./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-crafted-lit/Velroyen_false-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa 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-crafted-lit/Velroyen_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 ec006770ad5cd0a3c7db0bdcdc2e13af7e5cceb3 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-2e94e6a [2019-01-01 21:33:22,095 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 21:33:22,099 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 21:33:22,117 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 21:33:22,118 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 21:33:22,119 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 21:33:22,120 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 21:33:22,122 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 21:33:22,124 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 21:33:22,125 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 21:33:22,126 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 21:33:22,126 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 21:33:22,127 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 21:33:22,128 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 21:33:22,131 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 21:33:22,132 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 21:33:22,133 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 21:33:22,138 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 21:33:22,144 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 21:33:22,145 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 21:33:22,149 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 21:33:22,154 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 21:33:22,158 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 21:33:22,158 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 21:33:22,159 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 21:33:22,160 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 21:33:22,161 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 21:33:22,162 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 21:33:22,163 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 21:33:22,164 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 21:33:22,165 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 21:33:22,165 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 21:33:22,165 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 21:33:22,166 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 21:33:22,167 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 21:33:22,168 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 21:33:22,169 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-01-01 21:33:22,197 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 21:33:22,197 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 21:33:22,204 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 21:33:22,204 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 21:33:22,204 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 21:33:22,205 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 21:33:22,205 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 21:33:22,205 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 21:33:22,205 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 21:33:22,205 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 21:33:22,205 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 21:33:22,206 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 21:33:22,206 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 21:33:22,206 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 21:33:22,206 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 21:33:22,206 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 21:33:22,207 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 21:33:22,208 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 21:33:22,208 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 21:33:22,208 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 21:33:22,208 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 21:33:22,208 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 21:33:22,209 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 21:33:22,209 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 21:33:22,209 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 21:33:22,209 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 21:33:22,209 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 21:33:22,209 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 21:33:22,211 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 21:33:22,211 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 -> ec006770ad5cd0a3c7db0bdcdc2e13af7e5cceb3 [2019-01-01 21:33:22,281 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 21:33:22,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 21:33:22,304 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 21:33:22,306 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 21:33:22,307 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 21:33:22,308 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted-lit/Velroyen_false-termination_true-no-overflow.c [2019-01-01 21:33:22,383 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba36289d8/b7f3f85543df4ba39f2bd07ffd92c58a/FLAG0ddb003c0 [2019-01-01 21:33:22,890 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 21:33:22,891 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted-lit/Velroyen_false-termination_true-no-overflow.c [2019-01-01 21:33:22,897 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba36289d8/b7f3f85543df4ba39f2bd07ffd92c58a/FLAG0ddb003c0 [2019-01-01 21:33:23,250 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba36289d8/b7f3f85543df4ba39f2bd07ffd92c58a [2019-01-01 21:33:23,254 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 21:33:23,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 21:33:23,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 21:33:23,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 21:33:23,262 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 21:33:23,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:33:23" (1/1) ... [2019-01-01 21:33:23,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@778b065d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:33:23, skipping insertion in model container [2019-01-01 21:33:23,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:33:23" (1/1) ... [2019-01-01 21:33:23,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 21:33:23,306 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 21:33:23,573 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:33:23,584 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 21:33:23,607 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:33:23,629 INFO L195 MainTranslator]: Completed translation [2019-01-01 21:33:23,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:33:23 WrapperNode [2019-01-01 21:33:23,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 21:33:23,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 21:33:23,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 21:33:23,631 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 21:33:23,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:33:23" (1/1) ... [2019-01-01 21:33:23,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:33:23" (1/1) ... [2019-01-01 21:33:23,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 21:33:23,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 21:33:23,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 21:33:23,677 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 21:33:23,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:33:23" (1/1) ... [2019-01-01 21:33:23,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:33:23" (1/1) ... [2019-01-01 21:33:23,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:33:23" (1/1) ... [2019-01-01 21:33:23,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:33:23" (1/1) ... [2019-01-01 21:33:23,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:33:23" (1/1) ... [2019-01-01 21:33:23,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:33:23" (1/1) ... [2019-01-01 21:33:23,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:33:23" (1/1) ... [2019-01-01 21:33:23,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 21:33:23,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 21:33:23,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 21:33:23,708 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 21:33:23,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:33:23" (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 [2019-01-01 21:33:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 21:33:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 21:33:24,316 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 21:33:24,317 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-01 21:33:24,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:33:24 BoogieIcfgContainer [2019-01-01 21:33:24,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 21:33:24,318 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 21:33:24,319 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 21:33:24,325 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 21:33:24,326 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:33:24,327 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 09:33:23" (1/3) ... [2019-01-01 21:33:24,328 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cb12fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 09:33:24, skipping insertion in model container [2019-01-01 21:33:24,329 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:33:24,329 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:33:23" (2/3) ... [2019-01-01 21:33:24,329 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cb12fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 09:33:24, skipping insertion in model container [2019-01-01 21:33:24,330 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:33:24,330 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:33:24" (3/3) ... [2019-01-01 21:33:24,332 INFO L375 chiAutomizerObserver]: Analyzing ICFG Velroyen_false-termination_true-no-overflow.c [2019-01-01 21:33:24,484 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 21:33:24,485 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 21:33:24,485 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 21:33:24,485 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 21:33:24,485 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 21:33:24,486 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 21:33:24,486 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 21:33:24,486 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 21:33:24,486 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 21:33:24,510 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-01-01 21:33:24,536 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-01-01 21:33:24,536 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 21:33:24,537 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 21:33:24,546 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-01 21:33:24,547 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-01 21:33:24,547 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 21:33:24,547 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-01-01 21:33:24,548 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-01-01 21:33:24,549 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 21:33:24,549 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 21:33:24,549 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-01 21:33:24,549 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-01 21:33:24,559 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0; 11#L15-1true [2019-01-01 21:33:24,560 INFO L796 eck$LassoCheckResult]: Loop: 11#L15-1true assume !!(0 != main_~x~0); 3#L15true assume !(-5 <= main_~x~0 && main_~x~0 <= 35);main_~x~0 := 0; 11#L15-1true [2019-01-01 21:33:24,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:33:24,566 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-01-01 21:33:24,568 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:33:24,569 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:33:24,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:33:24,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:33:24,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:33:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:33:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:33:24,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:33:24,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1297, now seen corresponding path program 1 times [2019-01-01 21:33:24,669 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:33:24,669 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:33:24,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:33:24,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:33:24,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:33:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:33:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:33:24,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:33:24,683 INFO L82 PathProgramCache]: Analyzing trace with hash 31088, now seen corresponding path program 1 times [2019-01-01 21:33:24,683 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:33:24,683 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:33:24,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:33:24,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:33:24,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:33:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:33:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:33:24,825 WARN L181 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2019-01-01 21:33:24,902 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:33:24,904 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:33:24,906 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:33:24,906 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:33:24,906 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 21:33:24,906 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:33:24,906 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:33:24,906 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:33:24,907 INFO L131 ssoRankerPreferences]: Filename of dumped script: Velroyen_false-termination_true-no-overflow.c_Iteration1_Loop [2019-01-01 21:33:24,907 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:33:24,907 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:33:24,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:33:24,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:33:24,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:33:25,182 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:33:25,183 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 [2019-01-01 21:33:25,199 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:33:25,199 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:33:25,259 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:33:25,259 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) [2019-01-01 21:33:25,270 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:33:25,270 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 [2019-01-01 21:33:25,318 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:33:25,318 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) [2019-01-01 21:33:25,330 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:33:25,330 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 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 [2019-01-01 21:33:25,375 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 21:33:25,375 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:33:25,412 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 21:33:25,415 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:33:25,415 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:33:25,415 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:33:25,415 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:33:25,415 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 21:33:25,415 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:33:25,415 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:33:25,416 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:33:25,416 INFO L131 ssoRankerPreferences]: Filename of dumped script: Velroyen_false-termination_true-no-overflow.c_Iteration1_Loop [2019-01-01 21:33:25,416 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:33:25,416 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:33:25,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:33:25,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:33:25,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:33:25,564 WARN L181 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-01-01 21:33:25,838 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:33:25,845 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 21:33:25,847 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 [2019-01-01 21:33:25,850 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:25,851 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:25,851 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:25,851 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:33:25,858 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:33:25,858 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 21:33:25,872 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:25,873 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 [2019-01-01 21:33:25,874 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:25,875 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:25,875 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:25,876 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:33:25,879 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:33:25,879 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 21:33:25,890 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:25,891 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 [2019-01-01 21:33:25,892 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:25,892 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:25,893 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:25,893 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:33:25,893 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:33:25,896 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 21:33:25,896 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:25,908 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:25,908 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-01 21:33:25,909 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 [2019-01-01 21:33:25,910 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:25,910 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:25,910 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:25,911 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:33:25,916 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 21:33:25,916 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 21:33:25,922 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:25,923 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 [2019-01-01 21:33:25,925 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:25,925 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:25,925 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:25,926 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:33:25,929 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 21:33:25,929 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 21:33:25,941 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:25,942 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 [2019-01-01 21:33:25,943 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:25,943 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:25,944 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:25,945 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:33:25,945 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:33:25,947 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:33:25,947 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:25,961 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:25,961 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-01 21:33:25,962 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 [2019-01-01 21:33:25,964 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:25,964 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:25,964 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:25,964 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:25,969 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 21:33:25,970 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 21:33:25,979 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:25,980 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 [2019-01-01 21:33:25,981 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:25,981 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:25,981 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:25,981 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:25,990 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 21:33:25,990 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 21:33:26,012 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:26,013 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 [2019-01-01 21:33:26,015 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:26,015 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:26,016 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:26,016 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:33:26,016 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:26,019 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-01-01 21:33:26,019 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:26,045 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:26,049 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-01 21:33:26,049 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 [2019-01-01 21:33:26,050 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:26,054 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:26,054 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:26,054 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:33:26,063 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-01 21:33:26,065 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-01 21:33:26,084 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:26,085 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 [2019-01-01 21:33:26,091 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:26,092 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:26,092 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:26,092 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:33:26,098 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-01 21:33:26,099 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-01 21:33:26,119 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:26,125 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 [2019-01-01 21:33:26,128 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:26,131 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:26,131 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:26,131 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:33:26,136 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:33:26,138 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-01-01 21:33:26,138 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:26,169 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:26,169 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-01 21:33:26,170 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 [2019-01-01 21:33:26,171 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:26,171 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 21:33:26,171 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:26,172 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:26,173 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:33:26,176 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 21:33:26,181 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 21:33:26,201 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:26,202 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 [2019-01-01 21:33:26,205 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:26,206 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 21:33:26,207 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:26,207 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:26,207 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:33:26,212 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 21:33:26,218 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 21:33:26,231 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:26,233 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 [2019-01-01 21:33:26,235 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:26,235 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 21:33:26,235 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:26,236 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:26,236 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:33:26,236 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:33:26,243 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:33:26,244 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:26,277 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:26,277 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-01 21:33:26,278 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 [2019-01-01 21:33:26,283 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:26,283 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 21:33:26,284 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:26,284 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:26,284 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:26,290 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 21:33:26,292 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 21:33:26,305 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:26,308 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 [2019-01-01 21:33:26,309 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:26,309 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 21:33:26,310 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:26,310 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:26,310 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:26,317 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 21:33:26,321 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 21:33:26,342 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:26,342 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 [2019-01-01 21:33:26,346 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:26,347 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 21:33:26,347 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:26,347 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:26,347 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:33:26,347 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:26,354 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-01-01 21:33:26,354 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:26,391 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:26,395 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-01 21:33:26,395 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 [2019-01-01 21:33:26,396 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:26,397 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 21:33:26,397 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:26,397 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:26,397 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:33:26,403 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-01 21:33:26,404 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-01 21:33:26,424 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:26,425 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 [2019-01-01 21:33:26,426 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:26,426 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 21:33:26,427 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:26,427 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:26,427 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:33:26,430 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-01 21:33:26,430 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-01 21:33:26,442 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:26,443 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 [2019-01-01 21:33:26,444 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:26,444 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 21:33:26,444 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:26,444 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:26,445 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:33:26,445 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:33:26,448 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-01-01 21:33:26,448 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:26,470 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:26,470 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-01 21:33:26,471 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 [2019-01-01 21:33:26,472 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:26,472 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 21:33:26,472 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:26,472 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:26,472 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:26,474 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 21:33:26,474 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 21:33:26,479 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:26,480 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 [2019-01-01 21:33:26,481 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:26,481 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 21:33:26,481 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:26,481 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:26,481 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:26,483 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 21:33:26,483 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 21:33:26,490 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:26,490 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 [2019-01-01 21:33:26,491 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:26,491 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 21:33:26,491 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:26,493 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:26,493 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:33:26,493 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:26,495 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-01-01 21:33:26,496 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:26,513 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:26,514 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-01 21:33:26,515 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 [2019-01-01 21:33:26,518 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:26,519 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 21:33:26,520 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:26,521 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:26,521 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 21:33:26,524 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-01-01 21:33:26,525 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-01-01 21:33:26,535 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:26,538 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 [2019-01-01 21:33:26,541 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:26,541 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 21:33:26,541 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:26,541 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:26,542 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 21:33:26,545 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-01-01 21:33:26,545 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-01-01 21:33:26,554 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:26,555 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 [2019-01-01 21:33:26,556 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:26,556 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 21:33:26,556 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:26,556 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:26,556 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:33:26,557 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 21:33:26,561 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 21:33:26,561 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:26,587 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:26,643 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:33:26,644 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:33:26,644 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:33:26,644 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:33:26,644 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 21:33:26,644 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:33:26,644 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:33:26,645 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:33:26,645 INFO L131 ssoRankerPreferences]: Filename of dumped script: Velroyen_false-termination_true-no-overflow.c_Iteration1_Lasso [2019-01-01 21:33:26,645 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:33:26,645 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:33:26,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:33:26,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:33:26,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:33:26,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:33:26,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:33:26,954 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:33:26,954 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 [2019-01-01 21:33:26,960 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:33:26,960 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:33:26,986 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:33:26,986 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 [2019-01-01 21:33:26,992 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:33:26,993 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:33:26,999 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:33:26,999 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 [2019-01-01 21:33:27,022 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:33:27,023 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:33:27,046 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:33:27,046 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 [2019-01-01 21:33:27,052 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:33:27,052 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 [2019-01-01 21:33:27,119 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 21:33:27,120 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:33:27,154 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 21:33:27,157 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:33:27,157 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:33:27,157 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:33:27,157 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:33:27,157 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 21:33:27,157 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:33:27,158 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:33:27,158 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:33:27,158 INFO L131 ssoRankerPreferences]: Filename of dumped script: Velroyen_false-termination_true-no-overflow.c_Iteration1_Lasso [2019-01-01 21:33:27,158 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:33:27,158 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:33:27,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:33:27,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:33:27,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:33:27,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:33:27,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:33:27,427 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:33:27,427 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 21:33:27,428 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 [2019-01-01 21:33:27,429 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:27,429 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,430 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,430 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:33:27,431 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:33:27,431 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 21:33:27,433 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,434 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 [2019-01-01 21:33:27,435 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:27,435 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:27,435 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,436 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:33:27,436 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:33:27,436 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 21:33:27,436 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:27,440 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,442 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 [2019-01-01 21:33:27,443 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:27,443 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,443 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,444 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:33:27,445 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:33:27,445 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 21:33:27,447 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,450 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 [2019-01-01 21:33:27,451 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:27,451 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:27,451 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,451 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,452 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:33:27,452 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:33:27,452 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:27,453 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,453 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 [2019-01-01 21:33:27,461 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:27,461 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:27,462 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,462 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,462 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:33:27,462 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:33:27,466 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:27,467 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,467 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-01 21:33:27,467 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 [2019-01-01 21:33:27,468 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:27,468 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,468 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,469 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:33:27,470 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 21:33:27,470 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 21:33:27,473 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,473 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 [2019-01-01 21:33:27,479 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:27,480 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:27,480 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,480 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:33:27,480 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:33:27,481 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:33:27,481 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:27,485 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,486 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 [2019-01-01 21:33:27,486 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:27,486 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,486 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,488 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:33:27,489 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 21:33:27,490 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 21:33:27,493 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,493 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 [2019-01-01 21:33:27,494 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:27,494 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:27,494 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,494 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,495 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:33:27,495 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 21:33:27,495 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:27,496 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,500 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 [2019-01-01 21:33:27,500 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:27,507 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:27,507 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,508 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,508 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:33:27,508 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 21:33:27,508 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:27,509 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,509 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-01 21:33:27,510 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 [2019-01-01 21:33:27,510 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:27,510 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,511 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,511 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:27,515 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 21:33:27,515 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 21:33:27,521 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,521 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 [2019-01-01 21:33:27,522 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:27,522 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:27,523 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,523 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:33:27,523 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:27,528 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-01-01 21:33:27,528 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:27,532 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,532 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 [2019-01-01 21:33:27,537 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:27,537 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,537 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,537 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:27,539 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 21:33:27,541 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 21:33:27,545 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,546 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 [2019-01-01 21:33:27,547 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:27,547 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:27,547 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,547 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,547 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:27,548 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 21:33:27,548 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:27,548 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,550 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 [2019-01-01 21:33:27,551 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:27,551 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:27,551 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,551 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,551 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:27,552 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 21:33:27,553 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:27,553 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,553 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-01 21:33:27,554 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 [2019-01-01 21:33:27,554 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:27,555 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,555 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,555 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:33:27,557 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-01 21:33:27,559 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-01 21:33:27,562 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,563 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 [2019-01-01 21:33:27,563 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:27,563 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:27,564 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,564 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:33:27,564 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:33:27,566 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-01-01 21:33:27,566 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:27,570 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,571 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 [2019-01-01 21:33:27,574 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:27,574 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,574 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,574 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:33:27,576 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-01 21:33:27,577 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-01 21:33:27,581 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,582 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 [2019-01-01 21:33:27,582 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:27,583 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:27,583 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,583 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,583 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:33:27,584 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 21:33:27,584 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:27,584 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,585 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 21:33:27,585 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:27,586 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:27,586 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,586 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,586 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:33:27,587 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 21:33:27,588 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:27,589 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,589 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-01 21:33:27,590 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 [2019-01-01 21:33:27,590 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:27,590 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 21:33:27,591 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,591 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,591 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:33:27,593 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 21:33:27,593 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 21:33:27,597 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,598 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 [2019-01-01 21:33:27,598 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:27,598 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 21:33:27,599 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:27,599 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,599 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:33:27,599 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:33:27,601 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:33:27,601 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:27,609 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,610 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 [2019-01-01 21:33:27,611 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:27,611 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 21:33:27,611 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,611 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,611 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:33:27,612 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 21:33:27,612 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 21:33:27,619 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,621 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 [2019-01-01 21:33:27,622 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:27,622 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 21:33:27,622 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:27,622 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,623 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,623 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:33:27,623 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 21:33:27,623 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:27,624 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,629 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 [2019-01-01 21:33:27,632 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:27,632 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 21:33:27,632 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:27,632 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,632 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,633 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:33:27,634 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 21:33:27,634 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:27,636 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,636 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-01 21:33:27,637 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 [2019-01-01 21:33:27,638 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:27,638 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 21:33:27,639 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,639 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,639 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:27,643 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 21:33:27,644 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 21:33:27,650 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,651 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 [2019-01-01 21:33:27,651 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:27,654 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 21:33:27,654 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:27,654 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,655 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:33:27,655 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:27,659 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-01-01 21:33:27,659 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:27,671 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,673 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 [2019-01-01 21:33:27,674 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:27,676 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 21:33:27,676 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,676 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,677 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:27,678 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 21:33:27,678 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 21:33:27,688 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,690 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 [2019-01-01 21:33:27,690 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:27,691 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 21:33:27,691 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:27,691 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,691 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,691 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:27,696 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 21:33:27,696 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:27,698 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,699 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 [2019-01-01 21:33:27,700 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:27,700 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 21:33:27,700 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:27,700 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,701 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,701 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:27,702 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 21:33:27,705 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:27,708 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,708 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-01 21:33:27,708 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 [2019-01-01 21:33:27,709 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:27,709 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 21:33:27,713 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,713 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,713 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:33:27,716 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-01 21:33:27,717 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-01 21:33:27,727 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,727 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 [2019-01-01 21:33:27,728 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:27,728 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 21:33:27,728 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:27,729 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,729 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:33:27,729 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:33:27,735 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-01-01 21:33:27,736 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:27,751 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,752 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 [2019-01-01 21:33:27,753 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:27,753 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 21:33:27,754 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,754 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,754 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:33:27,760 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-01 21:33:27,760 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-01 21:33:27,771 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,771 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 [2019-01-01 21:33:27,772 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:27,772 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 21:33:27,772 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:27,776 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,776 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,776 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:33:27,777 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 21:33:27,779 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:27,781 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,782 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 [2019-01-01 21:33:27,785 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:27,786 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 21:33:27,786 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:27,786 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,786 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,787 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:33:27,790 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 21:33:27,790 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:27,791 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,791 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-01 21:33:27,792 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 [2019-01-01 21:33:27,792 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:27,793 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 21:33:27,796 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,796 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,796 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:27,799 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 21:33:27,799 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 21:33:27,804 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,805 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 [2019-01-01 21:33:27,805 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:27,806 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 21:33:27,806 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:27,806 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,806 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:33:27,806 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:27,811 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-01-01 21:33:27,811 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:27,818 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,819 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 [2019-01-01 21:33:27,820 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:27,820 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 21:33:27,820 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,820 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,820 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:27,825 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 21:33:27,826 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 21:33:27,831 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,831 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 [2019-01-01 21:33:27,832 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:27,832 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 21:33:27,832 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:27,835 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,835 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,836 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:27,836 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 21:33:27,836 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:27,840 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,841 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 [2019-01-01 21:33:27,842 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:27,842 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 21:33:27,842 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:27,842 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,842 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,842 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:27,846 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 21:33:27,846 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:27,848 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,848 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-01 21:33:27,850 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 [2019-01-01 21:33:27,853 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:27,853 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 21:33:27,854 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,854 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,854 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 21:33:27,857 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-01-01 21:33:27,858 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-01-01 21:33:27,865 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,866 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 [2019-01-01 21:33:27,867 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:27,867 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 21:33:27,867 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:27,867 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,867 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:33:27,867 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 21:33:27,873 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 21:33:27,873 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:27,889 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,890 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 [2019-01-01 21:33:27,890 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:27,890 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 21:33:27,891 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,891 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,891 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 21:33:27,897 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-01-01 21:33:27,897 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-01-01 21:33:27,904 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,906 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 [2019-01-01 21:33:27,907 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:27,907 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 21:33:27,907 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:27,907 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,907 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,907 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 21:33:27,912 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:33:27,912 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:27,914 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,916 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 [2019-01-01 21:33:27,917 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:27,917 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 21:33:27,917 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:27,917 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:27,917 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:27,920 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 21:33:27,921 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:33:27,921 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:27,925 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:27,926 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-01-01 21:33:27,926 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0; 11#L15-1true assume !!(0 != main_~x~0); 3#L15true assume !(-5 <= main_~x~0 && main_~x~0 <= 35);main_~x~0 := 0; 11#L15-1true [2019-01-01 21:33:27,927 INFO L796 eck$LassoCheckResult]: Loop: 11#L15-1true assume !!(0 != main_~x~0); 3#L15true assume !(-5 <= main_~x~0 && main_~x~0 <= 35);main_~x~0 := 0; 11#L15-1true [2019-01-01 21:33:27,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:33:27,927 INFO L82 PathProgramCache]: Analyzing trace with hash 31088, now seen corresponding path program 2 times [2019-01-01 21:33:27,927 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:33:27,927 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:33:27,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:33:27,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:33:27,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:33:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:33:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:33:27,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:33:27,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1297, now seen corresponding path program 2 times [2019-01-01 21:33:27,943 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:33:27,944 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:33:27,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:33:27,948 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 21:33:27,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:33:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:33:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:33:27,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:33:27,955 INFO L82 PathProgramCache]: Analyzing trace with hash 29875904, now seen corresponding path program 3 times [2019-01-01 21:33:27,955 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:33:27,955 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:33:27,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:33:27,959 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 21:33:27,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:33:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:33:28,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 21:33:28,052 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 21:33:28,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 21:33:28,330 WARN L181 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2019-01-01 21:33:28,452 WARN L181 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-01-01 21:33:28,466 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:33:28,467 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:33:28,467 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:33:28,467 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:33:28,467 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 21:33:28,467 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:33:28,470 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:33:28,470 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:33:28,470 INFO L131 ssoRankerPreferences]: Filename of dumped script: Velroyen_false-termination_true-no-overflow.c_Iteration1_Loop [2019-01-01 21:33:28,471 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:33:28,471 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:33:28,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:33:28,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:33:28,648 WARN L181 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-01-01 21:33:28,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:33:28,910 WARN L181 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-01-01 21:33:29,088 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:33:29,089 INFO L412 LassoAnalysis]: Checking for nontermination... 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 [2019-01-01 21:33:29,094 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:33:29,094 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:33:29,118 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:33:29,118 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 [2019-01-01 21:33:29,125 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:33:29,125 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 [2019-01-01 21:33:29,155 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 21:33:29,155 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:33:29,220 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 21:33:29,227 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:33:29,227 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:33:29,228 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:33:29,228 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:33:29,228 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 21:33:29,228 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:33:29,228 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:33:29,228 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:33:29,228 INFO L131 ssoRankerPreferences]: Filename of dumped script: Velroyen_false-termination_true-no-overflow.c_Iteration1_Loop [2019-01-01 21:33:29,228 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:33:29,228 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:33:29,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:33:29,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:33:29,418 WARN L181 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-01-01 21:33:29,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:33:29,715 WARN L181 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-01-01 21:33:29,847 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:33:29,847 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 21:33:29,847 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 [2019-01-01 21:33:29,848 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:29,848 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:29,848 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:29,848 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:33:29,849 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:33:29,849 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 21:33:29,852 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:29,853 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 [2019-01-01 21:33:29,853 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:29,853 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:29,854 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:29,854 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:33:29,854 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:33:29,854 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 21:33:29,854 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:29,856 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:29,857 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 [2019-01-01 21:33:29,857 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:29,858 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:29,858 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:29,858 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:33:29,859 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:33:29,859 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 21:33:29,860 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:29,860 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-01 21:33:29,861 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 [2019-01-01 21:33:29,861 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:29,861 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:29,861 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:29,862 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:33:29,863 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 21:33:29,863 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 21:33:29,865 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:29,866 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 [2019-01-01 21:33:29,866 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:29,867 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:29,867 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:29,867 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:33:29,867 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:33:29,868 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:33:29,868 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:29,870 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:29,871 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 [2019-01-01 21:33:29,872 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:29,872 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:29,872 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:29,872 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:33:29,873 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 21:33:29,873 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 21:33:29,874 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:29,875 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-01 21:33:29,875 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 [2019-01-01 21:33:29,875 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:29,876 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:29,876 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:29,876 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:29,877 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 21:33:29,877 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 21:33:29,881 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:29,881 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 [2019-01-01 21:33:29,882 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:29,882 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:29,882 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:29,883 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:33:29,883 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:29,884 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-01-01 21:33:29,884 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:29,887 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:29,888 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 [2019-01-01 21:33:29,888 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:29,888 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:29,888 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:29,889 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:29,890 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 21:33:29,890 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 21:33:29,892 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:29,892 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-01 21:33:29,893 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 [2019-01-01 21:33:29,893 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:29,893 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:29,894 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:29,894 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:33:29,895 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-01 21:33:29,895 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-01 21:33:29,899 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:29,900 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 [2019-01-01 21:33:29,900 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:29,901 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:29,901 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:29,901 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:33:29,901 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:33:29,902 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-01-01 21:33:29,902 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:29,906 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:29,907 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 [2019-01-01 21:33:29,907 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:33:29,907 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:29,908 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:29,908 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:33:29,909 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-01 21:33:29,909 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-01 21:33:29,912 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:29,912 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-01 21:33:29,912 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 [2019-01-01 21:33:29,913 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:29,913 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 21:33:29,913 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:29,913 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:29,913 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:33:29,915 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 21:33:29,915 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 21:33:29,918 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:29,919 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 [2019-01-01 21:33:29,919 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:29,919 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 21:33:29,919 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:29,920 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:29,920 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:33:29,920 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:33:29,921 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:33:29,921 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:29,926 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:29,927 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 [2019-01-01 21:33:29,927 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:29,928 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 21:33:29,928 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:29,928 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:29,928 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:33:29,929 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 21:33:29,929 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 21:33:29,932 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:29,933 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-01 21:33:29,933 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 [2019-01-01 21:33:29,934 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:29,934 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 21:33:29,934 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:29,934 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:29,935 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:29,936 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 21:33:29,937 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 21:33:29,942 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:29,943 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 [2019-01-01 21:33:29,943 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:29,943 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 21:33:29,944 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:29,944 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:29,944 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:33:29,944 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:29,946 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-01-01 21:33:29,946 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:29,955 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:29,955 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 [2019-01-01 21:33:29,956 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:29,956 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 21:33:29,956 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:29,956 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:29,957 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:29,958 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 21:33:29,958 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 21:33:29,962 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:29,962 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-01 21:33:29,963 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 [2019-01-01 21:33:29,963 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:29,963 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 21:33:29,964 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:29,964 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:29,964 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:33:29,967 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-01 21:33:29,967 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-01 21:33:29,974 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:29,978 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 [2019-01-01 21:33:29,979 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:29,979 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 21:33:29,979 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:29,980 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:29,980 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:33:29,980 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:33:29,986 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-01-01 21:33:29,989 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:30,014 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:30,014 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 [2019-01-01 21:33:30,015 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:30,015 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 21:33:30,016 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:30,019 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:30,019 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:33:30,021 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-01 21:33:30,021 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-01 21:33:30,037 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:30,038 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-01 21:33:30,038 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 [2019-01-01 21:33:30,039 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:30,039 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 21:33:30,039 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:30,039 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:30,039 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:30,042 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 21:33:30,043 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 21:33:30,049 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:30,051 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 [2019-01-01 21:33:30,052 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:30,052 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 21:33:30,052 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:30,052 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:30,052 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:33:30,052 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:30,053 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-01-01 21:33:30,054 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:30,068 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:30,076 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 [2019-01-01 21:33:30,077 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:30,077 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 21:33:30,080 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:30,080 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:30,080 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:33:30,082 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 21:33:30,083 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 21:33:30,087 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:30,087 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-01 21:33:30,088 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 [2019-01-01 21:33:30,088 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:30,089 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 21:33:30,089 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:30,089 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:30,089 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 21:33:30,096 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-01-01 21:33:30,096 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-01-01 21:33:30,103 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:30,103 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 [2019-01-01 21:33:30,104 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:30,104 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 21:33:30,104 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:33:30,105 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:30,105 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:33:30,105 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 21:33:30,107 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 21:33:30,107 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:33:30,118 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:30,118 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 [2019-01-01 21:33:30,119 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:33:30,119 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 21:33:30,119 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:33:30,120 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:33:30,120 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 21:33:30,121 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-01-01 21:33:30,122 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-01-01 21:33:30,127 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:33:30,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 21:33:30,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 21:33:30,260 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2019-01-01 21:33:30,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 21:33:30,413 INFO L93 Difference]: Finished difference Result 10 states and 13 transitions. [2019-01-01 21:33:30,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 21:33:30,418 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 13 transitions. [2019-01-01 21:33:30,421 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-01-01 21:33:30,427 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 5 states and 7 transitions. [2019-01-01 21:33:30,429 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2019-01-01 21:33:30,430 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2019-01-01 21:33:30,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 7 transitions. [2019-01-01 21:33:30,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 21:33:30,431 INFO L705 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2019-01-01 21:33:30,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 7 transitions. [2019-01-01 21:33:30,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2019-01-01 21:33:30,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-01-01 21:33:30,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2019-01-01 21:33:30,460 INFO L728 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2019-01-01 21:33:30,460 INFO L608 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2019-01-01 21:33:30,460 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 21:33:30,460 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 7 transitions. [2019-01-01 21:33:30,461 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-01-01 21:33:30,461 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 21:33:30,461 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 21:33:30,461 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-01 21:33:30,462 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-01 21:33:30,462 INFO L794 eck$LassoCheckResult]: Stem: 41#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~x~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0; 39#L15-1 [2019-01-01 21:33:30,462 INFO L796 eck$LassoCheckResult]: Loop: 39#L15-1 assume !!(0 != main_~x~0); 37#L15 assume -5 <= main_~x~0 && main_~x~0 <= 35; 38#L16 assume main_~x~0 < 0;main_~x~0 := -5; 39#L15-1 [2019-01-01 21:33:30,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:33:30,462 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2019-01-01 21:33:30,463 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:33:30,463 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:33:30,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:33:30,464 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 21:33:30,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:33:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:33:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:33:30,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:33:30,467 INFO L82 PathProgramCache]: Analyzing trace with hash 39820, now seen corresponding path program 1 times [2019-01-01 21:33:30,467 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:33:30,467 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:33:30,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:33:30,469 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 21:33:30,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:33:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:33:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:33:30,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:33:30,473 INFO L82 PathProgramCache]: Analyzing trace with hash 963341, now seen corresponding path program 1 times [2019-01-01 21:33:30,473 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:33:30,473 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:33:30,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:33:30,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:33:30,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:33:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:33:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:33:30,640 WARN L181 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 10 [2019-01-01 21:33:30,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 09:33:30 BoogieIcfgContainer [2019-01-01 21:33:30,832 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 21:33:30,832 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 21:33:30,832 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 21:33:30,832 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 21:33:30,833 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:33:24" (3/4) ... [2019-01-01 21:33:30,837 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-01 21:33:30,885 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 21:33:30,885 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 21:33:30,886 INFO L168 Benchmark]: Toolchain (without parser) took 7631.65 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 249.6 MB). Free memory was 948.7 MB in the beginning and 1.2 GB in the end (delta: -259.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:33:30,888 INFO L168 Benchmark]: CDTParser took 0.17 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. [2019-01-01 21:33:30,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.27 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-01 21:33:30,889 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.79 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:33:30,889 INFO L168 Benchmark]: Boogie Preprocessor took 31.38 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:33:30,890 INFO L168 Benchmark]: RCFGBuilder took 609.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-01-01 21:33:30,891 INFO L168 Benchmark]: BuchiAutomizer took 6513.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 114.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -98.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2019-01-01 21:33:30,891 INFO L168 Benchmark]: Witness Printer took 53.24 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. [2019-01-01 21:33:30,896 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 373.27 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.79 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.38 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 609.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6513.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 114.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -98.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Witness Printer took 53.24 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 6.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. 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: 14ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 14]: 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@f6ba7b5=0, \result=0, x=-5} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 14]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L13] int x = __VERIFIER_nondet_int(); Loop: [L14] COND TRUE x!=0 [L15] COND TRUE -5 <= x && x <= 35 [L16] COND TRUE x < 0 [L17] x = -5 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...