./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/simple_true-unreach-call3_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1a62b764-7524-46d0-9367-116f5e7a3330/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1a62b764-7524-46d0-9367-116f5e7a3330/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1a62b764-7524-46d0-9367-116f5e7a3330/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1a62b764-7524-46d0-9367-116f5e7a3330/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/simple_true-unreach-call3_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1a62b764-7524-46d0-9367-116f5e7a3330/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1a62b764-7524-46d0-9367-116f5e7a3330/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 d57e8ddb55bdff7b186468e47377e815829f9014 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 09:27:03,985 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:27:03,986 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:27:03,992 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:27:03,992 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:27:03,992 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:27:03,993 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:27:03,994 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:27:03,995 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:27:03,995 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:27:03,996 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:27:03,996 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:27:03,996 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:27:03,997 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:27:03,998 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:27:03,998 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:27:03,998 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:27:03,999 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:27:04,000 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:27:04,001 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:27:04,002 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:27:04,002 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:27:04,004 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:27:04,004 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:27:04,004 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:27:04,004 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:27:04,005 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:27:04,005 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:27:04,006 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:27:04,006 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:27:04,006 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:27:04,007 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:27:04,007 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:27:04,007 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:27:04,008 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:27:04,008 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:27:04,008 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1a62b764-7524-46d0-9367-116f5e7a3330/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-09 09:27:04,016 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:27:04,017 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:27:04,017 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 09:27:04,018 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 09:27:04,018 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 09:27:04,018 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-09 09:27:04,018 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-09 09:27:04,018 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-09 09:27:04,018 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-09 09:27:04,018 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-09 09:27:04,018 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-09 09:27:04,018 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:27:04,019 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:27:04,019 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 09:27:04,019 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:27:04,019 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:27:04,019 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:27:04,019 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-09 09:27:04,019 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-09 09:27:04,019 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-09 09:27:04,019 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:27:04,019 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:27:04,019 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-09 09:27:04,019 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 09:27:04,020 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-09 09:27:04,020 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:27:04,020 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 09:27:04,020 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-09 09:27:04,020 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:27:04,020 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 09:27:04,020 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-09 09:27:04,021 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-09 09:27:04,021 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_1a62b764-7524-46d0-9367-116f5e7a3330/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 -> d57e8ddb55bdff7b186468e47377e815829f9014 [2018-12-09 09:27:04,039 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:27:04,048 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:27:04,051 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:27:04,052 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:27:04,052 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:27:04,053 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1a62b764-7524-46d0-9367-116f5e7a3330/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/simple_true-unreach-call3_true-termination.i [2018-12-09 09:27:04,090 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a62b764-7524-46d0-9367-116f5e7a3330/bin-2019/uautomizer/data/b3cc6dba4/5b06d7cff98f4369b7766a4a40918438/FLAGfa1ebce0f [2018-12-09 09:27:04,505 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:27:04,505 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1a62b764-7524-46d0-9367-116f5e7a3330/sv-benchmarks/c/loop-acceleration/simple_true-unreach-call3_true-termination.i [2018-12-09 09:27:04,508 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a62b764-7524-46d0-9367-116f5e7a3330/bin-2019/uautomizer/data/b3cc6dba4/5b06d7cff98f4369b7766a4a40918438/FLAGfa1ebce0f [2018-12-09 09:27:04,516 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1a62b764-7524-46d0-9367-116f5e7a3330/bin-2019/uautomizer/data/b3cc6dba4/5b06d7cff98f4369b7766a4a40918438 [2018-12-09 09:27:04,518 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:27:04,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:27:04,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:27:04,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:27:04,521 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:27:04,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:27:04" (1/1) ... [2018-12-09 09:27:04,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49e0d67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:27:04, skipping insertion in model container [2018-12-09 09:27:04,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:27:04" (1/1) ... [2018-12-09 09:27:04,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:27:04,535 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:27:04,616 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:27:04,618 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:27:04,626 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:27:04,633 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:27:04,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:27:04 WrapperNode [2018-12-09 09:27:04,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:27:04,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:27:04,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:27:04,634 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:27:04,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:27:04" (1/1) ... [2018-12-09 09:27:04,642 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:27:04" (1/1) ... [2018-12-09 09:27:04,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:27:04,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:27:04,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:27:04,652 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:27:04,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:27:04" (1/1) ... [2018-12-09 09:27:04,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:27:04" (1/1) ... [2018-12-09 09:27:04,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:27:04" (1/1) ... [2018-12-09 09:27:04,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:27:04" (1/1) ... [2018-12-09 09:27:04,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:27:04" (1/1) ... [2018-12-09 09:27:04,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:27:04" (1/1) ... [2018-12-09 09:27:04,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:27:04" (1/1) ... [2018-12-09 09:27:04,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:27:04,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:27:04,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:27:04,663 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:27:04,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:27:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a62b764-7524-46d0-9367-116f5e7a3330/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:27:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:27:04,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:27:04,807 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:27:04,807 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 09:27:04,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:27:04 BoogieIcfgContainer [2018-12-09 09:27:04,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:27:04,808 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-09 09:27:04,808 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-09 09:27:04,811 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-09 09:27:04,812 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 09:27:04,812 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.12 09:27:04" (1/3) ... [2018-12-09 09:27:04,813 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@477deeb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 09:27:04, skipping insertion in model container [2018-12-09 09:27:04,813 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 09:27:04,813 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:27:04" (2/3) ... [2018-12-09 09:27:04,814 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@477deeb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 09:27:04, skipping insertion in model container [2018-12-09 09:27:04,814 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 09:27:04,814 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:27:04" (3/3) ... [2018-12-09 09:27:04,815 INFO L375 chiAutomizerObserver]: Analyzing ICFG simple_true-unreach-call3_true-termination.i [2018-12-09 09:27:04,860 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 09:27:04,861 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-09 09:27:04,861 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-09 09:27:04,861 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-09 09:27:04,861 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 09:27:04,861 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 09:27:04,861 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-09 09:27:04,861 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 09:27:04,861 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-09 09:27:04,869 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-12-09 09:27:04,882 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-12-09 09:27:04,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 09:27:04,882 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 09:27:04,888 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-09 09:27:04,888 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-12-09 09:27:04,888 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-09 09:27:04,888 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-12-09 09:27:04,889 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-12-09 09:27:04,889 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 09:27:04,889 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 09:27:04,889 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-09 09:27:04,889 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-12-09 09:27:04,895 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~N~0;main_~x~0 := 0;main_~N~0 := main_#t~nondet0;havoc main_#t~nondet0; 3#L12-2true [2018-12-09 09:27:04,895 INFO L796 eck$LassoCheckResult]: Loop: 3#L12-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 3#L12-2true [2018-12-09 09:27:04,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:27:04,898 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-12-09 09:27:04,900 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:27:04,900 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:27:04,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:27:04,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:27:04,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:27:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:27:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:27:04,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:27:04,963 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-12-09 09:27:04,963 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:27:04,963 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:27:04,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:27:04,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:27:04,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:27:04,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:27:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:27:04,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:27:04,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-12-09 09:27:04,972 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:27:04,972 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:27:04,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:27:04,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:27:04,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:27:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:27:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:27:05,011 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 09:27:05,012 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 09:27:05,012 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 09:27:05,012 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 09:27:05,012 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 09:27:05,012 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:27:05,012 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 09:27:05,012 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 09:27:05,012 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2018-12-09 09:27:05,013 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 09:27:05,013 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 09:27:05,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:27:05,113 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 09:27:05,114 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a62b764-7524-46d0-9367-116f5e7a3330/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:27:05,117 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 09:27:05,118 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a62b764-7524-46d0-9367-116f5e7a3330/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:27:05,141 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 09:27:05,142 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 09:27:17,204 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-09 09:27:17,211 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 09:27:17,211 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 09:27:17,212 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 09:27:17,212 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 09:27:17,212 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 09:27:17,212 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:27:17,212 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 09:27:17,212 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 09:27:17,212 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2018-12-09 09:27:17,212 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 09:27:17,212 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 09:27:17,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:27:17,270 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 09:27:17,273 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 09:27:17,274 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:17,275 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:17,275 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:17,275 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:17,275 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:17,276 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 09:27:17,277 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 09:27:17,277 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:17,286 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:17,286 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-09 09:27:17,287 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:17,287 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:17,287 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:17,288 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:17,288 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:17,288 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:27:17,289 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 09:27:17,289 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:17,298 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:17,299 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-09 09:27:17,299 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:17,300 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:17,300 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:17,300 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:17,300 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:17,300 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:27:17,301 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:27:17,302 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:17,312 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:17,313 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-09 09:27:17,313 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:17,313 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:17,314 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:17,314 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:17,314 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:17,314 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:27:17,315 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 09:27:17,315 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:17,327 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:17,327 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-09 09:27:17,327 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 [2018-12-09 09:27:17,328 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:17,328 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:27:17,328 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:17,328 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:17,329 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:17,329 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:27:17,330 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 09:27:17,330 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:17,354 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:17,354 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-09 09:27:17,354 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:17,355 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:17,356 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 09:27:17,356 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:17,356 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:17,356 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:17,356 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:27:17,358 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:27:17,358 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:17,387 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:17,387 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-09 09:27:17,387 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:17,388 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:17,388 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:27:17,389 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:17,389 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:17,389 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:17,389 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:27:17,392 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 09:27:17,392 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:17,429 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:17,429 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-09 09:27:17,430 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:17,430 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:17,431 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:27:17,431 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:17,431 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:17,431 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:17,431 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:27:17,432 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:27:17,432 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:17,440 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:17,440 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-09 09:27:17,440 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:17,441 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:17,441 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:27:17,441 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:17,442 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:17,442 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:17,442 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 09:27:17,443 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 09:27:17,444 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:17,457 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:17,474 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 09:27:17,474 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 09:27:17,474 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 09:27:17,474 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 09:27:17,474 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 09:27:17,474 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:27:17,474 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 09:27:17,474 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 09:27:17,474 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2018-12-09 09:27:17,474 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 09:27:17,474 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 09:27:17,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:27:17,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:27:17,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:27:17,548 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 09:27:17,548 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a62b764-7524-46d0-9367-116f5e7a3330/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:27:17,550 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 09:27:17,550 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 09:27:17,554 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 09:27:17,554 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a62b764-7524-46d0-9367-116f5e7a3330/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:27:17,571 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 09:27:17,571 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a62b764-7524-46d0-9367-116f5e7a3330/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:27:17,591 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 09:27:17,591 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 09:27:29,649 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-09 09:27:29,658 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 09:27:29,658 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 09:27:29,658 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 09:27:29,658 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 09:27:29,658 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 09:27:29,658 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:27:29,658 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 09:27:29,658 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 09:27:29,658 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2018-12-09 09:27:29,659 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 09:27:29,659 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 09:27:29,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:27:29,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:27:29,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:27:29,736 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 09:27:29,736 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 09:27:29,736 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:29,737 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:29,737 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:29,737 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:29,737 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 09:27:29,739 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 09:27:29,739 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 09:27:29,745 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:29,746 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:29,746 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:29,746 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:29,747 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:29,747 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:29,747 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 09:27:29,747 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 09:27:29,747 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:29,748 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:29,748 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:29,748 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:29,749 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:29,749 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:29,749 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:29,749 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 09:27:29,749 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 09:27:29,749 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:29,750 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:29,750 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-09 09:27:29,750 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:29,751 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:29,751 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:29,751 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:29,751 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:27:29,753 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-09 09:27:29,753 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-09 09:27:29,762 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:29,762 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:29,762 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:29,762 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:29,763 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:29,763 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:29,763 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:27:29,763 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 09:27:29,763 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:29,764 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:29,764 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:29,765 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:29,765 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:29,765 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:29,765 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:29,765 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:27:29,765 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 09:27:29,766 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:29,766 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:29,766 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-09 09:27:29,766 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:29,767 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:29,767 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:29,767 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:29,767 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:27:29,769 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-09 09:27:29,769 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-09 09:27:29,779 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:29,779 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:29,780 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:29,780 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:29,780 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:29,780 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:29,780 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:27:29,781 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:27:29,781 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:29,782 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:29,782 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:29,782 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:29,782 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:29,782 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:29,783 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:29,783 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:27:29,783 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:27:29,783 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:29,784 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:29,784 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-09 09:27:29,784 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:29,784 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:29,785 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:29,785 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:29,785 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:27:29,787 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-09 09:27:29,787 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-09 09:27:29,798 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:29,798 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:29,798 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:29,799 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:29,799 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:29,799 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:29,799 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:27:29,799 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 09:27:29,800 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:29,800 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:29,800 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:29,801 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:29,801 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:29,801 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:29,801 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:29,801 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:27:29,802 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 09:27:29,802 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:29,802 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:29,802 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-09 09:27:29,803 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:29,803 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:29,803 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:27:29,803 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:29,804 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:29,804 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:27:29,805 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-09 09:27:29,805 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-09 09:27:29,822 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:29,822 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 [2018-12-09 09:27:29,823 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:29,823 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:27:29,823 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:29,823 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:29,823 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:29,823 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:27:29,824 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 09:27:29,824 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:29,825 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:29,825 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:29,825 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:29,825 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:27:29,825 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:29,826 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:29,826 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:29,826 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:27:29,826 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 09:27:29,827 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:29,827 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:29,827 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-09 09:27:29,828 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:29,828 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:29,828 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 09:27:29,828 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:29,828 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:29,829 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:27:29,831 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-09 09:27:29,831 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-09 09:27:29,858 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:29,859 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:29,859 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:29,860 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 09:27:29,860 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:29,860 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:29,860 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:29,860 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:27:29,861 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:27:29,861 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:29,862 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:29,862 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:29,862 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:29,863 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 09:27:29,863 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:29,863 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:29,863 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:29,863 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:27:29,864 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:27:29,864 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:29,865 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:29,865 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-09 09:27:29,865 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 [2018-12-09 09:27:29,866 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:29,866 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:27:29,866 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:29,866 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:29,866 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:27:29,869 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-09 09:27:29,869 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-09 09:27:29,918 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:29,918 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:29,919 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:29,919 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:27:29,919 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:29,919 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:29,919 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:29,919 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:27:29,920 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 09:27:29,920 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:29,921 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:29,921 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:29,921 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:29,921 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:27:29,922 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:29,922 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:29,922 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:29,922 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:27:29,923 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 09:27:29,923 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:29,923 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:29,924 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-09 09:27:29,924 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:29,924 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:29,924 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:27:29,925 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:29,925 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:29,925 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:27:29,926 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-09 09:27:29,927 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-09 09:27:29,940 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:29,940 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:29,941 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:29,941 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:27:29,941 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:29,941 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:29,941 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:29,941 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:27:29,942 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:27:29,942 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:29,943 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:29,943 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:29,944 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:29,944 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:27:29,944 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:29,944 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:29,944 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:29,944 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:27:29,945 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:27:29,945 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:29,946 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:29,946 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-09 09:27:29,946 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 [2018-12-09 09:27:29,947 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:29,947 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:27:29,947 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:29,947 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:29,947 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 09:27:29,950 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-12-09 09:27:29,950 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-09 09:27:29,984 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:29,984 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:29,985 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:29,985 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:27:29,985 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:29,985 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:29,985 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:29,985 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 09:27:29,986 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 09:27:29,986 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:29,987 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:29,987 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:29,988 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:29,988 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:27:29,988 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:29,988 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:29,988 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:29,988 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 09:27:29,989 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 09:27:29,989 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:29,990 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:29,990 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-12-09 09:27:29,991 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~N~0;main_~x~0 := 0;main_~N~0 := main_#t~nondet0;havoc main_#t~nondet0; 3#L12-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 3#L12-2true [2018-12-09 09:27:29,991 INFO L796 eck$LassoCheckResult]: Loop: 3#L12-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 3#L12-2true [2018-12-09 09:27:29,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:27:29,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2018-12-09 09:27:29,991 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:27:29,991 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:27:29,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:27:29,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:27:29,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:27:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:27:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:27:29,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:27:29,997 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2018-12-09 09:27:29,997 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:27:29,997 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:27:29,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:27:29,998 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 09:27:29,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:27:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:27:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:27:30,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:27:30,001 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2018-12-09 09:27:30,001 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:27:30,001 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:27:30,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:27:30,001 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 09:27:30,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:27:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:27:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:27:30,021 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 09:27:30,021 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 09:27:30,021 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 09:27:30,022 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 09:27:30,022 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 09:27:30,022 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:27:30,022 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 09:27:30,022 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 09:27:30,022 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2018-12-09 09:27:30,022 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 09:27:30,022 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 09:27:30,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:27:30,074 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 09:27:30,074 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a62b764-7524-46d0-9367-116f5e7a3330/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:27:30,076 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 09:27:30,077 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a62b764-7524-46d0-9367-116f5e7a3330/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:27:30,104 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 09:27:30,104 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 09:27:44,205 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-09 09:27:44,214 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 09:27:44,214 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 09:27:44,214 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 09:27:44,214 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 09:27:44,214 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 09:27:44,215 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:27:44,215 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 09:27:44,215 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 09:27:44,215 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2018-12-09 09:27:44,215 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 09:27:44,215 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 09:27:44,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:27:44,269 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 09:27:44,269 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 09:27:44,270 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:44,270 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:44,270 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:44,270 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:44,270 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:44,270 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 09:27:44,271 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 09:27:44,271 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:44,273 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:44,273 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-09 09:27:44,273 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:44,273 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:44,274 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:44,274 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:44,274 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:44,274 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:27:44,275 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 09:27:44,275 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:44,277 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:44,278 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-09 09:27:44,278 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:44,278 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:44,278 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:44,279 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:44,279 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:44,279 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:27:44,279 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:27:44,280 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:44,283 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:44,283 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-09 09:27:44,283 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:44,284 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:44,284 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:44,284 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:44,284 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:44,284 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:27:44,285 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 09:27:44,285 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:44,289 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:44,289 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-09 09:27:44,289 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:44,289 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:44,290 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:27:44,290 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:44,290 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:44,290 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:44,290 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:27:44,291 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 09:27:44,291 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:44,298 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:44,299 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-09 09:27:44,299 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:44,300 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:44,300 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 09:27:44,300 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:44,300 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:44,300 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:44,300 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:27:44,301 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:27:44,302 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:44,315 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:44,315 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-09 09:27:44,315 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:44,315 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:44,316 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:27:44,316 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:44,316 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:44,316 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:44,316 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:27:44,317 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 09:27:44,317 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:44,365 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:44,366 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-09 09:27:44,366 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:44,366 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:44,366 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:27:44,366 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:44,367 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:44,367 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:44,367 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:27:44,367 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:27:44,368 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:44,371 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:44,371 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-09 09:27:44,371 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:44,372 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:44,372 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:27:44,372 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:44,372 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:44,372 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:44,372 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 09:27:44,373 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 09:27:44,373 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:44,380 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:44,397 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 09:27:44,397 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 09:27:44,397 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 09:27:44,397 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 09:27:44,397 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 09:27:44,397 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:27:44,397 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 09:27:44,397 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 09:27:44,397 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2018-12-09 09:27:44,397 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 09:27:44,398 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 09:27:44,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:27:44,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:27:44,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:27:44,473 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 09:27:44,473 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a62b764-7524-46d0-9367-116f5e7a3330/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:27:44,474 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 09:27:44,474 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 09:27:44,477 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 09:27:44,477 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a62b764-7524-46d0-9367-116f5e7a3330/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:27:44,502 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 09:27:44,502 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 09:27:44,504 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 09:27:44,504 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a62b764-7524-46d0-9367-116f5e7a3330/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:27:44,521 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 09:27:44,521 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a62b764-7524-46d0-9367-116f5e7a3330/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:27:44,539 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 09:27:44,539 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 09:27:58,349 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-09 09:27:58,357 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 09:27:58,357 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 09:27:58,357 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 09:27:58,358 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 09:27:58,358 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 09:27:58,358 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:27:58,358 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 09:27:58,358 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 09:27:58,358 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2018-12-09 09:27:58,358 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 09:27:58,358 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 09:27:58,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:27:58,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:27:58,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:27:58,424 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 09:27:58,424 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 09:27:58,425 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:58,425 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:58,425 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:58,425 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:58,425 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:58,426 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 09:27:58,426 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 09:27:58,426 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:58,426 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:58,427 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:58,427 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:58,427 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:58,427 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:58,427 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 09:27:58,428 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 09:27:58,428 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 09:27:58,433 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:58,433 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 [2018-12-09 09:27:58,433 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:58,434 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:58,434 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:58,434 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:58,434 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 09:27:58,434 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 09:27:58,434 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:58,435 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:58,435 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-09 09:27:58,435 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:58,435 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:58,435 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:58,435 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:58,436 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:58,436 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:27:58,436 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 09:27:58,436 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:58,436 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:58,436 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:58,437 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:58,437 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:58,437 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:58,437 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:27:58,438 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-09 09:27:58,438 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-09 09:27:58,445 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:58,446 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:58,446 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:58,446 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:58,446 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:58,446 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:58,446 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:27:58,446 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 09:27:58,447 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:58,447 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:58,447 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-09 09:27:58,447 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:58,447 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:58,447 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:58,448 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:58,448 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:58,448 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:27:58,448 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:27:58,448 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:58,449 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:58,449 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:58,449 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:58,449 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:58,449 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:58,449 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:27:58,451 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-09 09:27:58,451 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-09 09:27:58,461 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:58,461 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:58,461 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:58,461 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:58,462 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:58,462 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:58,462 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:27:58,462 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:27:58,462 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:58,462 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:58,462 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-09 09:27:58,463 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:58,463 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:58,463 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:58,463 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:58,463 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:58,463 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:27:58,464 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 09:27:58,464 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:58,464 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:58,464 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:58,465 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:58,465 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:58,465 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:58,465 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:27:58,467 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-09 09:27:58,467 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-09 09:27:58,477 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:58,478 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:58,478 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:27:58,478 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:58,478 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:58,479 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:58,479 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:27:58,479 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 09:27:58,479 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:58,479 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:58,479 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-09 09:27:58,480 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:58,480 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:58,480 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:27:58,480 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:58,480 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:58,480 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:58,481 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:27:58,481 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 09:27:58,481 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:58,481 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:58,482 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:58,482 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:58,482 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:27:58,482 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:58,482 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:58,482 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:27:58,484 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-09 09:27:58,484 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-09 09:27:58,499 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:58,500 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:58,500 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:58,500 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:27:58,500 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:58,500 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:58,500 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:58,501 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:27:58,501 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 09:27:58,501 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:58,501 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:58,501 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-09 09:27:58,502 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:58,502 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:58,502 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 09:27:58,502 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:58,502 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:58,502 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:58,503 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:27:58,503 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:27:58,503 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:58,504 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:58,504 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:58,504 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:58,504 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 09:27:58,505 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:58,505 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:58,505 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:27:58,507 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-09 09:27:58,507 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-09 09:27:58,545 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:58,545 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:58,546 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:58,546 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 09:27:58,546 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:58,546 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:58,546 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:58,546 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:27:58,547 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:27:58,547 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:58,548 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:58,548 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-09 09:27:58,548 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:58,548 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:58,549 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:27:58,549 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:58,549 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:58,549 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:58,549 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:27:58,550 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 09:27:58,550 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:58,550 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:58,551 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:58,551 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:58,551 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:27:58,552 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:58,552 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:58,552 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:27:58,555 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-09 09:27:58,555 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-09 09:27:58,613 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:58,614 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:58,614 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:58,614 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:27:58,614 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:58,614 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:58,614 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:58,615 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:27:58,615 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 09:27:58,615 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:58,616 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:58,616 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-09 09:27:58,616 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:58,616 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:58,616 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:27:58,617 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:58,617 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:58,617 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:58,617 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:27:58,617 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:27:58,617 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:58,618 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:58,618 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:58,618 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:58,619 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:27:58,619 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:58,619 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:58,619 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:27:58,620 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-09 09:27:58,621 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-09 09:27:58,635 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:58,635 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 [2018-12-09 09:27:58,635 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:58,635 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:27:58,635 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:58,636 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:58,636 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:58,636 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:27:58,636 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:27:58,636 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:58,637 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:58,637 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-09 09:27:58,637 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 [2018-12-09 09:27:58,638 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:58,638 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:27:58,638 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:58,638 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:58,638 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:58,638 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 09:27:58,638 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 09:27:58,639 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:58,640 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:58,640 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:58,640 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:58,640 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:27:58,640 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:58,641 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:58,641 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 09:27:58,643 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-12-09 09:27:58,643 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-09 09:27:58,696 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:58,697 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:27:58,697 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:27:58,697 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:27:58,697 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:27:58,698 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:27:58,698 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:27:58,698 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 09:27:58,698 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 09:27:58,698 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:27:58,699 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:27:58,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.12 09:27:58 BoogieIcfgContainer [2018-12-09 09:27:58,703 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-09 09:27:58,704 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:27:58,704 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:27:58,704 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:27:58,704 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:27:04" (3/4) ... [2018-12-09 09:27:58,707 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 09:27:58,708 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:27:58,708 INFO L168 Benchmark]: Toolchain (without parser) took 54189.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 215.5 MB). Free memory was 961.4 MB in the beginning and 944.1 MB in the end (delta: 17.3 MB). Peak memory consumption was 232.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:27:58,709 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:27:58,710 INFO L168 Benchmark]: CACSL2BoogieTranslator took 114.87 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:27:58,710 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.92 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:27:58,710 INFO L168 Benchmark]: Boogie Preprocessor took 10.63 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:27:58,710 INFO L168 Benchmark]: RCFGBuilder took 144.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-09 09:27:58,711 INFO L168 Benchmark]: BuchiAutomizer took 53895.48 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 79.2 MB). Free memory was 1.1 GB in the beginning and 944.1 MB in the end (delta: 172.4 MB). Peak memory consumption was 334.4 MB. Max. memory is 11.5 GB. [2018-12-09 09:27:58,711 INFO L168 Benchmark]: Witness Printer took 3.80 ms. Allocated memory is still 1.2 GB. Free memory is still 944.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:27:58,713 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 114.87 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.92 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.63 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 144.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 53895.48 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 79.2 MB). Free memory was 1.1 GB in the beginning and 944.1 MB in the end (delta: 172.4 MB). Peak memory consumption was 334.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.80 ms. Allocated memory is still 1.2 GB. Free memory is still 944.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 53.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 53.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div644 bol100 ite100 ukn100 eq141 hnf42 smp89 dnf100 smp100 tf102 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 56ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 27.9s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~N~0;main_~x~0 := 0;main_~N~0 := main_#t~nondet0;havoc main_#t~nondet0;" "assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0;" Loop: "assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...