./Ultimate.py --spec ../../sv-benchmarks/c/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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ecb8f66f-7910-428f-9a4a-26c700feb98f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ecb8f66f-7910-428f-9a4a-26c700feb98f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ecb8f66f-7910-428f-9a4a-26c700feb98f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ecb8f66f-7910-428f-9a4a-26c700feb98f/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_ecb8f66f-7910-428f-9a4a-26c700feb98f/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ecb8f66f-7910-428f-9a4a-26c700feb98f/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 0.1.23-1dbac8b [2018-10-27 06:08:06,029 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:08:06,031 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:08:06,039 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:08:06,040 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:08:06,040 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:08:06,041 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:08:06,043 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:08:06,044 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:08:06,045 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:08:06,046 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:08:06,046 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:08:06,047 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:08:06,048 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:08:06,049 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:08:06,049 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:08:06,050 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:08:06,051 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:08:06,053 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:08:06,054 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:08:06,055 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:08:06,056 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:08:06,058 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:08:06,058 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:08:06,058 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:08:06,059 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:08:06,059 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:08:06,060 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:08:06,060 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:08:06,061 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:08:06,061 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:08:06,061 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:08:06,062 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:08:06,062 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:08:06,063 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:08:06,064 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:08:06,064 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ecb8f66f-7910-428f-9a4a-26c700feb98f/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-10-27 06:08:06,075 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:08:06,075 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:08:06,076 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 06:08:06,076 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 06:08:06,076 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 06:08:06,076 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-27 06:08:06,076 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-27 06:08:06,077 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-27 06:08:06,077 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-27 06:08:06,077 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-27 06:08:06,077 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-27 06:08:06,077 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:08:06,077 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 06:08:06,077 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 06:08:06,077 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:08:06,078 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 06:08:06,078 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:08:06,078 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-27 06:08:06,078 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-27 06:08:06,078 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-27 06:08:06,078 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 06:08:06,080 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:08:06,080 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-27 06:08:06,080 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-27 06:08:06,080 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:08:06,081 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:08:06,081 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-27 06:08:06,081 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:08:06,081 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 06:08:06,081 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-27 06:08:06,082 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-27 06:08:06,082 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_ecb8f66f-7910-428f-9a4a-26c700feb98f/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 [2018-10-27 06:08:06,107 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:08:06,122 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:08:06,126 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:08:06,127 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:08:06,127 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:08:06,128 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ecb8f66f-7910-428f-9a4a-26c700feb98f/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/simple_false-unreach-call3_true-termination.i [2018-10-27 06:08:06,177 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ecb8f66f-7910-428f-9a4a-26c700feb98f/bin-2019/uautomizer/data/c10230eaf/e905d2c57fa047fc8cc26891b6ee9b56/FLAGd6dd2ea62 [2018-10-27 06:08:06,553 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:08:06,553 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ecb8f66f-7910-428f-9a4a-26c700feb98f/sv-benchmarks/c/loop-acceleration/simple_false-unreach-call3_true-termination.i [2018-10-27 06:08:06,558 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ecb8f66f-7910-428f-9a4a-26c700feb98f/bin-2019/uautomizer/data/c10230eaf/e905d2c57fa047fc8cc26891b6ee9b56/FLAGd6dd2ea62 [2018-10-27 06:08:06,568 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ecb8f66f-7910-428f-9a4a-26c700feb98f/bin-2019/uautomizer/data/c10230eaf/e905d2c57fa047fc8cc26891b6ee9b56 [2018-10-27 06:08:06,571 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:08:06,571 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 06:08:06,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:08:06,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:08:06,576 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:08:06,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:08:06" (1/1) ... [2018-10-27 06:08:06,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e089980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:06, skipping insertion in model container [2018-10-27 06:08:06,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:08:06" (1/1) ... [2018-10-27 06:08:06,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:08:06,601 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:08:06,709 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:08:06,712 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:08:06,721 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:08:06,732 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:08:06,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:06 WrapperNode [2018-10-27 06:08:06,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:08:06,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:08:06,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:08:06,733 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:08:06,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:06" (1/1) ... [2018-10-27 06:08:06,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:06" (1/1) ... [2018-10-27 06:08:06,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:08:06,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:08:06,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:08:06,759 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:08:06,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:06" (1/1) ... [2018-10-27 06:08:06,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:06" (1/1) ... [2018-10-27 06:08:06,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:06" (1/1) ... [2018-10-27 06:08:06,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:06" (1/1) ... [2018-10-27 06:08:06,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:06" (1/1) ... [2018-10-27 06:08:06,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:06" (1/1) ... [2018-10-27 06:08:06,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:06" (1/1) ... [2018-10-27 06:08:06,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:08:06,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:08:06,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:08:06,772 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:08:06,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ecb8f66f-7910-428f-9a4a-26c700feb98f/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 [2018-10-27 06:08:06,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:08:06,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:08:07,091 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:08:07,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:08:07 BoogieIcfgContainer [2018-10-27 06:08:07,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:08:07,093 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-10-27 06:08:07,093 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-10-27 06:08:07,096 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-10-27 06:08:07,097 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:08:07,097 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:08:06" (1/3) ... [2018-10-27 06:08:07,098 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ecf9d5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:08:07, skipping insertion in model container [2018-10-27 06:08:07,098 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:08:07,098 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:06" (2/3) ... [2018-10-27 06:08:07,098 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ecf9d5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:08:07, skipping insertion in model container [2018-10-27 06:08:07,099 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:08:07,099 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:08:07" (3/3) ... [2018-10-27 06:08:07,100 INFO L375 chiAutomizerObserver]: Analyzing ICFG simple_false-unreach-call3_true-termination.i [2018-10-27 06:08:07,152 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 06:08:07,153 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-10-27 06:08:07,153 INFO L375 BuchiCegarLoop]: Hoare is false [2018-10-27 06:08:07,153 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-10-27 06:08:07,153 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:08:07,153 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:08:07,153 INFO L379 BuchiCegarLoop]: Difference is false [2018-10-27 06:08:07,153 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:08:07,153 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-10-27 06:08:07,165 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-10-27 06:08:07,183 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-10-27 06:08:07,184 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:08:07,184 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:08:07,190 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-10-27 06:08:07,190 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-10-27 06:08:07,190 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-10-27 06:08:07,190 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-10-27 06:08:07,191 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-10-27 06:08:07,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:08:07,191 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:08:07,191 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-10-27 06:08:07,191 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-10-27 06:08:07,198 INFO L793 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_~x~0, main_~N~0;main_~x~0 := 0;havoc main_~N~0; 9#L11-3true [2018-10-27 06:08:07,198 INFO L795 eck$LassoCheckResult]: Loop: 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := main_~x~0 + 2; 9#L11-3true [2018-10-27 06:08:07,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:07,204 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-10-27 06:08:07,205 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:08:07,206 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:08:07,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:07,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:08:07,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:07,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:07,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:07,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 1 times [2018-10-27 06:08:07,281 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:08:07,281 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:08:07,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:07,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:08:07,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:07,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:07,294 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 1 times [2018-10-27 06:08:07,294 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:08:07,294 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:08:07,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:07,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:08:07,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:07,490 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:08:07,491 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:08:07,491 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:08:07,491 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:08:07,491 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:08:07,491 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:08:07,491 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:08:07,491 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:08:07,492 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2018-10-27 06:08:07,492 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:08:07,492 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:08:07,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:08:07,723 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-10-27 06:08:07,818 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:08:07,819 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ecb8f66f-7910-428f-9a4a-26c700feb98f/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 [2018-10-27 06:08:07,822 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:08:07,822 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ecb8f66f-7910-428f-9a4a-26c700feb98f/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 [2018-10-27 06:08:07,847 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:08:07,847 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:08:19,901 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-10-27 06:08:19,905 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:08:19,906 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:08:19,906 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:08:19,906 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:08:19,906 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:08:19,906 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:08:19,906 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:08:19,907 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:08:19,907 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2018-10-27 06:08:19,907 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:08:19,907 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:08:19,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:08:20,261 WARN L179 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-10-27 06:08:20,262 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:08:20,266 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:08:20,268 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:20,269 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:08:20,269 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:20,270 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:20,270 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:20,270 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:08:20,272 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:08:20,273 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:20,287 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:20,287 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-10-27 06:08:20,288 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:20,289 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:08:20,289 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:20,289 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:20,289 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:20,289 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:08:20,291 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:08:20,291 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:20,308 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:20,309 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-10-27 06:08:20,309 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:20,310 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:08:20,310 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:20,310 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:20,311 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:20,311 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:08:20,314 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:08:20,314 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:20,334 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:20,334 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-10-27 06:08:20,335 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:20,335 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:08:20,336 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:20,336 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:20,336 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:20,336 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:08:20,338 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:08:20,339 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:20,361 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:20,361 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-10-27 06:08:20,361 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 [2018-10-27 06:08:20,362 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:08:20,363 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:08:20,363 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:20,363 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:20,364 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:20,364 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:08:20,367 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:08:20,368 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:20,426 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:20,430 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-10-27 06:08:20,431 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:20,432 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:08:20,432 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:08:20,432 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:20,433 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:20,433 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:20,433 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:08:20,439 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:08:20,443 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:20,552 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:20,555 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-10-27 06:08:20,556 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:20,557 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:08:20,557 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:08:20,557 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:20,557 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:20,558 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:20,558 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:08:20,565 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:08:20,572 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:20,628 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:20,629 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-10-27 06:08:20,629 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:20,630 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:08:20,630 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:08:20,630 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:20,630 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:20,630 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:20,631 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:08:20,633 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:08:20,633 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:20,643 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:20,644 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-10-27 06:08:20,644 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:20,645 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:08:20,645 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:08:20,645 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:20,645 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:20,645 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:20,645 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:08:20,649 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:08:20,649 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:20,667 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:20,735 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:08:20,735 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:08:20,735 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:08:20,735 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:08:20,735 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:08:20,735 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:08:20,735 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:08:20,736 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:08:20,736 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2018-10-27 06:08:20,736 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:08:20,736 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:08:20,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:08:20,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:08:20,983 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-10-27 06:08:21,002 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:08:21,002 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ecb8f66f-7910-428f-9a4a-26c700feb98f/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 [2018-10-27 06:08:21,008 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:08:21,008 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ecb8f66f-7910-428f-9a4a-26c700feb98f/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 [2018-10-27 06:08:21,031 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:08:21,032 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:08:33,091 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-10-27 06:08:33,095 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:08:33,095 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:08:33,095 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:08:33,095 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:08:33,095 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:08:33,095 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:08:33,095 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:08:33,096 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:08:33,096 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2018-10-27 06:08:33,096 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:08:33,096 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:08:33,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:08:33,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:08:33,438 WARN L179 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-10-27 06:08:33,439 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:08:33,439 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:08:33,439 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:33,440 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:08:33,440 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:33,440 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:33,440 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:08:33,442 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:08:33,442 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:08:33,450 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:33,450 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:33,451 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:08:33,451 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:33,451 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:33,451 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:33,451 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:08:33,452 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:08:33,452 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:33,452 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:33,452 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-10-27 06:08:33,453 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:33,453 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:08:33,453 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:33,453 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:33,453 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:08:33,459 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:08:33,459 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:08:33,473 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:33,473 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:33,474 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:08:33,474 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:33,474 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:33,476 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:33,476 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:08:33,476 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:08:33,476 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:33,477 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:33,477 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-10-27 06:08:33,477 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:33,478 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:08:33,478 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:33,478 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:33,478 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:08:33,481 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:08:33,481 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:08:33,500 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:33,501 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:33,501 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:08:33,502 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:33,502 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:33,502 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:33,502 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:08:33,504 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:08:33,504 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:33,505 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:33,505 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-10-27 06:08:33,505 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:33,506 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:08:33,506 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:33,506 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:33,506 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:08:33,510 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:08:33,510 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:08:33,533 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:33,534 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:33,534 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:08:33,535 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:33,536 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:33,536 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:33,536 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:08:33,536 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:08:33,537 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:33,537 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:33,537 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-10-27 06:08:33,538 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:33,538 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:08:33,538 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:08:33,538 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:33,539 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:33,539 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:08:33,541 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:08:33,542 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:08:33,575 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:33,576 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:33,576 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:08:33,576 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:08:33,576 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:33,577 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:33,577 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:33,577 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:08:33,577 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:08:33,578 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:33,578 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:33,581 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-10-27 06:08:33,581 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:33,582 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:08:33,582 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:08:33,582 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:33,582 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:33,582 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:08:33,585 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:08:33,585 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:08:33,646 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:33,647 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:33,647 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:08:33,647 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:08:33,647 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:33,648 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:33,648 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:33,648 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:08:33,649 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:08:33,649 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:33,650 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:33,650 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-10-27 06:08:33,653 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:33,654 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:08:33,654 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:08:33,654 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:33,654 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:33,654 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:08:33,660 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:08:33,660 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:08:33,765 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:33,765 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:33,766 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:08:33,766 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:08:33,766 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:33,768 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:33,768 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:33,768 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:08:33,769 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:08:33,769 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:33,770 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:33,770 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-10-27 06:08:33,771 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:33,771 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:08:33,771 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:08:33,771 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:33,771 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:33,771 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:08:33,774 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:08:33,774 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:08:33,805 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:33,805 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:33,806 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:08:33,806 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:08:33,806 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:33,806 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:33,808 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:33,808 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:08:33,809 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:08:33,809 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:33,810 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:33,810 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-10-27 06:08:33,810 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:33,811 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:08:33,811 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:08:33,811 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:33,811 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:33,812 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:08:33,818 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-10-27 06:08:33,818 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-10-27 06:08:33,892 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:33,893 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:33,899 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:08:33,899 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:08:33,900 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:33,900 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:33,900 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:33,900 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:08:33,901 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:08:33,901 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:33,904 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:33,906 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-10-27 06:08:33,906 INFO L793 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_~x~0, main_~N~0;main_~x~0 := 0;havoc main_~N~0; 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := main_~x~0 + 2; 9#L11-3true [2018-10-27 06:08:33,907 INFO L795 eck$LassoCheckResult]: Loop: 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := main_~x~0 + 2; 9#L11-3true [2018-10-27 06:08:33,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:33,907 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 2 times [2018-10-27 06:08:33,907 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:08:33,907 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:08:33,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:33,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:08:33,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:33,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:33,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 2 times [2018-10-27 06:08:33,921 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:08:33,921 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:08:33,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:33,921 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 06:08:33,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:33,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:33,925 INFO L82 PathProgramCache]: Analyzing trace with hash 889541199, now seen corresponding path program 3 times [2018-10-27 06:08:33,925 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:08:33,925 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:08:33,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:33,926 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 06:08:33,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:34,127 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:08:34,128 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:08:34,128 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:08:34,128 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:08:34,128 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:08:34,128 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:08:34,128 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:08:34,128 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:08:34,129 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2018-10-27 06:08:34,129 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:08:34,129 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:08:34,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:08:34,803 WARN L179 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-10-27 06:08:35,055 WARN L179 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-10-27 06:08:35,056 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:08:35,056 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ecb8f66f-7910-428f-9a4a-26c700feb98f/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) [2018-10-27 06:08:35,060 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:08:35,060 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ecb8f66f-7910-428f-9a4a-26c700feb98f/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) [2018-10-27 06:08:35,107 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:08:35,107 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:08:47,154 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-10-27 06:08:47,158 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:08:47,158 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:08:47,158 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:08:47,159 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:08:47,159 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:08:47,159 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:08:47,159 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:08:47,159 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:08:47,159 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2018-10-27 06:08:47,159 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:08:47,159 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:08:47,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:08:47,274 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:08:47,275 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:08:47,275 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:47,275 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:08:47,275 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:47,276 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:47,276 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:47,276 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:08:47,276 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:08:47,276 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:47,279 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:47,279 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-10-27 06:08:47,279 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:47,280 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:08:47,280 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:47,280 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:47,280 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:47,280 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:08:47,281 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:08:47,281 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:47,284 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:47,284 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-10-27 06:08:47,284 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:47,284 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:08:47,285 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:47,285 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:47,285 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:47,285 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:08:47,286 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:08:47,286 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:47,296 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:47,297 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-10-27 06:08:47,297 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:47,299 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:08:47,299 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:47,300 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:47,300 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:47,300 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:08:47,300 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:08:47,301 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:47,306 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:47,307 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-10-27 06:08:47,308 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:47,309 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:08:47,309 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:08:47,310 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:47,310 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:47,310 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:47,310 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:08:47,311 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:08:47,311 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:47,321 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:47,321 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-10-27 06:08:47,322 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:47,322 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:08:47,322 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:08:47,322 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:47,323 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:47,323 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:47,323 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:08:47,324 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:08:47,324 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:47,344 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:47,345 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-10-27 06:08:47,346 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 [2018-10-27 06:08:47,351 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:08:47,351 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:08:47,351 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:47,351 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:47,351 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:47,352 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:08:47,354 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:08:47,354 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:47,391 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:47,391 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-10-27 06:08:47,392 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:47,394 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:08:47,394 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:08:47,394 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:47,395 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:47,395 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:47,395 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:08:47,396 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:08:47,396 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:47,404 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:47,405 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-10-27 06:08:47,405 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:08:47,407 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:08:47,407 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:08:47,407 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:47,407 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:47,407 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:47,408 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:08:47,409 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:08:47,409 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:47,463 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:47,567 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-27 06:08:47,654 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:08:47,655 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:08:47,655 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:08:47,655 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:08:47,655 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:08:47,655 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:08:47,655 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:08:47,655 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:08:47,655 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2018-10-27 06:08:47,655 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:08:47,655 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:08:47,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:08:47,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:08:48,082 WARN L179 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2018-10-27 06:08:48,151 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:08:48,152 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ecb8f66f-7910-428f-9a4a-26c700feb98f/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 [2018-10-27 06:08:48,157 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:08:48,157 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ecb8f66f-7910-428f-9a4a-26c700feb98f/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 [2018-10-27 06:08:48,190 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:08:48,190 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:09:00,242 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-10-27 06:09:00,246 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:09:00,246 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:09:00,246 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:09:00,246 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:09:00,246 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:09:00,246 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:09:00,246 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:09:00,246 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:09:00,246 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2018-10-27 06:09:00,246 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:09:00,246 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:09:00,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:09:00,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:09:00,381 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:09:00,381 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:09:00,381 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:09:00,382 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:00,382 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:00,382 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:00,382 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:09:00,383 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:09:00,383 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:09:00,394 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:00,394 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:09:00,396 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:00,396 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:00,396 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:00,396 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:00,396 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:09:00,396 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:09:00,397 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:00,397 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:00,397 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-10-27 06:09:00,397 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 [2018-10-27 06:09:00,397 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:00,398 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:00,398 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:00,398 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:09:00,399 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:09:00,399 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:09:00,413 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:00,413 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:09:00,414 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:00,414 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:00,414 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:00,414 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:00,414 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:09:00,417 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:09:00,417 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:00,417 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:00,417 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-10-27 06:09:00,418 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 [2018-10-27 06:09:00,418 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:00,418 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:00,418 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:00,418 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:00,420 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:09:00,420 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:09:00,437 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:00,437 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:09:00,438 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:00,438 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:00,438 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:00,438 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:00,438 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:00,438 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:00,441 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:00,441 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:00,441 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-10-27 06:09:00,442 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:09:00,442 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:00,442 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:00,442 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:00,442 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:09:00,444 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:09:00,444 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:09:00,462 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:00,463 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:09:00,463 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:00,463 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:00,463 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:00,463 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:00,464 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:09:00,464 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:09:00,464 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:00,464 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:00,464 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-10-27 06:09:00,465 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:09:00,465 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:00,465 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:09:00,465 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:00,465 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:00,465 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:09:00,472 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:09:00,472 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:09:00,503 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:00,504 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:09:00,504 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:00,504 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:09:00,504 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:00,504 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:00,504 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:00,504 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:09:00,505 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:09:00,505 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:00,505 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:00,505 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-10-27 06:09:00,505 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:09:00,506 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:00,506 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:09:00,506 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:00,506 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:00,506 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:00,514 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:09:00,514 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:09:00,572 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:00,572 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:09:00,573 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:00,573 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:09:00,573 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:00,573 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:00,573 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:00,573 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:00,574 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:00,574 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:00,578 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:00,578 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-10-27 06:09:00,578 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:09:00,579 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:00,579 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:09:00,579 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:00,579 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:00,579 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:09:00,586 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:09:00,586 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:09:00,674 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:00,674 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:09:00,676 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:00,676 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:09:00,676 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:00,676 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:00,677 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:00,677 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:09:00,677 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:09:00,678 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:00,678 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:00,678 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-10-27 06:09:00,678 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:09:00,679 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:00,679 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:09:00,679 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:00,679 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:00,679 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:00,681 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:09:00,681 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:09:00,720 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:00,721 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:09:00,721 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:00,721 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:09:00,721 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:00,721 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:00,722 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:00,722 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:00,722 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:00,722 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:00,726 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:00,727 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-10-27 06:09:00,727 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:09:00,727 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:00,727 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:09:00,727 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:00,728 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:00,728 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:09:00,734 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-10-27 06:09:00,734 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-10-27 06:09:00,825 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:00,826 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:09:00,826 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:00,828 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:09:00,828 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:00,829 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:00,829 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:00,829 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:09:00,829 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:09:00,829 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:00,831 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:00,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:09:00 BoogieIcfgContainer [2018-10-27 06:09:00,838 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-10-27 06:09:00,838 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 06:09:00,838 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 06:09:00,838 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 06:09:00,839 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:08:07" (3/4) ... [2018-10-27 06:09:00,841 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 06:09:00,842 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 06:09:00,842 INFO L168 Benchmark]: Toolchain (without parser) took 54271.25 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 231.7 MB). Free memory was 954.4 MB in the beginning and 1.0 GB in the end (delta: -48.8 MB). Peak memory consumption was 183.0 MB. Max. memory is 11.5 GB. [2018-10-27 06:09:00,845 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:09:00,845 INFO L168 Benchmark]: CACSL2BoogieTranslator took 160.19 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:09:00,846 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.35 ms. Allocated memory is still 1.0 GB. Free memory is still 943.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:09:00,846 INFO L168 Benchmark]: Boogie Preprocessor took 13.20 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:09:00,846 INFO L168 Benchmark]: RCFGBuilder took 320.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 941.0 MB in the beginning and 1.2 GB in the end (delta: -219.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-10-27 06:09:00,847 INFO L168 Benchmark]: BuchiAutomizer took 53745.21 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 61.3 MB). Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 157.1 MB). Peak memory consumption was 327.1 MB. Max. memory is 11.5 GB. [2018-10-27 06:09:00,847 INFO L168 Benchmark]: Witness Printer took 3.59 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-10-27 06:09:00,850 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 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 160.19 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 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 25.35 ms. Allocated memory is still 1.0 GB. Free memory is still 943.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.20 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 320.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 941.0 MB in the beginning and 1.2 GB in the end (delta: -219.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 53745.21 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 61.3 MB). Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 157.1 MB). Peak memory consumption was 327.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.59 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 53.7s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 53.6s. 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: 98ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 24.1s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_~x~0, main_~N~0;main_~x~0 := 0;havoc main_~N~0;" "assume true;" "assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := main_~x~0 + 2;" Loop: "assume true;" "assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := main_~x~0 + 2;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...