./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/underapprox_2-2.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_2a744d7f-7551-4718-aa04-a797c6440f77/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/underapprox_2-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 1ca0873bbf5698fb1752ac7aba535da1c4a773e2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:31,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:04:31,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:04:31,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:04:31,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:04:31,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:04:31,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:04:31,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:04:31,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:04:31,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:04:31,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:04:31,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:04:31,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:04:31,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:04:31,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:04:31,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:04:31,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:04:31,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:04:31,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:04:31,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:04:31,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:04:31,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:04:31,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:04:31,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:04:31,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:04:31,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:04:31,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:04:31,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:04:31,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:04:31,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:04:31,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:04:31,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:04:31,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:04:31,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:04:31,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:04:31,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:04:31,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:04:31,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:04:31,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:04:31,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:04:31,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:04:31,103 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 13:04:31,113 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:04:31,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:04:31,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:04:31,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:04:31,114 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:04:31,114 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 13:04:31,114 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 13:04:31,115 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 13:04:31,115 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 13:04:31,115 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 13:04:31,115 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 13:04:31,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:04:31,115 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:04:31,115 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 13:04:31,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:04:31,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:04:31,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:04:31,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 13:04:31,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 13:04:31,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 13:04:31,116 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:04:31,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:04:31,116 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 13:04:31,116 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:04:31,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 13:04:31,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:04:31,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:04:31,117 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 13:04:31,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:04:31,117 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 13:04:31,117 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:04:31,117 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 13:04:31,118 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 13:04:31,118 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_2a744d7f-7551-4718-aa04-a797c6440f77/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 -> 1ca0873bbf5698fb1752ac7aba535da1c4a773e2 [2019-12-07 13:04:31,221 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:04:31,231 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:04:31,234 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:04:31,235 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:04:31,235 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:04:31,236 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/bin/uautomizer/../../sv-benchmarks/c/loop-acceleration/underapprox_2-2.c [2019-12-07 13:04:31,282 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/bin/uautomizer/data/8d2915593/c603e78f93bf4b51961417b92ddeb5a5/FLAGd00eff2f4 [2019-12-07 13:04:31,713 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:04:31,714 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/sv-benchmarks/c/loop-acceleration/underapprox_2-2.c [2019-12-07 13:04:31,717 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/bin/uautomizer/data/8d2915593/c603e78f93bf4b51961417b92ddeb5a5/FLAGd00eff2f4 [2019-12-07 13:04:31,726 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/bin/uautomizer/data/8d2915593/c603e78f93bf4b51961417b92ddeb5a5 [2019-12-07 13:04:31,728 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:04:31,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:04:31,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:04:31,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:04:31,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:04:31,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:04:31" (1/1) ... [2019-12-07 13:04:31,734 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 01:04:31, skipping insertion in model container [2019-12-07 13:04:31,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:04:31" (1/1) ... [2019-12-07 13:04:31,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:04:31,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:04:31,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:04:31,846 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:04:31,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:04:31,895 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:04:31,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:04:31 WrapperNode [2019-12-07 13:04:31,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:04:31,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:04:31,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:04:31,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:04:31,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:04:31" (1/1) ... [2019-12-07 13:04:31,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:04:31" (1/1) ... [2019-12-07 13:04:31,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:04:31,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:04:31,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:04:31,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:04:31,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:04:31" (1/1) ... [2019-12-07 13:04:31,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:04:31" (1/1) ... [2019-12-07 13:04:31,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:04:31" (1/1) ... [2019-12-07 13:04:31,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:04:31" (1/1) ... [2019-12-07 13:04:31,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:04:31" (1/1) ... [2019-12-07 13:04:31,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:04:31" (1/1) ... [2019-12-07 13:04:31,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:04:31" (1/1) ... [2019-12-07 13:04:31,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:04:31,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:04:31,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:04:31,927 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:04:31,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:04:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:04:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:04:32,052 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:04:32,052 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 13:04:32,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:04:32 BoogieIcfgContainer [2019-12-07 13:04:32,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:04:32,053 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 13:04:32,054 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 13:04:32,056 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 13:04:32,056 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:04:32,056 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 01:04:31" (1/3) ... [2019-12-07 13:04:32,057 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 01:04:32, skipping insertion in model container [2019-12-07 13:04:32,057 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:04:32,057 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:04:31" (2/3) ... [2019-12-07 13:04:32,058 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 01:04:32, skipping insertion in model container [2019-12-07 13:04:32,058 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:04:32,058 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:04:32" (3/3) ... [2019-12-07 13:04:32,059 INFO L371 chiAutomizerObserver]: Analyzing ICFG underapprox_2-2.c [2019-12-07 13:04:32,087 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 13:04:32,088 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 13:04:32,088 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 13:04:32,088 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:04:32,088 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:04:32,088 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 13:04:32,088 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:04:32,088 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 13:04:32,097 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-12-07 13:04:32,109 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 13:04:32,109 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:04:32,109 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:04:32,113 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 13:04:32,113 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 13:04:32,113 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 13:04:32,113 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-12-07 13:04:32,114 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 13:04:32,114 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:04:32,114 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:04:32,114 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 13:04:32,114 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 13:04:32,119 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 6#L14-2true [2019-12-07 13:04:32,119 INFO L796 eck$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 13:04:32,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:04:32,123 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-12-07 13:04:32,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:04:32,129 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470910642] [2019-12-07 13:04:32,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:04:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:04:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:04:32,189 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:04:32,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:04:32,189 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-12-07 13:04:32,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:04:32,190 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991425506] [2019-12-07 13:04:32,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:04:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:04:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:04:32,201 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:04:32,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:04:32,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-12-07 13:04:32,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:04:32,203 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152045900] [2019-12-07 13:04:32,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:04:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:04:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:04:32,212 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:04:32,242 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:04:32,243 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:04:32,243 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:04:32,243 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:04:32,243 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 13:04:32,243 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:04:32,243 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:04:32,243 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:04:32,244 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_2-2.c_Iteration1_Loop [2019-12-07 13:04:32,244 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:04:32,244 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:04:32,258 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 13:04:32,269 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 13:04:32,271 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 13:04:32,355 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:04:32,355 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,360 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 13:04:32,360 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,368 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 13:04:32,369 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 13:04:32,383 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 13:04:32,384 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:04:32,384 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:04:32,384 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:04:32,385 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:04:32,385 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 13:04:32,385 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:04:32,385 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:04:32,385 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:04:32,385 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_2-2.c_Iteration1_Loop [2019-12-07 13:04:32,385 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:04:32,386 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:04:32,387 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 13:04:32,394 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 13:04:32,397 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 13:04:32,443 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:04:32,447 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:32,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:32,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:32,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:04:32,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:04:32,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:32,459 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:32,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:32,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:32,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:04:32,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:04:32,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:32,467 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:04:32,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:32,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:32,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:04:32,474 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:04:32,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:32,475 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:32,476 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:32,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:32,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:32,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,481 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:32,483 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:04:32,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:32,486 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:04:32,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:32,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:32,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,491 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:32,492 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:04:32,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:32,494 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:32,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:32,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:32,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,502 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:32,503 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:04:32,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:32,505 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:32,506 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:32,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:32,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:32,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,514 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:32,516 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:32,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:32,521 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:32,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:32,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:32,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,527 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:32,528 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:32,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:32,530 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:04:32,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:32,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:32,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,536 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:32,537 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:32,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:32,540 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:32,541 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:32,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:32,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:32,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,547 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:32,549 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:04:32,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:32,553 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:32,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:32,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:32,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,559 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:32,559 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:04:32,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:32,561 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:32,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:32,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:32,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,567 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:32,568 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:04:32,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:32,570 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:32,572 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:32,576 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:32,576 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:32,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:32,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,577 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:32,579 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:04:32,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:32,586 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,589 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 13:04:32,591 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:32,591 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:32,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:32,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,592 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:32,593 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:04:32,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:32,596 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,600 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 13:04:32,601 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:32,601 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:32,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:32,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,602 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:32,604 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:04:32,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:32,608 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:32,609 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:32,614 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:32,614 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 13:04:32,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:32,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,615 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:32,617 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:32,617 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:32,624 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,628 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 13:04:32,629 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:32,629 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 13:04:32,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:32,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,630 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:32,631 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:32,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:32,634 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:32,640 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:32,641 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 13:04:32,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:32,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,641 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:32,644 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:32,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:32,651 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:32,652 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:04:32,657 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:32,657 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:32,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:32,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,658 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:32,661 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:04:32,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:32,675 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:32,681 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:32,681 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:32,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:32,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,682 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:32,683 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:04:32,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:32,687 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:32,693 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:32,694 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:32,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:32,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,694 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:32,701 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:04:32,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:32,717 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:32,718 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:04:32,723 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:32,723 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:32,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:32,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,724 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:32,726 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:32,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:32,731 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:32,736 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:32,737 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:32,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:32,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,737 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:32,738 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:32,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:32,740 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:32,746 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:32,746 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:32,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:32,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,747 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:32,748 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:32,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:32,753 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:32,754 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:32,758 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:32,758 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:32,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:32,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,759 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 13:04:32,761 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:04:32,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:32,768 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:32,774 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:32,774 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:32,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:32,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,774 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 13:04:32,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:04:32,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:32,779 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:04:32,784 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:32,784 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:32,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:32,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,785 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 13:04:32,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:04:32,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:32,796 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:32,805 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:04:32,805 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:04:32,806 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:04:32,806 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:04:32,806 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 13:04:32,806 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:04:32,806 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:04:32,806 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:04:32,806 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_2-2.c_Iteration1_Lasso [2019-12-07 13:04:32,806 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:04:32,806 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:04:32,807 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 13:04:32,809 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 13:04:32,815 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 13:04:32,817 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 13:04:32,874 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:04:32,874 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,877 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 13:04:32,878 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 13:04:32,883 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 13:04:32,883 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_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,888 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 13:04:32,888 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,895 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 13:04:32,895 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 13:04:32,907 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 13:04:32,908 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:04:32,909 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:04:32,909 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:04:32,909 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:04:32,909 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 13:04:32,909 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:04:32,909 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:04:32,909 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:04:32,909 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_2-2.c_Iteration1_Lasso [2019-12-07 13:04:32,909 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:04:32,909 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:04:32,910 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 13:04:32,916 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 13:04:32,918 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 13:04:32,921 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 13:04:32,982 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:04:32,982 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:32,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:32,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:32,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:32,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:32,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:04:32,991 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:04:32,991 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:04:32,997 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:04:33,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:33,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:33,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:04:33,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:04:33,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:33,004 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:33,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:04:33,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:04:33,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:04:33,016 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,020 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:33,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:33,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:04:33,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:04:33,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:33,024 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:33,025 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:33,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,030 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:33,033 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 13:04:33,033 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 13:04:33,040 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:04:33,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:33,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:33,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,046 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:33,046 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:04:33,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:33,048 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:33,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,054 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:33,057 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 13:04:33,057 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 13:04:33,065 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:33,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:33,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,071 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:33,072 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:04:33,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:33,073 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:33,074 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:33,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,079 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:33,084 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 13:04:33,084 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 13:04:33,095 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:33,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:33,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,101 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:33,101 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:33,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:33,103 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:33,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,109 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:33,112 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 13:04:33,112 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 13:04:33,123 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:33,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:33,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,129 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:33,129 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:33,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:33,131 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:33,132 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:33,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,136 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:33,141 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 13:04:33,141 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 13:04:33,151 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:33,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:33,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,157 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:33,157 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:04:33,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:33,159 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:33,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,165 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:33,169 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 13:04:33,169 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 13:04:33,183 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:33,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:33,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,189 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:33,189 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:04:33,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:33,191 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:33,192 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,197 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:33,197 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:33,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,197 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:33,201 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 13:04:33,201 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 13:04:33,211 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,216 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:33,216 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:33,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:33,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,217 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:33,217 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:04:33,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:33,219 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:04:33,224 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:33,224 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:33,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,225 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:33,228 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 13:04:33,228 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 13:04:33,243 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,248 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:33,248 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:33,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:33,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,248 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:33,249 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:04:33,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:33,251 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:33,252 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,255 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 13:04:33,257 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:33,257 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 13:04:33,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,257 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:33,261 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 13:04:33,261 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 13:04:33,275 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,280 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:33,281 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 13:04:33,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:33,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,281 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:33,282 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:33,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:33,285 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,289 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 13:04:33,290 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:33,290 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 13:04:33,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,291 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:33,293 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 13:04:33,293 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 13:04:33,345 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,350 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:33,350 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 13:04:33,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:33,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,350 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:33,351 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:33,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:33,354 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:33,355 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,359 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 13:04:33,361 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:33,361 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:33,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,361 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:33,366 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 13:04:33,366 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 13:04:33,400 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,407 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:33,407 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:33,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:33,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,408 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:33,409 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:04:33,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:33,413 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,419 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:33,420 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:33,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,420 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:33,426 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 13:04:33,426 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 13:04:33,610 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,617 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:33,617 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:33,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:33,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,618 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:33,619 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:04:33,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:33,624 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:33,626 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,633 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:33,633 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:33,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,633 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:33,637 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 13:04:33,637 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 13:04:33,652 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:04:33,658 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:33,658 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:33,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:33,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,659 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:33,659 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:33,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:33,662 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,668 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:33,668 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:33,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,668 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:33,671 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 13:04:33,671 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 13:04:33,683 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,688 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:33,688 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:33,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:33,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,689 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:33,689 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:33,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:33,691 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:33,692 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,696 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:33,696 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:33,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,697 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 13:04:33,702 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 13:04:33,702 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 13:04:33,726 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,732 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:33,732 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:33,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:33,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,732 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 13:04:33,733 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:04:33,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:33,735 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,741 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:33,741 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:33,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,741 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 13:04:33,745 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 13:04:33,745 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 13:04:33,813 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,818 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 13:04:33,820 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:33,820 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:33,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:33,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,821 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 13:04:33,821 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:04:33,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:33,826 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:33,829 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-12-07 13:04:33,829 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 6#L14-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 6#L14-2true [2019-12-07 13:04:33,829 INFO L796 eck$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 13:04:33,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:04:33,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2019-12-07 13:04:33,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:04:33,830 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008629265] [2019-12-07 13:04:33,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:04:33,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:04:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:04:33,837 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:04:33,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:04:33,838 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2019-12-07 13:04:33,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:04:33,838 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468025312] [2019-12-07 13:04:33,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:04:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:04:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:04:33,846 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:04:33,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:04:33,846 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2019-12-07 13:04:33,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:04:33,846 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262492880] [2019-12-07 13:04:33,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:04:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:04:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:04:33,859 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:04:33,869 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:04:33,869 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:04:33,869 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:04:33,870 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:04:33,870 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 13:04:33,870 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:04:33,870 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:04:33,870 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:04:33,870 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_2-2.c_Iteration1_Loop [2019-12-07 13:04:33,870 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:04:33,870 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:04:33,871 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 13:04:33,874 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 13:04:33,875 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 13:04:33,911 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:04:33,911 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,914 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 13:04:33,914 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,921 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 13:04:33,921 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 13:04:33,947 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 13:04:33,949 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:04:33,949 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:04:33,949 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:04:33,949 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:04:33,949 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 13:04:33,949 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:04:33,949 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:04:33,949 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:04:33,950 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_2-2.c_Iteration1_Loop [2019-12-07 13:04:33,950 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:04:33,950 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:04:33,950 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 13:04:33,955 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 13:04:33,957 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 13:04:33,992 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:04:33,992 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:33,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:33,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:33,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:33,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:33,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:33,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:04:33,997 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:04:33,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:33,998 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:34,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:04:34,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:04:34,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,006 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:34,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:04:34,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:04:34,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,012 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:34,014 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:34,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,017 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:34,018 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:04:34,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,021 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:04:34,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:34,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,028 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:34,029 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:04:34,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,030 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:04:34,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:34,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,035 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:34,036 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:04:34,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,037 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:34,038 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:34,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,054 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:34,055 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:34,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,058 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,062 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:34,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,063 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:34,064 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:34,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,065 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,068 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 13:04:34,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:34,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,069 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:34,070 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:34,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,071 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:34,072 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:34,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,077 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:34,078 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:04:34,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:04:34,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:34,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,087 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:34,087 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:04:34,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,089 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,092 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 13:04:34,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:34,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,093 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:34,094 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:04:34,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,096 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:34,097 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,101 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,101 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:34,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,101 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:34,102 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:04:34,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,106 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,110 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 13:04:34,111 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,111 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:34,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,111 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:34,112 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:04:34,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,114 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,119 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,119 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:34,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,119 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:34,120 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:04:34,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,123 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:34,125 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,129 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,129 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 13:04:34,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,129 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:34,130 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:34,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,138 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:04:34,143 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,143 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 13:04:34,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,143 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:34,144 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:34,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,146 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:04:34,151 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,151 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 13:04:34,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,151 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:34,152 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:34,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,157 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:34,158 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,162 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,162 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:34,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,163 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:34,164 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:04:34,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,174 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,179 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,179 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:34,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,180 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:34,180 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:04:34,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,184 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,189 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,189 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:34,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,190 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:34,191 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:04:34,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,203 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:34,204 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,207 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 13:04:34,208 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,208 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:34,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,209 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:34,210 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:34,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,214 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,217 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,219 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,219 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:34,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,220 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:34,220 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:34,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,222 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,227 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,227 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:34,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,227 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:34,228 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:34,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,231 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:34,232 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,237 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,237 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:34,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,237 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 13:04:34,239 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:04:34,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,247 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,252 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,252 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:34,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,252 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 13:04:34,253 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:04:34,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,256 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,259 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 13:04:34,261 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,261 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:34,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,261 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 13:04:34,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:04:34,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,269 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:34,287 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:04:34,287 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:04:34,287 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:04:34,287 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:04:34,288 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 13:04:34,288 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:04:34,288 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:04:34,288 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:04:34,288 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_2-2.c_Iteration1_Lasso [2019-12-07 13:04:34,288 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:04:34,288 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:04:34,289 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 13:04:34,291 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 13:04:34,297 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 13:04:34,298 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 13:04:34,338 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:04:34,338 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,340 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 13:04:34,341 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,346 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 13:04:34,347 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 13:04:34,360 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 13:04:34,360 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_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,365 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 13:04:34,365 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,371 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 13:04:34,371 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 13:04:34,389 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 13:04:34,390 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:04:34,390 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:04:34,390 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:04:34,390 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:04:34,390 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 13:04:34,390 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:04:34,391 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:04:34,391 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:04:34,391 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_2-2.c_Iteration1_Lasso [2019-12-07 13:04:34,391 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:04:34,391 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:04:34,391 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 13:04:34,395 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 13:04:34,399 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 13:04:34,401 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 13:04:34,448 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:04:34,448 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:34,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:04:34,454 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:04:34,454 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:04:34,458 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:34,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:04:34,465 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:04:34,465 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:04:34,470 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:34,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:04:34,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:04:34,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,476 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:34,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:04:34,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:04:34,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,482 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:34,483 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:04:34,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:34,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,488 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:34,489 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 13:04:34,490 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 13:04:34,495 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:34,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,500 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:34,502 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 13:04:34,502 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 13:04:34,508 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:34,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,514 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:34,514 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:04:34,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,515 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:34,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,521 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:34,521 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:04:34,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,523 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:34,524 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:34,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,528 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:34,530 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 13:04:34,530 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 13:04:34,538 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:34,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,543 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:34,546 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 13:04:34,546 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 13:04:34,553 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:34,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,558 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:34,559 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:34,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,560 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:34,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,566 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:34,566 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:34,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,567 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:34,568 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:34,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,571 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:34,573 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 13:04:34,574 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 13:04:34,583 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:34,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,588 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:34,591 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 13:04:34,591 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 13:04:34,601 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:34,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,607 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:34,607 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:04:34,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,609 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:04:34,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,614 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:34,614 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:04:34,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,616 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:34,617 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,620 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 13:04:34,621 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,621 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:34,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,621 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:34,623 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 13:04:34,623 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 13:04:34,635 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,641 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,641 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:34,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,642 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:34,643 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 13:04:34,643 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 13:04:34,654 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,658 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 13:04:34,659 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,659 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:34,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,659 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:34,660 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:04:34,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,662 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:04:34,667 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,667 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:34,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,667 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:04:34,668 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:04:34,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,669 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:34,670 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,674 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,674 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 13:04:34,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,674 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:34,676 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 13:04:34,676 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 13:04:34,725 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:04:34,730 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,730 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 13:04:34,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,731 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:34,733 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 13:04:34,733 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 13:04:34,756 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,762 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,762 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 13:04:34,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,762 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:34,763 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:34,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,766 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,771 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,771 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 13:04:34,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,771 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:34,772 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:34,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,774 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:34,775 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,779 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,779 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:34,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,780 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:34,784 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 13:04:34,784 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 13:04:34,909 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,914 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,914 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:34,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,914 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:34,918 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 13:04:34,918 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 13:04:34,949 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,954 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,954 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:34,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,954 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:34,955 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:04:34,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,959 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:04:34,964 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,964 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:34,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:34,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,964 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:04:34,965 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:04:34,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:34,968 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:34,969 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:34,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:34,974 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:34,974 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:34,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:34,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:34,974 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:34,990 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 13:04:34,990 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 13:04:35,006 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:35,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:35,011 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:35,011 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:35,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:35,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:35,011 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:35,014 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 13:04:35,014 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 13:04:35,026 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:35,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:35,032 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:35,032 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:35,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:35,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:35,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:35,032 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:35,033 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:35,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:35,035 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:35,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:35,039 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:35,039 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:04:35,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:35,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:35,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:35,040 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:04:35,040 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:04:35,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:35,042 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:35,042 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:35,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:35,046 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:35,046 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:35,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:35,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:35,047 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 13:04:35,050 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 13:04:35,050 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 13:04:35,122 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:35,126 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 13:04:35,127 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:35,128 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:35,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:35,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:35,128 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 13:04:35,132 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 13:04:35,132 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 13:04:35,167 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:35,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:35,172 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:35,172 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:35,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:35,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:35,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:35,172 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 13:04:35,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:04:35,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:35,175 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a744d7f-7551-4718-aa04-a797c6440f77/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 13:04:35,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 13:04:35,180 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:04:35,180 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:04:35,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:04:35,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:04:35,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:04:35,180 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 13:04:35,181 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:04:35,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:04:35,183 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:04:35,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 01:04:35 BoogieIcfgContainer [2019-12-07 13:04:35,188 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 13:04:35,188 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:04:35,188 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:04:35,188 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:04:35,188 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:04:32" (3/4) ... [2019-12-07 13:04:35,190 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 13:04:35,190 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:04:35,192 INFO L168 Benchmark]: Toolchain (without parser) took 3462.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:04:35,192 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:04:35,193 INFO L168 Benchmark]: CACSL2BoogieTranslator took 166.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -143.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 13:04:35,193 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.08 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 13:04:35,193 INFO L168 Benchmark]: Boogie Preprocessor took 10.87 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 13:04:35,193 INFO L168 Benchmark]: RCFGBuilder took 126.68 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:04:35,194 INFO L168 Benchmark]: BuchiAutomizer took 3134.26 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -39.6 MB). Peak memory consumption was 320.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:04:35,194 INFO L168 Benchmark]: Witness Printer took 2.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 11.5 GB. [2019-12-07 13:04:35,196 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 166.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -143.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.08 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 10.87 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 126.68 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3134.26 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -39.6 MB). Peak memory consumption was 320.4 MB. Max. memory is 11.5 GB. * Witness Printer took 2.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. 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...