./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/underapprox_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/underapprox_1-1.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/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 39d1cf9c8579a9e3ab0612befbfddbea31e87fbe ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:57:40,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:57:40,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:57:40,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:57:40,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:57:40,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:57:40,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:57:40,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:57:40,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:57:40,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:57:40,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:57:40,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:57:40,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:57:40,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:57:40,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:57:40,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:57:40,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:57:40,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:57:40,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:57:40,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:57:40,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:57:40,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:57:40,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:57:40,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:57:40,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:57:40,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:57:40,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:57:40,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:57:40,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:57:40,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:57:40,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:57:40,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:57:40,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:57:40,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:57:40,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:57:40,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:57:40,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:57:40,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:57:40,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:57:40,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:57:40,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:57:40,922 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:57:40,934 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:57:40,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:57:40,935 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:57:40,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:57:40,936 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:57:40,936 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:57:40,936 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:57:40,936 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:57:40,937 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:57:40,937 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:57:40,937 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:57:40,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:57:40,941 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:57:40,941 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:57:40,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:57:40,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:57:40,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:57:40,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:57:40,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:57:40,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:57:40,943 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:57:40,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:57:40,943 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:57:40,943 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:57:40,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:57:40,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:57:40,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:57:40,944 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:57:40,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:57:40,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:57:40,944 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:57:40,945 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:57:40,946 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/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/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 -> 39d1cf9c8579a9e3ab0612befbfddbea31e87fbe [2019-10-22 08:57:40,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:57:40,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:57:40,995 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:57:40,998 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:57:40,998 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:57:40,999 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/bin/uautomizer/../../sv-benchmarks/c/loop-acceleration/underapprox_1-1.c [2019-10-22 08:57:41,051 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/bin/uautomizer/data/3e4fad224/06967a517c0840a985e6fe678f01b731/FLAGcd94816ce [2019-10-22 08:57:41,427 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:57:41,428 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/sv-benchmarks/c/loop-acceleration/underapprox_1-1.c [2019-10-22 08:57:41,432 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/bin/uautomizer/data/3e4fad224/06967a517c0840a985e6fe678f01b731/FLAGcd94816ce [2019-10-22 08:57:41,446 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/bin/uautomizer/data/3e4fad224/06967a517c0840a985e6fe678f01b731 [2019-10-22 08:57:41,448 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:57:41,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:57:41,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:41,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:57:41,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:57:41,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:41" (1/1) ... [2019-10-22 08:57:41,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aefa56d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:41, skipping insertion in model container [2019-10-22 08:57:41,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:41" (1/1) ... [2019-10-22 08:57:41,464 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:57:41,478 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:57:41,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:41,648 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:57:41,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:41,767 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:57:41,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:41 WrapperNode [2019-10-22 08:57:41,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:41,769 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:41,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:57:41,769 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:57:41,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:41" (1/1) ... [2019-10-22 08:57:41,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:41" (1/1) ... [2019-10-22 08:57:41,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:41,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:57:41,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:57:41,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:57:41,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:41" (1/1) ... [2019-10-22 08:57:41,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:41" (1/1) ... [2019-10-22 08:57:41,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:41" (1/1) ... [2019-10-22 08:57:41,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:41" (1/1) ... [2019-10-22 08:57:41,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:41" (1/1) ... [2019-10-22 08:57:41,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:41" (1/1) ... [2019-10-22 08:57:41,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:41" (1/1) ... [2019-10-22 08:57:41,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:57:41,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:57:41,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:57:41,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:57:41,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/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 [2019-10-22 08:57:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:57:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:57:41,978 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:57:41,978 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 08:57:41,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:41 BoogieIcfgContainer [2019-10-22 08:57:41,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:57:41,980 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:57:41,980 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:57:41,983 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:57:41,984 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:57:41,984 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:57:41" (1/3) ... [2019-10-22 08:57:41,985 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6df65056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:57:41, skipping insertion in model container [2019-10-22 08:57:41,985 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:57:41,985 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:41" (2/3) ... [2019-10-22 08:57:41,987 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6df65056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:57:41, skipping insertion in model container [2019-10-22 08:57:41,987 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:57:41,987 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:41" (3/3) ... [2019-10-22 08:57:41,989 INFO L371 chiAutomizerObserver]: Analyzing ICFG underapprox_1-1.c [2019-10-22 08:57:42,036 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:57:42,037 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:57:42,037 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:57:42,037 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:57:42,037 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:57:42,037 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:57:42,038 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:57:42,038 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:57:42,053 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-10-22 08:57:42,076 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-10-22 08:57:42,076 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:57:42,076 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:57:42,083 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-10-22 08:57:42,083 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-10-22 08:57:42,083 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:57:42,083 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-10-22 08:57:42,084 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-10-22 08:57:42,084 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:57:42,084 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:57:42,084 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-10-22 08:57:42,085 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-10-22 08:57:42,092 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 6#L14-2true [2019-10-22 08:57:42,092 INFO L793 eck$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 [2019-10-22 08:57:42,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:42,098 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-10-22 08:57:42,104 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:42,105 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192972515] [2019-10-22 08:57:42,105 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:42,106 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:42,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:42,196 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:42,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:42,197 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-10-22 08:57:42,201 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:42,202 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124667061] [2019-10-22 08:57:42,202 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:42,202 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:42,202 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:42,223 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:42,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:42,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-10-22 08:57:42,226 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:42,226 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675954382] [2019-10-22 08:57:42,226 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:42,227 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:42,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:42,246 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:42,290 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:57:42,291 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:57:42,291 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:57:42,291 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:57:42,291 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:57:42,291 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:42,292 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:57:42,292 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:57:42,292 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_1-1.c_Iteration1_Loop [2019-10-22 08:57:42,292 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:57:42,292 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:57:42,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:42,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:42,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:42,464 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 18 [2019-10-22 08:57:42,522 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:57:42,523 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/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 [2019-10-22 08:57:42,539 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:42,539 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:57:42,549 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:57:42,550 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/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 [2019-10-22 08:57:42,560 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:42,560 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:57:42,563 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:57:42,563 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/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/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 [2019-10-22 08:57:42,568 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:42,569 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/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 [2019-10-22 08:57:42,581 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:57:42,581 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:57:42,597 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:57:42,599 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:57:42,599 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:57:42,599 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:57:42,599 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:57:42,599 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:57:42,600 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:42,600 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:57:42,600 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:57:42,600 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_1-1.c_Iteration1_Loop [2019-10-22 08:57:42,600 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:57:42,600 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:57:42,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:42,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:42,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:42,676 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:57:42,681 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:57:42,682 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:42,684 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:42,684 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:42,685 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:42,685 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:42,685 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:42,687 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:57:42,687 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:42,692 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:42,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:42,693 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:42,693 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:42,693 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:42,694 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:42,694 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:42,699 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:57:42,699 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:42,701 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:42,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:42,702 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:42,702 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:42,702 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:42,702 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:42,702 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:42,703 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:57:42,703 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:42,716 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:42,716 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-10-22 08:57:42,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:42,720 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:42,720 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:42,721 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:42,721 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:42,721 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:42,722 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:57:42,722 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:42,724 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:42,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:42,725 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:42,729 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:42,729 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:42,730 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:42,730 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:42,730 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:57:42,731 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:42,733 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:42,735 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 [2019-10-22 08:57:42,736 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:42,737 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:42,737 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:42,738 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:42,738 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:42,739 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:57:42,741 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:42,760 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:42,763 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-10-22 08:57:42,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:42,765 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:42,765 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:42,766 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:42,766 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:42,766 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:42,767 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:42,767 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:42,768 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:42,769 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 [2019-10-22 08:57:42,771 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:42,772 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:42,773 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:42,773 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:42,773 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:42,774 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:42,776 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:42,777 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:42,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:42,778 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:42,778 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:42,778 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:42,778 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:42,779 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:42,780 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:42,780 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:42,797 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:42,805 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-10-22 08:57:42,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:42,806 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:42,806 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:42,807 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:42,807 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:42,807 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:42,808 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:57:42,808 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:42,809 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:42,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:42,810 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:42,811 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:42,811 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:42,811 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:42,811 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:42,812 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:57:42,812 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:42,813 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:42,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:42,823 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:42,823 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:42,824 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:42,824 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:42,824 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:42,825 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:57:42,826 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:42,851 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:42,858 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-10-22 08:57:42,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:42,860 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:42,860 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:42,860 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:42,860 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:42,861 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:42,861 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:42,863 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:57:42,863 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:42,865 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:42,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:42,866 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:42,867 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:42,867 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:42,867 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:42,867 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:42,867 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:42,868 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:57:42,868 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:42,870 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:42,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:42,871 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:42,871 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:42,871 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:42,871 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:42,871 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:42,872 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:42,873 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:57:42,874 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:42,923 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:42,923 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-10-22 08:57:42,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:42,924 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:42,924 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:57:42,925 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:42,925 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:42,925 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:42,925 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:42,929 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:42,929 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:42,935 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:42,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:42,936 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:42,936 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:57:42,937 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:42,937 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:42,937 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:42,937 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:42,939 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:42,939 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:42,941 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:42,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:42,942 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:42,943 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:57:42,943 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:42,943 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:42,943 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:42,943 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:42,945 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:42,946 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:43,001 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,001 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-10-22 08:57:43,005 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:43,006 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:43,006 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:43,006 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:43,006 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,006 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,007 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:43,017 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:57:43,018 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:43,020 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,020 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 [2019-10-22 08:57:43,021 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:43,022 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:43,022 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:43,022 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,022 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,022 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:43,024 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:57:43,024 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:43,025 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:43,027 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:43,027 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:43,027 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:43,027 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,027 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,027 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:43,030 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:57:43,030 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:43,114 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,115 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-10-22 08:57:43,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:43,116 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:43,116 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:43,116 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:43,117 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,117 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,117 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:43,118 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:43,118 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:43,126 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,126 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 [2019-10-22 08:57:43,127 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:43,127 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:43,127 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:43,128 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,128 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,128 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:43,128 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:43,128 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:43,133 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:43,134 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:43,134 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:43,134 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:43,134 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,134 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,135 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:43,135 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:43,135 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:43,153 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,153 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-10-22 08:57:43,154 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 [2019-10-22 08:57:43,155 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:43,155 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:43,156 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:43,156 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,156 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,156 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:57:43,158 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:57:43,159 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:43,171 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:43,174 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:43,175 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:43,179 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:43,180 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,181 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,182 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:57:43,183 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:57:43,183 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:43,188 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:43,190 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:43,190 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:43,191 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:43,191 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,191 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,191 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:57:43,193 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:57:43,193 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:43,211 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,222 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:57:43,222 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:57:43,222 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:57:43,222 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:57:43,222 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:57:43,223 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:43,223 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:57:43,223 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:57:43,223 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_1-1.c_Iteration1_Lasso [2019-10-22 08:57:43,223 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:57:43,223 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:57:43,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:43,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:43,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:43,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:43,311 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:57:43,311 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/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 [2019-10-22 08:57:43,315 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:43,315 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:57:43,317 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:57:43,317 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/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/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 [2019-10-22 08:57:43,322 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:43,322 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:57:43,324 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:57:43,325 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/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 [2019-10-22 08:57:43,329 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:43,329 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/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 [2019-10-22 08:57:43,339 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:57:43,339 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:57:43,362 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:57:43,364 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:57:43,364 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:57:43,364 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:57:43,364 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:57:43,365 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:57:43,365 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:43,365 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:57:43,365 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:57:43,365 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_1-1.c_Iteration1_Lasso [2019-10-22 08:57:43,365 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:57:43,366 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:57:43,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:43,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:43,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:43,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:43,448 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:57:43,448 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:57:43,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:43,449 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:43,449 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:43,449 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,449 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,449 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:43,449 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:57:43,450 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:43,450 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,450 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:43,451 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:43,451 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,451 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,451 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:43,453 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:57:43,454 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:57:43,463 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,463 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 [2019-10-22 08:57:43,464 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:43,464 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,464 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,464 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:43,466 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:57:43,466 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:57:43,472 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:43,473 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:43,473 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:43,473 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,474 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,474 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:43,474 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:57:43,474 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:43,475 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,475 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-10-22 08:57:43,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:43,476 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:43,476 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:43,476 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,476 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,476 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:43,477 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:57:43,477 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:43,478 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:43,479 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:43,479 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,479 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,479 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:43,481 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 08:57:43,481 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 08:57:43,490 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:43,491 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:43,491 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,491 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,492 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:43,493 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 08:57:43,494 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 08:57:43,507 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:43,508 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:43,508 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:43,509 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,509 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,509 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:43,509 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:57:43,510 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:43,510 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,510 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-10-22 08:57:43,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:43,511 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:43,511 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:43,512 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,512 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,512 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:43,512 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:43,512 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:43,513 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,513 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 [2019-10-22 08:57:43,514 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:43,514 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,514 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,514 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:43,516 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:43,516 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:43,529 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:43,530 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:43,530 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,530 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,530 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:43,532 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:43,532 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:43,561 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:43,568 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:43,568 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:43,569 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,569 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,569 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:43,569 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:43,569 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:43,570 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,570 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-10-22 08:57:43,570 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 [2019-10-22 08:57:43,571 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:43,571 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:43,571 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,571 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,571 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:43,572 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:57:43,572 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:43,572 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:43,578 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:43,578 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,579 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,579 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:43,581 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-10-22 08:57:43,581 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-10-22 08:57:43,604 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:43,607 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:43,608 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,608 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,608 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:43,610 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-10-22 08:57:43,610 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-10-22 08:57:43,722 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:43,723 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:43,726 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:43,726 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,726 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,726 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:43,727 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:57:43,727 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:43,727 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,728 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-10-22 08:57:43,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:43,728 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:43,729 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:43,729 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:43,729 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,729 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,730 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:43,731 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:57:43,731 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:43,731 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:43,733 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:43,733 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:43,734 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,734 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,734 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:43,735 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 08:57:43,737 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 08:57:43,766 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:43,774 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:43,774 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:43,774 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,775 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,775 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:43,776 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 08:57:43,776 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 08:57:43,920 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:43,921 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:43,922 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:43,922 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:43,922 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,922 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,922 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:43,922 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:57:43,923 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:43,923 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,923 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-10-22 08:57:43,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:43,924 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:43,924 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:57:43,924 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:43,925 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,925 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,925 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:43,926 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:43,926 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:43,927 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:43,928 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:43,928 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:57:43,928 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,928 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,928 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:43,930 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:43,930 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:43,969 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:43,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:43,970 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:43,971 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:57:43,971 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:43,971 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:43,971 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:43,973 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:43,977 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:44,855 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:44,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:44,856 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:44,860 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:57:44,860 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:44,860 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:44,860 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:44,860 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:44,861 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:44,861 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:44,862 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:44,862 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-10-22 08:57:44,863 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:44,863 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:44,863 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:44,863 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:44,863 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:44,864 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:44,864 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:44,864 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:57:44,864 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:44,865 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:44,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:44,867 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:44,867 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:44,867 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:44,868 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:44,868 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:44,871 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-10-22 08:57:44,871 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-10-22 08:57:44,967 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:44,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:44,968 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:44,968 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:44,969 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:44,969 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:44,969 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:44,973 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-10-22 08:57:44,974 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-10-22 08:57:50,090 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,092 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,092 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:50,092 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,092 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,092 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,092 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:50,093 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:57:50,094 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,094 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,094 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-10-22 08:57:50,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,095 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,095 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:50,095 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,096 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,096 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,096 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:50,096 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:50,096 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,098 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,099 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,099 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:50,099 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,099 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,099 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:50,100 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:50,101 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:50,119 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,120 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,120 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:50,120 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,120 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,120 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:50,122 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:50,122 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:50,149 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,150 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 [2019-10-22 08:57:50,150 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,150 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:50,150 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,151 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,151 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,151 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:50,151 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:50,151 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,152 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,152 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-10-22 08:57:50,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,154 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,154 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:50,154 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,154 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,154 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,154 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:57:50,155 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:57:50,155 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,156 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,157 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,157 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:50,157 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,158 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,158 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:57:50,160 INFO L400 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-10-22 08:57:50,160 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-10-22 08:57:50,206 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,207 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,207 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:50,207 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,207 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,207 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:57:50,210 INFO L400 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-10-22 08:57:50,210 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-10-22 08:57:50,545 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,546 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,547 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:50,547 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,547 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,547 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,547 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:57:50,547 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:57:50,548 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,549 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,550 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-10-22 08:57:50,550 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 6#L14-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 6#L14-2true [2019-10-22 08:57:50,550 INFO L793 eck$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 [2019-10-22 08:57:50,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:50,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2019-10-22 08:57:50,551 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:50,551 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967508595] [2019-10-22 08:57:50,552 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:50,552 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:50,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:50,564 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:50,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:50,565 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2019-10-22 08:57:50,565 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:50,565 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460402911] [2019-10-22 08:57:50,565 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:50,565 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:50,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:50,578 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:50,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:50,580 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2019-10-22 08:57:50,580 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:50,580 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671777818] [2019-10-22 08:57:50,580 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:50,580 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:50,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:50,597 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:50,614 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:57:50,615 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:57:50,615 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:57:50,615 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:57:50,615 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:57:50,615 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:50,615 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:57:50,615 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:57:50,615 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_1-1.c_Iteration1_Loop [2019-10-22 08:57:50,615 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:57:50,615 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:57:50,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:50,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:50,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:50,685 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:57:50,685 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/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) [2019-10-22 08:57:50,692 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:50,692 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:50,695 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:57:50,696 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/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/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) [2019-10-22 08:57:50,703 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:50,703 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/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) [2019-10-22 08:57:50,717 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:57:50,717 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:50,744 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:57:50,746 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:57:50,746 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:57:50,746 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:57:50,746 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:57:50,747 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:57:50,747 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:50,747 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:57:50,747 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:57:50,747 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_1-1.c_Iteration1_Loop [2019-10-22 08:57:50,747 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:57:50,747 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:57:50,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:50,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:50,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:50,814 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:57:50,815 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:57:50,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,815 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,815 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,816 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,816 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,816 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:50,816 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:57:50,816 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,817 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,820 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,820 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,820 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,820 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,820 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:50,821 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:57:50,821 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,822 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,823 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,823 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,823 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,823 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,824 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:50,824 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:57:50,824 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,824 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,824 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-10-22 08:57:50,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,825 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,826 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,826 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,826 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,826 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:50,826 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:57:50,826 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,827 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,829 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,829 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,829 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,829 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,829 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:50,830 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:57:50,830 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,832 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,836 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,836 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,837 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,837 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,837 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:50,837 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:57:50,837 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,838 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,838 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-10-22 08:57:50,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,838 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,838 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,839 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,839 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,839 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:50,839 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:50,839 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,839 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,840 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,840 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,840 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,840 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,841 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:50,841 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:50,841 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,844 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,846 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,848 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,848 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,848 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,848 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:50,848 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:50,848 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,849 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,849 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-10-22 08:57:50,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,850 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,850 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,850 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,850 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,850 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:50,851 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:57:50,851 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,851 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,853 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,854 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,854 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,854 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,854 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:50,854 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:57:50,854 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,858 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,863 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,863 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,863 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,864 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,864 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:50,864 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:57:50,864 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,864 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,865 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-10-22 08:57:50,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,865 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,866 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:50,866 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,866 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,866 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,866 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:50,866 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:57:50,866 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,867 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,872 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,872 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:50,872 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,873 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,873 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,873 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:50,873 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:57:50,873 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,886 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,887 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,887 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:50,887 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,887 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,887 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,888 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:50,888 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:57:50,888 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,889 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,889 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-10-22 08:57:50,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,890 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,890 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:57:50,890 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,890 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,890 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,890 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:50,891 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:50,891 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,891 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,892 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,892 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:57:50,892 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,892 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,893 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,893 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:50,894 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:50,895 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,911 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,912 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,912 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:57:50,912 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,913 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,913 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,913 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:50,915 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:50,921 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,923 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,923 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-10-22 08:57:50,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,924 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,924 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:50,924 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,924 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,924 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,924 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:50,928 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:57:50,929 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,929 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,930 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,930 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:50,930 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,930 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,930 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,930 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:50,932 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:57:50,932 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,963 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,964 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,964 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:50,964 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,964 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,965 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,965 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:50,967 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:57:50,967 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,969 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,972 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-10-22 08:57:50,972 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 [2019-10-22 08:57:50,972 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,973 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:50,973 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,973 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,973 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,973 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:50,973 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:50,973 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,974 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,975 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,975 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:50,975 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,975 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,975 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,976 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:50,976 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:50,976 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,981 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,982 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,982 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:50,982 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,982 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,983 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,983 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:50,983 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:50,983 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,985 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,986 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-10-22 08:57:50,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,987 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,987 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:50,987 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,987 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,987 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,987 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:57:50,988 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:57:50,988 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,990 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,994 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,994 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:50,994 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,994 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,994 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,994 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:57:50,995 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:57:50,995 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:51,004 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:51,005 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:51,006 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:51,006 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:51,006 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:51,006 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:51,007 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:51,007 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:57:51,008 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:57:51,008 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:51,014 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:51,034 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:57:51,034 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:57:51,034 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:57:51,034 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:57:51,034 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:57:51,034 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:51,034 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:57:51,034 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:57:51,034 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_1-1.c_Iteration1_Lasso [2019-10-22 08:57:51,034 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:57:51,034 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:57:51,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:51,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:51,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:51,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:51,118 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:57:51,118 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/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) [2019-10-22 08:57:51,124 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:51,124 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/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) [2019-10-22 08:57:51,134 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:57:51,134 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:51,148 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:57:51,149 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/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/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) [2019-10-22 08:57:51,157 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:51,157 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd66019b-9ee0-475e-a410-7d98a0cf4575/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) [2019-10-22 08:57:51,168 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:57:51,168 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:51,179 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:57:51,181 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:57:51,182 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:57:51,182 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:57:51,182 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:57:51,182 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:57:51,182 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:51,182 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:57:51,182 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:57:51,182 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_1-1.c_Iteration1_Lasso [2019-10-22 08:57:51,182 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:57:51,182 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:57:51,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:51,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:51,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:51,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:51,269 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:57:51,269 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:57:51,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:51,271 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:51,271 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:51,271 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:51,271 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:51,272 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:57:51,272 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:57:51,277 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:51,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:51,279 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:51,279 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:51,280 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:51,280 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:51,280 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:57:51,281 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:57:51,286 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:51,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:51,287 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:51,287 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:51,287 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:51,288 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:51,288 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:51,288 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:57:51,288 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:51,288 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:51,289 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 [2019-10-22 08:57:51,291 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:51,292 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:51,292 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:51,292 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:51,292 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:51,292 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:57:51,292 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:51,293 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:51,293 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-10-22 08:57:51,293 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:51,294 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:51,294 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:51,294 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:51,294 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:51,295 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 08:57:51,295 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 08:57:51,312 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:51,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:51,313 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:51,313 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:51,314 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:51,314 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:51,314 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 08:57:51,315 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 08:57:51,325 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:51,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:51,326 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:51,326 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:51,326 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:51,326 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:51,326 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:51,326 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:57:51,326 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:51,327 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:51,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:51,327 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:51,328 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:51,328 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:51,328 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:51,328 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:51,328 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:57:51,328 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:51,328 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:51,328 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-10-22 08:57:51,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:51,330 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:51,330 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:51,330 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:51,330 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:51,332 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:51,332 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:51,374 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:51,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:51,375 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:51,376 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:51,376 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:51,376 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:51,377 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:51,377 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:51,389 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:51,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:51,391 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:51,391 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:51,391 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:51,391 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:51,391 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:51,391 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:51,391 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:51,392 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:51,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:51,393 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:51,393 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:51,394 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:51,394 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:51,394 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:51,394 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:51,394 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:51,395 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:51,395 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-10-22 08:57:51,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:51,395 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:51,395 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:51,396 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:51,396 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:51,397 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-10-22 08:57:51,398 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-10-22 08:57:51,464 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:51,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:51,465 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:51,466 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:51,466 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:51,466 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:51,467 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-10-22 08:57:51,468 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-10-22 08:57:51,486 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:51,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:51,488 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:51,489 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:51,489 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:51,489 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:51,489 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:51,489 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:57:51,489 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:51,490 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:51,490 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 [2019-10-22 08:57:51,491 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:51,491 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:51,492 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:51,492 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:51,492 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:51,492 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:57:51,492 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:51,492 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:51,493 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-10-22 08:57:51,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:51,495 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:51,495 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:51,495 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:51,496 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:51,496 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:51,497 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 08:57:51,497 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 08:57:51,612 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:51,612 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 [2019-10-22 08:57:51,612 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:51,613 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:51,613 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:51,613 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:51,613 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:51,614 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 08:57:51,614 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 08:57:51,647 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:51,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:51,647 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:51,648 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:51,648 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:51,648 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:51,648 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:51,648 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:51,648 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:57:51,648 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:51,649 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:51,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:51,650 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:51,650 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:51,650 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:51,650 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:51,650 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:51,650 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:51,651 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:57:51,651 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:51,651 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:51,651 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-10-22 08:57:51,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:51,652 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:51,652 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:57:51,652 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:51,652 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:51,652 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:51,655 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:51,655 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:52,442 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:52,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:52,443 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:52,443 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:57:52,443 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:52,443 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:52,443 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:52,445 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:52,445 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:52,507 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:52,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:52,508 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:52,508 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:57:52,508 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:52,508 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:52,508 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:52,508 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:52,509 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:52,510 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:52,510 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:52,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:52,511 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:52,511 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:57:52,511 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:52,511 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:52,512 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:52,512 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:52,512 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:52,512 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:52,513 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:52,513 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-10-22 08:57:52,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:52,514 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:52,514 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:52,515 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:52,515 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:52,515 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:52,519 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-10-22 08:57:52,520 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-10-22 08:57:55,062 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:55,062 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 [2019-10-22 08:57:55,063 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:55,063 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:55,064 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:55,064 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:55,064 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:55,066 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-10-22 08:57:55,066 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-10-22 08:57:55,115 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:55,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:55,116 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:55,116 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:55,116 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:55,116 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:55,116 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:55,117 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:55,118 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:57:55,118 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:55,118 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:55,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:55,119 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:55,119 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:55,119 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:55,119 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:55,119 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:55,120 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:55,120 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:57:55,120 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:55,121 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:55,121 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-10-22 08:57:55,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:55,122 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:55,122 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:55,122 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:55,122 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:55,122 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:55,124 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:55,124 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:55,159 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:55,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:55,160 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:55,160 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:55,160 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:55,160 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:55,160 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:55,161 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:55,162 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:55,177 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:55,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:55,178 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:55,178 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:55,178 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:55,178 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:55,178 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:55,178 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:55,178 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:55,179 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:55,179 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:55,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:55,180 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:55,180 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:55,180 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:55,180 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:55,181 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:55,181 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:55,181 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:55,181 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:55,182 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:55,182 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-10-22 08:57:55,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:55,183 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:55,183 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:55,183 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:55,183 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:55,183 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:57:55,186 INFO L400 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-10-22 08:57:55,186 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-10-22 08:57:55,386 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:55,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:55,387 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:55,387 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:55,388 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:55,388 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:55,388 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:57:55,390 INFO L400 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-10-22 08:57:55,390 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-10-22 08:57:55,477 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:55,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:55,478 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:55,478 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:55,478 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:55,478 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:55,478 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:55,478 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:57:55,479 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:57:55,479 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:55,480 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:55,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:55,482 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:55,482 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:55,483 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:55,483 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:55,483 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:55,483 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:57:55,483 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:57:55,483 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:55,484 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:55,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:57:55 BoogieIcfgContainer [2019-10-22 08:57:55,492 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:57:55,492 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:57:55,492 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:57:55,492 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:57:55,493 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:41" (3/4) ... [2019-10-22 08:57:55,495 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:57:55,496 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:57:55,497 INFO L168 Benchmark]: Toolchain (without parser) took 14047.98 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 574.6 MB). Free memory was 942.4 MB in the beginning and 1.5 GB in the end (delta: -603.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:55,497 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:55,499 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 942.4 MB in the beginning and 1.2 GB in the end (delta: -209.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:55,500 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:55,501 INFO L168 Benchmark]: Boogie Preprocessor took 13.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:55,502 INFO L168 Benchmark]: RCFGBuilder took 165.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 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. [2019-10-22 08:57:55,504 INFO L168 Benchmark]: BuchiAutomizer took 13511.65 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 417.3 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -410.7 MB). Peak memory consumption was 692.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:55,506 INFO L168 Benchmark]: Witness Printer took 3.68 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:55,508 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 318.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 942.4 MB in the beginning and 1.2 GB in the end (delta: -209.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 165.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 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 13511.65 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 417.3 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -410.7 MB). Peak memory consumption was 692.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.68 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 13.3s. 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: 203ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - 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...