./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/loop-acceleration/functions_false-unreach-call1_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/loop-acceleration/functions_false-unreach-call1_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 b863c06e3a705bd271aead006d68e66fa05ed392 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:42:49,015 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:42:49,016 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:42:49,031 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:42:49,031 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:42:49,032 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:42:49,034 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:42:49,036 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:42:49,037 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:42:49,038 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:42:49,039 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:42:49,039 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:42:49,040 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:42:49,041 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:42:49,043 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:42:49,043 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:42:49,044 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:42:49,046 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:42:49,049 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:42:49,050 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:42:49,051 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:42:49,053 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:42:49,055 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:42:49,056 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:42:49,056 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:42:49,061 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:42:49,062 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:42:49,063 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:42:49,064 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:42:49,065 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:42:49,065 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:42:49,069 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:42:49,069 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:42:49,069 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:42:49,070 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:42:49,074 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:42:49,075 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:42:49,109 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:42:49,110 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:42:49,112 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:42:49,112 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:42:49,112 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:42:49,112 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:42:49,112 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:42:49,112 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:42:49,117 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:42:49,117 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:42:49,117 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:42:49,117 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:42:49,118 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:42:49,118 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:42:49,118 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:42:49,119 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:42:49,119 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:42:49,119 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:42:49,119 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:42:49,119 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:42:49,119 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:42:49,120 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:42:49,120 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:42:49,120 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:42:49,120 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:42:49,120 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:42:49,120 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:42:49,121 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:42:49,121 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:42:49,121 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:42:49,121 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:42:49,122 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:42:49,122 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 -> b863c06e3a705bd271aead006d68e66fa05ed392 [2018-11-28 23:42:49,163 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:42:49,180 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:42:49,186 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:42:49,187 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:42:49,188 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:42:49,188 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-acceleration/functions_false-unreach-call1_true-termination.i [2018-11-28 23:42:49,245 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f60fd7bd0/66148aa758844f03bfc86051dd3e2d61/FLAGecf7f0022 [2018-11-28 23:42:49,678 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:42:49,679 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-acceleration/functions_false-unreach-call1_true-termination.i [2018-11-28 23:42:49,686 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f60fd7bd0/66148aa758844f03bfc86051dd3e2d61/FLAGecf7f0022 [2018-11-28 23:42:50,045 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f60fd7bd0/66148aa758844f03bfc86051dd3e2d61 [2018-11-28 23:42:50,049 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:42:50,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:42:50,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:42:50,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:42:50,056 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:42:50,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:42:50" (1/1) ... [2018-11-28 23:42:50,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fef80c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:50, skipping insertion in model container [2018-11-28 23:42:50,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:42:50" (1/1) ... [2018-11-28 23:42:50,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:42:50,094 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:42:50,311 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:42:50,319 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:42:50,338 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:42:50,359 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:42:50,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:50 WrapperNode [2018-11-28 23:42:50,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:42:50,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:42:50,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:42:50,361 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:42:50,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:50" (1/1) ... [2018-11-28 23:42:50,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:50" (1/1) ... [2018-11-28 23:42:50,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:42:50,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:42:50,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:42:50,396 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:42:50,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:50" (1/1) ... [2018-11-28 23:42:50,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:50" (1/1) ... [2018-11-28 23:42:50,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:50" (1/1) ... [2018-11-28 23:42:50,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:50" (1/1) ... [2018-11-28 23:42:50,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:50" (1/1) ... [2018-11-28 23:42:50,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:50" (1/1) ... [2018-11-28 23:42:50,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:50" (1/1) ... [2018-11-28 23:42:50,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:42:50,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:42:50,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:42:50,416 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:42:50,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:42:50,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:42:50,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:42:50,729 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:42:50,729 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-11-28 23:42:50,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:42:50 BoogieIcfgContainer [2018-11-28 23:42:50,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:42:50,731 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:42:50,731 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:42:50,736 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:42:50,736 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:42:50,737 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:42:50" (1/3) ... [2018-11-28 23:42:50,738 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14843aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:42:50, skipping insertion in model container [2018-11-28 23:42:50,738 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:42:50,738 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:50" (2/3) ... [2018-11-28 23:42:50,738 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14843aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:42:50, skipping insertion in model container [2018-11-28 23:42:50,740 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:42:50,740 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:42:50" (3/3) ... [2018-11-28 23:42:50,741 INFO L375 chiAutomizerObserver]: Analyzing ICFG functions_false-unreach-call1_true-termination.i [2018-11-28 23:42:50,802 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:42:50,803 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:42:50,803 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:42:50,803 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:42:50,803 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:42:50,803 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:42:50,804 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:42:50,804 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:42:50,804 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:42:50,819 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-11-28 23:42:50,841 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 23:42:50,842 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:42:50,842 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:42:50,849 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:42:50,850 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 23:42:50,850 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:42:50,850 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-11-28 23:42:50,851 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 23:42:50,851 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:42:50,852 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:42:50,852 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:42:50,852 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 23:42:50,861 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0; 5#L13-2true [2018-11-28 23:42:50,861 INFO L796 eck$LassoCheckResult]: Loop: 5#L13-2true assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z; 10#L9true main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0; 5#L13-2true [2018-11-28 23:42:50,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:42:50,868 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-28 23:42:50,870 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:42:50,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:42:50,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:50,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:42:50,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:50,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:42:50,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2018-11-28 23:42:50,970 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:42:50,970 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:42:50,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:50,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:42:50,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:50,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:42:50,996 INFO L82 PathProgramCache]: Analyzing trace with hash 31074, now seen corresponding path program 1 times [2018-11-28 23:42:50,996 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:42:50,997 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:42:50,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:50,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:42:50,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:51,246 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-28 23:42:51,262 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:42:51,264 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:42:51,264 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:42:51,264 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:42:51,264 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:42:51,264 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:42:51,265 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:42:51,265 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:42:51,265 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-28 23:42:51,265 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:42:51,265 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:42:51,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:42:51,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:42:51,721 WARN L180 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2018-11-28 23:42:51,853 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:42:51,854 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:42:51,859 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:42:51,859 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:42:51,868 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:42:51,869 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret0=0} Honda state: {ULTIMATE.start_main_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:42:51,892 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:42:51,892 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:42:52,084 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:42:52,084 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:43:04,317 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 23:43:04,344 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:04,344 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:04,344 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:04,344 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:04,344 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:43:04,345 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:04,345 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:04,345 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:04,345 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-28 23:43:04,345 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:04,345 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:04,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:04,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:04,656 WARN L180 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2018-11-28 23:43:04,783 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-11-28 23:43:04,810 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:04,817 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:43:04,820 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 [2018-11-28 23:43:04,821 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:04,823 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:04,824 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:04,824 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:04,824 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:04,829 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:43:04,830 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:04,859 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:04,862 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:04,863 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:04,865 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:04,866 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:04,866 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:04,866 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:04,869 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:43:04,870 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:04,871 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:04,872 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 23:43:04,873 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:04,874 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:04,875 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:04,875 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:04,875 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:04,876 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:04,882 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:04,884 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:04,911 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:04,912 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:04,913 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:04,913 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:04,915 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:04,915 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:04,915 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:04,916 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:04,917 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:04,918 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:04,919 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 23:43:04,920 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:04,920 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:04,922 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:04,922 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:04,922 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:04,923 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:04,927 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:04,927 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:04,977 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:04,978 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:04,980 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:04,980 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:04,980 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:04,981 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:04,981 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:04,982 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:04,982 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:04,985 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:04,985 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 23:43:04,986 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:04,987 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:04,988 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:04,988 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:04,988 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:04,988 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:04,992 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:04,993 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:05,051 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:05,051 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:05,052 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:05,052 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:05,053 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:05,053 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:05,053 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:05,057 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:05,058 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:05,059 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:05,059 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 23:43:05,060 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:05,061 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:05,061 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:05,061 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:05,062 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:05,062 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:05,062 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:05,073 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:05,073 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:05,184 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:05,184 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:05,185 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:05,185 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:05,189 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:05,190 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:05,190 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:05,190 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:05,192 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:05,192 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:05,195 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:05,195 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 23:43:05,195 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:05,199 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:05,200 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:05,200 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:05,200 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:05,201 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:05,201 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:05,209 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:05,211 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:05,330 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:05,331 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:05,332 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:05,332 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:05,332 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:05,333 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:05,333 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:05,333 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:05,335 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:05,335 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:05,338 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:05,338 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 23:43:05,339 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:05,340 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:05,340 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:05,340 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:05,341 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:05,341 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:05,341 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:05,349 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:05,349 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:05,507 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:05,508 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:05,510 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:05,510 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:05,511 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:05,511 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:05,511 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:05,512 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:05,518 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:05,519 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:05,520 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:05,520 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 23:43:05,522 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:05,525 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:05,525 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:05,526 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:05,526 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:05,526 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:05,526 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:05,530 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:05,530 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:05,551 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:05,553 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:05,555 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:05,556 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:05,556 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:05,557 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:05,558 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:05,559 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:05,565 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:05,566 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:05,570 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:05,570 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 23:43:05,570 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:05,571 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:05,571 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:05,571 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:05,575 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:05,575 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:05,575 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:05,580 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:05,580 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:05,645 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:05,646 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:05,647 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:05,647 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:05,647 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:05,647 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:05,650 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:05,651 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:05,652 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:05,652 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:05,657 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:05,720 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:05,720 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:05,720 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:05,720 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:05,721 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:43:05,722 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:05,722 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:05,722 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:05,722 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-28 23:43:05,722 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:05,722 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:05,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:05,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:05,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:05,956 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-28 23:43:06,610 WARN L180 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2018-11-28 23:43:06,722 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:06,722 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:06,733 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:43:06,734 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:43:06,740 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:43:06,741 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret0=0} Honda state: {ULTIMATE.start_main_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:06,766 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:43:06,767 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:43:06,773 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:43:06,773 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:06,796 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:43:06,797 INFO L163 nArgumentSynthesizer]: Using integer mode. 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) [2018-11-28 23:43:06,864 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:43:06,864 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 [2018-11-28 23:43:19,128 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 23:43:19,151 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:19,151 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:19,151 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:19,152 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:19,152 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:43:19,152 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:19,152 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:19,152 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:19,152 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-28 23:43:19,152 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:19,153 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:19,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:19,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:19,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:19,639 WARN L180 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2018-11-28 23:43:19,799 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:19,799 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:43:19,800 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:19,801 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:19,801 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:19,801 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:19,801 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:19,801 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:19,802 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:43:19,802 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:19,803 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:19,803 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:19,803 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:19,804 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:19,804 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:19,804 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:19,804 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:19,804 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:43:19,807 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:19,807 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:19,808 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:19,808 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:19,808 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:19,809 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:19,813 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:19,821 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:19,822 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:43:19,835 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:19,836 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 23:43:19,837 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:19,839 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:19,839 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:19,840 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:19,840 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:19,840 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:19,840 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:19,841 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:19,841 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:19,842 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:19,842 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:19,842 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:19,843 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:19,847 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:19,847 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:19,847 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:19,848 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:19,849 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:19,850 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:19,851 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:19,852 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:19,852 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:19,852 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:19,855 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:43:19,856 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:43:19,872 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:19,872 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 23:43:19,873 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:19,877 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:19,877 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:19,877 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:19,877 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:19,878 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:19,878 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:19,878 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:19,881 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:19,882 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:19,884 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:19,884 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:19,884 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:19,884 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:19,884 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:19,885 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:19,885 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:19,886 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:19,888 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:19,890 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:19,891 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:19,891 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:19,891 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:19,895 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:43:19,897 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:43:19,918 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:19,925 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 23:43:19,929 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:19,930 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:19,930 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:19,930 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:19,930 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:19,930 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:19,933 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:19,933 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:19,934 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:19,934 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 [2018-11-28 23:43:19,935 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:19,935 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:19,935 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:19,935 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:19,936 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:19,942 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:19,942 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:19,943 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:19,944 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:19,944 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:19,948 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:19,948 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:19,948 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:19,953 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:43:19,953 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:43:19,975 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:19,976 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 23:43:19,976 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:19,976 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:19,977 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:19,977 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:19,977 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:19,977 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:19,977 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:19,981 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:19,981 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:19,982 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:19,982 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:19,982 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:19,984 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:19,985 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:19,985 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:19,985 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:19,985 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:19,986 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:19,987 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:19,988 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:19,988 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:19,989 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:19,989 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:19,989 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:19,989 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:19,989 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:19,995 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:43:19,996 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:43:20,041 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:20,042 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 23:43:20,042 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:20,043 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:20,043 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:20,043 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:20,043 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:20,043 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:20,044 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:20,047 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:20,047 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:20,048 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:20,050 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:20,050 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:20,050 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:20,050 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:20,052 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:20,053 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:20,053 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:20,054 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:20,054 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:20,055 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:20,056 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:20,057 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:20,058 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:20,058 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:20,058 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:20,058 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:20,064 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:43:20,064 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:43:20,162 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:20,162 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 23:43:20,163 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:20,165 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:20,165 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:20,165 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:20,166 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:20,166 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:20,166 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:20,169 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:20,171 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:20,172 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:20,173 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:20,175 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:20,177 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:20,177 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:20,177 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:20,177 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:20,177 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:20,181 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:20,181 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:20,182 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:20,183 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:20,190 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:20,191 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:20,191 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:20,192 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:20,192 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:20,202 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:43:20,203 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:43:20,425 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:20,426 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 23:43:20,426 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:20,427 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:20,427 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:20,427 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:20,427 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:20,427 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:20,427 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:20,430 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:20,431 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:20,432 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:20,432 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 [2018-11-28 23:43:20,435 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:20,435 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:20,435 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:20,435 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:20,435 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:20,435 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:20,437 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:20,438 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:20,439 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:20,440 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 [2018-11-28 23:43:20,440 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:20,440 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:20,441 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:20,441 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:20,441 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:20,447 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:43:20,447 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:43:20,477 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:20,478 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 23:43:20,478 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:20,478 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:20,479 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:20,479 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:20,479 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:20,479 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:20,479 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:20,483 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:20,483 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:20,484 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:20,486 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:20,486 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:20,486 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:20,486 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:20,487 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:20,487 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:20,487 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:20,487 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:20,490 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:20,492 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:20,493 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 [2018-11-28 23:43:20,494 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:20,494 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:20,494 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:20,494 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:20,497 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:20,502 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 23:43:20,503 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 23:43:20,606 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:20,607 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-28 23:43:20,608 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0; 5#L13-2true assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z; 10#L9true main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0; 5#L13-2true [2018-11-28 23:43:20,609 INFO L796 eck$LassoCheckResult]: Loop: 5#L13-2true assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z; 10#L9true main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0; 5#L13-2true [2018-11-28 23:43:20,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:43:20,611 INFO L82 PathProgramCache]: Analyzing trace with hash 31074, now seen corresponding path program 2 times [2018-11-28 23:43:20,611 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:43:20,611 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:43:20,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:20,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:43:20,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:20,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:43:20,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 2 times [2018-11-28 23:43:20,629 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:43:20,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:43:20,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:20,632 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:43:20,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:20,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:43:20,648 INFO L82 PathProgramCache]: Analyzing trace with hash 29862436, now seen corresponding path program 3 times [2018-11-28 23:43:20,648 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:43:20,648 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:43:20,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:20,651 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:43:20,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:20,769 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:20,769 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:20,769 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:20,769 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:20,770 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:43:20,770 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:20,770 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:20,770 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:20,770 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-28 23:43:20,771 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:20,771 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:20,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:20,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:20,931 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:20,932 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 [2018-11-28 23:43:20,935 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:43:20,935 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:21,103 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:43:21,103 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:43:33,375 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 23:43:33,397 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:33,398 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:33,398 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:33,398 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:33,398 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:43:33,398 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:33,398 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:33,398 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:33,398 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-28 23:43:33,398 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:33,399 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:33,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:33,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:33,592 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:33,592 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:43:33,592 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,593 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:33,593 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,594 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,594 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,594 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:33,598 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:43:33,598 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,599 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,600 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,601 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:33,601 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,601 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,602 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,604 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:33,605 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:43:33,605 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,608 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,609 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 23:43:33,609 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,609 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:33,612 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,612 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,612 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,612 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:33,614 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:33,614 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,614 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,615 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,615 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:33,615 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,616 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,618 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,618 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:33,619 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:33,619 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,624 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,624 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 23:43:33,624 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,625 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:33,625 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,625 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,625 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,625 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:33,625 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:33,626 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,629 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,630 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,631 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:33,631 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,631 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,631 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,631 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:33,632 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:33,632 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,640 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,640 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 23:43:33,641 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,641 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:33,641 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,641 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,642 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,642 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:33,642 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:33,642 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,647 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,647 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,650 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:33,650 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,650 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,650 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,650 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:33,653 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:33,653 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,658 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,658 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 23:43:33,662 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,662 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:33,663 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:33,663 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,663 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,663 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,663 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:33,664 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:33,664 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,665 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,665 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,665 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:33,666 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:33,666 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,666 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,666 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,666 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:33,667 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:33,667 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,684 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,684 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 23:43:33,685 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,685 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:33,685 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:33,685 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,685 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,689 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,689 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:33,689 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:33,690 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,692 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,693 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,693 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:33,697 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:33,697 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,698 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,698 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,698 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:33,702 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:33,702 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,736 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,736 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 23:43:33,737 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,737 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:33,737 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:33,737 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,741 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,741 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,741 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:33,742 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:33,744 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,745 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,745 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,746 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:33,748 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:33,748 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,749 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,749 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,749 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:33,754 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:33,755 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,807 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,807 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 23:43:33,808 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,808 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:33,808 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:33,808 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,811 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,812 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,812 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:33,812 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:33,812 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,815 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,816 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,816 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:33,816 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:33,819 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,820 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,820 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,820 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:33,821 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:33,821 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,831 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,832 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 23:43:33,832 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,833 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:33,833 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:33,833 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,833 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,833 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,833 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:33,838 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:33,838 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,841 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,841 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,844 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:33,844 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:33,845 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,845 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,845 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,845 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:33,849 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:33,850 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,869 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:34,139 WARN L180 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 14 [2018-11-28 23:43:34,149 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:34,149 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:34,149 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:34,149 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:34,149 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:43:34,150 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:34,150 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:34,150 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:34,150 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-28 23:43:34,150 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:34,151 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:34,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:34,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:34,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:34,424 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2018-11-28 23:43:34,485 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:34,485 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:34,489 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:43:34,489 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:34,533 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:43:34,533 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:43:46,793 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 23:43:46,814 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:46,814 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:46,814 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:46,814 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:46,815 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:43:46,815 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:46,815 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:46,815 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:46,815 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-28 23:43:46,815 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:46,815 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:46,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:46,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:46,951 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-28 23:43:47,081 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-28 23:43:47,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:47,308 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:47,308 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:43:47,309 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:47,309 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:47,309 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:47,309 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:47,309 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:47,309 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:47,310 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:43:47,310 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:47,310 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:47,310 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:47,310 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:47,315 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:47,315 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:47,315 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:47,316 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:47,316 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:43:47,338 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:47,338 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 [2018-11-28 23:43:47,339 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:47,341 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:47,341 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:47,341 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:47,341 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:47,341 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:43:47,341 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:47,344 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:47,344 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 23:43:47,345 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:47,345 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:47,345 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:47,345 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:47,345 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:47,346 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:47,346 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:47,346 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:47,346 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:47,346 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:47,352 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:47,352 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:47,352 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:47,352 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:47,356 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:43:47,357 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:43:47,377 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:47,378 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 [2018-11-28 23:43:47,379 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:47,379 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:47,379 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:47,379 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:47,379 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:47,379 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:47,379 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:47,384 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:47,384 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 23:43:47,386 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:47,387 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:47,387 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:47,387 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:47,387 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:47,387 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:47,387 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:47,387 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:47,393 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:47,393 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:47,394 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:47,394 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:47,394 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:47,394 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:47,405 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:43:47,405 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:43:47,440 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:47,441 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:47,444 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:47,445 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:47,445 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:47,445 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:47,445 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:47,445 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:47,446 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:47,446 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:47,446 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 23:43:47,449 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:47,449 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:47,449 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:47,450 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:47,450 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:47,450 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:47,450 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:47,450 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:47,451 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:47,451 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:47,456 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:47,456 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:47,456 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:47,456 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:47,462 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:43:47,462 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:43:47,507 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:47,508 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:47,508 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:47,508 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:47,508 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:47,508 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:47,515 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:47,515 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:47,515 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:47,516 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:47,516 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 23:43:47,516 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 [2018-11-28 23:43:47,520 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:47,520 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:47,520 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:47,520 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:47,520 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:47,520 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:47,521 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:47,521 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:47,521 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:47,521 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:47,526 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:47,527 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:47,527 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:47,527 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:47,527 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:47,532 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:43:47,532 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:43:47,721 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:47,721 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:47,725 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:47,725 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:47,725 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:47,725 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:47,729 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:47,729 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:47,730 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:47,730 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:47,733 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:47,733 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 23:43:47,734 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:47,735 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:47,735 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:47,735 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:47,735 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:47,735 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:47,740 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:47,740 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:47,741 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:47,743 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:47,745 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:47,745 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:47,745 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:47,746 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:47,746 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:47,746 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:47,756 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:43:47,763 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:43:48,445 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:48,446 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:48,447 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:48,447 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:48,447 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:48,447 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:48,447 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:48,447 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:48,452 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:48,452 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:48,453 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:48,454 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 23:43:48,454 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:48,454 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:48,454 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:48,458 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:48,459 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:48,459 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:48,459 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:48,461 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:48,462 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:48,463 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:48,463 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:48,464 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:48,464 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:48,464 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:48,464 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:48,464 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:48,475 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:43:48,476 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:43:49,887 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:49,888 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:49,888 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:49,892 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:49,892 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:49,892 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:49,892 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:49,893 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:49,893 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:49,895 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:49,898 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:49,898 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 23:43:49,898 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:49,898 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:49,899 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:49,899 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:49,899 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:49,899 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:49,899 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:49,899 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:49,904 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:49,906 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:49,907 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:49,907 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:49,907 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:49,908 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:49,908 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:49,908 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:49,916 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:43:49,916 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:43:50,037 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:50,037 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:50,037 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:50,038 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:50,038 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:50,038 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:50,038 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:50,038 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:50,038 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:50,038 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:50,044 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:50,044 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 23:43:50,046 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:50,047 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:50,047 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:50,047 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:50,047 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:50,047 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:50,047 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:50,052 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:50,052 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:50,053 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:50,054 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:50,054 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:50,054 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:50,054 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:50,055 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:50,059 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:50,065 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 23:43:50,065 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 23:43:50,468 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:50,469 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:50,470 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:50,470 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:50,470 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:50,470 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:50,475 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:50,475 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:50,477 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:50,477 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:50,481 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:50,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:43:50 BoogieIcfgContainer [2018-11-28 23:43:50,489 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:43:50,490 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:43:50,490 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:43:50,490 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:43:50,491 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:42:50" (3/4) ... [2018-11-28 23:43:50,498 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:43:50,498 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:43:50,499 INFO L168 Benchmark]: Toolchain (without parser) took 60449.43 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 420.0 MB). Free memory was 951.4 MB in the beginning and 1.3 GB in the end (delta: -352.2 MB). Peak memory consumption was 67.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:43:50,504 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:43:50,505 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.29 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:43:50,507 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.38 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:43:50,507 INFO L168 Benchmark]: Boogie Preprocessor took 19.62 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:43:50,508 INFO L168 Benchmark]: RCFGBuilder took 314.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -174.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:43:50,511 INFO L168 Benchmark]: BuchiAutomizer took 59758.17 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 284.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -188.3 MB). Peak memory consumption was 483.0 MB. Max. memory is 11.5 GB. [2018-11-28 23:43:50,512 INFO L168 Benchmark]: Witness Printer took 8.59 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:43:50,520 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 308.29 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 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 35.38 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.62 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 314.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -174.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 59758.17 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 284.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -188.3 MB). Peak memory consumption was 483.0 MB. Max. memory is 11.5 GB. * Witness Printer took 8.59 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 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 59.7s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 59.6s. 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: inital28 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div248 bol100 ite100 ukn100 eq163 hnf60 smp95 dnf100 smp100 tf101 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 414ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 24.7s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0;" "assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z;" "main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0;" Loop: "assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z;" "main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...