./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/simple_false-unreach-call2_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_53d33753-9d36-40d9-b9c5-f2ced0067273/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_53d33753-9d36-40d9-b9c5-f2ced0067273/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_53d33753-9d36-40d9-b9c5-f2ced0067273/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_53d33753-9d36-40d9-b9c5-f2ced0067273/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/simple_false-unreach-call2_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_53d33753-9d36-40d9-b9c5-f2ced0067273/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_53d33753-9d36-40d9-b9c5-f2ced0067273/bin-2019/uautomizer --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 4227429e9f2e62c477cf816fad5585fa39d927f0 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 12:31:28,181 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 12:31:28,182 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 12:31:28,187 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 12:31:28,188 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 12:31:28,188 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 12:31:28,189 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 12:31:28,190 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 12:31:28,190 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 12:31:28,191 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 12:31:28,191 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 12:31:28,191 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 12:31:28,192 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 12:31:28,192 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 12:31:28,193 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 12:31:28,193 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 12:31:28,193 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 12:31:28,194 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 12:31:28,195 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 12:31:28,196 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 12:31:28,196 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 12:31:28,197 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 12:31:28,198 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 12:31:28,198 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 12:31:28,198 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 12:31:28,199 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 12:31:28,199 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 12:31:28,200 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 12:31:28,200 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 12:31:28,201 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 12:31:28,201 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 12:31:28,201 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 12:31:28,201 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 12:31:28,202 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 12:31:28,202 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 12:31:28,202 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 12:31:28,203 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_53d33753-9d36-40d9-b9c5-f2ced0067273/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-08 12:31:28,210 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 12:31:28,210 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 12:31:28,211 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 12:31:28,211 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 12:31:28,211 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 12:31:28,212 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-08 12:31:28,212 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-08 12:31:28,212 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-08 12:31:28,212 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-08 12:31:28,212 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-08 12:31:28,212 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-08 12:31:28,212 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 12:31:28,212 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 12:31:28,212 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 12:31:28,212 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 12:31:28,212 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 12:31:28,213 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 12:31:28,213 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-08 12:31:28,213 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-08 12:31:28,213 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-08 12:31:28,213 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 12:31:28,213 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 12:31:28,213 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-08 12:31:28,213 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 12:31:28,213 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-08 12:31:28,213 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 12:31:28,213 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 12:31:28,214 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-08 12:31:28,214 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 12:31:28,214 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 12:31:28,214 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-08 12:31:28,214 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-08 12:31:28,215 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_53d33753-9d36-40d9-b9c5-f2ced0067273/bin-2019/uautomizer 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 -> 4227429e9f2e62c477cf816fad5585fa39d927f0 [2018-12-08 12:31:28,232 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 12:31:28,242 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 12:31:28,245 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 12:31:28,246 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 12:31:28,246 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 12:31:28,247 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_53d33753-9d36-40d9-b9c5-f2ced0067273/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/simple_false-unreach-call2_true-termination.i [2018-12-08 12:31:28,292 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_53d33753-9d36-40d9-b9c5-f2ced0067273/bin-2019/uautomizer/data/fdd6e70c7/28d2daa1dd7a4c0cabc99a54e74ea7ba/FLAGd29f50298 [2018-12-08 12:31:28,744 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 12:31:28,745 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_53d33753-9d36-40d9-b9c5-f2ced0067273/sv-benchmarks/c/loop-acceleration/simple_false-unreach-call2_true-termination.i [2018-12-08 12:31:28,748 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_53d33753-9d36-40d9-b9c5-f2ced0067273/bin-2019/uautomizer/data/fdd6e70c7/28d2daa1dd7a4c0cabc99a54e74ea7ba/FLAGd29f50298 [2018-12-08 12:31:28,758 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_53d33753-9d36-40d9-b9c5-f2ced0067273/bin-2019/uautomizer/data/fdd6e70c7/28d2daa1dd7a4c0cabc99a54e74ea7ba [2018-12-08 12:31:28,760 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 12:31:28,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 12:31:28,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 12:31:28,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 12:31:28,764 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 12:31:28,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:31:28" (1/1) ... [2018-12-08 12:31:28,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a63a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:31:28, skipping insertion in model container [2018-12-08 12:31:28,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:31:28" (1/1) ... [2018-12-08 12:31:28,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 12:31:28,778 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 12:31:28,860 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:31:28,862 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 12:31:28,871 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:31:28,879 INFO L195 MainTranslator]: Completed translation [2018-12-08 12:31:28,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:31:28 WrapperNode [2018-12-08 12:31:28,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 12:31:28,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 12:31:28,879 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 12:31:28,880 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 12:31:28,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:31:28" (1/1) ... [2018-12-08 12:31:28,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:31:28" (1/1) ... [2018-12-08 12:31:28,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 12:31:28,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 12:31:28,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 12:31:28,897 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 12:31:28,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:31:28" (1/1) ... [2018-12-08 12:31:28,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:31:28" (1/1) ... [2018-12-08 12:31:28,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:31:28" (1/1) ... [2018-12-08 12:31:28,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:31:28" (1/1) ... [2018-12-08 12:31:28,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:31:28" (1/1) ... [2018-12-08 12:31:28,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:31:28" (1/1) ... [2018-12-08 12:31:28,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:31:28" (1/1) ... [2018-12-08 12:31:28,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 12:31:28,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 12:31:28,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 12:31:28,938 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 12:31:28,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:31:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_53d33753-9d36-40d9-b9c5-f2ced0067273/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:31:28,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 12:31:28,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 12:31:29,048 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 12:31:29,048 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 12:31:29,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:31:29 BoogieIcfgContainer [2018-12-08 12:31:29,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 12:31:29,049 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-08 12:31:29,049 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-08 12:31:29,052 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-08 12:31:29,052 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 12:31:29,052 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.12 12:31:28" (1/3) ... [2018-12-08 12:31:29,053 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@547e1293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 12:31:29, skipping insertion in model container [2018-12-08 12:31:29,053 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 12:31:29,053 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:31:28" (2/3) ... [2018-12-08 12:31:29,053 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@547e1293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 12:31:29, skipping insertion in model container [2018-12-08 12:31:29,054 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 12:31:29,054 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:31:29" (3/3) ... [2018-12-08 12:31:29,055 INFO L375 chiAutomizerObserver]: Analyzing ICFG simple_false-unreach-call2_true-termination.i [2018-12-08 12:31:29,088 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 12:31:29,089 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-08 12:31:29,089 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-08 12:31:29,089 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-08 12:31:29,089 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 12:31:29,089 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 12:31:29,089 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-08 12:31:29,089 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 12:31:29,089 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-08 12:31:29,098 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-12-08 12:31:29,110 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-12-08 12:31:29,110 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 12:31:29,110 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 12:31:29,114 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-08 12:31:29,114 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-12-08 12:31:29,114 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-08 12:31:29,114 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-12-08 12:31:29,115 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-12-08 12:31:29,115 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 12:31:29,115 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 12:31:29,115 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-08 12:31:29,115 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-12-08 12:31:29,120 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0;havoc main_~x~0; 7#L10-2true [2018-12-08 12:31:29,120 INFO L796 eck$LassoCheckResult]: Loop: 7#L10-2true assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0; 7#L10-2true [2018-12-08 12:31:29,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:31:29,124 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-12-08 12:31:29,125 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:31:29,125 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:31:29,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:31:29,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:31:29,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:31:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:31:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:31:29,175 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:31:29,175 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-12-08 12:31:29,175 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:31:29,175 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:31:29,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:31:29,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:31:29,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:31:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:31:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:31:29,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:31:29,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-12-08 12:31:29,188 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:31:29,188 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:31:29,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:31:29,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:31:29,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:31:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:31:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:31:29,221 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 12:31:29,222 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 12:31:29,222 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 12:31:29,222 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 12:31:29,222 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-08 12:31:29,222 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:31:29,223 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 12:31:29,223 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 12:31:29,223 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call2_true-termination.i_Iteration1_Loop [2018-12-08 12:31:29,223 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 12:31:29,223 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 12:31:29,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:31:29,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:31:29,305 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 12:31:29,305 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_53d33753-9d36-40d9-b9c5-f2ced0067273/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:31:29,308 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 12:31:29,308 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_53d33753-9d36-40d9-b9c5-f2ced0067273/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:31:29,327 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 12:31:29,327 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 12:31:30,009 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-08 12:31:30,013 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 12:31:30,013 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 12:31:30,013 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 12:31:30,013 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 12:31:30,013 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 12:31:30,013 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:31:30,013 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 12:31:30,013 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 12:31:30,013 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call2_true-termination.i_Iteration1_Loop [2018-12-08 12:31:30,013 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 12:31:30,013 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 12:31:30,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:31:30,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:31:30,059 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 12:31:30,062 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 12:31:30,064 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:30,065 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:30,065 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:30,065 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:30,066 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:30,066 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:31:30,067 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 12:31:30,068 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:30,076 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:30,076 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:30,076 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:30,076 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:30,077 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:30,077 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:30,077 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:31:30,077 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 12:31:30,077 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:30,078 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:30,078 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-08 12:31:30,078 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:30,079 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:30,079 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:30,079 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:30,079 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:30,079 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:31:30,080 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:31:30,080 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:30,086 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:30,087 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:30,087 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:30,087 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:30,087 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:30,087 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:30,087 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:31:30,088 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:31:30,088 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:30,088 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:30,089 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-08 12:31:30,089 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:30,089 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:30,089 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:30,089 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:30,089 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:30,089 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:30,090 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:31:30,090 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:30,098 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:30,098 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:30,098 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:30,099 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:30,099 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:30,099 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:30,099 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:30,099 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:31:30,099 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:30,100 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:30,100 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-08 12:31:30,100 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 [2018-12-08 12:31:30,101 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:30,101 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:30,101 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:30,101 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:30,101 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:31:30,102 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:31:30,102 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:30,111 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:30,112 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:30,112 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:30,112 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:30,112 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:30,112 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:30,112 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:31:30,113 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:31:30,113 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:30,114 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:30,114 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-08 12:31:30,114 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:30,114 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:30,114 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:31:30,115 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:30,115 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:30,115 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:30,115 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:31:30,116 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:31:30,116 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:30,133 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:30,133 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:30,134 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:30,134 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:31:30,134 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:30,134 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:30,135 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:30,135 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:31:30,135 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:31:30,135 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:30,136 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:30,136 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-08 12:31:30,137 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:30,137 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:30,138 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 12:31:30,138 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:30,138 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:30,138 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:30,138 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:30,140 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:31:30,140 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:30,161 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:30,161 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:30,162 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:30,162 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 12:31:30,162 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:30,162 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:30,163 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:30,163 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:30,164 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:31:30,164 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:30,166 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:30,166 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-08 12:31:30,166 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 [2018-12-08 12:31:30,167 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:30,167 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:31:30,167 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:30,167 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:30,168 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:30,168 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:31:30,171 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:31:30,171 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:30,206 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:30,206 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:30,207 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:30,207 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:31:30,207 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:30,207 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:30,208 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:30,208 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:31:30,209 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:31:30,210 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:30,211 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:30,211 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-08 12:31:30,211 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:30,212 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:30,212 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:31:30,212 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:30,212 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:30,212 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:30,213 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:30,214 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:31:30,214 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:30,222 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:30,222 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:30,223 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:30,223 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:31:30,223 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:30,223 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:30,224 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:30,224 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:30,224 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:31:30,225 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:30,227 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:30,227 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-08 12:31:30,227 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:30,228 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:30,228 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:31:30,228 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:30,228 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:30,229 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:30,229 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 12:31:30,230 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 12:31:30,231 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:30,243 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:30,244 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:30,244 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:30,244 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:31:30,244 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:30,245 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:30,245 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:30,245 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 12:31:30,246 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 12:31:30,246 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:30,249 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:30,252 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 12:31:30,252 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 12:31:30,252 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 12:31:30,252 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 12:31:30,252 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-08 12:31:30,252 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:31:30,253 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 12:31:30,253 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 12:31:30,253 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call2_true-termination.i_Iteration1_Lasso [2018-12-08 12:31:30,253 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 12:31:30,253 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 12:31:30,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:31:30,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:31:30,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:31:30,300 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 12:31:30,300 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_53d33753-9d36-40d9-b9c5-f2ced0067273/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:31:30,301 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 12:31:30,301 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 12:31:30,306 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 12:31:30,306 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_53d33753-9d36-40d9-b9c5-f2ced0067273/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:31:30,320 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 12:31:30,321 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_53d33753-9d36-40d9-b9c5-f2ced0067273/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:31:30,346 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 12:31:30,346 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 12:31:42,384 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-08 12:31:42,388 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 12:31:42,388 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 12:31:42,388 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 12:31:42,388 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 12:31:42,388 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 12:31:42,388 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:31:42,389 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 12:31:42,389 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 12:31:42,389 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call2_true-termination.i_Iteration1_Lasso [2018-12-08 12:31:42,389 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 12:31:42,389 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 12:31:42,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:31:42,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:31:42,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:31:42,429 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 12:31:42,429 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 12:31:42,430 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:42,430 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:42,431 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:42,431 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:42,431 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:42,431 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:31:42,431 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 12:31:42,431 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:42,433 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:42,434 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:42,434 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:42,434 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:42,435 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:42,435 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:42,435 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:31:42,435 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 12:31:42,435 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:42,436 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:42,436 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:42,437 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:42,437 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:42,437 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:42,437 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:42,437 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:31:42,438 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 12:31:42,438 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:42,438 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:42,439 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-08 12:31:42,439 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:42,439 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:42,439 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:42,440 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:42,440 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:42,440 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:31:42,440 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:31:42,440 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:42,443 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:42,443 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:42,444 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:42,444 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:42,444 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:42,444 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:42,444 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:31:42,445 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:31:42,445 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:42,445 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:42,446 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:42,446 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:42,446 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:42,446 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:42,447 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:42,447 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:31:42,447 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:31:42,447 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:42,448 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:42,448 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-08 12:31:42,448 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:42,449 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:42,449 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:42,449 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:42,449 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:42,449 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:42,450 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:31:42,450 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:42,453 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:42,454 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:42,454 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:42,454 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:42,455 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:42,455 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:42,455 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:42,455 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:31:42,455 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:42,456 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:42,456 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:42,457 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:42,457 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:42,457 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:42,457 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:42,457 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:42,458 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:31:42,458 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:42,459 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:42,459 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-08 12:31:42,459 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:42,459 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:42,460 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:42,460 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:42,460 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:42,460 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:31:42,461 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:31:42,461 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:42,465 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:42,465 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:42,465 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:42,466 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:42,466 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:42,466 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:42,466 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:31:42,467 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:31:42,467 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:42,467 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:42,468 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:42,468 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:42,468 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:42,468 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:42,468 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:42,469 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:31:42,469 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:31:42,469 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:42,470 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:42,470 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-08 12:31:42,470 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:42,471 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:42,471 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:31:42,471 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:42,471 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:42,471 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:42,472 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:31:42,472 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:31:42,472 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:42,480 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:42,481 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:42,481 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:42,482 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:31:42,482 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:42,482 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:42,482 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:42,482 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:31:42,483 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:31:42,483 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:42,483 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:42,484 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:42,484 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:42,484 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:31:42,484 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:42,485 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:42,485 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:42,485 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:31:42,485 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:31:42,485 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:42,486 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:42,486 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-08 12:31:42,487 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:42,487 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:42,487 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 12:31:42,487 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:42,488 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:42,488 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:42,488 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:42,489 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:31:42,489 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:42,502 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:42,503 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:42,503 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:42,504 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 12:31:42,504 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:42,504 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:42,504 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:42,504 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:42,505 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:31:42,505 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:42,506 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:42,507 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:42,507 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:42,507 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 12:31:42,507 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:42,507 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:42,508 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:42,508 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:42,508 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:31:42,509 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:42,510 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:42,510 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-08 12:31:42,510 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:42,511 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:42,511 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:31:42,511 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:42,511 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:42,511 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:42,511 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:31:42,513 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:31:42,514 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:42,533 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:42,534 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:42,534 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:42,534 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:31:42,535 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:42,535 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:42,535 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:42,535 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:31:42,536 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:31:42,536 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:42,537 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:42,537 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:42,538 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:42,538 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:31:42,538 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:42,538 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:42,538 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:42,538 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:31:42,539 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:31:42,540 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:42,540 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:42,541 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-08 12:31:42,541 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:42,541 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:42,542 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:31:42,542 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:42,542 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:42,542 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:42,542 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:42,543 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:31:42,543 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:42,547 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:42,547 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:42,548 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:42,548 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:31:42,548 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:42,548 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:42,548 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:42,549 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:42,549 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:31:42,549 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:42,550 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:42,551 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:42,551 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:42,551 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:31:42,551 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:42,552 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:42,552 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:42,552 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:42,552 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:31:42,552 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:42,554 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:42,554 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-08 12:31:42,554 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:42,555 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:42,555 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:31:42,555 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:42,555 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:42,555 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:42,555 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 12:31:42,557 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 12:31:42,557 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:42,566 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:42,567 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:42,567 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:42,567 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:31:42,568 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:42,568 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:42,568 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:42,568 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 12:31:42,568 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 12:31:42,569 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:42,570 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:42,571 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:42,571 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:42,571 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:31:42,571 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:42,572 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:42,572 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:42,572 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 12:31:42,573 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 12:31:42,573 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:42,576 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:42,576 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-12-08 12:31:42,576 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0;havoc main_~x~0; 7#L10-2true assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0; 7#L10-2true [2018-12-08 12:31:42,576 INFO L796 eck$LassoCheckResult]: Loop: 7#L10-2true assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0; 7#L10-2true [2018-12-08 12:31:42,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:31:42,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2018-12-08 12:31:42,577 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:31:42,577 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:31:42,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:31:42,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:31:42,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:31:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:31:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:31:42,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:31:42,583 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2018-12-08 12:31:42,583 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:31:42,583 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:31:42,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:31:42,584 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 12:31:42,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:31:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:31:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:31:42,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:31:42,588 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2018-12-08 12:31:42,588 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:31:42,588 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:31:42,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:31:42,589 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 12:31:42,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:31:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:31:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:31:42,605 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 12:31:42,605 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 12:31:42,606 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 12:31:42,606 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 12:31:42,606 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-08 12:31:42,606 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:31:42,606 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 12:31:42,606 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 12:31:42,606 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call2_true-termination.i_Iteration1_Loop [2018-12-08 12:31:42,606 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 12:31:42,606 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 12:31:42,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:31:42,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:31:42,649 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 12:31:42,649 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_53d33753-9d36-40d9-b9c5-f2ced0067273/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:31:42,652 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 12:31:42,652 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_53d33753-9d36-40d9-b9c5-f2ced0067273/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:31:42,671 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 12:31:42,671 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 12:31:54,708 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-08 12:31:54,713 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 12:31:54,713 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 12:31:54,713 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 12:31:54,713 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 12:31:54,713 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 12:31:54,713 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:31:54,713 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 12:31:54,714 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 12:31:54,714 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call2_true-termination.i_Iteration1_Loop [2018-12-08 12:31:54,714 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 12:31:54,714 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 12:31:54,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:31:54,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:31:54,747 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 12:31:54,747 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 12:31:54,748 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:54,748 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:54,748 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:54,748 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:54,748 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:54,748 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:31:54,749 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 12:31:54,749 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:54,750 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:54,750 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:54,750 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:54,751 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:54,751 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:54,751 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:54,751 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:31:54,751 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 12:31:54,751 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:54,751 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:54,751 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-08 12:31:54,752 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:54,752 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:54,752 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:54,752 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:54,752 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:54,752 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:31:54,752 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:31:54,753 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:54,754 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:54,754 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:54,754 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:54,754 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:54,754 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:54,755 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:54,755 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:31:54,755 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:31:54,755 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:54,755 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:54,755 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-08 12:31:54,756 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:54,756 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:54,756 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:54,756 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:54,756 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:54,756 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:54,756 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:31:54,756 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:54,758 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:54,758 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:54,759 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:54,759 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:54,759 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:54,759 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:54,759 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:54,759 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:31:54,759 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:54,760 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:54,760 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-08 12:31:54,760 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:54,760 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:54,760 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:54,760 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:54,760 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:54,760 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:31:54,761 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:31:54,761 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:54,763 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:54,763 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:54,763 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:54,763 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:54,763 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:54,764 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:54,764 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:31:54,764 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:31:54,764 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:54,764 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:54,764 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-08 12:31:54,765 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:54,765 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:54,765 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:31:54,765 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:54,765 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:54,765 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:54,765 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:31:54,766 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:31:54,766 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:54,769 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:54,769 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:54,770 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:54,770 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:31:54,770 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:54,770 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:54,770 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:54,770 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:31:54,770 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:31:54,771 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:54,771 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:54,771 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-08 12:31:54,771 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:54,772 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:54,772 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 12:31:54,772 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:54,772 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:54,772 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:54,772 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:54,773 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:31:54,773 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:54,779 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:54,779 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:54,779 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:54,780 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 12:31:54,780 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:54,780 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:54,780 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:54,780 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:54,780 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:31:54,780 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:54,781 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:54,781 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-08 12:31:54,782 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:54,782 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:54,782 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:31:54,782 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:54,782 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:54,782 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:54,782 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:31:54,783 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:31:54,783 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:54,794 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:54,794 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:54,795 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:54,795 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:31:54,795 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:54,795 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:54,795 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:54,795 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:31:54,796 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:31:54,796 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:54,796 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:54,796 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-08 12:31:54,797 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:54,797 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:54,797 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:31:54,797 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:54,797 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:54,797 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:54,797 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:54,798 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:31:54,798 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:54,801 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:54,801 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:54,801 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:54,801 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:31:54,801 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:54,801 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:54,801 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:54,802 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:54,802 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:31:54,802 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:54,803 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:54,803 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-08 12:31:54,803 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:54,803 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:54,804 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:31:54,804 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:54,804 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:54,804 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:54,804 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 12:31:54,804 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 12:31:54,805 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:54,810 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:54,810 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:54,811 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:54,811 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:31:54,811 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:54,811 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:54,811 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:54,811 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 12:31:54,811 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 12:31:54,812 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:54,813 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:54,822 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 12:31:54,822 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 12:31:54,823 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 12:31:54,823 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 12:31:54,823 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-08 12:31:54,823 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:31:54,823 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 12:31:54,823 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 12:31:54,823 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call2_true-termination.i_Iteration1_Lasso [2018-12-08 12:31:54,823 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 12:31:54,823 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 12:31:54,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:31:54,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:31:54,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:31:54,872 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 12:31:54,872 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_53d33753-9d36-40d9-b9c5-f2ced0067273/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:31:54,874 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 12:31:54,874 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_53d33753-9d36-40d9-b9c5-f2ced0067273/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:31:54,892 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 12:31:54,892 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 12:31:59,676 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-08 12:31:59,681 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 12:31:59,681 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 12:31:59,681 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 12:31:59,681 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 12:31:59,681 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 12:31:59,681 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:31:59,681 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 12:31:59,681 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 12:31:59,681 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call2_true-termination.i_Iteration1_Lasso [2018-12-08 12:31:59,681 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 12:31:59,681 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 12:31:59,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:31:59,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:31:59,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:31:59,740 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 12:31:59,740 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 12:31:59,740 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:59,740 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:59,741 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:59,741 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:59,741 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:31:59,742 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 12:31:59,742 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 12:31:59,746 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:59,746 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:59,746 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:59,747 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:59,747 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:59,747 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:59,747 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:31:59,747 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 12:31:59,747 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:59,748 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:59,748 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:59,749 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:59,749 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:59,749 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:59,749 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:59,749 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:31:59,749 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 12:31:59,749 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:59,749 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:59,749 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-08 12:31:59,750 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:59,750 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:59,750 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:59,750 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:59,750 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:31:59,751 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-08 12:31:59,751 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-08 12:31:59,755 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:59,755 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:59,756 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:59,756 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:59,756 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:59,756 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:59,756 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:31:59,756 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:31:59,756 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:59,757 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:59,757 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:59,757 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:59,757 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:59,757 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:59,757 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:59,757 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:31:59,757 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:31:59,758 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:59,758 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:59,758 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-08 12:31:59,758 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:59,758 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:59,759 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:59,759 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:59,759 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:59,760 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 12:31:59,760 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 12:31:59,765 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:59,765 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:59,765 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:59,765 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:59,766 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:59,766 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:59,766 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:59,766 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:31:59,766 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:59,767 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:59,767 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:59,767 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:59,767 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:59,767 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:59,767 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:59,768 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:59,768 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:31:59,768 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:59,768 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:59,768 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-08 12:31:59,768 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:59,769 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:59,769 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:59,769 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:59,769 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:31:59,770 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-08 12:31:59,770 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-08 12:31:59,776 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:59,776 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:59,776 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:59,776 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:59,776 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:59,776 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:59,776 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:31:59,777 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:31:59,777 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:59,777 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:59,777 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:59,778 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:31:59,778 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:59,778 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:59,778 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:59,778 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:31:59,778 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:31:59,778 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:59,779 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:59,779 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-08 12:31:59,779 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:59,779 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:59,779 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:31:59,779 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:59,779 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:59,780 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:31:59,780 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-08 12:31:59,780 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-08 12:31:59,787 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:59,787 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:59,788 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:59,788 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:31:59,788 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:59,788 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:59,788 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:59,788 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:31:59,789 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:31:59,789 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:59,790 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:59,790 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:59,790 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:59,790 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:31:59,791 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:59,791 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:59,791 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:59,791 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:31:59,791 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:31:59,792 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:59,792 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:59,792 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-08 12:31:59,792 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:59,793 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:59,793 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 12:31:59,793 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:59,793 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:59,793 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:59,794 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 12:31:59,794 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 12:31:59,807 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:59,807 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:59,807 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:59,807 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 12:31:59,808 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:59,808 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:59,808 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:59,808 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:59,808 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:31:59,808 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:59,809 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:59,809 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:59,810 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:59,810 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 12:31:59,810 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:59,810 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:59,810 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:59,810 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:59,811 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:31:59,811 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:59,811 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:59,811 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-08 12:31:59,811 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:59,812 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:59,812 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:31:59,812 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:59,812 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:59,812 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:31:59,814 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-08 12:31:59,814 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-08 12:31:59,837 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:59,837 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:59,837 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:59,837 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:31:59,838 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:59,838 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:59,838 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:59,838 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:31:59,838 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:31:59,838 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:59,839 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:59,839 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:59,839 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:59,840 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:31:59,840 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:59,840 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:59,840 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:59,840 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:31:59,840 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:31:59,840 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:59,841 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:59,841 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-08 12:31:59,841 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:59,841 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:59,841 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:31:59,842 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:59,842 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:59,842 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:59,843 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 12:31:59,844 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 12:31:59,850 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:59,850 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:59,850 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:59,850 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:31:59,850 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:59,850 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:59,851 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:59,851 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:59,851 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:31:59,851 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:59,852 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:59,852 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:59,852 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:59,852 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:31:59,852 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:59,852 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:59,853 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:59,853 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:31:59,853 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:31:59,853 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:59,854 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:59,854 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-08 12:31:59,854 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:59,854 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:59,854 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:31:59,854 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:59,854 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:59,854 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 12:31:59,856 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-12-08 12:31:59,856 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-08 12:31:59,907 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:59,907 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:59,907 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:59,908 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:31:59,908 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:59,908 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:59,908 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:59,908 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 12:31:59,908 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 12:31:59,908 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:59,910 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:59,910 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:31:59,910 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:31:59,910 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:31:59,910 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:31:59,911 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:31:59,911 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:31:59,911 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 12:31:59,911 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 12:31:59,911 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:31:59,912 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:31:59,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.12 12:31:59 BoogieIcfgContainer [2018-12-08 12:31:59,916 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-08 12:31:59,916 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:31:59,916 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:31:59,917 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:31:59,917 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:31:29" (3/4) ... [2018-12-08 12:31:59,920 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 12:31:59,920 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:31:59,920 INFO L168 Benchmark]: Toolchain (without parser) took 31159.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 208.7 MB). Free memory was 953.3 MB in the beginning and 1.2 GB in the end (delta: -230.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:31:59,921 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:31:59,921 INFO L168 Benchmark]: CACSL2BoogieTranslator took 117.17 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 945.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-08 12:31:59,922 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.46 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:31:59,922 INFO L168 Benchmark]: Boogie Preprocessor took 40.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-12-08 12:31:59,922 INFO L168 Benchmark]: RCFGBuilder took 111.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2018-12-08 12:31:59,923 INFO L168 Benchmark]: BuchiAutomizer took 30866.96 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 90.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -82.6 MB). Peak memory consumption was 347.1 MB. Max. memory is 11.5 GB. [2018-12-08 12:31:59,923 INFO L168 Benchmark]: Witness Printer took 3.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:31:59,925 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 117.17 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 945.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.46 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 111.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 30866.96 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 90.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -82.6 MB). Peak memory consumption was 347.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 30.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 30.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div487 bol100 ite100 ukn100 eq142 hnf45 smp90 dnf100 smp100 tf103 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 52ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 16.8s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~post0, main_~x~0;havoc main_~x~0;" "assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;" Loop: "assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...