./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/gcnr2008_false-unreach-call_false-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/gcnr2008_false-unreach-call_false-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/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 153d29cc59a928b964d34eac87caede5c68a6fb0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:23:03,071 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:23:03,072 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:23:03,079 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:23:03,079 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:23:03,080 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:23:03,080 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:23:03,081 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:23:03,082 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:23:03,083 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:23:03,084 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:23:03,084 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:23:03,085 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:23:03,085 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:23:03,086 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:23:03,086 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:23:03,087 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:23:03,088 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:23:03,090 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:23:03,091 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:23:03,092 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:23:03,092 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:23:03,094 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:23:03,094 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:23:03,094 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:23:03,095 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:23:03,096 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:23:03,097 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:23:03,097 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:23:03,098 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:23:03,098 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:23:03,099 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:23:03,099 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:23:03,099 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:23:03,100 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:23:03,100 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:23:03,101 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 11:23:03,110 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:23:03,110 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:23:03,111 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:23:03,111 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:23:03,111 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:23:03,111 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 11:23:03,112 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 11:23:03,112 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 11:23:03,112 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 11:23:03,112 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 11:23:03,112 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 11:23:03,112 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:23:03,112 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:23:03,113 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:23:03,113 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:23:03,113 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:23:03,113 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:23:03,113 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 11:23:03,113 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 11:23:03,113 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 11:23:03,113 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:23:03,114 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:23:03,114 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 11:23:03,114 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:23:03,114 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 11:23:03,114 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:23:03,114 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:23:03,114 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 11:23:03,115 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:23:03,115 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:23:03,115 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 11:23:03,115 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 11:23:03,116 INFO L133 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_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/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 -> 153d29cc59a928b964d34eac87caede5c68a6fb0 [2018-11-28 11:23:03,139 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:23:03,147 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:23:03,149 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:23:03,150 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:23:03,150 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:23:03,151 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/uautomizer/../../sv-benchmarks/c/loop-lit/gcnr2008_false-unreach-call_false-termination.i [2018-11-28 11:23:03,188 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/uautomizer/data/6b56c091f/3960d7290f0747648a297ab4974465b1/FLAG1b1f8432a [2018-11-28 11:23:03,587 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:23:03,588 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/sv-benchmarks/c/loop-lit/gcnr2008_false-unreach-call_false-termination.i [2018-11-28 11:23:03,592 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/uautomizer/data/6b56c091f/3960d7290f0747648a297ab4974465b1/FLAG1b1f8432a [2018-11-28 11:23:03,603 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/uautomizer/data/6b56c091f/3960d7290f0747648a297ab4974465b1 [2018-11-28 11:23:03,606 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:23:03,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:23:03,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:23:03,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:23:03,611 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:23:03,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:23:03" (1/1) ... [2018-11-28 11:23:03,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@261ff106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:03, skipping insertion in model container [2018-11-28 11:23:03,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:23:03" (1/1) ... [2018-11-28 11:23:03,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:23:03,629 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:23:03,724 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:23:03,726 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:23:03,738 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:23:03,745 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:23:03,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:03 WrapperNode [2018-11-28 11:23:03,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:23:03,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:23:03,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:23:03,746 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:23:03,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:03" (1/1) ... [2018-11-28 11:23:03,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:03" (1/1) ... [2018-11-28 11:23:03,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:23:03,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:23:03,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:23:03,765 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:23:03,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:03" (1/1) ... [2018-11-28 11:23:03,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:03" (1/1) ... [2018-11-28 11:23:03,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:03" (1/1) ... [2018-11-28 11:23:03,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:03" (1/1) ... [2018-11-28 11:23:03,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:03" (1/1) ... [2018-11-28 11:23:03,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:03" (1/1) ... [2018-11-28 11:23:03,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:03" (1/1) ... [2018-11-28 11:23:03,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:23:03,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:23:03,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:23:03,811 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:23:03,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/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 [2018-11-28 11:23:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:23:03,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:23:03,937 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:23:03,937 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 11:23:03,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:23:03 BoogieIcfgContainer [2018-11-28 11:23:03,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:23:03,938 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 11:23:03,938 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 11:23:03,940 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 11:23:03,941 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:23:03,941 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:23:03" (1/3) ... [2018-11-28 11:23:03,941 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1af2adcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:23:03, skipping insertion in model container [2018-11-28 11:23:03,942 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:23:03,942 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:03" (2/3) ... [2018-11-28 11:23:03,942 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1af2adcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:23:03, skipping insertion in model container [2018-11-28 11:23:03,942 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:23:03,942 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:23:03" (3/3) ... [2018-11-28 11:23:03,944 INFO L375 chiAutomizerObserver]: Analyzing ICFG gcnr2008_false-unreach-call_false-termination.i [2018-11-28 11:23:03,987 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:23:03,988 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 11:23:03,988 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 11:23:03,988 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 11:23:03,988 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:23:03,988 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:23:03,988 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 11:23:03,988 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:23:03,988 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 11:23:03,997 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-11-28 11:23:04,011 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-28 11:23:04,011 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:23:04,011 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:23:04,016 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 11:23:04,016 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 11:23:04,016 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 11:23:04,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-11-28 11:23:04,017 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-28 11:23:04,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:23:04,017 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:23:04,018 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 11:23:04,018 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 11:23:04,024 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~nondet1, main_~x~0, main_~y~0, main_~z~0, main_~w~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;havoc main_~w~0;main_~w~0 := 0;main_~z~0 := main_~w~0;main_~y~0 := main_~z~0;main_~x~0 := main_~y~0; 10#L13-2true [2018-11-28 11:23:04,025 INFO L796 eck$LassoCheckResult]: Loop: 10#L13-2true assume !!(0 != main_#t~nondet1 && main_~y~0 < 10000);havoc main_#t~nondet1; 15#L14true assume 0 != main_#t~nondet2;havoc main_#t~nondet2;main_~x~0 := 1 + main_~x~0;main_~y~0 := 100 + main_~y~0; 7#L22-2true main_~w~0 := 1 + main_~w~0;main_~z~0 := 10 + main_~z~0; 10#L13-2true [2018-11-28 11:23:04,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:04,029 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-28 11:23:04,031 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:23:04,032 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:23:04,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:04,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:23:04,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:23:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:23:04,089 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:04,090 INFO L82 PathProgramCache]: Analyzing trace with hash 39837, now seen corresponding path program 1 times [2018-11-28 11:23:04,090 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:23:04,090 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:23:04,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:04,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:23:04,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:23:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:23:04,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:04,104 INFO L82 PathProgramCache]: Analyzing trace with hash 963358, now seen corresponding path program 1 times [2018-11-28 11:23:04,104 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:23:04,104 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:23:04,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:04,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:23:04,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:23:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:23:04,197 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:23:04,198 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:23:04,198 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:23:04,198 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:23:04,198 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 11:23:04,198 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:23:04,198 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:23:04,199 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:23:04,199 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration1_Loop [2018-11-28 11:23:04,199 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:23:04,199 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:23:04,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:04,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:04,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:04,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:04,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:04,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:04,362 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:23:04,363 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/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 [2018-11-28 11:23:04,367 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:23:04,367 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/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 [2018-11-28 11:23:04,394 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 11:23:04,394 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:23:04,413 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 11:23:04,414 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:23:04,414 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:23:04,414 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:23:04,414 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:23:04,414 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 11:23:04,414 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:23:04,414 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:23:04,414 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:23:04,415 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration1_Loop [2018-11-28 11:23:04,415 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:23:04,415 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:23:04,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:04,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:04,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:04,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:04,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:04,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:04,493 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:23:04,497 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 11:23:04,499 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:04,500 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:04,500 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:04,501 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:04,501 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:04,501 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:23:04,503 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:23:04,503 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:04,508 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 11:23:04,512 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 11:23:04,512 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 11:23:04,513 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 11:23:04,514 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 11:23:04,514 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 11:23:04,515 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = -1*ULTIMATE.start_main_~y~0 + 10049 Supporting invariants [] [2018-11-28 11:23:04,516 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 11:23:04,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:23:04,544 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:23:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:23:04,552 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:23:04,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:23:04,585 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-11-28 11:23:04,586 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 4 states. [2018-11-28 11:23:04,630 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 4 states. Result 67 states and 87 transitions. Complement of second has 8 states. [2018-11-28 11:23:04,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 11:23:04,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 11:23:04,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 40 transitions. [2018-11-28 11:23:04,633 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 1 letters. Loop has 3 letters. [2018-11-28 11:23:04,634 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:23:04,634 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 4 letters. Loop has 3 letters. [2018-11-28 11:23:04,635 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:23:04,635 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 1 letters. Loop has 6 letters. [2018-11-28 11:23:04,635 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:23:04,635 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 87 transitions. [2018-11-28 11:23:04,639 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2018-11-28 11:23:04,642 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 24 states and 35 transitions. [2018-11-28 11:23:04,643 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2018-11-28 11:23:04,643 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2018-11-28 11:23:04,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 35 transitions. [2018-11-28 11:23:04,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 11:23:04,644 INFO L705 BuchiCegarLoop]: Abstraction has 24 states and 35 transitions. [2018-11-28 11:23:04,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 35 transitions. [2018-11-28 11:23:04,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 21. [2018-11-28 11:23:04,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-11-28 11:23:04,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 32 transitions. [2018-11-28 11:23:04,661 INFO L728 BuchiCegarLoop]: Abstraction has 21 states and 32 transitions. [2018-11-28 11:23:04,662 INFO L608 BuchiCegarLoop]: Abstraction has 21 states and 32 transitions. [2018-11-28 11:23:04,662 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 11:23:04,662 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 32 transitions. [2018-11-28 11:23:04,662 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2018-11-28 11:23:04,662 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:23:04,662 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:23:04,663 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 11:23:04,663 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-11-28 11:23:04,663 INFO L794 eck$LassoCheckResult]: Stem: 122#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~nondet1, main_~x~0, main_~y~0, main_~z~0, main_~w~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;havoc main_~w~0;main_~w~0 := 0;main_~z~0 := main_~w~0;main_~y~0 := main_~z~0;main_~x~0 := main_~y~0; 123#L13-2 assume !!(0 != main_#t~nondet1 && main_~y~0 < 10000);havoc main_#t~nondet1; 125#L14 [2018-11-28 11:23:04,663 INFO L796 eck$LassoCheckResult]: Loop: 125#L14 assume !(0 != main_#t~nondet2);havoc main_#t~nondet2; 140#L17 assume !(0 != main_#t~nondet3);havoc main_#t~nondet3; 128#L22 assume !(main_~y~0 > 10 * main_~w~0 && main_~z~0 >= 100 * main_~x~0); 130#L22-2 main_~w~0 := 1 + main_~w~0;main_~z~0 := 10 + main_~z~0; 124#L13-2 assume !!(0 != main_#t~nondet1 && main_~y~0 < 10000);havoc main_#t~nondet1; 125#L14 [2018-11-28 11:23:04,663 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:04,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-11-28 11:23:04,663 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:23:04,664 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:23:04,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:04,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:23:04,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:23:04,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:23:04,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:04,668 INFO L82 PathProgramCache]: Analyzing trace with hash 43287356, now seen corresponding path program 1 times [2018-11-28 11:23:04,668 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:23:04,668 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:23:04,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:04,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:23:04,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:23:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:23:04,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:04,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1363703565, now seen corresponding path program 1 times [2018-11-28 11:23:04,675 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:23:04,675 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:23:04,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:04,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:23:04,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:23:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:23:04,746 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:23:04,746 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:23:04,747 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:23:04,747 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:23:04,747 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 11:23:04,747 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:23:04,747 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:23:04,747 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:23:04,747 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration2_Loop [2018-11-28 11:23:04,747 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:23:04,747 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:23:04,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:04,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:04,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:04,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:04,885 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:23:04,886 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/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 [2018-11-28 11:23:04,893 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:23:04,893 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:23:04,898 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:23:04,898 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/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 [2018-11-28 11:23:04,920 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:23:04,920 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/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 [2018-11-28 11:23:04,937 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 11:23:04,937 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:23:16,973 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 11:23:16,977 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:23:16,977 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:23:16,977 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:23:16,977 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:23:16,978 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 11:23:16,978 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:23:16,978 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:23:16,978 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:23:16,978 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration2_Loop [2018-11-28 11:23:16,978 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:23:16,978 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:23:16,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:16,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:16,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:16,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:17,061 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:23:17,061 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 11:23:17,062 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,062 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:17,064 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,064 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,064 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:17,064 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:23:17,065 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:23:17,065 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,066 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,067 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,068 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:17,068 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,068 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,068 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:17,068 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:23:17,070 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:23:17,070 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,089 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,089 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,090 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:17,090 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,090 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,091 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:17,092 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:23:17,092 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:23:17,092 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,097 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,097 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,098 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:17,098 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,098 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,098 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:17,098 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:23:17,099 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:23:17,099 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,100 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,100 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 11:23:17,100 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,104 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:17,104 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,104 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,104 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:17,104 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:23:17,105 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:23:17,105 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,106 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,106 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,107 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:17,107 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,107 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,107 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:17,107 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:23:17,109 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:23:17,109 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,121 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,121 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,121 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:17,122 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,122 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,122 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:17,122 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:23:17,123 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:23:17,123 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,132 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,132 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,132 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:17,133 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,133 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,133 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:17,133 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:23:17,134 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:23:17,134 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,135 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,135 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 11:23:17,135 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,135 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:17,135 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,136 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,136 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:17,136 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:23:17,136 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:23:17,137 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,138 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,138 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,138 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:17,139 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,139 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,139 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:17,139 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:23:17,141 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 11:23:17,141 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,156 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,157 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,157 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:17,158 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,158 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,158 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:17,158 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:23:17,159 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 11:23:17,159 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,163 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,164 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,164 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:17,164 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,166 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,166 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:17,166 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:23:17,167 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:23:17,167 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,168 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,168 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 11:23:17,168 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,169 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:17,169 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,169 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,169 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:17,169 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:23:17,170 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:23:17,170 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,171 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,171 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,172 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:17,172 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,172 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,172 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:17,172 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:23:17,174 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-11-28 11:23:17,174 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,188 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,188 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,190 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:17,190 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,190 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,191 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:17,191 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:23:17,192 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-11-28 11:23:17,192 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,196 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,196 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,197 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:17,197 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,197 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,197 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:17,197 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:23:17,198 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:23:17,198 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,199 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,199 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 11:23:17,199 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,200 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:17,200 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:23:17,200 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,200 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,200 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:17,205 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:23:17,205 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:23:17,206 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,207 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,207 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,208 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:17,208 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:23:17,208 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,208 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,208 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:17,208 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:23:17,213 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:23:17,214 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,247 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,248 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,249 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:17,249 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:23:17,249 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,249 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,249 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:17,249 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:23:17,250 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:23:17,250 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,259 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,260 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,260 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:17,260 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:23:17,260 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,261 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,261 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:17,261 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:23:17,262 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:23:17,262 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,263 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,263 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 11:23:17,263 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,265 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:17,265 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:23:17,265 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,265 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,265 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:17,265 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:23:17,266 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:23:17,266 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,268 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,268 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,270 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:17,270 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:23:17,270 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,270 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,270 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:17,271 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:23:17,275 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 11:23:17,275 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,341 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,341 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,342 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:17,342 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:23:17,342 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,343 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,343 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:17,343 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:23:17,344 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 11:23:17,345 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,351 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,351 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,352 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:17,352 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:23:17,352 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,352 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,352 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:17,355 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:23:17,355 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:23:17,356 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,357 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,357 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 11:23:17,358 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,358 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:17,358 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:23:17,358 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,359 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,359 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:17,359 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:23:17,360 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:23:17,360 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,364 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,364 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,365 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:17,365 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:23:17,365 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,365 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,366 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:17,366 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:23:17,370 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-11-28 11:23:17,370 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,564 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,565 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,565 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:17,565 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:23:17,565 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,566 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,566 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:17,566 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:23:17,568 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-11-28 11:23:17,568 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,577 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,577 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,578 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:17,578 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:23:17,578 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,578 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,578 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:17,578 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:23:17,579 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:23:17,579 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,580 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,580 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 11:23:17,581 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,582 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:17,582 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:23:17,582 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,582 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,582 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:17,582 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:23:17,583 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:23:17,583 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,584 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,585 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,585 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:17,585 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:23:17,586 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,586 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,586 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:17,586 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:23:17,587 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 11:23:17,587 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,596 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,597 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,597 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:17,597 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:23:17,597 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,597 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,597 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:17,598 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:23:17,598 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 11:23:17,598 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,602 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,602 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,603 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:17,603 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:23:17,603 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,603 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,603 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:17,603 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:23:17,604 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:23:17,604 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,606 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,606 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 11:23:17,606 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,607 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:17,607 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:23:17,607 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,607 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,607 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:17,607 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:23:17,608 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:23:17,608 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,611 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,611 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,612 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:17,612 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:23:17,612 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,612 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,612 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:17,612 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:23:17,615 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 11:23:17,615 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,634 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,635 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,635 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:17,635 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:23:17,635 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,636 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,636 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:17,636 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:23:17,637 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 11:23:17,637 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,644 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,645 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:17,645 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:17,645 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:23:17,645 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:17,646 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:17,646 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:17,646 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:23:17,647 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:23:17,647 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:17,649 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:17,709 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:23:17,709 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:23:17,709 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:23:17,709 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:23:17,709 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 11:23:17,710 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:23:17,710 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:23:17,710 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:23:17,710 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration2_Lasso [2018-11-28 11:23:17,710 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:23:17,710 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:23:17,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:17,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:17,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:17,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:17,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:17,866 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:23:17,866 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/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 [2018-11-28 11:23:17,869 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:23:17,869 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/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 [2018-11-28 11:23:17,898 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 11:23:17,899 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:23:31,056 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 11:23:31,060 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:23:31,060 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:23:31,060 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:23:31,060 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:23:31,060 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 11:23:31,060 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:23:31,060 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:23:31,060 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:23:31,060 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration2_Lasso [2018-11-28 11:23:31,060 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:23:31,060 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:23:31,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:31,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:31,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:31,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:31,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:31,143 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:23:31,143 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 11:23:31,143 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,143 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:31,144 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,144 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:31,144 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:23:31,147 INFO L402 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2018-11-28 11:23:31,148 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 11:23:31,168 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,169 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,169 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:31,169 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:31,169 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,169 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:31,169 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:23:31,170 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:23:31,170 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:31,171 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,171 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,171 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:31,171 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:31,172 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,172 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:31,172 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:23:31,172 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:23:31,172 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:31,173 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,173 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,173 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:31,173 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:31,173 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,173 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:31,173 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:23:31,174 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:23:31,174 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:31,174 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,174 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,175 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:31,175 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:31,175 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,175 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:31,175 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:23:31,175 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:23:31,175 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:31,176 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,176 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 11:23:31,176 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,176 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:31,176 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,177 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:31,177 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:23:31,181 INFO L402 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2018-11-28 11:23:31,181 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 11:23:31,210 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,210 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,211 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:31,211 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:31,211 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,211 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:31,211 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:23:31,212 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:23:31,212 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:31,213 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,213 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,214 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:31,214 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:31,214 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,214 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:31,214 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:23:31,214 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:23:31,214 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:31,215 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,215 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,215 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:31,216 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:31,216 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,216 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:31,216 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:23:31,216 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:23:31,216 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:31,217 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,217 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,217 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:31,217 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:31,217 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,218 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:31,218 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:23:31,218 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:23:31,218 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:31,218 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,218 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 11:23:31,219 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,219 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:31,219 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,219 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:31,219 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:23:31,225 INFO L402 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2018-11-28 11:23:31,225 INFO L403 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2018-11-28 11:23:31,254 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,254 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,255 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:31,256 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:31,256 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,256 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:31,256 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:23:31,256 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 11:23:31,256 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:31,258 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,258 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,259 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:31,259 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:31,259 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,259 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:31,259 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:23:31,259 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:23:31,259 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:31,260 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,260 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,260 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:31,260 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:31,260 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,261 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:31,261 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:23:31,261 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:23:31,261 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:31,262 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,262 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,262 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:31,262 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:31,262 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,263 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:31,263 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:23:31,263 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:23:31,263 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:31,263 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,263 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 11:23:31,264 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,264 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:31,264 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,264 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:31,264 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:23:31,271 INFO L402 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2018-11-28 11:23:31,271 INFO L403 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2018-11-28 11:23:31,318 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,319 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,319 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:31,319 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:31,319 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,319 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:31,319 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:23:31,320 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-11-28 11:23:31,320 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:31,322 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,322 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,322 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:31,323 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:31,323 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,323 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:31,323 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:23:31,323 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:23:31,323 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:31,324 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,324 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,324 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:31,324 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:31,324 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,325 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:31,325 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:23:31,325 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:23:31,325 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:31,325 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,326 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,326 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:31,326 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:31,326 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,326 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:31,326 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:23:31,327 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:23:31,327 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:31,327 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,327 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 11:23:31,327 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,328 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:31,328 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:23:31,328 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,328 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:31,328 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:23:31,332 INFO L402 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2018-11-28 11:23:31,332 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 11:23:31,409 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,409 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,410 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:31,410 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:23:31,410 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:31,410 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,411 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:31,411 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:23:31,411 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:23:31,411 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:31,416 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,416 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,417 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:31,417 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:23:31,417 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:31,417 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,417 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:31,417 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:23:31,418 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:23:31,418 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:31,418 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,419 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,419 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:31,419 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:23:31,419 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:31,419 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,419 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:31,420 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:23:31,420 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:23:31,420 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:31,421 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,421 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,421 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:31,421 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:23:31,422 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:31,422 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,422 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:31,422 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:23:31,422 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:23:31,422 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:31,423 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,423 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 11:23:31,423 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,423 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:31,423 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:23:31,424 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,424 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:31,424 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:23:31,429 INFO L402 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2018-11-28 11:23:31,430 INFO L403 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2018-11-28 11:23:31,674 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,674 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,675 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:31,675 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:23:31,675 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:31,675 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,675 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:31,675 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:23:31,676 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 11:23:31,676 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:31,681 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,681 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,681 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:31,681 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:23:31,681 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:31,682 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,682 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:31,682 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:23:31,682 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:23:31,682 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:31,683 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,684 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,684 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:31,684 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:23:31,684 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:31,684 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,684 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:31,684 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:23:31,685 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:23:31,685 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:31,686 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,686 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,686 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:31,686 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:23:31,687 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:31,687 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,687 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:31,687 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:23:31,687 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:23:31,687 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:31,688 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:31,688 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 11:23:31,688 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:31,689 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:31,689 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:23:31,689 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:31,689 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:31,689 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:23:31,697 INFO L402 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2018-11-28 11:23:31,697 INFO L403 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2018-11-28 11:23:32,299 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:32,299 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:32,300 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:32,300 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:23:32,300 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:32,300 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:32,301 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:32,301 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:23:32,302 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-11-28 11:23:32,302 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:32,307 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:32,307 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:32,308 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:32,308 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:23:32,308 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:32,308 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:32,308 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:32,308 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:23:32,309 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:23:32,309 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:32,309 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:32,310 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:32,310 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:32,310 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:23:32,310 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:32,310 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:32,310 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:32,311 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:23:32,311 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:23:32,311 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:32,312 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:32,312 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:32,313 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:32,313 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:23:32,313 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:32,313 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:32,313 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:32,313 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:23:32,314 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:23:32,314 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:32,314 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:32,314 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 11:23:32,315 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:32,315 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:32,315 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:23:32,315 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:32,315 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:32,315 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:23:32,320 INFO L402 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2018-11-28 11:23:32,320 INFO L403 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2018-11-28 11:23:32,381 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:32,381 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:32,381 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:32,381 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:23:32,381 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:32,382 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:32,382 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:32,382 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:23:32,382 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 11:23:32,382 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:32,385 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:32,385 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:32,385 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:32,385 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:23:32,385 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:32,385 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:32,386 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:32,386 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:23:32,386 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:23:32,386 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:32,387 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:32,387 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:32,388 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:32,388 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:23:32,388 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:32,388 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:32,388 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:32,388 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:23:32,389 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:23:32,389 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:32,390 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:32,390 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:32,390 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:32,391 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:23:32,391 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:32,391 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:32,391 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:32,391 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:23:32,391 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:23:32,391 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:32,392 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:32,392 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 11:23:32,392 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:32,393 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:32,393 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:23:32,393 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:32,393 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:32,393 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:23:32,400 INFO L402 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2018-11-28 11:23:32,400 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-11-28 11:23:32,604 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:32,604 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:32,605 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:32,605 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:23:32,605 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:32,605 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:32,605 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:23:32,605 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:23:32,606 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 11:23:32,606 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:32,611 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:32,611 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:32,612 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:32,612 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:23:32,612 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:32,612 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:32,612 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:32,612 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:23:32,613 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:23:32,613 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:32,615 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:32,615 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:32,616 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:32,616 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:23:32,616 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:32,616 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:32,616 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:32,616 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:23:32,617 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:23:32,617 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:32,619 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:32,619 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:32,619 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:23:32,620 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:23:32,620 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:32,620 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:32,620 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:32,620 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:23:32,620 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:23:32,620 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:32,622 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:32,622 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-28 11:23:32,622 INFO L794 eck$LassoCheckResult]: Stem: 122#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~nondet1, main_~x~0, main_~y~0, main_~z~0, main_~w~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;havoc main_~w~0;main_~w~0 := 0;main_~z~0 := main_~w~0;main_~y~0 := main_~z~0;main_~x~0 := main_~y~0; 123#L13-2 assume !!(0 != main_#t~nondet1 && main_~y~0 < 10000);havoc main_#t~nondet1; 125#L14 assume !(0 != main_#t~nondet2);havoc main_#t~nondet2; 140#L17 assume !(0 != main_#t~nondet3);havoc main_#t~nondet3; 128#L22 assume !(main_~y~0 > 10 * main_~w~0 && main_~z~0 >= 100 * main_~x~0); 130#L22-2 main_~w~0 := 1 + main_~w~0;main_~z~0 := 10 + main_~z~0; 124#L13-2 assume !!(0 != main_#t~nondet1 && main_~y~0 < 10000);havoc main_#t~nondet1; 125#L14 [2018-11-28 11:23:32,622 INFO L796 eck$LassoCheckResult]: Loop: 125#L14 assume !(0 != main_#t~nondet2);havoc main_#t~nondet2; 140#L17 assume !(0 != main_#t~nondet3);havoc main_#t~nondet3; 128#L22 assume !(main_~y~0 > 10 * main_~w~0 && main_~z~0 >= 100 * main_~x~0); 130#L22-2 main_~w~0 := 1 + main_~w~0;main_~z~0 := 10 + main_~z~0; 124#L13-2 assume !!(0 != main_#t~nondet1 && main_~y~0 < 10000);havoc main_#t~nondet1; 125#L14 [2018-11-28 11:23:32,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:32,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1363703565, now seen corresponding path program 2 times [2018-11-28 11:23:32,623 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:23:32,623 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:23:32,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:32,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:23:32,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:23:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:23:32,631 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:32,632 INFO L82 PathProgramCache]: Analyzing trace with hash 43287356, now seen corresponding path program 2 times [2018-11-28 11:23:32,632 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:23:32,632 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:23:32,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:32,632 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:23:32,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:23:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:23:32,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:32,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1639530102, now seen corresponding path program 3 times [2018-11-28 11:23:32,636 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:23:32,636 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:23:32,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:32,637 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:23:32,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:23:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:23:32,677 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:23:32,677 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:23:32,677 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:23:32,677 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:23:32,677 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 11:23:32,678 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:23:32,678 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:23:32,678 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:23:32,678 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration2_Loop [2018-11-28 11:23:32,678 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:23:32,678 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:23:32,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:32,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:32,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:32,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:32,773 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:23:32,774 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/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 [2018-11-28 11:23:32,778 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:23:32,778 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:23:32,781 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:23:32,781 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:23:32,817 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:23:32,817 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:23:32,836 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 11:23:32,837 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:23:42,485 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:23:42,485 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=0, ULTIMATE.start_main_~x~0=2005, ULTIMATE.start_main_~w~0=9797} Honda state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=0, ULTIMATE.start_main_~x~0=2005, ULTIMATE.start_main_~w~0=9797} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=-2144, ULTIMATE.start_main_~x~0=1913, ULTIMATE.start_main_~w~0=1}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=0, ULTIMATE.start_main_~x~0=0, ULTIMATE.start_main_~w~0=0}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=2154, ULTIMATE.start_main_~x~0=-1913, ULTIMATE.start_main_~w~0=0}] Lambdas: [1, 0, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:23:42,503 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:23:42,503 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:23:42,505 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:23:42,505 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=7} Honda state: {ULTIMATE.start_main_#t~nondet1=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:23:42,521 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:23:42,521 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:23:42,523 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:23:42,523 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=0} Honda state: {ULTIMATE.start_main_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2018-11-28 11:23:42,559 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:23:42,559 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:23:42,560 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:23:42,560 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:23:42,560 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 11:23:42,560 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:23:42,560 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:23:42,560 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:23:42,560 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration2_Lasso [2018-11-28 11:23:42,560 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:23:42,560 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:23:42,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:42,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:42,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:42,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:42,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:42,646 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:23:42,646 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:23:42,658 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:23:42,658 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:23:42,665 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:23:42,665 INFO L448 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_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:23:42,682 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:23:42,682 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:23:42,703 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 11:23:42,704 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:23:53,672 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:23:53,673 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~w~0=0, ULTIMATE.start_main_~x~0=0, ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=0} Honda state: {ULTIMATE.start_main_~w~0=1, ULTIMATE.start_main_~x~0=0, ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=10} Generalized eigenvectors: [{ULTIMATE.start_main_~w~0=1, ULTIMATE.start_main_~x~0=-8191, ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=-8181}, {ULTIMATE.start_main_~w~0=0, ULTIMATE.start_main_~x~0=-1, ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=-1}, {ULTIMATE.start_main_~w~0=0, ULTIMATE.start_main_~x~0=8192, ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=8192}] Lambdas: [1, 8193, 1] Nus: [0, 1] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:23:53,691 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:23:53,692 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:23:53,694 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:23:53,694 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:23:53,710 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:23:53,710 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:23:53,715 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:23:53,715 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=7} Honda state: {ULTIMATE.start_main_#t~nondet1=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:23:53,746 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:23:53,746 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:23:53,751 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:23:53,751 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=0} Honda state: {ULTIMATE.start_main_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2018-11-28 11:23:53,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:23:53 BoogieIcfgContainer [2018-11-28 11:23:53,786 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 11:23:53,786 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:23:53,786 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:23:53,786 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:23:53,787 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:23:03" (3/4) ... [2018-11-28 11:23:53,789 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 11:23:53,821 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_819049bb-621d-4163-96da-d2c94c686ec5/bin-2019/uautomizer/witness.graphml [2018-11-28 11:23:53,821 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:23:53,822 INFO L168 Benchmark]: Toolchain (without parser) took 50215.67 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 318.8 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -162.9 MB). Peak memory consumption was 155.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:23:53,823 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:23:53,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 138.31 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:23:53,824 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.94 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:23:53,824 INFO L168 Benchmark]: Boogie Preprocessor took 45.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -203.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:23:53,824 INFO L168 Benchmark]: RCFGBuilder took 126.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2018-11-28 11:23:53,825 INFO L168 Benchmark]: BuchiAutomizer took 49847.75 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 174.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.0 MB). Peak memory consumption was 186.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:23:53,825 INFO L168 Benchmark]: Witness Printer took 35.10 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:23:53,827 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 138.31 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.94 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -203.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 126.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 49847.75 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 174.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.0 MB). Peak memory consumption was 186.6 MB. Max. memory is 11.5 GB. * Witness Printer took 35.10 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function -1 * y + 10049 and consists of 5 locations. The remainder module has 21 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 49.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 49.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 21 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 17 SDtfs, 21 SDslu, 22 SDs, 0 SdLazy, 22 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf97 lsp52 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq159 hnf93 smp100 dnf126 smp100 tf107 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 16ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 20.7s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 14]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31658583=0, \result=0, w=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e424ccb=7, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c547e01=0, z=0, x=0, y=0} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31658583=0, \result=0, w=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e424ccb=7, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c547e01=0, z=10, x=0, y=0} For i>1, the state at position i is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31658583=0 + sum_{k=0}^i 0, \result=0 + sum_{k=0}^i 0, w=1 + sum_{k=0}^i 1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e424ccb=7 + sum_{k=0}^i 0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c547e01=0 + sum_{k=0}^i 0, z=10 + sum_{k=0}^i -8181 + -1*8193^k + 8192 + 8192*k*8193^(k-1), x=0 + sum_{k=0}^i -8191 + -1*8193^k + 8192 + 8192*k*8193^(k-1), y=0 + sum_{k=0}^i 0} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 3GEVs Lambdas: [1, 8193, 1] Mus: [0, 1] - NonterminatingLassoResult [Line: 14]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L11] int x,y,z,w; [L12] EXPR w = 0 [L12] EXPR z = w = 0 [L12] EXPR y = z = w = 0 [L12] x = y = z = w = 0 [L13] COND TRUE __VERIFIER_nondet_int() && y < 10000 [L14] COND FALSE !(__VERIFIER_nondet_int()) [L17] COND FALSE !(__VERIFIER_nondet_int()) [L22] COND FALSE !(y > 10*w && z >= 100*x) [L25] w = w + 1 [L26] z = z + 10 [L13] COND TRUE __VERIFIER_nondet_int() && y < 10000 Loop: [L14] COND FALSE !(__VERIFIER_nondet_int()) [L17] COND FALSE !(__VERIFIER_nondet_int()) [L22] COND FALSE !(y > 10*w && z >= 100*x) [L25] w = w + 1 [L26] z = z + 10 [L13] COND TRUE __VERIFIER_nondet_int() && y < 10000 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...