./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/loop-acceleration/simple_true-unreach-call2_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/loop-acceleration/simple_true-unreach-call2_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash c77f087773c0ebeb64944776e94bc46443438d1a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 23:04:44,301 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:04:44,303 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:04:44,316 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:04:44,317 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:04:44,318 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:04:44,319 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:04:44,322 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:04:44,324 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:04:44,325 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:04:44,326 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:04:44,327 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:04:44,328 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:04:44,329 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:04:44,330 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:04:44,331 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:04:44,332 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:04:44,334 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:04:44,337 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:04:44,339 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:04:44,340 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:04:44,342 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:04:44,346 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:04:44,346 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:04:44,347 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:04:44,349 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:04:44,350 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:04:44,352 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:04:44,352 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:04:44,354 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:04:44,354 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:04:44,355 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:04:44,355 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:04:44,356 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:04:44,357 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:04:44,358 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:04:44,359 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:04:44,377 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:04:44,378 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:04:44,381 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:04:44,382 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:04:44,382 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:04:44,382 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:04:44,382 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:04:44,382 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:04:44,383 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:04:44,385 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:04:44,385 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:04:44,385 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:04:44,385 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:04:44,386 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:04:44,386 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:04:44,386 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:04:44,386 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:04:44,386 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:04:44,387 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:04:44,387 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:04:44,387 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:04:44,387 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:04:44,387 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:04:44,387 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:04:44,391 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:04:44,391 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:04:44,391 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:04:44,392 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:04:44,392 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:04:44,392 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:04:44,392 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:04:44,395 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:04:44,395 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c77f087773c0ebeb64944776e94bc46443438d1a [2019-01-01 23:04:44,448 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:04:44,466 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:04:44,474 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:04:44,478 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:04:44,478 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:04:44,479 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-acceleration/simple_true-unreach-call2_true-termination.i [2019-01-01 23:04:44,554 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e09d5f82d/3e504d9e52e04a0eb013028aa623cc07/FLAGdc4aeaa0b [2019-01-01 23:04:45,006 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:04:45,007 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-acceleration/simple_true-unreach-call2_true-termination.i [2019-01-01 23:04:45,014 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e09d5f82d/3e504d9e52e04a0eb013028aa623cc07/FLAGdc4aeaa0b [2019-01-01 23:04:45,375 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e09d5f82d/3e504d9e52e04a0eb013028aa623cc07 [2019-01-01 23:04:45,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:04:45,381 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:04:45,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:04:45,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:04:45,388 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:04:45,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:04:45" (1/1) ... [2019-01-01 23:04:45,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@100847a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:04:45, skipping insertion in model container [2019-01-01 23:04:45,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:04:45" (1/1) ... [2019-01-01 23:04:45,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:04:45,420 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:04:45,581 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:04:45,587 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:04:45,604 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:04:45,621 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:04:45,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:04:45 WrapperNode [2019-01-01 23:04:45,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:04:45,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:04:45,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:04:45,623 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:04:45,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:04:45" (1/1) ... [2019-01-01 23:04:45,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:04:45" (1/1) ... [2019-01-01 23:04:45,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:04:45,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:04:45,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:04:45,665 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:04:45,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:04:45" (1/1) ... [2019-01-01 23:04:45,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:04:45" (1/1) ... [2019-01-01 23:04:45,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:04:45" (1/1) ... [2019-01-01 23:04:45,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:04:45" (1/1) ... [2019-01-01 23:04:45,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:04:45" (1/1) ... [2019-01-01 23:04:45,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:04:45" (1/1) ... [2019-01-01 23:04:45,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:04:45" (1/1) ... [2019-01-01 23:04:45,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:04:45,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:04:45,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:04:45,692 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:04:45,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:04:45" (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 23:04:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:04:45,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:04:46,044 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:04:46,044 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-01 23:04:46,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:04:46 BoogieIcfgContainer [2019-01-01 23:04:46,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:04:46,045 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:04:46,046 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:04:46,049 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:04:46,050 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:04:46,050 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:04:45" (1/3) ... [2019-01-01 23:04:46,051 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f41e9ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:04:46, skipping insertion in model container [2019-01-01 23:04:46,052 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:04:46,052 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:04:45" (2/3) ... [2019-01-01 23:04:46,052 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f41e9ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:04:46, skipping insertion in model container [2019-01-01 23:04:46,052 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:04:46,052 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:04:46" (3/3) ... [2019-01-01 23:04:46,054 INFO L375 chiAutomizerObserver]: Analyzing ICFG simple_true-unreach-call2_true-termination.i [2019-01-01 23:04:46,121 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:04:46,122 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:04:46,122 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:04:46,122 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:04:46,122 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:04:46,122 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:04:46,122 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:04:46,122 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:04:46,122 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:04:46,138 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-01-01 23:04:46,162 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-01 23:04:46,162 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:04:46,162 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:04:46,171 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-01 23:04:46,171 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-01 23:04:46,171 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:04:46,171 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-01-01 23:04:46,172 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-01 23:04:46,173 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:04:46,173 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:04:46,173 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-01 23:04:46,173 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-01 23:04:46,183 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0;havoc main_~x~0; 7#L10-2true [2019-01-01 23:04:46,183 INFO L796 eck$LassoCheckResult]: Loop: 7#L10-2true assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0; 7#L10-2true [2019-01-01 23:04:46,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:04:46,195 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-01-01 23:04:46,197 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:04:46,198 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:04:46,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:04:46,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:04:46,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:04:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:04:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:04:46,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:04:46,284 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-01-01 23:04:46,284 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:04:46,284 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:04:46,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:04:46,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:04:46,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:04:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:04:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:04:46,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:04:46,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-01-01 23:04:46,319 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:04:46,319 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:04:46,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:04:46,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:04:46,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:04:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:04:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:04:46,526 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:04:46,527 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:04:46,527 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:04:46,529 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:04:46,529 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:04:46,529 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:04:46,529 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:04:46,530 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:04:46,531 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Loop [2019-01-01 23:04:46,531 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:04:46,531 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:04:46,560 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 23:04:46,636 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 23:04:46,801 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:04:46,802 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 23:04:46,815 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:04:46,815 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 23:04:46,864 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:04:46,865 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 23:04:47,981 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 23:04:47,986 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:04:47,986 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:04:47,986 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:04:47,986 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:04:47,986 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:04:47,987 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:04:47,987 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:04:47,987 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:04:47,987 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Loop [2019-01-01 23:04:47,987 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:04:47,987 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:04:47,989 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 23:04:48,051 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 23:04:48,241 WARN L181 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 18 [2019-01-01 23:04:48,385 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:04:48,390 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:04:48,392 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:04:48,394 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:04:48,395 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:04:48,396 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:04:48,396 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:04:48,397 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:04:48,400 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:04:48,401 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:04:48,417 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:04:48,419 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:04:48,420 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:04:48,420 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:04:48,420 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:04:48,421 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:04:48,421 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:04:48,422 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:04:48,422 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:04:48,424 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:04:48,424 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-01 23:04:48,424 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:04:48,425 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:04:48,425 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:04:48,426 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:04:48,426 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:04:48,426 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:04:48,428 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:04:48,428 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:04:48,443 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:04:48,444 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:04:48,445 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:04:48,445 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:04:48,445 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:04:48,445 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:04:48,445 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:04:48,446 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:04:48,447 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:04:48,449 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:04:48,449 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-01 23:04:48,450 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 23:04:48,451 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:04:48,451 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:04:48,451 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:04:48,451 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:04:48,452 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:04:48,454 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:04:48,454 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:04:48,472 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:04:48,472 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:04:48,473 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:04:48,473 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:04:48,474 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:04:48,474 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:04:48,474 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:04:48,475 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:04:48,475 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:04:48,476 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:04:48,477 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-01 23:04:48,477 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:04:48,478 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:04:48,478 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:04:48,478 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:04:48,478 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:04:48,478 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:04:48,481 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:04:48,481 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:04:48,505 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:04:48,505 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:04:48,506 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:04:48,506 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:04:48,507 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:04:48,507 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:04:48,507 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:04:48,509 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:04:48,509 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:04:48,511 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:04:48,511 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-01 23:04:48,511 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:04:48,512 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:04:48,513 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:04:48,513 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:04:48,513 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:04:48,513 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:04:48,513 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:04:48,517 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:04:48,517 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:04:48,572 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:04:48,573 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:04:48,574 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:04:48,574 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:04:48,574 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:04:48,575 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:04:48,575 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:04:48,575 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:04:48,577 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:04:48,577 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:04:48,580 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:04:48,580 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-01 23:04:48,581 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:04:48,582 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:04:48,582 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:04:48,582 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:04:48,582 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:04:48,583 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:04:48,583 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:04:48,587 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:04:48,588 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:04:48,694 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:04:48,698 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:04:48,701 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:04:48,701 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:04:48,701 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:04:48,702 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:04:48,702 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:04:48,702 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:04:48,708 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:04:48,708 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:04:48,714 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:04:48,715 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-01 23:04:48,715 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:04:48,716 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:04:48,716 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:04:48,717 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:04:48,717 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:04:48,717 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:04:48,717 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:04:48,729 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:04:48,733 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:04:48,791 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:04:48,792 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 23:04:48,793 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:04:48,793 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:04:48,794 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:04:48,794 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:04:48,794 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:04:48,794 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:04:48,798 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:04:48,798 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:04:48,800 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:04:48,800 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-01 23:04:48,801 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:04:48,801 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:04:48,802 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:04:48,802 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:04:48,802 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:04:48,802 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:04:48,802 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:04:48,804 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:04:48,805 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:04:48,819 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:04:48,820 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:04:48,820 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:04:48,821 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:04:48,821 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:04:48,821 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:04:48,821 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:04:48,821 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:04:48,822 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:04:48,823 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:04:48,826 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:04:48,827 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-01 23:04:48,827 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:04:48,828 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:04:48,828 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:04:48,828 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:04:48,829 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:04:48,832 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:04:48,832 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:04:48,836 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:04:48,836 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:04:48,883 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:04:48,887 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:04:48,888 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:04:48,888 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:04:48,888 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:04:48,888 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:04:48,888 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:04:48,889 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:04:48,893 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:04:48,894 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:04:48,899 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:04:48,920 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:04:48,920 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:04:48,920 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:04:48,920 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:04:48,920 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:04:48,921 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:04:48,921 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:04:48,921 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:04:48,921 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Lasso [2019-01-01 23:04:48,921 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:04:48,921 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:04:48,923 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 23:04:48,939 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 23:04:48,960 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 23:04:49,058 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:04:49,059 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:04:49,063 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:04:49,063 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:04:49,070 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:04:49,070 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /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 23:04:49,092 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:04:49,092 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 23:04:49,121 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:04:49,121 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:05:01,204 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-01 23:05:01,209 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:05:01,210 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:05:01,210 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:05:01,210 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:05:01,210 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:05:01,210 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:05:01,210 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:05:01,211 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:05:01,211 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Lasso [2019-01-01 23:05:01,211 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:05:01,211 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:05:01,213 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 23:05:01,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:05:01,232 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 23:05:01,323 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:05:01,323 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:05:01,323 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:01,324 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:01,324 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:01,326 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:01,327 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:01,327 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:05:01,327 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:05:01,328 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:01,332 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:01,332 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:01,333 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:01,333 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:01,333 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:01,333 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:01,335 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:05:01,336 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:05:01,336 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:01,337 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:01,338 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:01,338 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:01,340 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:01,340 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:01,340 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:01,340 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:05:01,341 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:05:01,341 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:01,343 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:01,343 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-01 23:05:01,344 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:01,344 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:01,344 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:01,346 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:01,346 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:01,346 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:01,347 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:05:01,347 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:01,351 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:01,352 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:01,352 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:01,354 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:01,354 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:01,354 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:01,355 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:01,356 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:05:01,356 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:01,356 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:01,357 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:01,357 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:01,357 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:01,360 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:01,360 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:01,360 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:01,360 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:05:01,361 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:01,361 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:01,362 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-01 23:05:01,362 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:01,362 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:01,365 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:01,365 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:01,365 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:01,365 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:01,367 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:01,367 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:01,372 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:01,372 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:01,373 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:01,373 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:01,373 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:01,374 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:01,374 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:01,374 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:01,374 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:01,377 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:01,378 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:01,380 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:01,380 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:01,380 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:01,381 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:01,381 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:01,382 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:01,382 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:01,384 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:01,384 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-01 23:05:01,384 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:01,385 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:01,385 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:01,385 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:01,388 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:01,388 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:01,389 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:05:01,390 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:01,395 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:01,396 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:01,396 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:01,396 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:01,397 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:01,397 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:01,397 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:01,397 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:05:01,398 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:01,400 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:01,401 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:01,402 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:01,402 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:01,402 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:01,402 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:01,402 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:01,405 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:05:01,405 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:01,407 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:01,407 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-01 23:05:01,407 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:01,409 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:01,409 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:01,409 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:01,410 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:01,410 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:01,410 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:01,412 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:05:01,412 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:01,428 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:01,430 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:01,433 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:01,434 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:01,434 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:01,434 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:01,434 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:01,434 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:01,435 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:05:01,435 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:01,438 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:01,440 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:01,442 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:01,442 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:01,442 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:01,442 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:01,443 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:01,443 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:01,443 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:05:01,445 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:01,446 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:01,447 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-01 23:05:01,447 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:01,450 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:01,450 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:05:01,450 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:01,452 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:01,452 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:01,452 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:01,457 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:01,457 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:01,497 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:01,501 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:01,504 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:01,504 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:05:01,505 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:01,505 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:01,505 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:01,505 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:01,511 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:01,512 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:01,514 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:01,516 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:01,517 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:01,517 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:05:01,517 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:01,517 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:01,518 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:01,518 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:01,526 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:01,526 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:01,528 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:01,528 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-01 23:05:01,529 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:01,532 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:01,533 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:01,533 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:01,533 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:01,533 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:01,534 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:01,542 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:05:01,543 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:01,592 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:01,601 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:01,602 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:01,602 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:01,602 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:01,603 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:01,603 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:01,603 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:01,608 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:05:01,610 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:01,611 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:01,612 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:01,612 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:01,615 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:01,615 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:01,615 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:01,615 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:01,615 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:01,621 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:05:01,621 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:01,622 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:01,623 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-01 23:05:01,623 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:01,624 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:01,624 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:01,624 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:01,624 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:01,624 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:01,624 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:01,630 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:01,630 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:01,638 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:01,640 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:01,642 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:01,642 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:01,642 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:01,643 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:01,643 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:01,643 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:01,643 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:01,647 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:01,648 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:01,652 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:01,652 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:01,653 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:01,653 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:01,653 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:01,653 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:01,653 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:01,654 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:01,654 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:01,656 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:01,656 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-01 23:05:01,656 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:01,661 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:01,661 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:01,662 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:01,662 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:01,662 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:01,662 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:05:01,665 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:05:01,671 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:01,691 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:01,692 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:01,696 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:01,696 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:01,696 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:01,696 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:01,696 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:01,697 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:05:01,697 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:05:01,697 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:01,701 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:01,702 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:01,704 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:01,704 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:01,704 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:01,705 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:01,706 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:01,706 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:05:01,707 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:05:01,707 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:01,711 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:01,712 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-01-01 23:05:01,713 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0;havoc main_~x~0; 7#L10-2true assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0; 7#L10-2true [2019-01-01 23:05:01,713 INFO L796 eck$LassoCheckResult]: Loop: 7#L10-2true assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0; 7#L10-2true [2019-01-01 23:05:01,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:05:01,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2019-01-01 23:05:01,715 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:05:01,715 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:05:01,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:05:01,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:05:01,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:05:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:05:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:05:01,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:05:01,727 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2019-01-01 23:05:01,727 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:05:01,727 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:05:01,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:05:01,728 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:05:01,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:05:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:05:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:05:01,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:05:01,733 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2019-01-01 23:05:01,733 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:05:01,733 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:05:01,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:05:01,735 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:05:01,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:05:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:05:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:05:01,902 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:05:01,902 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:05:01,903 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:05:01,903 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:05:01,903 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:05:01,903 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:05:01,903 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:05:01,903 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:05:01,904 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Loop [2019-01-01 23:05:01,904 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:05:01,904 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:05:01,905 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 23:05:02,004 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 23:05:02,349 WARN L181 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 18 [2019-01-01 23:05:02,505 WARN L181 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-01-01 23:05:02,531 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:05:02,532 INFO L412 LassoAnalysis]: Checking for nontermination... 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) [2019-01-01 23:05:02,541 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:05:02,541 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-01-01 23:05:02,594 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:05:02,594 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:05:16,286 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-01 23:05:16,292 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:05:16,292 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:05:16,293 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:05:16,293 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:05:16,293 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:05:16,293 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:05:16,293 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:05:16,293 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:05:16,293 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Loop [2019-01-01 23:05:16,295 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:05:16,295 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:05:16,301 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 23:05:16,351 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 23:05:16,423 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:05:16,423 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:05:16,424 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:16,424 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:16,425 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:16,425 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:16,425 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:16,425 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:05:16,426 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:05:16,426 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:16,428 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:16,429 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:16,429 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:16,430 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:16,430 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:16,430 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:16,430 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:05:16,430 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:05:16,430 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:16,431 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:16,431 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-01 23:05:16,432 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:16,432 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:16,432 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:16,432 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:16,433 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:16,433 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:16,433 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:05:16,433 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:16,435 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:16,436 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:16,436 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:16,437 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:16,437 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:16,437 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:16,437 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:16,437 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:05:16,437 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:16,438 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:16,438 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-01 23:05:16,439 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:16,439 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:16,439 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:16,439 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:16,439 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:16,440 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:16,440 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:16,440 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:16,443 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:16,444 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:16,444 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:16,445 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:16,445 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:16,445 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:16,445 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:16,446 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:16,446 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:16,446 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:16,447 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-01 23:05:16,447 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:16,447 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:16,447 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:16,448 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:16,448 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:16,448 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:16,449 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:05:16,449 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:16,452 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:16,453 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 23:05:16,453 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:16,453 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:16,454 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:16,454 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:16,454 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:16,454 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:05:16,455 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:16,455 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:16,455 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-01 23:05:16,456 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:16,456 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:16,456 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:16,456 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:16,457 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:16,457 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:16,457 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:16,458 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:05:16,458 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:16,464 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:16,465 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:16,466 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:16,466 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:16,466 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:16,466 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:16,466 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:16,466 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:16,467 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:05:16,467 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:16,468 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:16,468 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-01 23:05:16,468 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:16,469 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:16,469 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:05:16,469 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:16,469 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:16,470 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:16,470 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:16,471 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:16,471 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:16,483 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:16,484 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:16,484 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:16,485 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:05:16,485 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:16,485 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:16,485 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:16,485 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:16,486 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:16,486 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:16,493 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:16,493 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-01 23:05:16,493 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 23:05:16,494 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:16,494 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:16,494 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:16,494 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:16,495 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:16,495 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:16,497 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:05:16,497 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:16,542 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:16,543 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:16,543 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:16,544 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:16,544 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:16,544 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:16,544 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:16,544 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:16,551 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:05:16,554 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:16,555 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:16,555 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-01 23:05:16,555 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 23:05:16,558 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:16,558 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:16,558 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:16,559 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:16,559 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:16,560 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:16,560 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:16,560 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:16,567 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:16,568 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:16,568 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:16,571 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:16,571 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:16,571 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:16,571 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:16,571 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:16,572 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:16,572 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:16,576 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:16,577 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-01 23:05:16,577 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:16,578 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:16,579 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:16,579 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:16,579 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:16,579 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:16,579 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:05:16,585 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:05:16,585 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:16,604 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:16,605 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:16,606 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:16,606 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:16,606 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:16,606 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:16,609 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:16,609 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:05:16,611 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:05:16,611 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:16,615 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:16,714 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:05:16,714 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:05:16,714 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:05:16,714 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:05:16,714 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:05:16,715 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:05:16,715 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:05:16,715 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:05:16,715 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Lasso [2019-01-01 23:05:16,715 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:05:16,715 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:05:16,716 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 23:05:16,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:05:16,832 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 23:05:17,221 WARN L181 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-01-01 23:05:17,265 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:05:17,268 INFO L412 LassoAnalysis]: Checking for nontermination... 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 23:05:17,280 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:05:17,281 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) [2019-01-01 23:05:17,343 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:05:17,343 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:05:24,366 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 23:05:24,371 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:05:24,371 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:05:24,371 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:05:24,371 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:05:24,371 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:05:24,371 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:05:24,372 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:05:24,372 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:05:24,372 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Lasso [2019-01-01 23:05:24,372 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:05:24,372 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:05:24,375 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 23:05:24,405 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 23:05:24,408 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 23:05:24,562 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:05:24,562 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:05:24,563 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 23:05:24,563 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:24,566 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:24,566 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:24,566 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:05:24,569 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:05:24,570 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 23:05:24,577 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:24,578 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:24,579 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:24,579 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:24,579 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:24,579 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:24,579 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:05:24,583 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:05:24,583 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:24,584 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:24,584 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:24,584 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:24,587 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:24,587 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:24,588 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:24,588 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:05:24,588 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:05:24,588 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:24,589 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:24,589 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-01 23:05:24,589 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:24,594 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:24,594 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:24,594 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:24,594 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:24,597 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 23:05:24,597 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 23:05:24,605 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:24,606 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:24,607 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:24,607 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:24,607 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:24,607 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:24,607 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:24,607 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:05:24,611 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:24,612 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:24,612 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:24,615 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:24,616 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:24,616 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:24,616 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:24,616 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:24,617 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:05:24,617 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:24,617 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:24,617 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-01 23:05:24,620 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:24,621 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:24,621 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:24,621 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:24,621 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:24,626 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 23:05:24,626 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 23:05:24,637 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:24,637 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 23:05:24,638 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:24,638 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:24,638 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:24,638 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:24,639 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:24,639 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:24,639 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:24,643 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:24,644 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:24,644 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:24,647 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:24,647 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:24,647 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:24,647 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:24,648 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:24,649 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:24,650 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:24,650 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-01 23:05:24,651 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 23:05:24,652 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:24,654 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:24,655 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:24,655 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:24,658 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-01 23:05:24,659 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-01 23:05:24,671 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:24,672 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:24,675 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:24,675 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:24,675 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:24,675 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:24,676 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:24,677 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:05:24,677 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:24,678 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:24,678 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:24,679 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:24,679 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:24,679 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:24,679 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:24,679 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:24,684 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:05:24,684 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:24,685 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:24,685 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-01 23:05:24,686 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:24,686 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:24,686 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:24,686 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:24,690 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:24,690 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:24,693 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 23:05:24,693 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 23:05:24,708 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:24,708 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 23:05:24,709 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:24,709 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:24,709 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:24,710 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:24,710 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:24,710 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:24,715 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:05:24,715 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:24,717 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:24,717 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:24,718 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:24,718 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:24,718 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:24,718 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:24,718 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:24,718 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:24,723 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:05:24,723 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:24,724 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:24,724 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-01 23:05:24,724 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:24,728 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:24,728 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:05:24,728 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:24,728 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:24,728 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:24,733 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 23:05:24,733 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 23:05:24,758 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:24,758 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:24,759 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:24,759 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:05:24,759 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:24,759 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:24,762 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:24,763 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:24,764 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:24,765 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:24,766 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:24,767 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:24,767 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:24,768 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:05:24,768 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:24,768 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:24,768 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:24,768 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:24,773 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:24,774 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:24,775 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:24,775 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-01 23:05:24,775 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:24,779 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:24,779 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:24,779 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:24,779 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:24,779 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:24,785 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-01 23:05:24,785 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-01 23:05:24,890 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:24,891 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 23:05:24,892 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:24,894 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:24,894 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:24,895 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:24,895 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:24,895 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:24,896 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:05:24,896 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:24,900 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:24,900 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 23:05:24,901 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:24,901 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:24,901 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:24,901 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:24,901 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:24,901 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:24,906 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:05:24,907 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:24,907 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:24,907 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-01 23:05:24,909 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 23:05:24,910 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:24,910 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:24,910 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:24,910 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:24,911 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:24,916 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 23:05:24,916 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 23:05:24,930 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:24,930 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:24,931 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:24,931 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:24,931 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:24,931 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:24,931 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:24,932 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:24,932 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:24,932 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:24,934 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:24,934 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:24,935 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:24,935 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:24,935 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:24,935 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:24,935 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:24,935 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:24,935 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:24,936 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:24,937 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:24,937 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-01 23:05:24,937 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:24,938 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:24,938 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:24,938 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:24,938 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:24,938 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:05:24,941 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-01-01 23:05:24,941 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-01-01 23:05:24,961 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:24,961 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:24,962 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:24,962 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:24,962 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:24,962 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:24,962 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:24,962 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:05:24,963 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:05:24,963 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:24,971 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:24,972 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 23:05:24,973 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:24,973 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:24,973 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:24,974 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:24,977 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:24,977 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:05:24,979 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:05:24,979 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:24,981 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:24,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:05:24 BoogieIcfgContainer [2019-01-01 23:05:24,990 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:05:24,991 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:05:24,991 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:05:24,991 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:05:24,991 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:04:46" (3/4) ... [2019-01-01 23:05:24,999 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 23:05:24,999 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:05:25,001 INFO L168 Benchmark]: Toolchain (without parser) took 39619.97 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 226.5 MB). Free memory was 952.7 MB in the beginning and 1.2 GB in the end (delta: -233.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:05:25,003 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:05:25,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.46 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-01 23:05:25,005 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.18 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:05:25,005 INFO L168 Benchmark]: Boogie Preprocessor took 26.52 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:05:25,007 INFO L168 Benchmark]: RCFGBuilder took 353.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-01-01 23:05:25,008 INFO L168 Benchmark]: BuchiAutomizer took 38944.72 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 72.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -56.8 MB). Peak memory consumption was 325.5 MB. Max. memory is 11.5 GB. [2019-01-01 23:05:25,011 INFO L168 Benchmark]: Witness Printer took 8.44 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 23:05:25,017 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 239.46 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 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 41.18 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.52 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 353.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 38944.72 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 72.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -56.8 MB). Peak memory consumption was 325.5 MB. Max. memory is 11.5 GB. * Witness Printer took 8.44 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 Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 38.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 38.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div487 bol100 ite100 ukn100 eq142 hnf45 smp90 dnf100 smp100 tf103 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 23ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 20.8s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~post0, main_~x~0;havoc main_~x~0;" "assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;" Loop: "assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...