./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/simple_false-unreach-call3_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_49453170-53ea-4df8-b55e-4fc6e63809ca/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_49453170-53ea-4df8-b55e-4fc6e63809ca/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_49453170-53ea-4df8-b55e-4fc6e63809ca/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_49453170-53ea-4df8-b55e-4fc6e63809ca/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_49453170-53ea-4df8-b55e-4fc6e63809ca/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_49453170-53ea-4df8-b55e-4fc6e63809ca/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 0.1.23-635dfa2 [2018-12-09 09:59:04,905 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:59:04,906 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:59:04,912 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:59:04,912 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:59:04,913 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:59:04,914 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:59:04,915 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:59:04,916 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:59:04,916 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:59:04,916 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:59:04,917 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:59:04,917 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:59:04,918 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:59:04,918 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:59:04,919 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:59:04,919 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:59:04,920 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:59:04,921 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:59:04,922 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:59:04,923 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:59:04,923 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:59:04,924 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:59:04,925 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:59:04,925 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:59:04,925 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:59:04,926 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:59:04,926 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:59:04,927 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:59:04,927 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:59:04,927 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:59:04,928 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:59:04,928 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:59:04,928 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:59:04,929 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:59:04,929 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:59:04,929 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_49453170-53ea-4df8-b55e-4fc6e63809ca/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-09 09:59:04,937 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:59:04,937 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:59:04,938 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 09:59:04,938 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 09:59:04,938 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 09:59:04,939 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-09 09:59:04,939 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-09 09:59:04,939 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-09 09:59:04,939 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-09 09:59:04,939 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-09 09:59:04,939 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-09 09:59:04,939 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:59:04,939 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:59:04,939 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 09:59:04,940 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:59:04,940 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:59:04,940 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:59:04,940 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-09 09:59:04,940 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-09 09:59:04,940 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-09 09:59:04,940 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:59:04,940 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:59:04,940 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-09 09:59:04,941 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 09:59:04,941 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-09 09:59:04,941 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:59:04,941 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 09:59:04,941 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-09 09:59:04,941 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:59:04,941 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 09:59:04,941 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-09 09:59:04,942 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-09 09:59:04,942 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_49453170-53ea-4df8-b55e-4fc6e63809ca/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 [2018-12-09 09:59:04,960 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:59:04,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:59:04,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:59:04,972 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:59:04,973 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:59:04,973 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_49453170-53ea-4df8-b55e-4fc6e63809ca/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/simple_false-unreach-call3_true-termination.i [2018-12-09 09:59:05,010 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_49453170-53ea-4df8-b55e-4fc6e63809ca/bin-2019/uautomizer/data/0eb5de47b/dc66e2a02a884298968a68c0a78d0902/FLAGaa5b7fe6c [2018-12-09 09:59:05,427 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:59:05,428 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_49453170-53ea-4df8-b55e-4fc6e63809ca/sv-benchmarks/c/loop-acceleration/simple_false-unreach-call3_true-termination.i [2018-12-09 09:59:05,431 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_49453170-53ea-4df8-b55e-4fc6e63809ca/bin-2019/uautomizer/data/0eb5de47b/dc66e2a02a884298968a68c0a78d0902/FLAGaa5b7fe6c [2018-12-09 09:59:05,439 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_49453170-53ea-4df8-b55e-4fc6e63809ca/bin-2019/uautomizer/data/0eb5de47b/dc66e2a02a884298968a68c0a78d0902 [2018-12-09 09:59:05,441 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:59:05,442 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:59:05,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:59:05,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:59:05,444 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:59:05,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:59:05" (1/1) ... [2018-12-09 09:59:05,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59a3d907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:59:05, skipping insertion in model container [2018-12-09 09:59:05,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:59:05" (1/1) ... [2018-12-09 09:59:05,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:59:05,458 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:59:05,539 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:59:05,541 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:59:05,549 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:59:05,557 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:59:05,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:59:05 WrapperNode [2018-12-09 09:59:05,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:59:05,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:59:05,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:59:05,558 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:59:05,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:59:05" (1/1) ... [2018-12-09 09:59:05,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:59:05" (1/1) ... [2018-12-09 09:59:05,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:59:05,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:59:05,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:59:05,576 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:59:05,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:59:05" (1/1) ... [2018-12-09 09:59:05,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:59:05" (1/1) ... [2018-12-09 09:59:05,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:59:05" (1/1) ... [2018-12-09 09:59:05,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:59:05" (1/1) ... [2018-12-09 09:59:05,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:59:05" (1/1) ... [2018-12-09 09:59:05,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:59:05" (1/1) ... [2018-12-09 09:59:05,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:59:05" (1/1) ... [2018-12-09 09:59:05,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:59:05,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:59:05,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:59:05,587 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:59:05,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:59:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_49453170-53ea-4df8-b55e-4fc6e63809ca/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:59:05,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:59:05,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:59:05,720 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:59:05,720 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 09:59:05,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:59:05 BoogieIcfgContainer [2018-12-09 09:59:05,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:59:05,720 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-09 09:59:05,721 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-09 09:59:05,723 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-09 09:59:05,724 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 09:59:05,724 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.12 09:59:05" (1/3) ... [2018-12-09 09:59:05,724 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30187591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 09:59:05, skipping insertion in model container [2018-12-09 09:59:05,724 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 09:59:05,725 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:59:05" (2/3) ... [2018-12-09 09:59:05,725 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30187591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 09:59:05, skipping insertion in model container [2018-12-09 09:59:05,725 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 09:59:05,725 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:59:05" (3/3) ... [2018-12-09 09:59:05,726 INFO L375 chiAutomizerObserver]: Analyzing ICFG simple_false-unreach-call3_true-termination.i [2018-12-09 09:59:05,759 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 09:59:05,760 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-09 09:59:05,760 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-09 09:59:05,760 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-09 09:59:05,760 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 09:59:05,760 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 09:59:05,760 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-09 09:59:05,760 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 09:59:05,760 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-09 09:59:05,769 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-12-09 09:59:05,781 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-12-09 09:59:05,781 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 09:59:05,781 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 09:59:05,785 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-09 09:59:05,785 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-12-09 09:59:05,785 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-09 09:59:05,785 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-12-09 09:59:05,786 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-12-09 09:59:05,786 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 09:59:05,786 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 09:59:05,786 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-09 09:59:05,786 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-12-09 09:59:05,791 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~x~0, main_~N~0;main_~x~0 := 0;havoc main_~N~0; 9#L11-2true [2018-12-09 09:59:05,791 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 9#L11-2true [2018-12-09 09:59:05,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:59:05,795 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-12-09 09:59:05,796 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:59:05,796 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:59:05,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:59:05,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:59:05,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:59:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:59:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:59:05,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:59:05,850 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-12-09 09:59:05,850 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:59:05,850 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:59:05,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:59:05,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:59:05,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:59:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:59:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:59:05,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:59:05,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-12-09 09:59:05,859 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:59:05,860 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:59:05,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:59:05,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:59:05,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:59:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:59:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:59:05,897 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 09:59:05,897 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 09:59:05,898 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 09:59:05,898 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 09:59:05,898 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 09:59:05,898 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:59:05,898 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 09:59:05,898 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 09:59:05,898 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2018-12-09 09:59:05,898 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 09:59:05,898 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 09:59:05,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:59:05,990 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 09:59:05,991 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_49453170-53ea-4df8-b55e-4fc6e63809ca/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:59:05,996 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 09:59:05,996 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_49453170-53ea-4df8-b55e-4fc6e63809ca/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:59:06,021 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 09:59:06,021 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 09:59:18,085 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-09 09:59:18,092 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 09:59:18,092 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 09:59:18,092 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 09:59:18,092 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 09:59:18,092 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 09:59:18,092 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:59:18,092 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 09:59:18,093 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 09:59:18,093 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2018-12-09 09:59:18,093 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 09:59:18,093 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 09:59:18,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:59:18,143 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 09:59:18,146 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 09:59:18,147 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:18,148 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:59:18,148 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:18,149 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:18,149 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:18,149 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 09:59:18,151 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 09:59:18,151 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:18,164 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:18,164 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-09 09:59:18,165 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:18,165 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:59:18,165 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:18,166 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:18,166 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:18,166 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:59:18,168 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 09:59:18,168 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:18,180 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:18,180 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-09 09:59:18,180 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:18,181 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:59:18,181 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:18,181 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:18,181 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:18,181 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:59:18,183 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:59:18,183 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:18,195 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:18,195 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-09 09:59:18,195 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:18,196 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:59:18,196 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:18,196 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:18,196 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:18,196 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:59:18,199 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 09:59:18,199 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:18,211 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:18,212 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-09 09:59:18,212 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:18,213 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:18,213 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:59:18,213 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:18,213 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:18,213 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:18,213 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:59:18,216 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 09:59:18,216 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:18,242 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:18,242 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-09 09:59:18,243 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:18,243 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:18,244 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 09:59:18,244 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:18,244 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:18,244 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:18,244 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:59:18,247 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:59:18,247 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:18,278 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:18,278 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-09 09:59:18,278 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:18,279 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:18,279 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:59:18,279 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:18,280 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:18,280 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:18,280 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:59:18,284 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 09:59:18,284 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:18,323 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:18,323 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-09 09:59:18,323 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:18,324 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:18,324 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:59:18,325 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:18,325 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:18,325 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:18,325 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:59:18,327 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:59:18,327 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:18,336 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:18,336 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-09 09:59:18,337 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:18,337 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:18,337 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:59:18,338 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:18,338 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:18,338 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:18,338 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 09:59:18,340 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 09:59:18,341 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:18,353 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:18,363 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 09:59:18,363 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 09:59:18,363 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 09:59:18,364 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 09:59:18,364 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 09:59:18,364 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:59:18,364 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 09:59:18,364 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 09:59:18,364 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2018-12-09 09:59:18,364 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 09:59:18,364 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 09:59:18,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:59:18,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:59:18,425 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 09:59:18,425 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_49453170-53ea-4df8-b55e-4fc6e63809ca/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:59:18,427 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 09:59:18,427 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_49453170-53ea-4df8-b55e-4fc6e63809ca/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:59:18,457 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 09:59:18,457 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 09:59:30,516 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-09 09:59:30,524 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 09:59:30,525 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 09:59:30,525 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 09:59:30,525 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 09:59:30,525 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 09:59:30,525 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:59:30,525 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 09:59:30,525 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 09:59:30,525 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2018-12-09 09:59:30,525 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 09:59:30,525 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 09:59:30,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:59:30,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:59:30,585 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 09:59:30,585 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 09:59:30,586 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:30,586 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:59:30,586 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:30,586 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:30,586 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 09:59:30,588 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 09:59:30,588 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 09:59:30,593 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:30,593 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:30,594 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:59:30,594 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:30,594 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:30,594 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:30,594 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 09:59:30,595 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 09:59:30,595 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:30,595 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:30,595 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-09 09:59:30,595 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:30,596 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:59:30,596 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:30,596 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:30,596 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:59:30,597 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-09 09:59:30,597 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-09 09:59:30,604 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:30,604 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:30,604 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:59:30,605 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:30,605 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:30,605 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:30,605 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:59:30,605 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 09:59:30,605 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:30,605 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:30,606 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-09 09:59:30,606 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:30,606 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:59:30,606 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:30,606 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:30,606 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:59:30,608 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-09 09:59:30,608 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-09 09:59:30,616 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:30,617 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:30,617 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:59:30,617 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:30,617 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:30,617 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:30,617 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:59:30,618 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:59:30,618 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:30,618 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:30,618 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-09 09:59:30,619 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:30,619 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:59:30,619 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:30,619 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:30,619 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:59:30,621 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-09 09:59:30,621 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-09 09:59:30,631 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:30,631 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:30,632 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:59:30,632 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:30,632 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:30,632 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:30,632 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:59:30,632 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 09:59:30,632 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:30,633 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:30,633 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-09 09:59:30,633 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:30,633 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:30,634 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:59:30,634 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:30,634 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:30,634 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:59:30,635 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-09 09:59:30,635 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-09 09:59:30,649 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:30,650 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:30,650 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:30,650 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:59:30,650 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:30,651 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:30,651 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:30,651 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:59:30,651 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 09:59:30,651 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:30,651 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:30,652 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-09 09:59:30,652 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:30,652 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:30,652 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 09:59:30,652 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:30,652 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:30,653 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:59:30,654 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-09 09:59:30,655 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-09 09:59:30,682 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:30,682 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:30,682 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:30,682 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 09:59:30,683 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:30,683 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:30,683 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:30,683 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:59:30,683 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:59:30,683 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:30,684 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:30,684 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-09 09:59:30,684 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:30,685 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:30,685 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:59:30,685 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:30,685 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:30,685 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:59:30,688 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-09 09:59:30,688 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-09 09:59:30,728 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:30,729 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:30,729 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:30,729 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:59:30,729 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:30,730 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:30,730 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:30,730 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:59:30,730 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 09:59:30,731 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:30,731 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:30,731 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-09 09:59:30,731 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:30,732 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:30,732 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:59:30,732 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:30,732 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:30,732 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:59:30,733 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-09 09:59:30,733 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-09 09:59:30,748 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:30,748 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:30,748 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:30,749 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:59:30,749 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:30,749 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:30,749 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:30,749 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:59:30,749 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:59:30,749 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:30,750 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:30,750 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-09 09:59:30,750 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:30,751 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:30,751 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:59:30,751 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:30,751 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:30,751 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 09:59:30,753 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-12-09 09:59:30,754 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-09 09:59:30,787 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:30,787 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:30,788 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:30,788 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:59:30,788 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:30,788 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:30,788 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:30,788 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 09:59:30,789 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 09:59:30,789 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:30,790 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:30,790 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-12-09 09:59:30,790 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~x~0, main_~N~0;main_~x~0 := 0;havoc main_~N~0; 9#L11-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 9#L11-2true [2018-12-09 09:59:30,790 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 9#L11-2true [2018-12-09 09:59:30,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:59:30,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2018-12-09 09:59:30,791 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:59:30,791 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:59:30,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:59:30,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:59:30,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:59:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:59:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:59:30,795 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:59:30,796 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2018-12-09 09:59:30,796 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:59:30,796 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:59:30,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:59:30,796 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 09:59:30,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:59:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:59:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:59:30,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:59:30,799 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2018-12-09 09:59:30,799 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:59:30,799 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:59:30,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:59:30,800 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 09:59:30,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:59:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:59:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:59:30,816 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 09:59:30,816 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 09:59:30,816 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 09:59:30,816 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 09:59:30,816 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 09:59:30,817 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:59:30,817 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 09:59:30,817 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 09:59:30,817 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2018-12-09 09:59:30,817 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 09:59:30,817 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 09:59:30,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:59:30,882 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 09:59:30,882 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_49453170-53ea-4df8-b55e-4fc6e63809ca/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:59:30,884 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 09:59:30,884 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_49453170-53ea-4df8-b55e-4fc6e63809ca/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:59:30,901 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 09:59:30,901 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 09:59:45,090 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-09 09:59:45,099 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 09:59:45,099 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 09:59:45,099 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 09:59:45,099 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 09:59:45,099 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 09:59:45,099 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:59:45,099 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 09:59:45,099 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 09:59:45,100 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2018-12-09 09:59:45,100 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 09:59:45,100 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 09:59:45,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:59:45,145 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 09:59:45,145 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 09:59:45,145 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:45,145 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:59:45,145 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:45,145 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:45,146 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:45,146 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 09:59:45,146 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 09:59:45,146 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:45,148 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:45,148 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-09 09:59:45,148 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:45,148 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:59:45,149 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:45,149 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:45,149 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:45,149 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:59:45,149 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 09:59:45,150 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:45,152 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:45,152 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-09 09:59:45,153 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:45,153 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:59:45,153 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:45,153 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:45,154 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:45,154 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:59:45,154 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:59:45,154 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:45,158 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:45,158 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-09 09:59:45,158 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:45,159 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:59:45,159 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:45,159 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:45,159 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:45,159 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:59:45,160 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 09:59:45,160 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:45,164 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:45,164 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-09 09:59:45,165 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:45,165 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:45,165 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:59:45,165 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:45,165 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:45,166 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:45,166 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:59:45,167 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 09:59:45,167 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:45,176 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:45,176 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-09 09:59:45,176 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:45,177 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:45,177 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 09:59:45,177 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:45,177 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:45,177 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:45,178 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:59:45,179 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:59:45,179 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:45,189 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:45,190 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-09 09:59:45,190 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:45,190 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:45,190 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:59:45,190 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:45,191 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:45,191 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:45,191 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:59:45,192 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 09:59:45,192 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:45,210 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:45,210 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-09 09:59:45,211 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:45,211 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:45,211 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:59:45,211 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:45,211 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:45,211 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:45,211 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:59:45,212 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:59:45,212 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:45,216 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:45,216 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-09 09:59:45,216 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:45,216 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:45,216 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:59:45,216 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:45,217 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:45,217 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:45,217 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 09:59:45,218 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 09:59:45,218 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:45,226 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:45,240 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 09:59:45,240 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 09:59:45,240 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 09:59:45,240 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 09:59:45,240 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 09:59:45,240 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:59:45,240 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 09:59:45,240 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 09:59:45,240 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2018-12-09 09:59:45,241 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 09:59:45,241 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 09:59:45,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:59:45,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:59:45,352 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 09:59:45,352 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_49453170-53ea-4df8-b55e-4fc6e63809ca/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:59:45,353 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 09:59:45,353 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 09:59:45,358 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 09:59:45,358 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_49453170-53ea-4df8-b55e-4fc6e63809ca/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:59:45,384 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 09:59:45,384 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_49453170-53ea-4df8-b55e-4fc6e63809ca/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:59:45,412 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 09:59:45,412 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 09:59:59,362 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-09 09:59:59,370 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 09:59:59,371 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 09:59:59,371 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 09:59:59,371 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 09:59:59,371 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 09:59:59,371 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 09:59:59,371 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 09:59:59,371 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 09:59:59,371 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2018-12-09 09:59:59,371 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 09:59:59,371 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 09:59:59,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:59:59,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 09:59:59,453 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 09:59:59,453 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 09:59:59,453 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 [2018-12-09 09:59:59,454 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:59:59,454 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:59,454 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:59,454 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 09:59:59,455 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 09:59:59,456 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 09:59:59,464 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:59,464 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:59,464 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:59:59,464 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:59,465 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:59,465 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:59,465 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 09:59:59,465 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 09:59:59,465 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:59,465 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:59,466 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-09 09:59:59,466 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:59,466 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:59:59,466 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:59,466 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:59,466 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:59:59,468 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-09 09:59:59,468 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-09 09:59:59,479 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:59,479 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:59,480 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:59:59,480 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:59,480 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:59,480 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:59,480 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:59:59,480 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 09:59:59,480 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:59,481 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:59,481 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-09 09:59:59,481 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:59,482 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:59:59,482 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:59,482 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:59,482 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:59:59,484 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-09 09:59:59,484 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-09 09:59:59,496 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:59,496 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:59,497 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:59:59,497 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:59,497 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:59,497 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:59,497 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:59:59,497 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:59:59,498 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:59,498 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:59,498 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-09 09:59:59,498 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:59,499 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:59:59,499 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:59,499 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:59,499 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:59:59,501 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-09 09:59:59,501 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-09 09:59:59,514 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:59,514 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:59,514 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 09:59:59,514 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:59,515 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:59,515 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:59,515 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:59:59,515 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 09:59:59,515 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:59,515 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:59,516 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-09 09:59:59,516 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:59,516 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:59,516 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:59:59,516 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:59,516 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:59,517 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:59:59,518 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-09 09:59:59,518 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-09 09:59:59,541 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:59,542 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:59,542 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:59,542 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:59:59,542 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:59,543 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:59,543 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:59,543 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 09:59:59,543 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 09:59:59,543 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:59,544 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:59,544 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-09 09:59:59,544 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:59,544 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:59,545 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 09:59:59,545 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:59,545 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:59,545 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:59:59,547 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-09 09:59:59,547 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-09 09:59:59,586 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:59,586 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:59,587 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:59,587 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 09:59:59,587 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:59,587 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:59,587 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:59,587 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:59:59,587 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:59:59,587 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:59,588 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:59,588 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-09 09:59:59,588 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:59,588 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:59,588 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:59:59,589 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:59,589 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:59,589 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:59:59,591 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-09 09:59:59,591 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-09 09:59:59,643 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:59,644 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 [2018-12-09 09:59:59,644 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:59,644 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:59:59,644 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:59,644 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:59,644 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:59,644 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 09:59:59,645 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 09:59:59,645 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:59,645 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:59,645 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-09 09:59:59,645 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:59,646 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:59,646 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:59:59,646 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:59,646 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:59,646 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:59:59,647 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-09 09:59:59,647 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-09 09:59:59,664 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:59,664 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:59,665 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:59,665 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 09:59:59,665 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:59,665 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:59,665 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:59,665 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 09:59:59,665 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 09:59:59,665 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:59,666 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:59,666 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-09 09:59:59,666 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:59,666 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:59,666 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:59:59,666 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:59,667 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:59,667 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 09:59:59,668 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-12-09 09:59:59,668 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-09 09:59:59,712 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:59,713 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 09:59:59,713 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 09:59:59,713 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 09:59:59,713 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 09:59:59,713 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 09:59:59,713 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 09:59:59,713 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 09:59:59,714 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 09:59:59,714 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 09:59:59,715 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 09:59:59,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.12 09:59:59 BoogieIcfgContainer [2018-12-09 09:59:59,718 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-09 09:59:59,719 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:59:59,719 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:59:59,719 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:59:59,719 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:59:05" (3/4) ... [2018-12-09 09:59:59,722 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 09:59:59,722 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:59:59,722 INFO L168 Benchmark]: Toolchain (without parser) took 54281.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.6 MB). Free memory was 962.0 MB in the beginning and 989.4 MB in the end (delta: -27.4 MB). Peak memory consumption was 190.2 MB. Max. memory is 11.5 GB. [2018-12-09 09:59:59,723 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:59:59,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 115.10 ms. Allocated memory is still 1.0 GB. Free memory was 962.0 MB in the beginning and 949.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-12-09 09:59:59,724 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.27 ms. Allocated memory is still 1.0 GB. Free memory is still 949.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:59:59,724 INFO L168 Benchmark]: Boogie Preprocessor took 11.24 ms. Allocated memory is still 1.0 GB. Free memory was 949.9 MB in the beginning and 944.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 09:59:59,724 INFO L168 Benchmark]: RCFGBuilder took 132.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -174.4 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-09 09:59:59,725 INFO L168 Benchmark]: BuchiAutomizer took 53998.05 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 79.2 MB). Free memory was 1.1 GB in the beginning and 989.4 MB in the end (delta: 129.6 MB). Peak memory consumption was 330.6 MB. Max. memory is 11.5 GB. [2018-12-09 09:59:59,725 INFO L168 Benchmark]: Witness Printer took 3.10 ms. Allocated memory is still 1.2 GB. Free memory is still 989.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:59:59,727 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 115.10 ms. Allocated memory is still 1.0 GB. Free memory was 962.0 MB in the beginning and 949.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.27 ms. Allocated memory is still 1.0 GB. Free memory is still 949.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.24 ms. Allocated memory is still 1.0 GB. Free memory was 949.9 MB in the beginning and 944.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 132.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -174.4 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 53998.05 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 79.2 MB). Free memory was 1.1 GB in the beginning and 989.4 MB in the end (delta: 129.6 MB). Peak memory consumption was 330.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.10 ms. Allocated memory is still 1.2 GB. Free memory is still 989.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 53.9s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 53.9s. 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: 46ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 28.1s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_~x~0, main_~N~0;main_~x~0 := 0;havoc main_~N~0;" "assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0;" Loop: "assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...