:13,680 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:13,683 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 17:08:13,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:13,689 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:13,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:13,694 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:13,694 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:13,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:13,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:13,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:13,694 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:13,695 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 17:08:13,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:13,698 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:13,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:13,705 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:13,705 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:13,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:13,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:13,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:13,706 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:13,707 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 17:08:13,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:13,711 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:13,712 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:13,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:13,717 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:13,717 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 17:08:13,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:13,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:13,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:13,717 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:13,720 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:13,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:13,727 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:13,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:13,732 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:13,732 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 17:08:13,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:13,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:13,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:13,733 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:13,734 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:13,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:13,737 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:13,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:13,744 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:13,744 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 17:08:13,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:13,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:13,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:13,744 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:13,747 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:13,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:13,754 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:13,755 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:13,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:13,761 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:13,761 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:13,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:13,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:13,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:13,761 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:13,765 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 17:08:13,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:13,781 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:13,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:13,787 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:13,787 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:13,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:13,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:13,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:13,787 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:13,789 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 17:08:13,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:13,793 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:13,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:13,799 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:13,799 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:13,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:13,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:13,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:13,799 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:13,803 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 17:08:13,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:13,813 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:13,815 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:13,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:13,819 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:13,820 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:13,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:13,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:13,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:13,820 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:13,822 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:13,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:13,827 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:13,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:13,833 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:13,833 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:13,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:13,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:13,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:13,833 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:13,834 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:13,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:13,837 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:13,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:13,843 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:13,843 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:13,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:13,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:13,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:13,844 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:13,845 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:13,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:13,850 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:13,851 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:13,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:13,855 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:13,855 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:13,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:13,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:13,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:13,856 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 17:08:13,859 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:08:13,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:13,865 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:13,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:13,871 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:13,871 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:13,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:13,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:13,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:13,872 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 17:08:13,873 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:08:13,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:13,876 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:13,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:13,881 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:13,881 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:13,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:13,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:13,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:13,881 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 17:08:13,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:08:13,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:13,891 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:13,898 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:08:13,898 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:08:13,899 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:08:13,899 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:08:13,899 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 17:08:13,899 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:13,899 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:08:13,899 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:08:13,899 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_2-1.c_Iteration1_Lasso [2019-12-07 17:08:13,899 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:08:13,899 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:08:13,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:13,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:13,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:13,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:13,959 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:08:13,959 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:13,962 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:08:13,962 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:08:13,967 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:08:13,967 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:13,971 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:08:13,971 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:13,978 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 17:08:13,978 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:08:13,991 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 17:08:13,992 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:08:13,992 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:08:13,992 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:08:13,992 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:08:13,992 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:08:13,992 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:13,993 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:08:13,993 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:08:13,993 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_2-1.c_Iteration1_Lasso [2019-12-07 17:08:13,993 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:08:13,993 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:08:13,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:14,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:14,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:14,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:14,060 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:08:14,060 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:14,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:14,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:08:14,069 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:08:14,069 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:08:14,073 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:14,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:14,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:14,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:08:14,096 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:08:14,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:14,097 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:14,102 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 [2019-12-07 17:08:14,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:14,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:08:14,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:08:14,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:08:14,113 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:14,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:14,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:14,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:08:14,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:08:14,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:14,122 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:14,123 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:14,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:14,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,128 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:14,131 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 17:08:14,132 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 17:08:14,140 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:14,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:14,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:14,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,146 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:14,146 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 17:08:14,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:14,148 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:14,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:14,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,154 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:14,156 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 17:08:14,156 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 17:08:14,165 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:14,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:14,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:14,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,170 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:14,171 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 17:08:14,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:14,172 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:14,173 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:14,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:14,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,178 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:14,181 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 17:08:14,181 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 17:08:14,192 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:14,196 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 [2019-12-07 17:08:14,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:14,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:14,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,198 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:14,198 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:14,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:14,199 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:14,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:14,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,208 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:14,210 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 17:08:14,210 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 17:08:14,220 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:14,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:14,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:14,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,226 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:14,226 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:14,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:14,228 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:14,229 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:14,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:14,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,234 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:14,238 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 17:08:14,238 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 17:08:14,251 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:14,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:14,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:14,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,257 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:14,257 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 17:08:14,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:14,259 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:14,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:14,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,264 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:14,267 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 17:08:14,267 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 17:08:14,278 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:14,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:14,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:14,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,284 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:14,284 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 17:08:14,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:14,286 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:14,287 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:14,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,291 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:14,292 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:14,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,292 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:14,295 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 17:08:14,295 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 17:08:14,308 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:14,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,314 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:14,315 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:14,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:14,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,315 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:14,315 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 17:08:14,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:14,318 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:14,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,323 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:14,323 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:14,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,324 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:14,326 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 17:08:14,326 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 17:08:14,346 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:14,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,351 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:14,351 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:14,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:14,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,351 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:14,352 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 17:08:14,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:14,355 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:14,356 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:14,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,360 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:14,360 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 17:08:14,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,361 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:14,365 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 17:08:14,365 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 17:08:14,383 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:14,387 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 [2019-12-07 17:08:14,388 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:14,388 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 17:08:14,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:14,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,388 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:14,389 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:14,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:14,391 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:14,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,397 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:14,397 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 17:08:14,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,398 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:14,401 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 17:08:14,401 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 17:08:14,456 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:14,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,461 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:14,461 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 17:08:14,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:14,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,462 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:14,462 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:14,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:14,465 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:14,466 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:14,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,470 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:14,470 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:14,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,471 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:14,475 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 17:08:14,475 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 17:08:14,504 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:14,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,510 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:14,511 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:14,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:14,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,511 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:14,512 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 17:08:14,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:14,518 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:14,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,523 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:14,523 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:14,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,523 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:14,528 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 17:08:14,528 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 17:08:14,710 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:14,714 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 [2019-12-07 17:08:14,715 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:14,715 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:14,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:14,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,716 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:14,717 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 17:08:14,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:14,721 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:14,722 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:14,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,730 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:14,730 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:14,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,730 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:14,734 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 17:08:14,734 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 17:08:14,745 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:14,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,751 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:14,751 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:14,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:14,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,751 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:14,752 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:14,752 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:14,754 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:14,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,760 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:14,760 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:14,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,761 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:14,763 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 17:08:14,763 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 17:08:14,779 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/z3 Starting monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:14,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,785 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:14,785 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:14,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:14,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,786 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:14,786 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:14,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:14,788 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:14,790 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:14,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,794 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:14,794 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:14,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,794 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 17:08:14,800 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 17:08:14,800 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 17:08:14,824 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:14,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,829 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:14,829 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:14,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:14,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,830 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 17:08:14,831 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:08:14,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:14,833 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:14,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,839 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:14,839 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:14,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,840 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 17:08:14,844 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 17:08:14,844 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 17:08:14,901 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/z3 Starting monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:14,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:14,907 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:14,907 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:14,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:14,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:14,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:14,908 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 17:08:14,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:08:14,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:14,912 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:14,914 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-12-07 17:08:14,914 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 6#L14-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 6#L14-2true [2019-12-07 17:08:14,914 INFO L796 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 6#L14-2true [2019-12-07 17:08:14,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:08:14,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2019-12-07 17:08:14,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:08:14,915 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008629265] [2019-12-07 17:08:14,915 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:08:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:08:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:08:14,924 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:08:14,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:08:14,924 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2019-12-07 17:08:14,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:08:14,925 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468025312] [2019-12-07 17:08:14,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:08:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:08:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:08:14,930 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:08:14,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:08:14,930 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2019-12-07 17:08:14,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:08:14,931 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262492880] [2019-12-07 17:08:14,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:08:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:08:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:08:14,943 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:08:14,953 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:08:14,953 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:08:14,953 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:08:14,953 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:08:14,953 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 17:08:14,953 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:14,953 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:08:14,953 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:08:14,953 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_2-1.c_Iteration1_Loop [2019-12-07 17:08:14,953 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:08:14,953 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:08:14,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:14,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:14,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:14,994 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:08:14,995 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:14,997 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:08:14,997 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/z3 Starting monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,006 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 17:08:15,007 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:08:15,028 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 17:08:15,030 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:08:15,030 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:08:15,030 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:08:15,030 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:08:15,030 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:08:15,030 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,030 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:08:15,030 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:08:15,030 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_2-1.c_Iteration1_Loop [2019-12-07 17:08:15,030 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:08:15,030 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:08:15,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:15,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:15,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:15,073 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:08:15,073 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:15,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:08:15,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:08:15,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/z3 Starting monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:08:15,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:08:15,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,087 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,091 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 [2019-12-07 17:08:15,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:08:15,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:08:15,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,094 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:15,095 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,100 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:15,101 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 17:08:15,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,103 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,111 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:15,111 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 17:08:15,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,113 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,118 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:15,118 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 17:08:15,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,120 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:15,121 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,125 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:15,126 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:15,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,129 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/bin/uautomizer/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,133 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 [2019-12-07 17:08:15,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,135 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:15,135 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:15,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,137 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,142 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:15,142 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:15,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,144 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:15,145 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:15,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,149 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:15,150 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 17:08:15,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,153 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:15,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,158 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:15,159 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 17:08:15,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,160 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:15,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,166 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:15,167 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 17:08:15,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,168 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:15,169 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,177 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 [2019-12-07 17:08:15,178 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:15,178 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:15,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,179 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:15,180 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 17:08:15,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,184 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,208 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:15,208 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:15,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,208 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:15,209 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 17:08:15,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,211 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,215 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:15,216 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:15,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,216 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:15,217 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 17:08:15,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,220 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:15,221 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:15,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,225 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:15,225 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 17:08:15,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,226 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:15,227 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:15,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,236 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:15,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,240 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:15,240 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 17:08:15,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,241 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:15,241 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:15,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,244 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,249 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:15,249 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 17:08:15,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,249 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:15,250 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:15,250 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,255 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:15,256 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,260 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:15,260 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:15,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,261 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:15,263 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 17:08:15,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,273 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:15,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,279 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:15,279 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:15,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,279 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:15,280 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 17:08:15,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,286 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:15,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,291 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:15,291 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:15,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,291 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:15,293 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 17:08:15,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,302 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:15,303 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:15,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,307 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:15,307 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:15,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,308 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:15,309 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:15,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,314 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:15,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,319 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:15,319 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:15,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,320 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:15,320 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:15,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,323 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:15,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,328 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:15,328 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:15,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,329 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:15,330 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:15,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,334 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:15,335 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:15,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,339 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:15,339 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:15,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,339 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 17:08:15,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:08:15,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,347 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,352 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:15,352 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:15,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,352 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 17:08:15,353 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:08:15,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,356 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,361 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:15,361 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:15,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,361 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 17:08:15,362 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:08:15,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,369 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:15,385 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:08:15,386 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:08:15,386 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:08:15,386 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:08:15,386 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 17:08:15,386 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,386 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:08:15,386 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:08:15,386 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_2-1.c_Iteration1_Lasso [2019-12-07 17:08:15,386 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:08:15,386 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:08:15,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:15,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:15,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:15,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:15,435 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:08:15,435 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,437 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:08:15,437 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,444 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 17:08:15,444 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:08:15,456 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:08:15,457 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=2} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=-1}, {ULTIMATE.start_main_~y~0=5}, {ULTIMATE.start_main_~y~0=-2}] Lambdas: [7, 2, 2] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,461 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:08:15,461 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,468 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 17:08:15,468 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:08:15,493 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 17:08:15,495 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:08:15,495 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:08:15,495 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:08:15,495 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:08:15,495 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:08:15,495 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,495 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:08:15,495 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:08:15,495 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_2-1.c_Iteration1_Lasso [2019-12-07 17:08:15,495 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:08:15,495 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:08:15,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:15,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:15,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:15,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:08:15,551 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:08:15,551 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:08:15,558 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:08:15,559 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:08:15,563 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,566 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 [2019-12-07 17:08:15,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:08:15,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:08:15,570 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:08:15,574 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:08:15,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:08:15,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,580 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,583 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 [2019-12-07 17:08:15,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:08:15,585 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:08:15,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,586 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:15,587 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,590 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:15,592 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 17:08:15,592 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 17:08:15,597 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,602 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:15,604 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 17:08:15,604 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 17:08:15,610 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,615 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:15,615 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 17:08:15,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,616 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,620 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,622 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:15,622 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 17:08:15,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,623 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:15,624 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,629 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:15,630 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 17:08:15,630 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 17:08:15,639 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,644 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:15,646 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 17:08:15,646 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 17:08:15,655 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,660 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:15,660 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:15,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,661 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:15,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,666 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:15,666 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:15,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,668 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:15,668 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:15,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,672 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:15,675 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 17:08:15,675 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 17:08:15,684 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:15,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,690 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:15,692 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 17:08:15,692 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 17:08:15,702 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:15,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,707 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:15,708 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 17:08:15,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,709 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:15,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:08:15,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,715 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:15,715 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 17:08:15,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,716 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:15,717 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:15,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,721 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:15,721 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:15,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,721 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:15,723 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 17:08:15,723 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 17:08:15,735 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:15,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,740 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:15,740 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:15,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,740 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:15,742 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 17:08:15,742 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 17:08:15,752 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:15,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,758 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:15,758 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:15,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,758 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:15,758 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 17:08:15,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,760 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:15,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,765 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:15,765 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:15,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,765 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 17:08:15,765 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 17:08:15,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,767 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:15,768 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:15,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,772 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:15,772 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 17:08:15,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,772 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:15,774 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 17:08:15,775 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 17:08:15,823 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 124 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:15,827 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 [2019-12-07 17:08:15,828 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:15,828 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 17:08:15,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,829 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:15,831 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 17:08:15,831 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 17:08:15,852 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:15,856 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 [2019-12-07 17:08:15,858 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:15,858 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 17:08:15,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,858 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:15,859 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:15,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,861 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:15,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,867 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:15,867 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 17:08:15,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:15,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,867 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:15,868 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:15,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:15,870 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:15,871 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:15,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:15,875 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:15,875 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:15,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:15,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:15,875 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:15,880 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 17:08:15,880 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 17:08:16,003 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:16,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:16,009 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:16,009 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:16,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:16,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:16,009 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:16,013 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 17:08:16,013 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 17:08:16,045 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:16,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:16,051 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:16,051 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:16,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:16,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:16,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:16,051 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:16,052 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 17:08:16,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:16,055 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:16,059 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:16,060 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:16,060 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:16,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:16,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:16,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:16,060 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 17:08:16,061 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 17:08:16,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:16,064 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:16,065 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:16,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:16,069 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:16,069 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:16,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:16,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:16,070 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:16,072 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 17:08:16,072 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 17:08:16,088 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:16,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:16,094 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:16,095 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:16,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:16,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:16,095 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:16,099 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 17:08:16,099 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 17:08:16,111 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:16,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:16,130 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:16,130 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:16,130 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:16,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:16,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:16,130 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:16,130 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:16,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:16,132 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:16,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:16,137 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:16,137 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 17:08:16,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:16,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:16,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:16,138 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 17:08:16,138 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:08:16,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:16,140 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:16,140 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:16,143 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 [2019-12-07 17:08:16,144 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:16,144 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:16,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:16,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:16,144 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 17:08:16,147 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 17:08:16,147 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 17:08:16,220 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:16,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:16,225 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:16,225 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:16,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:16,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:16,225 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 17:08:16,229 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 17:08:16,229 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 17:08:16,264 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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) Waiting until toolchain timeout for monitored process 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:08:16,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:16,269 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:16,269 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:16,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:16,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:16,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:16,269 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 17:08:16,269 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:08:16,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:16,272 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_890ef935-cf80-4c52-a6dc-1d2fba0215b9/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 [2019-12-07 17:08:16,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:08:16,277 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 17:08:16,277 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 17:08:16,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:08:16,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:08:16,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:08:16,277 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 17:08:16,278 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:08:16,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:08:16,280 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 17:08:16,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 05:08:16 BoogieIcfgContainer [2019-12-07 17:08:16,286 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 17:08:16,286 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:08:16,286 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:08:16,286 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:08:16,287 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:08:13" (3/4) ... [2019-12-07 17:08:16,289 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:08:16,289 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:08:16,291 INFO L168 Benchmark]: Toolchain (without parser) took 3486.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -180.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:08:16,291 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:08:16,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 177.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -150.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 17:08:16,292 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.49 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:08:16,292 INFO L168 Benchmark]: Boogie Preprocessor took 11.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:08:16,292 INFO L168 Benchmark]: RCFGBuilder took 134.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:08:16,293 INFO L168 Benchmark]: BuchiAutomizer took 3138.36 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -46.5 MB). Peak memory consumption was 326.3 MB. Max. memory is 11.5 GB. [2019-12-07 17:08:16,293 INFO L168 Benchmark]: Witness Printer took 3.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:08:16,295 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 177.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -150.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.49 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 134.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3138.36 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -46.5 MB). Peak memory consumption was 326.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp65 ukn100 mio100 lsp100 div386 bol100 ite100 ukn100 eq147 hnf51 smp92 dnf100 smp100 tf103 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 79ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1;" "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0;" Loop: "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...