./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/loop-acceleration/simple_true-unreach-call3_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/loop-acceleration/simple_true-unreach-call3_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 d57e8ddb55bdff7b186468e47377e815829f9014 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 03:46:30,934 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 03:46:30,936 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 03:46:30,948 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 03:46:30,948 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 03:46:30,949 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 03:46:30,951 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 03:46:30,953 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 03:46:30,955 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 03:46:30,960 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 03:46:30,961 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 03:46:30,962 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 03:46:30,962 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 03:46:30,963 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 03:46:30,965 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 03:46:30,966 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 03:46:30,966 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 03:46:30,973 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 03:46:30,978 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 03:46:30,981 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 03:46:30,982 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 03:46:30,983 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 03:46:30,989 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 03:46:30,989 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 03:46:30,989 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 03:46:30,992 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 03:46:30,993 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 03:46:30,993 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 03:46:30,994 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 03:46:30,995 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 03:46:30,995 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 03:46:30,996 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 03:46:30,996 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 03:46:30,996 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 03:46:30,997 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 03:46:30,998 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 03:46:30,998 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 03:46:31,015 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 03:46:31,018 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 03:46:31,019 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 03:46:31,019 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 03:46:31,020 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 03:46:31,023 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 03:46:31,023 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 03:46:31,023 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 03:46:31,023 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 03:46:31,024 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 03:46:31,024 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 03:46:31,024 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 03:46:31,024 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 03:46:31,024 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 03:46:31,025 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 03:46:31,029 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 03:46:31,029 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 03:46:31,030 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 03:46:31,030 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 03:46:31,030 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 03:46:31,030 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 03:46:31,030 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 03:46:31,030 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 03:46:31,031 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 03:46:31,032 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 03:46:31,032 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 03:46:31,033 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 03:46:31,033 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 03:46:31,033 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 03:46:31,033 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 03:46:31,033 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 03:46:31,036 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 03:46:31,037 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 -> d57e8ddb55bdff7b186468e47377e815829f9014 [2019-01-14 03:46:31,100 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 03:46:31,116 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 03:46:31,122 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 03:46:31,124 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 03:46:31,124 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 03:46:31,125 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-acceleration/simple_true-unreach-call3_true-termination.i [2019-01-14 03:46:31,170 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dc2195b4/fb5e2a6b1b0a48e0b89f93a5d098b71e/FLAG5deb6e9cc [2019-01-14 03:46:31,560 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 03:46:31,561 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-acceleration/simple_true-unreach-call3_true-termination.i [2019-01-14 03:46:31,567 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dc2195b4/fb5e2a6b1b0a48e0b89f93a5d098b71e/FLAG5deb6e9cc [2019-01-14 03:46:31,973 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dc2195b4/fb5e2a6b1b0a48e0b89f93a5d098b71e [2019-01-14 03:46:31,977 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 03:46:31,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 03:46:31,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 03:46:31,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 03:46:31,983 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 03:46:31,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:46:31" (1/1) ... [2019-01-14 03:46:31,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f778827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:46:31, skipping insertion in model container [2019-01-14 03:46:31,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:46:31" (1/1) ... [2019-01-14 03:46:31,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 03:46:32,012 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 03:46:32,225 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 03:46:32,230 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 03:46:32,250 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 03:46:32,268 INFO L195 MainTranslator]: Completed translation [2019-01-14 03:46:32,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:46:32 WrapperNode [2019-01-14 03:46:32,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 03:46:32,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 03:46:32,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 03:46:32,271 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 03:46:32,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:46:32" (1/1) ... [2019-01-14 03:46:32,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:46:32" (1/1) ... [2019-01-14 03:46:32,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 03:46:32,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 03:46:32,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 03:46:32,311 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 03:46:32,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:46:32" (1/1) ... [2019-01-14 03:46:32,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:46:32" (1/1) ... [2019-01-14 03:46:32,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:46:32" (1/1) ... [2019-01-14 03:46:32,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:46:32" (1/1) ... [2019-01-14 03:46:32,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:46:32" (1/1) ... [2019-01-14 03:46:32,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:46:32" (1/1) ... [2019-01-14 03:46:32,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:46:32" (1/1) ... [2019-01-14 03:46:32,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 03:46:32,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 03:46:32,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 03:46:32,342 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 03:46:32,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:46:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:46:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 03:46:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 03:46:32,723 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 03:46:32,723 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-14 03:46:32,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:46:32 BoogieIcfgContainer [2019-01-14 03:46:32,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 03:46:32,725 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 03:46:32,726 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 03:46:32,730 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 03:46:32,731 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:46:32,731 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 03:46:31" (1/3) ... [2019-01-14 03:46:32,732 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70985a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 03:46:32, skipping insertion in model container [2019-01-14 03:46:32,733 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:46:32,733 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:46:32" (2/3) ... [2019-01-14 03:46:32,734 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70985a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 03:46:32, skipping insertion in model container [2019-01-14 03:46:32,734 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:46:32,734 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:46:32" (3/3) ... [2019-01-14 03:46:32,737 INFO L375 chiAutomizerObserver]: Analyzing ICFG simple_true-unreach-call3_true-termination.i [2019-01-14 03:46:32,797 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 03:46:32,798 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 03:46:32,798 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 03:46:32,798 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 03:46:32,798 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 03:46:32,798 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 03:46:32,798 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 03:46:32,799 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 03:46:32,799 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 03:46:32,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-01-14 03:46:32,837 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-14 03:46:32,838 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 03:46:32,838 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 03:46:32,845 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 03:46:32,846 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-14 03:46:32,846 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 03:46:32,846 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-01-14 03:46:32,847 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-14 03:46:32,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 03:46:32,847 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 03:46:32,849 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 03:46:32,849 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-14 03:46:32,858 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~N~0;main_~x~0 := 0;main_~N~0 := main_#t~nondet0;havoc main_#t~nondet0; 3#L12-2true [2019-01-14 03:46:32,858 INFO L796 eck$LassoCheckResult]: Loop: 3#L12-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 3#L12-2true [2019-01-14 03:46:32,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:46:32,865 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-01-14 03:46:32,868 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:46:32,869 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:46:32,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:46:32,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:46:32,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:46:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:46:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:46:32,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:46:32,965 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-01-14 03:46:32,965 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:46:32,965 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:46:32,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:46:32,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:46:32,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:46:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:46:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:46:32,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:46:32,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-01-14 03:46:32,984 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:46:32,984 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:46:32,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:46:32,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:46:32,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:46:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:46:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:46:33,167 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:46:33,168 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:46:33,168 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:46:33,168 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:46:33,169 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 03:46:33,169 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:46:33,169 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:46:33,169 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:46:33,169 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2019-01-14 03:46:33,170 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:46:33,170 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:46:33,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:46:33,417 WARN L181 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-01-14 03:46:33,526 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:46:33,526 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) [2019-01-14 03:46:33,540 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:46:33,541 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2019-01-14 03:46:33,592 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 03:46:33,593 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 03:46:45,678 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-14 03:46:45,686 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:46:45,686 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:46:45,686 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:46:45,686 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:46:45,686 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 03:46:45,686 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:46:45,687 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:46:45,687 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:46:45,687 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2019-01-14 03:46:45,687 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:46:45,687 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:46:45,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:46:46,020 WARN L181 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-01-14 03:46:46,119 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:46:46,125 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 03:46:46,127 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:46,128 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:46,128 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:46,129 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:46,129 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:46,130 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:46:46,134 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:46:46,134 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:46,157 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:46,157 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-14 03:46:46,157 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:46,159 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:46,159 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:46,160 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:46,160 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:46,160 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:46,162 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:46:46,163 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:46,182 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:46,182 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-14 03:46:46,183 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 [2019-01-14 03:46:46,184 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:46,184 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:46,184 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:46,184 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:46,184 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:46,187 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:46,187 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:46,218 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:46,221 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-14 03:46:46,221 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:46,222 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:46,222 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:46,223 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:46,223 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:46,223 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:46,230 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:46:46,230 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:46,256 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:46,256 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-14 03:46:46,256 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:46,258 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:46,258 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:46,258 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:46,258 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:46,259 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:46,259 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:46,263 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:46:46,264 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:46,326 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:46,326 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-14 03:46:46,326 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:46,328 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:46,328 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:46:46,328 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:46,328 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:46,329 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:46,329 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:46,335 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:46,335 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:46,396 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:46,397 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-14 03:46:46,397 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:46,398 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:46,399 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:46,399 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:46,399 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:46,399 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:46,399 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:46,414 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:46:46,414 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:46,558 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:46,558 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-14 03:46:46,559 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:46,560 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:46,563 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:46,563 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:46,564 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:46,565 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:46,566 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:46,571 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:46,572 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:46,605 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:46,605 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-14 03:46:46,606 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:46,607 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:46,607 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:46,607 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:46,607 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:46,609 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:46,609 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:46:46,613 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:46:46,613 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:46,667 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:46,791 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:46:46,791 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:46:46,792 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:46:46,792 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:46:46,792 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 03:46:46,792 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:46:46,793 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:46:46,793 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:46:46,793 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2019-01-14 03:46:46,793 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:46:46,793 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:46:46,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:46:46,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:46:46,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:46:47,173 WARN L181 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-01-14 03:46:47,269 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:46:47,270 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:46:47,277 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:46:47,277 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 03:46:47,284 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 03:46:47,284 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:46:47,306 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:46:47,306 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:46:47,356 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 03:46:47,357 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 03:46:59,429 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-14 03:46:59,437 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:46:59,437 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:46:59,437 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:46:59,437 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:46:59,437 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 03:46:59,438 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:46:59,438 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:46:59,438 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:46:59,438 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2019-01-14 03:46:59,438 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:46:59,438 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:46:59,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:46:59,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:46:59,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:46:59,745 WARN L181 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-01-14 03:46:59,982 WARN L181 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2019-01-14 03:46:59,989 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:46:59,990 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 03:46:59,990 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:59,991 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:59,991 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:59,991 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:59,991 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:46:59,994 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:46:59,994 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 03:47:00,006 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:00,006 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:00,007 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:47:00,007 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:00,007 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:00,007 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:00,007 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:47:00,008 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:47:00,008 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:00,008 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:00,009 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:00,009 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:47:00,009 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:00,010 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:00,010 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:00,010 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:47:00,010 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:47:00,011 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:00,011 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:00,011 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-14 03:47:00,012 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:00,012 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:47:00,012 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:00,012 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:00,013 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:47:00,016 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-14 03:47:00,016 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-14 03:47:00,031 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:00,032 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:00,032 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:47:00,032 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:00,032 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:00,033 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:00,033 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:47:00,033 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:47:00,033 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:00,034 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:00,034 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:00,035 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:47:00,035 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:00,035 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:00,035 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:00,036 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:47:00,036 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:47:00,036 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:00,037 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:00,037 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-14 03:47:00,037 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 [2019-01-14 03:47:00,038 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:47:00,038 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:00,038 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:00,038 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:47:00,042 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-14 03:47:00,042 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-14 03:47:00,062 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:00,062 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:00,063 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:47:00,063 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:00,063 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:00,064 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:00,064 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:47:00,064 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:47:00,064 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:00,065 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:00,065 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:00,066 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:47:00,066 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:00,066 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:00,066 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:00,067 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:47:00,067 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:47:00,067 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:00,068 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:00,068 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-14 03:47:00,068 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:00,069 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:47:00,069 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:00,069 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:00,069 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:47:00,074 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-14 03:47:00,075 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-14 03:47:00,099 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:00,100 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:00,100 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:47:00,100 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:00,100 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:00,101 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:00,101 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:47:00,102 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:47:00,102 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:00,102 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:00,103 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:00,103 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:47:00,104 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:00,104 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:00,104 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:00,104 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:47:00,105 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:47:00,105 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:00,105 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:00,106 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-14 03:47:00,106 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:00,107 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:00,107 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:47:00,107 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:00,107 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:00,107 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:47:00,110 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-14 03:47:00,111 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-14 03:47:00,148 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:00,149 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:00,149 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:00,150 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:47:00,150 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:00,150 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:00,150 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:00,150 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:47:00,151 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:47:00,151 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:00,152 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:00,152 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:00,153 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:00,153 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:47:00,153 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:00,153 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:00,154 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:00,154 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:47:00,154 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:47:00,155 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:00,155 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:00,155 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-14 03:47:00,156 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:00,156 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:00,157 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:47:00,157 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:00,157 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:00,157 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:47:00,161 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-14 03:47:00,161 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-14 03:47:00,216 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:00,217 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:00,217 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:00,217 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:47:00,217 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:00,218 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:00,218 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:00,218 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:47:00,219 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:47:00,219 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:00,220 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:00,221 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:00,222 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:00,222 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:47:00,222 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:00,222 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:00,222 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:00,222 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:47:00,223 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:47:00,223 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:00,225 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:00,225 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-14 03:47:00,225 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:00,226 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:00,226 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:47:00,226 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:00,227 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:00,227 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:47:00,236 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-14 03:47:00,237 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-14 03:47:00,351 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:00,352 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:00,353 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:00,353 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:47:00,353 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:00,354 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:00,354 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:00,354 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:47:00,358 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:47:00,360 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:00,361 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:00,362 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:00,362 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:00,363 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:47:00,365 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:00,365 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:00,365 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:00,366 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:47:00,368 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:47:00,368 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:00,369 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:00,371 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-14 03:47:00,373 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:00,373 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:00,373 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:47:00,375 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:00,376 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:00,376 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:47:00,381 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-14 03:47:00,381 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-14 03:47:00,413 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:00,414 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:00,416 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:00,416 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:47:00,416 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:00,417 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:00,417 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:00,417 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:47:00,417 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:47:00,418 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:00,423 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:00,425 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:00,427 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:00,427 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:47:00,427 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:00,427 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:00,427 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:00,427 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:47:00,428 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:47:00,428 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:00,432 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:00,432 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-14 03:47:00,433 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:00,434 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:00,434 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:47:00,434 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:00,434 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:00,434 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:47:00,441 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-01-14 03:47:00,442 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-01-14 03:47:00,533 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:00,534 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:00,534 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:00,534 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:47:00,535 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:00,535 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:00,535 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:00,535 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:47:00,536 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:47:00,538 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:00,541 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:00,541 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:00,542 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:00,543 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:47:00,543 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:00,544 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:00,544 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:00,544 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:47:00,544 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:47:00,545 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:00,548 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:00,549 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-01-14 03:47:00,549 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~N~0;main_~x~0 := 0;main_~N~0 := main_#t~nondet0;havoc main_#t~nondet0; 3#L12-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 3#L12-2true [2019-01-14 03:47:00,549 INFO L796 eck$LassoCheckResult]: Loop: 3#L12-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 3#L12-2true [2019-01-14 03:47:00,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:47:00,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2019-01-14 03:47:00,550 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:47:00,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:47:00,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:47:00,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:47:00,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:47:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:47:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:47:00,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:47:00,566 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2019-01-14 03:47:00,566 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:47:00,566 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:47:00,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:47:00,568 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 03:47:00,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:47:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:47:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:47:00,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:47:00,581 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2019-01-14 03:47:00,582 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:47:00,582 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:47:00,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:47:00,583 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 03:47:00,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:47:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:47:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:47:00,768 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:47:00,768 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:47:00,768 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:47:00,768 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:47:00,768 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 03:47:00,769 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:47:00,769 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:47:00,769 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:47:00,769 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2019-01-14 03:47:00,769 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:47:00,769 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:47:00,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:47:01,382 WARN L181 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-01-14 03:47:01,655 WARN L181 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2019-01-14 03:47:01,656 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:47:01,656 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-01-14 03:47:01,668 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:47:01,669 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:47:01,721 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 03:47:01,721 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 03:47:13,810 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-14 03:47:13,816 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:47:13,816 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:47:13,816 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:47:13,816 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:47:13,816 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 03:47:13,817 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:47:13,817 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:47:13,817 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:47:13,817 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2019-01-14 03:47:13,817 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:47:13,817 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:47:13,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:47:14,109 WARN L181 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-01-14 03:47:14,148 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:47:14,148 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 03:47:14,148 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:14,149 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:47:14,149 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:14,149 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:14,149 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:14,150 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:47:14,153 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:47:14,153 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:14,157 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:14,157 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-14 03:47:14,157 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:14,158 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:47:14,158 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:14,158 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:14,158 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:14,158 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:47:14,159 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:47:14,159 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:14,166 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:14,166 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-14 03:47:14,166 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:14,167 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:47:14,167 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:14,167 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:14,167 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:14,167 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:47:14,168 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:47:14,168 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:14,175 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:14,175 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-14 03:47:14,176 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:14,176 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:47:14,176 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:14,176 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:14,176 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:14,177 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:47:14,180 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:47:14,181 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:14,186 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:14,187 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-14 03:47:14,187 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:14,188 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:14,188 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:47:14,188 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:14,189 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:14,189 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:14,189 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:47:14,193 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:47:14,193 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:14,247 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:14,247 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-14 03:47:14,248 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:14,249 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:14,251 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:47:14,251 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:14,251 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:14,251 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:14,251 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:47:14,256 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:47:14,259 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:14,286 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:14,286 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-14 03:47:14,287 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:14,288 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:14,288 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:47:14,288 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:14,288 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:14,288 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:14,289 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:47:14,294 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:47:14,296 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:14,334 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:14,334 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-14 03:47:14,335 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:14,337 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:14,337 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:47:14,337 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:14,339 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:14,339 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:14,339 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:47:14,340 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:47:14,340 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:14,347 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:14,347 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-14 03:47:14,348 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:14,350 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:14,350 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:47:14,350 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:14,351 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:14,351 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:14,351 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:47:14,358 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:47:14,358 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:14,376 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:14,488 WARN L181 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-01-14 03:47:14,574 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:47:14,574 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:47:14,574 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:47:14,574 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:47:14,574 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 03:47:14,574 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:47:14,574 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:47:14,574 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:47:14,574 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2019-01-14 03:47:14,575 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:47:14,577 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:47:14,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:47:14,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:47:14,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:47:14,872 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:47:14,873 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) [2019-01-14 03:47:14,884 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:47:14,884 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:47:14,893 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 03:47:14,893 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:47:14,914 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:47:14,915 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 03:47:14,919 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 03:47:14,919 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:47:14,941 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:47:14,941 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) [2019-01-14 03:47:14,994 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 03:47:14,994 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:47:27,087 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-14 03:47:27,094 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:47:27,094 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:47:27,094 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:47:27,094 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:47:27,094 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 03:47:27,094 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:47:27,094 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:47:27,094 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:47:27,095 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2019-01-14 03:47:27,095 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:47:27,095 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:47:27,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:47:27,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:47:27,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:47:27,289 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:47:27,290 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 03:47:27,292 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:27,292 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:47:27,292 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:27,293 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:27,293 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:27,293 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:47:27,293 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:47:27,293 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:27,294 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:27,297 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:27,297 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:47:27,297 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:27,298 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:27,298 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:47:27,299 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:47:27,299 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 03:47:27,307 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:27,307 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:27,308 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:47:27,308 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:27,308 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:27,308 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:27,308 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:47:27,308 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:47:27,308 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:27,309 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:27,312 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-14 03:47:27,312 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:27,315 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:47:27,315 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:27,315 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:27,315 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:27,315 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:47:27,316 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:47:27,316 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:27,316 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:27,317 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:27,317 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:47:27,317 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:27,317 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:27,317 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:47:27,322 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-14 03:47:27,322 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-14 03:47:27,337 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:27,337 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:27,338 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:47:27,338 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:27,338 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:27,338 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:27,338 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:47:27,338 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:47:27,338 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:27,342 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:27,342 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-14 03:47:27,343 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:27,343 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:47:27,343 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:27,344 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:27,346 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:27,347 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:47:27,347 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:47:27,347 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:27,348 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:27,348 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:27,348 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:47:27,348 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:27,349 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:27,352 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:47:27,355 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-14 03:47:27,355 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-14 03:47:27,375 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:27,375 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:27,376 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:47:27,376 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:27,376 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:27,376 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:27,376 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:47:27,380 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:47:27,381 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:27,381 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:27,381 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-14 03:47:27,382 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:27,382 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:47:27,382 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:27,382 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:27,383 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:27,386 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:47:27,387 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:47:27,387 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:27,387 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:27,389 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:27,390 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:47:27,390 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:27,390 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:27,390 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:47:27,396 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-14 03:47:27,396 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-14 03:47:27,419 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:27,419 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:27,420 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:47:27,422 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:27,422 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:27,422 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:27,422 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:47:27,423 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:47:27,423 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:27,424 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:27,424 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-14 03:47:27,424 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:27,429 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:27,429 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:47:27,429 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:27,430 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:27,430 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:27,430 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:47:27,430 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:47:27,431 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:27,431 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:27,431 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:27,436 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:27,437 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:47:27,437 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:27,437 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:27,437 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:47:27,441 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-14 03:47:27,442 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-14 03:47:27,475 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:27,476 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:27,476 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:27,477 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:47:27,477 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:27,477 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:27,477 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:27,477 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:47:27,477 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:47:27,478 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:27,478 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:27,478 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-14 03:47:27,478 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 [2019-01-14 03:47:27,485 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:27,485 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:47:27,486 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:27,487 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:27,487 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:27,487 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:47:27,488 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:47:27,488 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:27,492 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:27,493 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:27,494 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:27,494 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:47:27,494 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:27,495 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:27,498 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:47:27,503 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-14 03:47:27,503 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-14 03:47:27,597 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:27,598 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:27,598 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:27,598 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:47:27,598 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:27,599 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:27,599 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:27,599 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:47:27,599 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:47:27,599 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:27,604 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:27,605 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-14 03:47:27,605 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:27,606 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:27,606 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:47:27,606 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:27,606 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:27,606 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:27,606 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:47:27,607 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:47:27,607 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:27,612 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:27,613 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:27,614 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:27,614 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:47:27,614 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:27,614 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:27,614 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:47:27,623 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-14 03:47:27,623 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-14 03:47:27,761 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:27,762 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:27,763 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:27,763 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:47:27,763 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:27,763 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:27,763 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:27,764 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:47:27,768 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:47:27,768 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:27,770 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:27,770 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-14 03:47:27,770 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:27,771 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:27,771 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:47:27,771 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:27,771 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:27,771 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:27,772 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:47:27,777 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:47:27,777 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:27,778 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:27,778 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:27,781 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:27,782 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:47:27,782 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:27,782 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:27,782 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:47:27,784 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-14 03:47:27,786 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-14 03:47:27,819 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:27,819 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:27,820 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:27,820 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:47:27,820 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:27,820 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:27,821 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:27,821 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:47:27,821 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:47:27,821 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:27,827 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:27,827 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-14 03:47:27,828 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:27,828 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:27,828 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:47:27,828 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:27,829 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:27,829 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:27,829 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:47:27,829 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:47:27,830 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:27,837 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:27,838 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:27,838 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:27,838 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:47:27,839 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:27,839 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:27,839 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:47:27,847 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-01-14 03:47:27,847 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-01-14 03:47:27,983 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:27,984 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:47:27,984 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:47:27,985 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:47:27,985 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:47:27,985 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:47:27,985 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:47:27,985 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:47:27,986 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:47:27,986 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:47:27,992 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:47:28,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 03:47:28 BoogieIcfgContainer [2019-01-14 03:47:28,000 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 03:47:28,000 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 03:47:28,001 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 03:47:28,001 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 03:47:28,001 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:46:32" (3/4) ... [2019-01-14 03:47:28,007 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 03:47:28,008 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 03:47:28,009 INFO L168 Benchmark]: Toolchain (without parser) took 56031.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.5 MB). Free memory was 952.7 MB in the beginning and 910.3 MB in the end (delta: 42.4 MB). Peak memory consumption was 247.9 MB. Max. memory is 11.5 GB. [2019-01-14 03:47:28,010 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:47:28,012 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.60 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 03:47:28,012 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.25 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:47:28,014 INFO L168 Benchmark]: Boogie Preprocessor took 30.58 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:47:28,014 INFO L168 Benchmark]: RCFGBuilder took 383.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-01-14 03:47:28,016 INFO L168 Benchmark]: BuchiAutomizer took 55274.70 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.3 MB). Free memory was 1.1 GB in the beginning and 910.3 MB in the end (delta: 199.9 MB). Peak memory consumption was 312.6 MB. Max. memory is 11.5 GB. [2019-01-14 03:47:28,017 INFO L168 Benchmark]: Witness Printer took 7.73 ms. Allocated memory is still 1.2 GB. Free memory is still 910.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:47:28,023 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 291.60 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.25 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.58 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 383.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 55274.70 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.3 MB). Free memory was 1.1 GB in the beginning and 910.3 MB in the end (delta: 199.9 MB). Peak memory consumption was 312.6 MB. Max. memory is 11.5 GB. * Witness Printer took 7.73 ms. Allocated memory is still 1.2 GB. Free memory is still 910.3 MB. 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 55.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 55.1s. 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: inital18 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div644 bol100 ite100 ukn100 eq141 hnf42 smp89 dnf100 smp100 tf102 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 145ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 24.3s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~N~0;main_~x~0 := 0;main_~N~0 := main_#t~nondet0;havoc main_#t~nondet0;" "assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0;" Loop: "assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...