./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-restricted-15/MirrorIntervSim_false-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/termination-restricted-15/MirrorIntervSim_false-termination_true-no-overflow.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b46e33ca50e9f914cee262a77e37684667303674 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-91b1670 [2018-11-28 23:17:15,070 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:17:15,072 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:17:15,084 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:17:15,085 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:17:15,086 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:17:15,087 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:17:15,089 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:17:15,090 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:17:15,091 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:17:15,092 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:17:15,092 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:17:15,093 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:17:15,094 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:17:15,095 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:17:15,096 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:17:15,097 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:17:15,099 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:17:15,101 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:17:15,103 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:17:15,104 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:17:15,105 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:17:15,108 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:17:15,108 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:17:15,108 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:17:15,109 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:17:15,110 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:17:15,113 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:17:15,116 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:17:15,117 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:17:15,121 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:17:15,122 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:17:15,122 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:17:15,122 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:17:15,124 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:17:15,126 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:17:15,127 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 23:17:15,162 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:17:15,162 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:17:15,165 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:17:15,166 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:17:15,166 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:17:15,166 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:17:15,166 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:17:15,166 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:17:15,166 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:17:15,168 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:17:15,169 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:17:15,169 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:17:15,169 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:17:15,169 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:17:15,169 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:17:15,169 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:17:15,172 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:17:15,172 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:17:15,172 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:17:15,173 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:17:15,173 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:17:15,173 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:17:15,173 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:17:15,174 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:17:15,174 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:17:15,174 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:17:15,174 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:17:15,174 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:17:15,178 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:17:15,179 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b46e33ca50e9f914cee262a77e37684667303674 [2018-11-28 23:17:15,229 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:17:15,242 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:17:15,246 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:17:15,248 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:17:15,248 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:17:15,249 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-restricted-15/MirrorIntervSim_false-termination_true-no-overflow.c [2018-11-28 23:17:15,311 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/915f8424b/377b977ec8e14aaa9d7b211f7b770bfc/FLAG795ca97bd [2018-11-28 23:17:15,862 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:17:15,862 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-restricted-15/MirrorIntervSim_false-termination_true-no-overflow.c [2018-11-28 23:17:15,868 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/915f8424b/377b977ec8e14aaa9d7b211f7b770bfc/FLAG795ca97bd [2018-11-28 23:17:16,218 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/915f8424b/377b977ec8e14aaa9d7b211f7b770bfc [2018-11-28 23:17:16,221 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:17:16,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:17:16,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:17:16,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:17:16,227 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:17:16,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:17:16" (1/1) ... [2018-11-28 23:17:16,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@532af33b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:16, skipping insertion in model container [2018-11-28 23:17:16,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:17:16" (1/1) ... [2018-11-28 23:17:16,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:17:16,255 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:17:16,438 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:17:16,442 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:17:16,462 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:17:16,479 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:17:16,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:16 WrapperNode [2018-11-28 23:17:16,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:17:16,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:17:16,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:17:16,481 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:17:16,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:16" (1/1) ... [2018-11-28 23:17:16,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:16" (1/1) ... [2018-11-28 23:17:16,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:17:16,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:17:16,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:17:16,530 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:17:16,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:16" (1/1) ... [2018-11-28 23:17:16,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:16" (1/1) ... [2018-11-28 23:17:16,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:16" (1/1) ... [2018-11-28 23:17:16,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:16" (1/1) ... [2018-11-28 23:17:16,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:16" (1/1) ... [2018-11-28 23:17:16,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:16" (1/1) ... [2018-11-28 23:17:16,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:16" (1/1) ... [2018-11-28 23:17:16,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:17:16,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:17:16,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:17:16,556 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:17:16,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 23:17:16,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:17:16,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:17:16,945 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:17:16,945 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-28 23:17:16,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:17:16 BoogieIcfgContainer [2018-11-28 23:17:16,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:17:16,947 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:17:16,947 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:17:16,951 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:17:16,952 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:17:16,952 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:17:16" (1/3) ... [2018-11-28 23:17:16,953 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@659c7680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:17:16, skipping insertion in model container [2018-11-28 23:17:16,953 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:17:16,954 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:16" (2/3) ... [2018-11-28 23:17:16,954 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@659c7680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:17:16, skipping insertion in model container [2018-11-28 23:17:16,954 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:17:16,954 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:17:16" (3/3) ... [2018-11-28 23:17:16,956 INFO L375 chiAutomizerObserver]: Analyzing ICFG MirrorIntervSim_false-termination_true-no-overflow.c [2018-11-28 23:17:17,021 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:17:17,022 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:17:17,022 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:17:17,022 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:17:17,022 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:17:17,022 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:17:17,022 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:17:17,023 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:17:17,023 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:17:17,038 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-11-28 23:17:17,061 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-28 23:17:17,061 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:17:17,062 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:17:17,071 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:17:17,072 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 23:17:17,072 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:17:17,072 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-11-28 23:17:17,073 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-28 23:17:17,073 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:17:17,073 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:17:17,074 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:17:17,074 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 23:17:17,083 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; 10#L10-1true [2018-11-28 23:17:17,083 INFO L796 eck$LassoCheckResult]: Loop: 10#L10-1true assume !!(0 != main_~i~0); 3#L10true assume !(-5 <= main_~i~0 && main_~i~0 <= 35);main_~i~0 := 0; 10#L10-1true [2018-11-28 23:17:17,089 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:17:17,089 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-28 23:17:17,091 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:17:17,092 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:17:17,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:17,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:17:17,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:17,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:17:17,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1297, now seen corresponding path program 1 times [2018-11-28 23:17:17,192 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:17:17,192 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:17:17,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:17,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:17:17,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:17,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:17:17,215 INFO L82 PathProgramCache]: Analyzing trace with hash 31088, now seen corresponding path program 1 times [2018-11-28 23:17:17,215 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:17:17,215 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:17:17,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:17,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:17:17,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:17,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:17,447 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2018-11-28 23:17:17,505 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:17:17,506 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:17:17,507 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:17:17,507 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:17:17,507 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:17:17,507 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:17:17,507 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:17:17,508 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:17:17,508 INFO L131 ssoRankerPreferences]: Filename of dumped script: MirrorIntervSim_false-termination_true-no-overflow.c_Iteration1_Loop [2018-11-28 23:17:17,508 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:17:17,508 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:17:17,533 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 23:17:17,550 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 23:17:17,556 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 23:17:17,847 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-28 23:17:17,855 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:17:17,855 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 23:17:17,866 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:17:17,866 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:17:17,918 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:17:17,918 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2018-11-28 23:17:17,930 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:17:17,930 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:17:17,974 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:17:17,974 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 23:17:17,982 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:17:17,982 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 23:17:18,009 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:17:18,009 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:17:18,043 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:17:18,047 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:17:18,048 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:17:18,048 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:17:18,048 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:17:18,048 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:17:18,049 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:17:18,049 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:17:18,049 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:17:18,049 INFO L131 ssoRankerPreferences]: Filename of dumped script: MirrorIntervSim_false-termination_true-no-overflow.c_Iteration1_Loop [2018-11-28 23:17:18,049 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:17:18,049 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:17:18,052 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 23:17:18,075 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 23:17:18,086 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 23:17:18,258 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:17:18,263 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:17:18,265 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 23:17:18,266 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:18,267 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:18,267 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:18,267 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:17:18,272 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:17:18,273 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:17:18,284 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:18,285 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 23:17:18,286 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:18,286 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:18,286 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:18,287 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:17:18,289 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:17:18,290 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:17:18,300 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:18,300 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 23:17:18,301 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:18,301 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:18,302 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:18,302 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:17:18,302 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:17:18,304 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:17:18,304 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:18,316 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:18,316 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 23:17:18,317 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 23:17:18,318 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:18,318 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:18,318 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:18,318 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:18,322 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:17:18,323 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:17:18,329 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:18,329 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 23:17:18,330 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:18,331 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:18,331 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:18,331 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:18,335 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:17:18,335 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:17:18,348 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:18,349 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 23:17:18,349 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:18,349 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:18,350 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:18,350 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:17:18,350 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:18,352 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:17:18,352 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:18,367 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:18,368 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 23:17:18,368 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 23:17:18,369 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:18,370 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:18,370 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:18,370 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:18,375 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:18,375 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:18,389 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:18,391 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 23:17:18,391 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:18,395 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:18,396 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:18,396 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:18,408 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:18,408 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:18,433 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:18,434 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 23:17:18,435 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:18,435 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:18,438 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:18,439 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:17:18,439 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:18,441 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 23:17:18,441 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:18,474 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:18,478 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 23:17:18,478 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 23:17:18,479 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:18,479 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:18,479 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:18,480 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:18,488 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:17:18,489 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:17:18,498 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:18,498 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 23:17:18,499 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:18,499 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:18,501 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:18,501 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:18,508 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:17:18,508 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:17:18,531 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:18,534 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 23:17:18,535 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:18,535 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:18,535 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:18,538 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:17:18,538 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:18,540 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-11-28 23:17:18,540 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:18,567 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:18,568 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 23:17:18,569 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 23:17:18,570 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:18,570 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:18,570 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:18,570 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:18,572 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:18,575 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:17:18,575 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:17:18,586 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:18,591 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 23:17:18,593 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:18,594 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:18,594 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:18,594 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:18,594 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:18,602 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:17:18,604 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:17:18,620 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:18,621 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 23:17:18,623 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:18,624 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:18,624 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:18,624 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:18,624 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:17:18,624 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:18,633 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:17:18,636 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:18,657 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:18,664 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 23:17:18,664 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 23:17:18,665 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:18,669 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:17:18,669 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:18,669 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:18,669 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:18,675 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:18,677 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:18,691 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:18,692 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 23:17:18,696 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:18,696 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:17:18,697 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:18,697 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:18,697 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:18,702 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:18,702 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:18,723 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:18,724 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 23:17:18,728 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:18,729 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:17:18,735 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:18,735 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:18,735 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:17:18,735 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:18,743 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 23:17:18,744 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:18,772 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:18,772 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 23:17:18,772 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 23:17:18,773 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:18,773 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:18,774 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:18,774 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:18,774 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:18,777 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:17:18,778 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:17:18,788 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:18,789 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 23:17:18,790 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:18,790 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:18,790 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:18,791 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:18,791 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:18,794 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:17:18,794 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:17:18,806 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:18,807 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 23:17:18,808 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:18,808 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:18,808 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:18,808 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:18,808 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:17:18,809 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:18,812 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-11-28 23:17:18,812 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:18,832 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:18,833 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 23:17:18,833 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 23:17:18,834 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:18,834 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:18,834 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:18,835 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:18,835 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:18,836 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:18,837 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:18,841 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:18,842 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 23:17:18,843 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:18,843 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:18,843 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:18,843 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:18,843 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:18,845 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:18,845 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:18,851 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:18,852 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 23:17:18,853 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:18,853 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:18,853 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:18,853 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:18,853 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:17:18,854 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:18,855 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 23:17:18,855 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:18,864 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:18,864 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 23:17:18,864 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 23:17:18,865 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:18,865 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:18,865 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:18,866 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:18,866 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:17:18,868 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 23:17:18,868 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 23:17:18,875 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:18,876 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 23:17:18,877 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:18,877 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:18,877 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:18,879 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:18,879 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:17:18,882 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 23:17:18,883 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 23:17:18,893 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:18,895 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 23:17:18,898 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:18,899 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:18,899 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:18,900 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:18,900 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:17:18,900 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:17:18,903 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:18,904 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:18,938 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:18,992 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:17:18,992 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:17:18,992 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:17:18,993 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:17:18,993 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:17:18,993 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:17:18,993 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:17:18,993 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:17:18,993 INFO L131 ssoRankerPreferences]: Filename of dumped script: MirrorIntervSim_false-termination_true-no-overflow.c_Iteration1_Lasso [2018-11-28 23:17:18,993 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:17:18,993 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:17:18,997 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 23:17:19,036 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 23:17:19,062 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 23:17:19,106 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 23:17:19,135 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 23:17:19,277 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-28 23:17:19,676 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:17:19,676 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 23:17:19,681 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:17:19,681 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:17:19,704 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:17:19,704 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 23:17:19,708 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:17:19,709 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:17:19,714 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:17:19,714 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 23:17:19,737 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:17:19,737 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:17:19,757 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:17:19,757 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 23:17:19,763 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:17:19,763 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:17:19,765 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:17:19,766 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 23:17:19,801 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:17:19,802 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 23:17:19,829 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:17:19,829 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:17:19,865 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:17:19,868 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:17:19,868 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:17:19,868 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:17:19,868 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:17:19,868 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:17:19,868 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:17:19,869 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:17:19,869 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:17:19,869 INFO L131 ssoRankerPreferences]: Filename of dumped script: MirrorIntervSim_false-termination_true-no-overflow.c_Iteration1_Lasso [2018-11-28 23:17:19,869 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:17:19,869 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:17:19,871 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 23:17:19,879 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 23:17:19,897 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 23:17:19,903 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 23:17:19,913 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 23:17:20,240 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-28 23:17:20,379 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:17:20,379 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:17:20,380 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 23:17:20,380 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:20,381 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,381 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,381 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:17:20,382 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:17:20,382 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:17:20,384 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,384 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 23:17:20,385 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:20,385 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:20,385 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,385 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:17:20,385 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:17:20,386 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:17:20,386 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:20,388 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,388 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 23:17:20,389 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:20,389 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,389 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,389 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:17:20,390 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:17:20,390 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:17:20,392 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,392 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 23:17:20,393 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:20,393 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:20,393 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,393 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,393 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:17:20,394 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:17:20,394 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:20,394 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,395 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 23:17:20,398 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:20,398 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:20,398 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,399 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,399 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:17:20,399 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:17:20,399 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:20,400 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,400 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 23:17:20,400 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 23:17:20,401 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:20,401 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,401 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,401 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:20,402 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:17:20,402 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:17:20,407 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,408 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 23:17:20,408 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:20,410 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:20,411 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,411 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:17:20,411 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:20,412 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:17:20,412 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:20,417 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,417 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 23:17:20,421 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:20,421 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,421 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,421 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:20,422 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:17:20,422 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:17:20,426 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,427 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 23:17:20,429 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:20,430 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:20,430 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,430 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,430 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:20,430 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:17:20,430 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:20,434 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,435 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 23:17:20,437 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:20,438 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:20,438 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,438 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,438 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:20,439 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:17:20,440 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:20,441 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,441 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 23:17:20,442 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 23:17:20,445 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:20,446 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,446 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,446 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:20,449 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:20,450 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:20,455 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,455 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 23:17:20,457 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:20,458 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:20,458 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,458 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:17:20,459 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:20,459 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 23:17:20,460 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:20,465 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,466 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 23:17:20,467 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:20,467 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,467 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,467 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:20,471 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:20,471 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:20,476 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,476 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 23:17:20,478 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:20,479 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:20,479 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,479 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,479 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:20,480 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:17:20,480 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:20,480 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,481 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 23:17:20,481 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:20,481 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:20,481 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,485 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,485 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:20,485 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:17:20,485 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:20,486 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,486 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 23:17:20,488 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 23:17:20,489 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:20,489 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,489 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,489 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:20,493 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:17:20,493 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:17:20,495 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,497 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 23:17:20,497 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:20,498 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:20,499 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,500 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:17:20,500 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:20,502 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-11-28 23:17:20,502 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:20,507 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,508 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 23:17:20,509 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:20,509 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,509 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,509 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:20,513 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:17:20,513 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:17:20,518 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,519 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 23:17:20,519 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:20,519 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:20,519 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,519 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,520 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:20,520 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:17:20,520 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:20,523 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,524 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 23:17:20,525 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:20,525 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:20,525 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,525 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,525 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:20,528 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:17:20,529 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:20,529 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,529 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 23:17:20,530 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 23:17:20,530 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:20,530 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:20,533 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,533 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,534 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:20,535 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:17:20,535 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:17:20,540 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,541 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 23:17:20,541 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:20,541 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:20,541 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:20,544 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,544 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:17:20,545 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:20,546 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:17:20,546 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:20,555 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,556 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 23:17:20,556 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:20,556 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:20,559 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,560 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,560 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:20,561 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:17:20,563 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:17:20,568 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,568 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 23:17:20,568 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:20,570 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:20,570 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:20,571 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,571 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,571 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:20,572 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:17:20,573 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:20,574 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,574 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 23:17:20,575 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:20,575 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:20,575 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:20,575 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,576 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,579 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:20,579 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:17:20,579 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:20,580 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,580 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 23:17:20,581 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 23:17:20,583 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:20,583 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:17:20,583 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,583 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,583 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:20,588 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:20,588 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:20,592 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,593 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 23:17:20,593 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:20,593 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:17:20,595 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:20,596 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,596 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:17:20,596 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:20,599 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 23:17:20,599 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:20,609 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,611 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 23:17:20,614 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:20,615 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:17:20,616 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,617 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,617 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:20,619 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:20,619 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:20,626 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,626 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 23:17:20,627 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:20,627 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:17:20,628 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:20,628 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,628 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,628 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:20,629 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:17:20,629 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:20,630 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,631 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 23:17:20,632 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:20,632 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:17:20,632 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:20,632 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,633 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,640 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:20,641 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:17:20,641 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:20,643 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,644 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 23:17:20,644 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 23:17:20,645 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:20,645 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:20,645 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,645 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,645 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:20,652 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:17:20,652 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:17:20,659 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,660 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 23:17:20,661 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:20,661 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:20,661 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:20,662 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,662 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:17:20,662 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:20,667 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-11-28 23:17:20,668 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:20,681 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,681 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 23:17:20,682 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:20,683 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:20,683 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,683 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,683 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:20,688 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:17:20,689 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:17:20,697 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,697 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 23:17:20,698 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:20,698 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:20,698 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:20,698 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,698 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,699 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:20,703 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:17:20,703 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:20,705 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,705 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 23:17:20,706 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:20,706 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:20,706 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:20,706 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,707 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,710 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:20,711 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:17:20,711 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:20,713 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,713 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 23:17:20,713 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 23:17:20,714 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:20,714 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:20,714 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,714 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,714 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:20,719 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:20,719 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:20,723 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,724 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 23:17:20,724 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:20,725 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:20,725 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:20,725 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,725 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:17:20,725 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:20,726 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 23:17:20,726 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:20,736 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,737 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 23:17:20,737 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:20,737 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:20,737 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,737 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,738 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:20,739 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:20,739 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:20,747 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,747 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 23:17:20,748 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:20,748 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:20,748 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:20,748 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,748 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,751 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:20,752 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:17:20,752 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:20,754 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,755 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 23:17:20,755 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:20,755 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:20,758 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:20,758 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,758 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,758 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:20,759 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:17:20,760 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:20,761 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,762 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 23:17:20,763 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 23:17:20,763 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:20,763 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:20,766 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,766 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,766 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:17:20,769 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 23:17:20,769 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 23:17:20,775 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,776 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 23:17:20,776 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:20,777 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:20,777 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:20,777 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,777 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:17:20,777 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:17:20,783 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:20,783 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:20,800 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,800 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 23:17:20,801 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:20,801 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:20,801 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,801 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,802 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:17:20,807 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 23:17:20,807 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 23:17:20,814 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,814 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 23:17:20,815 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:20,815 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:20,815 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:20,815 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,815 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,815 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:17:20,819 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:17:20,820 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:20,822 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,823 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 23:17:20,823 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:20,823 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:20,823 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:20,824 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:20,827 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:20,827 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:17:20,827 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:17:20,828 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:20,831 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:20,832 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-28 23:17:20,832 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; 10#L10-1true assume !!(0 != main_~i~0); 3#L10true assume !(-5 <= main_~i~0 && main_~i~0 <= 35);main_~i~0 := 0; 10#L10-1true [2018-11-28 23:17:20,832 INFO L796 eck$LassoCheckResult]: Loop: 10#L10-1true assume !!(0 != main_~i~0); 3#L10true assume !(-5 <= main_~i~0 && main_~i~0 <= 35);main_~i~0 := 0; 10#L10-1true [2018-11-28 23:17:20,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:17:20,833 INFO L82 PathProgramCache]: Analyzing trace with hash 31088, now seen corresponding path program 2 times [2018-11-28 23:17:20,833 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:17:20,833 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:17:20,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:20,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:17:20,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:20,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:17:20,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1297, now seen corresponding path program 2 times [2018-11-28 23:17:20,843 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:17:20,843 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:17:20,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:20,845 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:17:20,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:20,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:17:20,850 INFO L82 PathProgramCache]: Analyzing trace with hash 29875904, now seen corresponding path program 3 times [2018-11-28 23:17:20,850 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:17:20,850 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:17:20,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:20,851 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:17:20,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:17:20,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:17:20,932 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:17:20,933 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:17:21,140 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2018-11-28 23:17:21,152 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:17:21,152 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:17:21,152 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:17:21,152 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:17:21,153 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:17:21,153 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:17:21,153 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:17:21,153 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:17:21,153 INFO L131 ssoRankerPreferences]: Filename of dumped script: MirrorIntervSim_false-termination_true-no-overflow.c_Iteration1_Loop [2018-11-28 23:17:21,154 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:17:21,154 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:17:21,155 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 23:17:21,260 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 23:17:21,296 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 23:17:21,502 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-28 23:17:21,711 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:17:21,712 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 23:17:21,716 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:17:21,716 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 23:17:21,740 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:17:21,740 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:17:21,770 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:17:21,772 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:17:21,772 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:17:21,772 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:17:21,772 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:17:21,773 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:17:21,773 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:17:21,773 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:17:21,773 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:17:21,773 INFO L131 ssoRankerPreferences]: Filename of dumped script: MirrorIntervSim_false-termination_true-no-overflow.c_Iteration1_Loop [2018-11-28 23:17:21,773 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:17:21,773 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:17:21,775 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 23:17:21,790 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 23:17:21,799 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 23:17:21,918 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:17:21,918 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:17:21,918 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 23:17:21,919 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:21,919 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:21,919 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:21,919 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:17:21,919 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:17:21,924 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:17:21,924 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:21,927 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:21,927 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 23:17:21,928 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:21,928 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:21,928 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:21,928 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:17:21,929 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:17:21,929 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:17:21,934 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:21,935 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 23:17:21,936 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:21,936 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:21,936 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:21,936 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:17:21,937 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:17:21,937 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:17:21,942 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:21,942 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 23:17:21,942 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 23:17:21,943 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:21,945 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:21,945 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:21,945 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:17:21,946 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:21,946 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:17:21,946 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:21,951 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:21,951 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 23:17:21,952 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:21,952 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:21,952 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:21,952 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:21,953 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:17:21,953 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:17:21,960 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:21,960 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 23:17:21,961 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:21,961 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:21,961 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:21,961 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:21,965 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:17:21,965 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:17:21,967 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:21,968 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 23:17:21,968 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 23:17:21,968 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:21,969 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:21,969 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:21,969 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:17:21,969 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:21,973 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 23:17:21,973 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:21,977 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:21,978 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 23:17:21,978 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:21,979 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:21,979 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:21,979 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:21,983 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:21,984 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:21,988 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:21,989 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 23:17:21,989 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:21,989 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:21,989 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:21,992 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:21,994 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:21,994 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:21,997 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:21,998 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 23:17:21,998 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 23:17:21,999 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:21,999 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:21,999 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:21,999 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:17:21,999 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:22,000 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-11-28 23:17:22,000 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:22,009 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:22,009 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 23:17:22,010 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:22,010 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:22,010 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:22,010 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:22,015 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:17:22,015 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:17:22,021 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:22,022 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 23:17:22,022 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:22,023 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:22,023 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:22,023 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:22,028 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:17:22,029 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:17:22,031 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:22,032 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 23:17:22,032 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 23:17:22,032 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:22,033 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:22,033 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:22,033 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:22,033 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:17:22,033 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:22,038 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:17:22,039 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:22,046 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:22,047 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 23:17:22,047 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:22,047 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:22,048 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:22,048 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:22,048 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:22,052 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:17:22,053 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:17:22,058 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:22,058 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 23:17:22,059 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:22,059 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:22,059 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:22,059 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:22,059 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:22,060 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:17:22,064 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:17:22,068 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:22,069 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 23:17:22,069 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 23:17:22,070 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:22,070 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:17:22,070 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:22,070 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:22,070 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:17:22,071 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:22,077 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 23:17:22,078 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:22,087 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:22,089 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 23:17:22,089 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:22,089 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:17:22,090 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:22,090 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:22,090 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:22,095 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:22,095 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:22,102 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:22,103 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 23:17:22,103 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:22,103 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:17:22,104 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:22,107 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:22,107 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:22,108 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:22,109 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:22,114 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:22,114 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 23:17:22,115 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 23:17:22,115 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:22,116 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:22,116 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:22,116 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:22,116 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:17:22,116 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:22,119 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-11-28 23:17:22,119 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:22,132 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:22,132 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 23:17:22,133 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:22,133 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:22,133 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:22,133 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:22,134 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:22,136 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:17:22,136 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:17:22,143 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:22,144 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 23:17:22,144 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:22,144 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:22,145 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:22,145 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:22,145 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:22,147 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:17:22,147 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:17:22,154 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:22,154 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 23:17:22,154 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 23:17:22,155 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:22,155 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:22,155 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:22,155 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:22,155 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:17:22,156 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:22,156 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 23:17:22,157 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:22,162 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:22,162 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 23:17:22,163 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:22,163 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:22,163 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:22,163 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:22,164 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:22,165 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:22,165 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:22,169 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:22,170 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 23:17:22,170 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:22,170 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:22,170 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:22,171 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:22,171 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:22,172 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:22,172 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:22,178 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:22,178 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 23:17:22,179 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 23:17:22,179 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:22,179 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:22,180 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:22,180 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:22,180 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:17:22,180 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:17:22,182 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:22,182 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:22,286 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:22,286 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 23:17:22,287 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:22,287 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:22,287 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:22,287 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:22,287 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:17:22,289 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 23:17:22,289 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 23:17:22,295 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:22,296 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 23:17:22,296 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:22,296 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:22,296 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:22,296 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:22,297 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:17:22,298 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 23:17:22,298 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 23:17:22,303 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:22,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:17:22,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:17:22,326 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2018-11-28 23:17:22,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:17:22,460 INFO L93 Difference]: Finished difference Result 10 states and 13 transitions. [2018-11-28 23:17:22,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:17:22,465 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 13 transitions. [2018-11-28 23:17:22,466 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-28 23:17:22,473 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 5 states and 7 transitions. [2018-11-28 23:17:22,474 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2018-11-28 23:17:22,474 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2018-11-28 23:17:22,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 7 transitions. [2018-11-28 23:17:22,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:17:22,476 INFO L705 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2018-11-28 23:17:22,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 7 transitions. [2018-11-28 23:17:22,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-11-28 23:17:22,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-28 23:17:22,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2018-11-28 23:17:22,516 INFO L728 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2018-11-28 23:17:22,516 INFO L608 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2018-11-28 23:17:22,516 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:17:22,517 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 7 transitions. [2018-11-28 23:17:22,517 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-28 23:17:22,517 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:17:22,517 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:17:22,518 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:17:22,518 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 23:17:22,518 INFO L794 eck$LassoCheckResult]: Stem: 39#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; 40#L10-1 [2018-11-28 23:17:22,518 INFO L796 eck$LassoCheckResult]: Loop: 40#L10-1 assume !!(0 != main_~i~0); 37#L10 assume -5 <= main_~i~0 && main_~i~0 <= 35; 38#L11 assume main_~i~0 < 0;main_~i~0 := -5; 40#L10-1 [2018-11-28 23:17:22,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:17:22,518 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2018-11-28 23:17:22,523 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:17:22,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:17:22,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:22,524 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:17:22,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:22,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:17:22,530 INFO L82 PathProgramCache]: Analyzing trace with hash 39820, now seen corresponding path program 1 times [2018-11-28 23:17:22,530 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:17:22,533 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:17:22,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:22,535 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:17:22,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:22,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:17:22,540 INFO L82 PathProgramCache]: Analyzing trace with hash 963341, now seen corresponding path program 1 times [2018-11-28 23:17:22,540 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:17:22,541 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:17:22,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:22,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:17:22,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:22,779 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 10 [2018-11-28 23:17:22,883 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-11-28 23:17:22,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:17:22 BoogieIcfgContainer [2018-11-28 23:17:22,973 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:17:22,974 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:17:22,974 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:17:22,974 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:17:22,977 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:17:16" (3/4) ... [2018-11-28 23:17:22,982 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 23:17:23,031 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:17:23,031 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:17:23,032 INFO L168 Benchmark]: Toolchain (without parser) took 6810.20 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 241.2 MB). Free memory was 951.3 MB in the beginning and 1.2 GB in the end (delta: -243.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:17:23,034 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:17:23,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.34 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 939.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:17:23,036 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.93 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:17:23,037 INFO L168 Benchmark]: Boogie Preprocessor took 24.87 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:17:23,037 INFO L168 Benchmark]: RCFGBuilder took 390.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -188.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:17:23,040 INFO L168 Benchmark]: BuchiAutomizer took 6026.54 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 99.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -67.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:17:23,040 INFO L168 Benchmark]: Witness Printer took 57.31 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:17:23,046 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 257.34 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 939.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.93 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.87 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 390.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -188.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6026.54 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 99.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -67.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Witness Printer took 57.31 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 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 (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 12 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 8 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax175 hnf92 lsp53 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq128 hnf94 smp100 dnf141 smp100 tf108 neg100 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 9ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 9]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@461f3197=0, \result=0, i=-5} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 9]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = __VERIFIER_nondet_int() Loop: [L9] COND TRUE i != 0 [L10] COND TRUE -5 <= i && i <= 35 [L11] COND TRUE i < 0 [L12] i = -5 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...