./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/simple_false-unreach-call3_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8189978e-3953-41c3-93df-1adffa0e0e6e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8189978e-3953-41c3-93df-1adffa0e0e6e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8189978e-3953-41c3-93df-1adffa0e0e6e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8189978e-3953-41c3-93df-1adffa0e0e6e/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/simple_false-unreach-call3_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8189978e-3953-41c3-93df-1adffa0e0e6e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8189978e-3953-41c3-93df-1adffa0e0e6e/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 9bb3ecce8212cfd5509d99ad6349aec861975be9 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:38:38,147 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:38:38,148 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:38:38,154 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:38:38,154 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:38:38,155 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:38:38,156 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:38:38,157 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:38:38,158 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:38:38,158 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:38:38,159 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:38:38,159 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:38:38,160 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:38:38,160 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:38:38,161 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:38:38,161 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:38:38,162 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:38:38,163 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:38:38,164 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:38:38,165 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:38:38,166 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:38:38,167 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:38:38,169 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:38:38,169 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:38:38,169 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:38:38,170 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:38:38,170 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:38:38,171 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:38:38,171 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:38:38,172 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:38:38,172 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:38:38,173 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:38:38,173 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:38:38,173 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:38:38,174 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:38:38,174 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:38:38,174 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8189978e-3953-41c3-93df-1adffa0e0e6e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 11:38:38,183 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:38:38,183 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:38:38,184 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:38:38,184 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:38:38,184 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:38:38,184 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 11:38:38,185 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 11:38:38,185 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 11:38:38,185 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 11:38:38,185 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 11:38:38,185 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 11:38:38,185 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:38:38,185 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:38:38,185 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:38:38,186 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:38:38,186 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:38:38,186 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:38:38,186 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 11:38:38,186 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 11:38:38,186 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 11:38:38,186 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:38:38,186 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:38:38,187 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 11:38:38,187 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:38:38,187 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 11:38:38,187 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:38:38,187 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:38:38,187 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 11:38:38,187 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:38:38,188 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:38:38,188 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 11:38:38,188 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 11:38:38,188 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_8189978e-3953-41c3-93df-1adffa0e0e6e/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 -> 9bb3ecce8212cfd5509d99ad6349aec861975be9 [2018-11-28 11:38:38,213 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:38:38,222 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:38:38,225 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:38:38,226 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:38:38,226 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:38:38,227 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8189978e-3953-41c3-93df-1adffa0e0e6e/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/simple_false-unreach-call3_true-termination.i [2018-11-28 11:38:38,267 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8189978e-3953-41c3-93df-1adffa0e0e6e/bin-2019/uautomizer/data/7883e5b25/ff6de3f6086745d9958c723fa31fd494/FLAGb6565b28a [2018-11-28 11:38:38,678 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:38:38,679 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8189978e-3953-41c3-93df-1adffa0e0e6e/sv-benchmarks/c/loop-acceleration/simple_false-unreach-call3_true-termination.i [2018-11-28 11:38:38,682 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8189978e-3953-41c3-93df-1adffa0e0e6e/bin-2019/uautomizer/data/7883e5b25/ff6de3f6086745d9958c723fa31fd494/FLAGb6565b28a [2018-11-28 11:38:38,694 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8189978e-3953-41c3-93df-1adffa0e0e6e/bin-2019/uautomizer/data/7883e5b25/ff6de3f6086745d9958c723fa31fd494 [2018-11-28 11:38:38,696 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:38:38,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:38:38,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:38:38,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:38:38,701 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:38:38,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:38:38" (1/1) ... [2018-11-28 11:38:38,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60db582d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:38:38, skipping insertion in model container [2018-11-28 11:38:38,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:38:38" (1/1) ... [2018-11-28 11:38:38,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:38:38,720 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:38:38,823 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:38:38,826 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:38:38,835 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:38:38,843 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:38:38,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:38:38 WrapperNode [2018-11-28 11:38:38,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:38:38,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:38:38,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:38:38,844 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:38:38,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:38:38" (1/1) ... [2018-11-28 11:38:38,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:38:38" (1/1) ... [2018-11-28 11:38:38,864 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:38:38,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:38:38,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:38:38,865 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:38:38,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:38:38" (1/1) ... [2018-11-28 11:38:38,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:38:38" (1/1) ... [2018-11-28 11:38:38,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:38:38" (1/1) ... [2018-11-28 11:38:38,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:38:38" (1/1) ... [2018-11-28 11:38:38,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:38:38" (1/1) ... [2018-11-28 11:38:38,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:38:38" (1/1) ... [2018-11-28 11:38:38,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:38:38" (1/1) ... [2018-11-28 11:38:38,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:38:38,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:38:38,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:38:38,911 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:38:38,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:38:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8189978e-3953-41c3-93df-1adffa0e0e6e/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:38:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:38:38,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:38:39,028 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:38:39,029 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 11:38:39,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:38:39 BoogieIcfgContainer [2018-11-28 11:38:39,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:38:39,029 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 11:38:39,030 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 11:38:39,032 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 11:38:39,033 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:38:39,033 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:38:38" (1/3) ... [2018-11-28 11:38:39,034 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f2e049e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:38:39, skipping insertion in model container [2018-11-28 11:38:39,034 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:38:39,034 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:38:38" (2/3) ... [2018-11-28 11:38:39,034 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f2e049e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:38:39, skipping insertion in model container [2018-11-28 11:38:39,034 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:38:39,035 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:38:39" (3/3) ... [2018-11-28 11:38:39,036 INFO L375 chiAutomizerObserver]: Analyzing ICFG simple_false-unreach-call3_true-termination.i [2018-11-28 11:38:39,078 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:38:39,078 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 11:38:39,078 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 11:38:39,078 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 11:38:39,078 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:38:39,078 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:38:39,078 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 11:38:39,078 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:38:39,079 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 11:38:39,087 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 11:38:39,100 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 11:38:39,100 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:38:39,100 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:38:39,104 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 11:38:39,104 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 11:38:39,104 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 11:38:39,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 11:38:39,105 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 11:38:39,105 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:38:39,105 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:38:39,105 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 11:38:39,106 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 11:38:39,110 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~x~0, main_~N~0;main_~x~0 := 0;havoc main_~N~0; 9#L11-2true [2018-11-28 11:38:39,110 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 9#L11-2true [2018-11-28 11:38:39,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:38:39,115 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-28 11:38:39,116 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:38:39,116 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:38:39,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:38:39,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:38:39,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:38:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:38:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:38:39,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:38:39,171 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-11-28 11:38:39,171 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:38:39,171 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:38:39,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:38:39,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:38:39,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:38:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:38:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:38:39,181 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:38:39,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-11-28 11:38:39,181 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:38:39,181 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:38:39,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:38:39,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:38:39,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:38:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:38:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:38:39,243 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:38:39,243 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:38:39,244 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:38:39,244 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:38:39,244 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 11:38:39,244 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:38:39,244 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:38:39,244 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:38:39,244 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-28 11:38:39,244 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:38:39,245 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:38:39,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:38:39,389 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:38:39,389 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8189978e-3953-41c3-93df-1adffa0e0e6e/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:38:39,394 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:38:39,394 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8189978e-3953-41c3-93df-1adffa0e0e6e/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:38:39,430 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 11:38:39,430 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:38:51,498 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 11:38:51,506 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:38:51,506 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:38:51,506 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:38:51,506 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:38:51,506 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 11:38:51,506 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:38:51,506 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:38:51,506 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:38:51,506 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-28 11:38:51,507 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:38:51,507 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:38:51,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:38:51,581 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:38:51,585 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 11:38:51,587 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:38:51,588 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:38:51,588 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:38:51,588 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:38:51,588 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:38:51,589 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:38:51,591 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:38:51,591 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:38:51,603 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:38:51,603 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 11:38:51,604 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:38:51,604 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:38:51,605 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:38:51,605 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:38:51,605 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:38:51,605 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:38:51,608 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:38:51,608 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:38:51,621 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:38:51,621 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 11:38:51,622 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:38:51,622 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:38:51,622 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:38:51,623 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:38:51,623 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:38:51,626 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:38:51,628 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:38:51,628 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:38:51,644 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:38:51,644 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 11:38:51,645 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:38:51,645 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:38:51,645 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:38:51,647 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:38:51,647 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:38:51,647 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:38:51,649 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:38:51,649 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:38:51,666 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:38:51,667 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 11:38:51,667 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:38:51,668 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:38:51,668 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:38:51,668 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:38:51,668 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:38:51,669 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:38:51,670 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:38:51,672 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:38:51,672 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:38:51,703 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:38:51,704 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 11:38:51,704 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:38:51,705 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:38:51,705 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:38:51,705 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:38:51,705 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:38:51,705 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:38:51,706 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:38:51,710 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:38:51,711 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:38:51,748 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:38:51,748 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 11:38:51,749 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:38:51,754 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:38:51,755 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:38:51,755 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:38:51,755 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:38:51,755 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:38:51,755 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:38:51,760 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:38:51,760 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:38:51,807 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:38:51,807 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 11:38:51,808 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:38:51,808 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:38:51,808 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:38:51,809 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:38:51,809 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:38:51,809 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:38:51,809 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:38:51,812 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:38:51,812 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:38:51,823 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:38:51,823 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 11:38:51,824 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:38:51,824 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:38:51,824 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:38:51,825 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:38:51,825 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:38:51,825 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:38:51,825 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:38:51,829 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:38:51,829 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:38:51,854 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:38:51,865 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:38:51,865 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:38:51,865 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:38:51,865 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:38:51,865 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 11:38:51,865 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:38:51,866 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:38:51,866 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:38:51,867 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-28 11:38:51,867 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:38:51,867 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:38:51,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:38:51,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:38:52,017 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:38:52,017 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8189978e-3953-41c3-93df-1adffa0e0e6e/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:38:52,024 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:38:52,024 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8189978e-3953-41c3-93df-1adffa0e0e6e/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:38:52,057 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 11:38:52,057 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:39:04,126 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 11:39:04,134 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:39:04,135 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:39:04,135 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:39:04,135 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:39:04,135 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 11:39:04,135 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:39:04,135 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:39:04,135 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:39:04,135 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-28 11:39:04,136 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:39:04,136 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:39:04,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:04,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:04,229 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:39:04,229 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 11:39:04,230 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:04,230 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:04,230 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:04,230 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:04,231 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:39:04,232 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:39:04,232 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 11:39:04,238 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:04,238 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:04,239 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:04,239 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:04,239 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:04,239 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:04,239 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:39:04,240 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:39:04,240 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:04,240 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:04,240 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 11:39:04,241 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:04,241 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:04,241 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:04,244 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:04,244 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:04,247 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 11:39:04,247 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 11:39:04,257 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:04,257 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:04,258 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:04,258 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:04,258 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:04,258 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:04,258 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:04,259 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:39:04,259 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:04,260 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:04,260 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 11:39:04,260 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:04,261 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:04,261 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:04,261 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:04,261 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:04,266 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 11:39:04,266 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 11:39:04,277 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:04,277 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:04,278 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:04,278 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:04,278 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:04,278 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:04,278 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:04,279 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:04,279 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:04,279 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:04,280 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 11:39:04,280 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:04,280 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:04,281 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:04,281 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:04,281 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:04,283 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 11:39:04,283 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 11:39:04,296 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:04,296 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:04,297 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:04,297 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:04,297 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:04,297 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:04,297 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:04,299 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:39:04,299 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:04,300 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:04,300 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 11:39:04,300 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:04,301 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:04,301 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:04,301 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:04,301 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:04,301 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:04,304 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 11:39:04,304 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 11:39:04,320 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:04,320 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:04,321 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:04,321 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:04,321 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:04,321 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:04,322 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:04,322 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:04,322 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:39:04,322 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:04,323 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:04,323 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 11:39:04,324 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:04,324 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:04,324 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:39:04,324 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:04,325 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:04,325 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:04,327 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 11:39:04,328 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 11:39:04,358 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:04,358 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:04,359 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:04,359 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:39:04,359 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:04,359 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:04,360 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:04,360 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:04,360 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:04,361 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:04,361 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:04,362 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 11:39:04,362 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:04,363 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:04,363 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:04,363 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:04,363 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:04,363 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:04,367 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 11:39:04,367 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 11:39:04,417 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:04,418 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:04,418 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:04,418 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:04,418 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:04,419 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:04,419 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:04,419 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:04,420 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:39:04,420 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:04,420 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:04,420 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 11:39:04,421 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:04,421 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:04,421 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:04,421 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:04,422 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:04,422 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:04,424 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 11:39:04,424 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 11:39:04,443 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:04,443 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:04,444 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:04,444 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:04,444 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:04,444 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:04,444 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:04,444 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:04,445 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:04,445 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:04,446 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:04,446 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 11:39:04,447 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 [2018-11-28 11:39:04,447 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:04,447 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:04,447 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:04,448 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:04,448 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:39:04,451 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 11:39:04,451 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 11:39:04,492 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:04,492 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:04,493 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:04,493 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:04,493 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:04,493 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:04,493 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:04,493 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:39:04,494 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:39:04,494 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:04,496 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:04,496 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-28 11:39:04,496 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~x~0, main_~N~0;main_~x~0 := 0;havoc main_~N~0; 9#L11-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 9#L11-2true [2018-11-28 11:39:04,496 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 9#L11-2true [2018-11-28 11:39:04,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:39:04,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2018-11-28 11:39:04,497 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:39:04,497 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:39:04,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:04,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:39:04,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:39:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:39:04,504 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:39:04,504 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2018-11-28 11:39:04,505 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:39:04,505 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:39:04,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:04,505 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:39:04,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:39:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:39:04,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:39:04,511 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2018-11-28 11:39:04,511 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:39:04,511 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:39:04,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:04,512 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:39:04,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:39:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:39:04,548 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:39:04,548 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:39:04,548 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:39:04,548 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:39:04,549 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 11:39:04,549 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:39:04,549 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:39:04,549 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:39:04,549 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-28 11:39:04,549 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:39:04,549 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:39:04,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:04,599 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:39:04,599 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8189978e-3953-41c3-93df-1adffa0e0e6e/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:39:04,632 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:39:04,633 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8189978e-3953-41c3-93df-1adffa0e0e6e/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:39:04,668 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 11:39:04,668 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:39:20,265 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 11:39:20,273 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:39:20,273 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:39:20,273 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:39:20,273 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:39:20,273 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 11:39:20,273 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:39:20,274 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:39:20,274 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:39:20,274 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-28 11:39:20,274 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:39:20,274 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:39:20,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:20,330 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:39:20,330 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 11:39:20,330 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:20,330 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:20,331 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:20,331 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:20,331 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:20,331 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:39:20,331 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:39:20,332 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:20,336 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:20,337 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 11:39:20,337 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:20,337 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:20,337 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:20,337 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:20,338 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:20,338 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:20,338 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:39:20,338 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:20,340 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:20,341 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 11:39:20,341 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:20,341 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:20,341 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:20,341 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:20,342 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:20,342 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:20,342 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:20,342 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:20,344 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:20,344 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 11:39:20,345 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:20,345 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:20,345 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:20,345 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:20,345 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:20,345 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:20,350 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:39:20,350 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:20,353 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:20,353 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 11:39:20,353 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:20,353 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:20,353 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:20,354 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:20,354 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:20,354 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:20,354 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:20,355 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:39:20,355 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:20,361 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:20,361 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 11:39:20,361 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:20,362 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:20,362 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:39:20,362 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:20,362 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:20,362 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:20,362 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:20,364 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:20,364 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:20,372 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:20,373 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 11:39:20,373 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:20,373 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:20,374 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:20,374 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:20,374 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:20,374 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:20,374 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:20,376 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:39:20,376 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:20,391 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:20,391 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 11:39:20,391 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:20,392 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:20,392 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:20,392 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:20,392 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:20,392 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:20,392 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:20,393 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:20,393 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:20,397 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:20,397 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 11:39:20,397 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:20,397 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:20,398 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:20,398 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:20,398 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:20,398 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:20,398 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:39:20,399 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:39:20,399 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:20,407 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:20,434 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:39:20,434 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:39:20,434 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:39:20,434 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:39:20,434 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 11:39:20,435 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:39:20,435 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:39:20,435 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:39:20,435 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-28 11:39:20,435 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:39:20,435 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:39:20,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:20,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:20,509 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:39:20,509 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8189978e-3953-41c3-93df-1adffa0e0e6e/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:39:20,519 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:39:20,519 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:39:20,532 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:39:20,532 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_8189978e-3953-41c3-93df-1adffa0e0e6e/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:39:20,550 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:39:20,550 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8189978e-3953-41c3-93df-1adffa0e0e6e/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:39:20,574 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 11:39:20,575 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:39:35,976 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 11:39:35,984 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:39:35,984 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:39:35,984 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:39:35,984 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:39:35,984 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 11:39:35,984 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:39:35,985 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:39:35,985 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:39:35,985 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-28 11:39:35,985 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:39:35,985 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:39:35,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:35,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:39:36,080 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:39:36,081 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 11:39:36,081 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:36,081 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:36,081 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:36,082 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:36,082 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:39:36,085 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:39:36,086 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 11:39:36,094 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:36,094 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:36,095 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:36,095 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:36,095 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:36,095 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:36,095 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:39:36,095 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:39:36,095 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:36,096 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:36,096 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 11:39:36,096 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:36,096 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:36,096 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:36,096 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:36,097 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:36,098 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 11:39:36,098 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 11:39:36,109 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:36,109 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:36,110 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:36,110 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:36,110 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:36,110 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:36,110 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:36,110 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:39:36,110 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:36,111 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:36,111 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 11:39:36,111 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:36,111 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:36,112 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:36,112 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:36,112 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:36,113 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 11:39:36,113 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 11:39:36,126 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:36,126 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:36,127 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:36,127 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:36,127 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:36,127 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:36,127 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:36,127 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:36,128 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:36,128 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:36,128 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 11:39:36,128 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:36,129 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:36,129 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:36,129 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:36,129 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:36,131 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 11:39:36,131 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 11:39:36,144 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:36,145 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:36,145 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:39:36,145 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:36,145 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:36,145 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:36,145 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:36,146 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:39:36,146 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:36,146 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:36,146 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 11:39:36,147 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:36,147 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:36,147 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:36,147 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:36,147 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:36,147 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:36,149 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 11:39:36,149 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 11:39:36,174 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:36,174 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:36,174 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:36,174 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:36,175 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:36,175 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:36,175 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:36,175 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:39:36,175 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:39:36,175 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:36,176 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:36,176 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 11:39:36,176 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:36,176 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:36,176 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:39:36,176 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:36,177 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:36,177 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:36,179 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 11:39:36,179 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 11:39:36,241 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:36,241 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:36,241 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:36,241 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:39:36,242 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:36,242 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:36,242 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:36,242 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:36,242 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:36,242 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:36,243 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:36,243 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 11:39:36,243 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:36,244 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:36,244 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:36,244 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:36,244 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:36,244 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:36,247 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 11:39:36,247 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 11:39:36,345 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:36,346 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:36,346 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:36,346 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:36,346 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:36,346 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:36,347 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:36,347 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:39:36,347 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:39:36,347 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:36,348 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:36,348 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 11:39:36,348 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:36,348 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:36,349 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:36,349 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:36,349 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:36,349 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:36,351 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 11:39:36,351 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 11:39:36,382 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:36,383 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:36,383 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:36,383 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:39:36,383 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:36,383 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:36,383 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:36,384 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:39:36,384 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:39:36,384 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:36,385 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:36,385 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 11:39:36,385 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:39:36,385 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:36,385 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:36,386 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:36,386 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:36,386 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:39:36,389 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 11:39:36,389 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 11:39:36,479 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:36,480 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 [2018-11-28 11:39:36,480 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:39:36,480 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:39:36,480 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:39:36,480 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:39:36,481 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:39:36,481 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:39:36,481 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:39:36,481 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:39:36,483 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:39:36,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:39:36 BoogieIcfgContainer [2018-11-28 11:39:36,488 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 11:39:36,488 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:39:36,488 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:39:36,489 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:39:36,489 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:38:39" (3/4) ... [2018-11-28 11:39:36,492 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 11:39:36,492 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:39:36,493 INFO L168 Benchmark]: Toolchain (without parser) took 57796.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 954.9 MB in the beginning and 854.8 MB in the end (delta: 100.0 MB). Peak memory consumption was 231.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:39:36,494 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:39:36,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 145.79 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:39:36,495 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.19 ms. Allocated memory is still 1.0 GB. Free memory is still 944.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:39:36,495 INFO L168 Benchmark]: Boogie Preprocessor took 46.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:39:36,496 INFO L168 Benchmark]: RCFGBuilder took 118.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:39:36,496 INFO L168 Benchmark]: BuchiAutomizer took 57458.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 854.8 MB in the end (delta: 263.1 MB). Peak memory consumption was 264.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:39:36,497 INFO L168 Benchmark]: Witness Printer took 4.00 ms. Allocated memory is still 1.2 GB. Free memory is still 854.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:39:36,500 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 145.79 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.1 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 20.19 ms. Allocated memory is still 1.0 GB. Free memory is still 944.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 118.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 57458.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 854.8 MB in the end (delta: 263.1 MB). Peak memory consumption was 264.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.00 ms. Allocated memory is still 1.2 GB. Free memory is still 854.8 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 57.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 57.3s. 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: 94ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 31.1s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_~x~0, main_~N~0;main_~x~0 := 0;havoc main_~N~0;" "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...