./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 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_39f52fa6-54c3-4f5c-9537-942473092bc9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_39f52fa6-54c3-4f5c-9537-942473092bc9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_39f52fa6-54c3-4f5c-9537-942473092bc9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_39f52fa6-54c3-4f5c-9537-942473092bc9/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_39f52fa6-54c3-4f5c-9537-942473092bc9/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_39f52fa6-54c3-4f5c-9537-942473092bc9/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 0.1.23-0cd3be1 [2018-11-28 11:39:13,283 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:39:13,284 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:39:13,292 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:39:13,292 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:39:13,292 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:39:13,293 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:39:13,294 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:39:13,296 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:39:13,296 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:39:13,297 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:39:13,297 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:39:13,298 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:39:13,299 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:39:13,299 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:39:13,300 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:39:13,301 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:39:13,302 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:39:13,303 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:39:13,304 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:39:13,305 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:39:13,306 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:39:13,308 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:39:13,308 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:39:13,308 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:39:13,309 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:39:13,310 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:39:13,310 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:39:13,311 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:39:13,312 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:39:13,312 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:39:13,312 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:39:13,313 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:39:13,313 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:39:13,313 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:39:13,314 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:39:13,314 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_39f52fa6-54c3-4f5c-9537-942473092bc9/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 11:39:13,325 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:39:13,325 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:39:13,328 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:39:13,328 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:39:13,328 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:39:13,328 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 11:39:13,329 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 11:39:13,329 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 11:39:13,329 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 11:39:13,329 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 11:39:13,329 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 11:39:13,329 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:39:13,329 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:39:13,330 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:39:13,330 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:39:13,330 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:39:13,330 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:39:13,330 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 11:39:13,330 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 11:39:13,330 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 11:39:13,330 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:39:13,331 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:39:13,331 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 11:39:13,331 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:39:13,331 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 11:39:13,331 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:39:13,331 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:39:13,331 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 11:39:13,332 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:39:13,332 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:39:13,332 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 11:39:13,333 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 11:39:13,333 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_39f52fa6-54c3-4f5c-9537-942473092bc9/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 [2018-11-28 11:39:13,356 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:39:13,363 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:39:13,366 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:39:13,367 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:39:13,367 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:39:13,368 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_39f52fa6-54c3-4f5c-9537-942473092bc9/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/simple_false-unreach-call2_true-termination.i [2018-11-28 11:39:13,408 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_39f52fa6-54c3-4f5c-9537-942473092bc9/bin-2019/uautomizer/data/77baf7245/5e434856eec44d039648f31ec0432869/FLAG8e8bf62f5 [2018-11-28 11:39:13,758 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:39:13,758 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_39f52fa6-54c3-4f5c-9537-942473092bc9/sv-benchmarks/c/loop-acceleration/simple_false-unreach-call2_true-termination.i [2018-11-28 11:39:13,762 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_39f52fa6-54c3-4f5c-9537-942473092bc9/bin-2019/uautomizer/data/77baf7245/5e434856eec44d039648f31ec0432869/FLAG8e8bf62f5 [2018-11-28 11:39:14,185 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_39f52fa6-54c3-4f5c-9537-942473092bc9/bin-2019/uautomizer/data/77baf7245/5e434856eec44d039648f31ec0432869 [2018-11-28 11:39:14,187 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:39:14,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:39:14,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:39:14,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:39:14,193 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:39:14,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:39:14" (1/1) ... [2018-11-28 11:39:14,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c466ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:14, skipping insertion in model container [2018-11-28 11:39:14,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:39:14" (1/1) ... [2018-11-28 11:39:14,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:39:14,216 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:39:14,347 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:39:14,351 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:39:14,364 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:39:14,376 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:39:14,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:14 WrapperNode [2018-11-28 11:39:14,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:39:14,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:39:14,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:39:14,378 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:39:14,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:14" (1/1) ... [2018-11-28 11:39:14,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:14" (1/1) ... [2018-11-28 11:39:14,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:39:14,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:39:14,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:39:14,403 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:39:14,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:14" (1/1) ... [2018-11-28 11:39:14,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:14" (1/1) ... [2018-11-28 11:39:14,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:14" (1/1) ... [2018-11-28 11:39:14,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:14" (1/1) ... [2018-11-28 11:39:14,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:14" (1/1) ... [2018-11-28 11:39:14,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:14" (1/1) ... [2018-11-28 11:39:14,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:14" (1/1) ... [2018-11-28 11:39:14,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:39:14,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:39:14,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:39:14,417 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:39:14,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39f52fa6-54c3-4f5c-9537-942473092bc9/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 [2018-11-28 11:39:14,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:39:14,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:39:14,617 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:39:14,617 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 11:39:14,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:39:14 BoogieIcfgContainer [2018-11-28 11:39:14,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:39:14,618 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 11:39:14,618 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 11:39:14,621 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 11:39:14,621 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:39:14,622 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:39:14" (1/3) ... [2018-11-28 11:39:14,622 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7119cd54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:39:14, skipping insertion in model container [2018-11-28 11:39:14,622 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:39:14,622 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:14" (2/3) ... [2018-11-28 11:39:14,623 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7119cd54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:39:14, skipping insertion in model container [2018-11-28 11:39:14,623 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:39:14,623 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:39:14" (3/3) ... [2018-11-28 11:39:14,625 INFO L375 chiAutomizerObserver]: Analyzing ICFG simple_false-unreach-call2_true-termination.i [2018-11-28 11:39:14,664 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:39:14,665 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 11:39:14,665 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 11:39:14,665 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 11:39:14,665 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:39:14,665 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:39:14,665 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 11:39:14,665 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:39:14,666 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 11:39:14,675 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 11:39:14,690 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 11:39:14,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:39:14,690 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:39:14,694 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 11:39:14,695 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 11:39:14,695 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 11:39:14,695 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 11:39:14,696 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 11:39:14,696 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:39:14,696 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:39:14,696 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 11:39:14,696 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 11:39:14,701 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0;havoc main_~x~0; 7#L10-2true [2018-11-28 11:39:14,701 INFO L796 eck$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 [2018-11-28 11:39:14,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:39:14,706 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-28 11:39:14,707 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:39:14,707 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:39:14,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:14,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:39:14,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:39:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:39:14,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:39:14,764 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-11-28 11:39:14,764 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:39:14,765 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:39:14,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:14,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:39:14,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:39:14,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:39:14,779 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:39:14,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-11-28 11:39:14,780 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:39:14,780 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:39:14,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:14,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:39:14,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:39:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:39:14,830 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:39:14,831 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:39:14,831 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:39:14,831 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:39:14,831 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 11:39:14,831 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:39:14,832 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:39:14,832 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:39:14,832 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-28 11:39:14,832 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:39:14,832 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:39:14,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:14,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:14,935 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:39:14,936 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39f52fa6-54c3-4f5c-9537-942473092bc9/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 [2018-11-28 11:39:14,940 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:39:14,940 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39f52fa6-54c3-4f5c-9537-942473092bc9/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 [2018-11-28 11:39:14,969 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 11:39:14,970 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:39:15,737 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 11:39:15,741 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:39:15,741 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:39:15,741 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:39:15,741 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:39:15,741 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 11:39:15,742 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:39:15,742 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:39:15,742 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:39:15,742 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-28 11:39:15,742 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:39:15,742 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:39:15,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:15,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:15,816 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:39:15,819 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 11:39:15,820 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:15,821 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:15,821 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:15,822 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:15,822 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:15,822 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:39:15,824 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:39:15,824 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:15,833 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:15,834 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:15,834 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:15,835 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:15,835 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:15,835 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:15,835 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:39:15,835 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:39:15,835 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:15,837 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:15,837 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 11:39:15,837 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:15,838 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:15,838 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:15,838 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:15,838 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:15,839 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:15,840 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:39:15,840 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:15,849 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:15,850 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:15,850 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:15,851 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:15,851 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:15,851 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:15,851 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:15,852 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:39:15,852 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:15,853 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:15,853 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 11:39:15,853 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:15,853 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:15,854 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:15,854 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:15,854 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:15,854 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:15,855 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:15,855 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:15,864 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:15,865 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:15,865 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:15,865 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:15,865 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:15,865 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:15,866 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:15,866 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:15,866 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:15,867 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:15,867 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 11:39:15,867 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:15,867 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:15,868 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:15,868 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:15,868 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:15,868 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:15,869 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:39:15,869 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:15,881 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:15,881 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:15,882 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:15,882 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:15,882 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:15,882 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:15,882 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:15,883 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:39:15,883 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:15,884 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:15,884 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 11:39:15,884 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:15,884 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:15,885 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:15,885 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:15,885 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:15,885 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:15,885 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:15,886 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:39:15,886 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:15,907 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:15,908 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:15,908 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:15,909 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:15,909 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:15,909 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:15,909 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:15,909 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:15,910 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:39:15,910 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:15,911 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:15,911 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 11:39:15,912 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:15,912 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:15,912 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:39:15,912 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:15,913 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:15,913 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:15,913 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:15,915 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:15,916 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:15,945 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:15,946 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:15,947 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:15,947 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:39:15,947 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:15,947 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:15,947 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:15,947 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:15,948 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:15,949 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:15,951 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:15,951 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 11:39:15,951 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:15,952 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:15,952 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:15,952 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:15,952 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:15,952 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:15,953 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:15,955 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:39:15,956 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:15,992 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:15,992 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:15,993 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:15,993 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:15,993 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:15,993 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:15,994 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:15,994 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:15,995 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:39:15,996 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:15,997 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:15,997 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 11:39:15,997 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:15,998 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:15,998 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:15,998 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:15,998 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:15,998 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:15,998 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:15,999 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:16,000 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:16,008 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:16,008 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:16,009 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:16,009 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:16,009 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:16,009 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:16,009 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:16,010 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:16,010 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:16,010 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:16,012 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:16,012 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 11:39:16,013 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:16,013 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:16,013 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:16,014 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:16,014 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:16,014 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:16,014 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:39:16,016 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:39:16,016 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:16,030 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:16,031 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:16,031 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:16,032 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:16,032 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:16,032 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:16,032 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:16,032 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:39:16,033 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:39:16,033 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:16,037 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:16,052 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:39:16,052 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:39:16,052 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:39:16,052 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:39:16,053 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 11:39:16,053 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:39:16,053 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:39:16,053 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:39:16,053 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-28 11:39:16,053 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:39:16,053 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:39:16,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:16,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:16,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:16,128 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:39:16,128 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39f52fa6-54c3-4f5c-9537-942473092bc9/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 [2018-11-28 11:39:16,131 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:39:16,131 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:39:16,138 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:39:16,138 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_39f52fa6-54c3-4f5c-9537-942473092bc9/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 [2018-11-28 11:39:16,156 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:39:16,156 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39f52fa6-54c3-4f5c-9537-942473092bc9/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 [2018-11-28 11:39:16,176 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 11:39:16,176 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:39:28,254 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 11:39:28,260 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:39:28,261 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:39:28,261 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:39:28,261 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:39:28,261 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 11:39:28,261 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:39:28,261 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:39:28,261 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:39:28,261 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-28 11:39:28,261 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:39:28,261 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:39:28,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:28,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:28,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:28,310 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:39:28,311 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 11:39:28,311 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:28,312 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:28,312 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:28,312 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:28,312 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:28,312 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:39:28,313 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:39:28,313 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:28,315 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:28,316 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:28,316 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:28,316 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:28,316 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:28,316 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:28,317 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:39:28,317 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:39:28,317 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:28,317 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:28,318 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:28,318 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:28,318 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:28,318 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:28,319 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:28,319 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:39:28,319 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:39:28,319 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:28,320 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:28,320 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 11:39:28,320 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:28,321 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:28,321 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:28,321 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:28,321 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:28,321 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:28,322 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:39:28,322 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:28,324 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:28,325 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:28,325 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:28,326 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:28,326 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:28,326 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:28,326 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:28,326 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:39:28,327 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:28,327 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:28,327 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:28,328 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:28,328 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:28,328 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:28,328 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:28,329 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:28,329 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:39:28,329 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:28,330 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:28,330 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 11:39:28,330 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:28,331 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:28,331 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:28,331 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:28,331 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:28,331 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:28,332 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:28,332 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:28,335 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:28,336 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:28,336 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:28,336 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:28,337 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:28,337 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:28,337 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:28,337 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:28,338 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:28,338 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:28,338 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:28,339 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:28,339 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:28,339 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:28,339 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:28,340 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:28,340 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:28,340 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:28,341 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:28,341 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 11:39:28,341 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:28,342 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:28,342 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:28,342 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:28,342 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:28,342 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:28,343 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:39:28,343 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:28,347 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:28,347 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:28,348 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:28,348 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:28,348 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:28,348 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:28,348 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:28,349 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:39:28,349 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:28,350 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:28,350 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:28,350 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:28,351 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:28,351 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:28,351 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:28,351 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:28,351 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:39:28,352 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:28,352 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:28,352 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 11:39:28,353 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:28,353 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:28,353 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:28,354 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:28,354 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:28,354 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:28,354 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:28,355 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:39:28,355 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:28,363 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:28,364 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:28,364 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:28,365 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:28,365 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:28,365 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:28,365 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:28,365 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:28,366 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:39:28,366 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:28,366 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:28,367 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:28,367 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:28,368 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:28,368 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:28,368 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:28,368 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:28,368 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:28,369 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:39:28,369 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:28,370 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:28,370 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 11:39:28,370 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:28,371 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:28,371 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:39:28,371 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:28,371 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:28,371 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:28,371 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:28,373 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:28,373 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:28,390 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:28,390 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:28,391 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:28,391 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:39:28,391 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:28,391 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:28,392 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:28,392 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:28,393 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:28,393 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:28,394 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:28,394 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:28,399 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:28,399 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:39:28,400 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:28,400 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:28,400 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:28,400 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:28,401 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:28,401 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:28,402 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:28,403 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 11:39:28,403 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:28,406 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:28,406 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:28,406 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:28,406 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:28,406 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:28,406 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:28,408 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:39:28,408 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:28,432 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:28,433 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:28,433 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:28,434 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:28,434 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:28,434 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:28,434 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:28,434 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:28,436 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:39:28,437 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:28,438 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:28,438 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:28,439 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:28,439 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:28,439 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:28,441 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:28,441 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:28,441 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:28,443 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:39:28,443 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:28,444 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:28,444 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 11:39:28,444 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:28,445 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:28,445 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:28,445 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:28,445 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:28,445 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:28,445 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:28,446 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:28,446 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:28,454 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:28,455 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:28,455 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:28,455 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:28,455 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:28,456 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:28,456 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:28,456 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:28,456 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:28,457 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:28,458 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:28,458 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:28,459 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:28,459 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:28,459 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:28,459 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:28,463 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:28,463 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:28,464 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:28,464 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:28,466 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:28,466 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 11:39:28,466 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:28,467 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:28,467 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:28,467 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:28,467 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:28,467 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:28,467 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:39:28,469 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:39:28,469 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:28,481 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:28,481 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 [2018-11-28 11:39:28,482 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:28,482 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:28,482 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:28,482 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:28,482 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:28,482 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:39:28,483 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:39:28,483 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:28,485 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:28,486 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:28,486 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:28,486 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:28,487 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:28,487 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:28,487 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:28,487 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:39:28,488 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:39:28,488 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:28,491 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:28,491 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-28 11:39:28,492 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0;havoc main_~x~0; 7#L10-2true assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0; 7#L10-2true [2018-11-28 11:39:28,492 INFO L796 eck$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 [2018-11-28 11:39:28,492 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:39:28,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2018-11-28 11:39:28,492 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:39:28,492 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:39:28,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:28,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:39:28,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:39:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:39:28,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:39:28,499 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2018-11-28 11:39:28,499 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:39:28,499 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:39:28,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:28,500 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:39:28,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:39:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:39:28,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:39:28,506 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2018-11-28 11:39:28,506 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:39:28,506 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:39:28,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:28,507 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:39:28,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:39:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:39:28,542 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:39:28,542 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:39:28,542 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:39:28,542 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:39:28,542 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 11:39:28,542 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:39:28,542 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:39:28,543 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:39:28,543 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-28 11:39:28,543 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:39:28,543 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:39:28,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:28,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:28,654 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:39:28,654 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39f52fa6-54c3-4f5c-9537-942473092bc9/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 [2018-11-28 11:39:28,657 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:39:28,657 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39f52fa6-54c3-4f5c-9537-942473092bc9/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 [2018-11-28 11:39:28,690 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 11:39:28,690 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:39:40,751 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 11:39:40,757 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:39:40,757 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:39:40,757 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:39:40,757 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:39:40,757 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 11:39:40,758 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:39:40,758 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:39:40,758 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:39:40,758 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-28 11:39:40,758 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:39:40,758 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:39:40,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:40,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:40,809 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:39:40,809 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 11:39:40,810 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 [2018-11-28 11:39:40,810 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:40,810 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:40,810 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:40,810 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:40,810 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:39:40,811 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:39:40,811 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:40,813 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:40,813 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:40,814 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:40,814 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:40,814 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:40,814 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:40,814 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:39:40,814 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:39:40,814 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:40,815 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:40,815 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 11:39:40,815 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:40,816 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:40,816 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:40,816 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:40,816 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:40,816 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:40,817 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:39:40,817 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:40,819 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:40,820 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:40,820 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:40,820 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:40,820 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:40,820 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:40,821 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:40,821 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:39:40,821 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:40,822 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:40,822 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 11:39:40,822 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:40,822 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:40,823 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:40,823 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:40,823 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:40,823 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:40,824 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:40,824 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:40,826 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:40,827 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:40,827 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:40,827 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:40,828 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:40,828 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:40,828 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:40,828 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:40,828 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:40,829 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:40,829 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 11:39:40,829 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:40,830 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:40,830 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:40,830 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:40,830 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:40,830 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:40,831 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:39:40,831 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:40,835 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:40,835 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:40,835 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:40,836 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:40,836 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:40,836 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:40,836 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:40,836 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:39:40,837 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:40,837 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:40,837 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 11:39:40,838 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:40,838 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:40,838 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:40,838 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:40,839 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:40,839 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:40,839 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:40,840 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:39:40,840 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:40,846 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:40,846 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:40,847 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:40,847 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:40,847 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:40,847 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:40,847 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:40,847 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:40,848 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:39:40,848 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:40,849 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:40,849 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 11:39:40,849 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:40,850 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:40,850 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:39:40,850 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:40,850 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:40,850 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:40,851 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:40,852 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:40,852 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:40,861 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:40,861 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:40,862 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:40,862 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:39:40,862 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:40,862 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:40,862 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:40,863 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:40,863 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:40,864 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:40,865 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:40,865 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 11:39:40,865 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:40,866 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:40,866 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:40,866 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:40,866 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:40,866 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:40,867 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:40,868 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:39:40,869 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:40,884 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:40,884 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:40,885 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:40,885 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:40,885 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:40,885 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:40,885 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:40,885 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:40,886 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:39:40,887 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:40,887 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:40,887 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 11:39:40,888 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:40,888 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:40,888 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:40,889 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:40,889 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:40,889 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:40,889 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:40,890 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:40,890 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:40,894 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:40,895 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:40,895 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:40,895 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:40,895 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:40,896 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:40,896 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:40,896 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:40,896 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:40,897 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:40,898 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:40,898 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 11:39:40,899 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:40,899 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:40,899 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:40,899 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:40,900 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:40,900 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:40,900 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:39:40,901 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:39:40,901 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:40,909 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:40,910 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 [2018-11-28 11:39:40,910 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:40,910 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:40,911 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:40,911 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:40,911 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:40,911 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:39:40,912 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:39:40,912 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:40,914 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:40,944 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:39:40,944 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:39:40,944 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:39:40,944 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:39:40,944 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 11:39:40,944 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:39:40,944 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:39:40,945 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:39:40,945 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-28 11:39:40,945 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:39:40,945 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:39:40,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:40,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:40,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:41,025 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:39:41,026 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39f52fa6-54c3-4f5c-9537-942473092bc9/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 [2018-11-28 11:39:41,032 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:39:41,033 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39f52fa6-54c3-4f5c-9537-942473092bc9/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 [2018-11-28 11:39:41,051 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 11:39:41,051 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:39:46,534 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 11:39:46,539 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:39:46,540 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:39:46,540 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:39:46,540 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:39:46,540 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 11:39:46,540 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:39:46,540 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:39:46,540 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:39:46,540 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-28 11:39:46,540 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:39:46,540 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:39:46,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:46,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:46,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:46,619 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:39:46,619 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 11:39:46,619 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:46,620 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:46,620 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:46,620 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:46,620 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:39:46,621 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:39:46,622 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 11:39:46,625 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:46,625 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:46,626 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:46,626 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:46,626 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:46,626 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:46,626 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:39:46,626 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:39:46,626 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:46,627 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:46,627 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:46,627 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:46,627 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:46,627 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:46,627 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:46,627 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:39:46,628 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:39:46,628 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:46,628 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:46,628 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 11:39:46,628 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:46,629 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:46,629 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:46,629 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:46,629 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:46,630 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 11:39:46,630 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 11:39:46,634 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:46,635 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:46,635 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:46,635 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:46,635 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:46,635 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:46,636 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:46,636 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:39:46,636 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:46,636 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:46,637 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:46,637 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:46,637 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:46,637 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:46,637 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:46,637 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:46,637 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:39:46,637 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:46,638 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:46,638 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 11:39:46,638 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:46,638 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:46,638 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:46,639 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:46,639 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:46,640 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 11:39:46,640 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 11:39:46,648 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:46,648 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:46,649 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:46,649 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:46,649 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:46,649 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:46,649 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:46,650 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:46,650 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:46,650 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:46,650 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:46,651 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:46,651 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:46,651 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:46,651 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:46,651 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:46,651 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:46,651 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:46,652 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:46,652 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 11:39:46,652 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:46,652 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:46,652 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:46,652 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:46,652 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:46,654 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 11:39:46,654 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 11:39:46,661 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:46,661 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:46,662 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:46,662 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:46,662 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:46,662 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:46,662 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:46,662 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:39:46,663 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:46,663 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:46,663 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:46,664 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:46,664 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:46,664 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:46,664 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:46,664 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:46,665 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:39:46,665 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:46,665 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:46,665 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 11:39:46,666 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:46,666 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:46,666 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:46,666 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:46,667 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:46,667 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:46,668 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 11:39:46,668 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 11:39:46,681 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:46,682 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:46,682 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:46,682 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:46,682 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:46,683 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:46,683 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:46,683 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:46,683 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:39:46,683 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:46,684 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:46,684 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:46,685 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:46,685 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:46,685 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:46,685 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:46,685 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:46,685 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:46,686 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:39:46,686 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:46,686 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:46,687 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 11:39:46,687 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:46,687 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:46,688 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:39:46,688 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:46,688 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:46,688 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:46,690 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 11:39:46,690 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 11:39:46,712 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:46,712 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:46,713 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:46,713 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:39:46,713 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:46,713 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:46,714 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:46,714 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:46,714 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:46,714 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:46,715 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:46,716 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:46,716 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:46,716 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:39:46,717 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:46,717 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:46,717 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:46,717 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:46,718 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:46,718 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:46,718 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:46,719 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 11:39:46,719 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:46,719 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:46,720 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:46,720 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:46,720 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:46,720 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:46,723 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 11:39:46,723 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 11:39:46,788 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:46,789 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:46,789 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:46,789 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:46,789 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:46,790 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:46,790 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:46,790 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:46,791 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:39:46,791 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:46,791 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:46,792 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 [2018-11-28 11:39:46,792 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:46,792 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:46,792 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:46,793 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:46,793 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:46,793 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:46,794 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:39:46,794 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:46,794 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:46,794 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 11:39:46,795 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:46,795 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:46,795 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:46,795 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:46,795 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:46,795 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:46,797 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 11:39:46,797 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 11:39:46,806 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:46,806 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:46,806 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:46,807 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:46,807 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:46,807 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:46,807 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:46,807 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:46,807 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:46,807 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:46,808 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:46,809 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 [2018-11-28 11:39:46,809 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:46,809 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:46,809 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:46,809 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:46,810 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:46,810 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:46,810 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:46,810 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:46,811 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:46,811 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 11:39:46,811 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 [2018-11-28 11:39:46,812 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:46,812 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:46,812 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:46,812 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:46,812 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:39:46,814 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 11:39:46,814 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 11:39:46,829 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:46,829 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:46,830 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:46,830 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:46,830 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:46,830 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:46,830 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:46,831 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:39:46,831 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:39:46,831 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:46,833 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:46,834 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:46,834 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:46,834 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:46,835 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:46,835 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:46,835 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:46,835 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:39:46,835 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:39:46,835 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:46,837 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:46,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:39:46 BoogieIcfgContainer [2018-11-28 11:39:46,843 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 11:39:46,843 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:39:46,843 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:39:46,843 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:39:46,844 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:39:14" (3/4) ... [2018-11-28 11:39:46,847 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 11:39:46,847 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:39:46,848 INFO L168 Benchmark]: Toolchain (without parser) took 32659.52 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 226.5 MB). Free memory was 958.7 MB in the beginning and 1.2 GB in the end (delta: -223.5 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:39:46,849 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:39:46,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 187.40 ms. Allocated memory is still 1.0 GB. Free memory was 958.7 MB in the beginning and 950.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:39:46,850 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.82 ms. Allocated memory is still 1.0 GB. Free memory is still 948.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:39:46,850 INFO L168 Benchmark]: Boogie Preprocessor took 13.68 ms. Allocated memory is still 1.0 GB. Free memory is still 948.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:39:46,850 INFO L168 Benchmark]: RCFGBuilder took 201.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 948.0 MB in the beginning and 1.1 GB in the end (delta: -188.6 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:39:46,851 INFO L168 Benchmark]: BuchiAutomizer took 32224.47 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -45.6 MB). Peak memory consumption was 318.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:39:46,851 INFO L168 Benchmark]: Witness Printer took 3.93 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:39:46,854 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 187.40 ms. Allocated memory is still 1.0 GB. Free memory was 958.7 MB in the beginning and 950.6 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 24.82 ms. Allocated memory is still 1.0 GB. Free memory is still 948.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.68 ms. Allocated memory is still 1.0 GB. Free memory is still 948.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 201.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 948.0 MB in the beginning and 1.1 GB in the end (delta: -188.6 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 32224.47 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -45.6 MB). Peak memory consumption was 318.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.93 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 32.1s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 32.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: 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: 17ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 17.6s - 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...