./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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5688c9ad-de9d-41f6-be1b-979401421037/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5688c9ad-de9d-41f6-be1b-979401421037/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5688c9ad-de9d-41f6-be1b-979401421037/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5688c9ad-de9d-41f6-be1b-979401421037/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_5688c9ad-de9d-41f6-be1b-979401421037/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5688c9ad-de9d-41f6-be1b-979401421037/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-aa41828 [2018-11-23 14:23:55,330 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:23:55,331 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:23:55,338 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:23:55,339 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:23:55,339 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:23:55,340 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:23:55,341 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:23:55,342 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:23:55,343 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:23:55,343 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:23:55,343 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:23:55,344 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:23:55,345 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:23:55,346 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:23:55,346 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:23:55,347 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:23:55,348 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:23:55,350 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:23:55,351 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:23:55,351 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:23:55,352 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:23:55,354 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:23:55,354 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:23:55,354 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:23:55,355 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:23:55,356 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:23:55,356 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:23:55,357 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:23:55,358 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:23:55,358 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:23:55,359 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:23:55,359 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:23:55,359 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:23:55,360 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:23:55,360 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:23:55,360 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5688c9ad-de9d-41f6-be1b-979401421037/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-23 14:23:55,371 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:23:55,372 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:23:55,372 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 14:23:55,372 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 14:23:55,373 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 14:23:55,373 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 14:23:55,373 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 14:23:55,373 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 14:23:55,373 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 14:23:55,374 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 14:23:55,374 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 14:23:55,374 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:23:55,374 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:23:55,374 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 14:23:55,374 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:23:55,374 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:23:55,374 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:23:55,374 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 14:23:55,374 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 14:23:55,375 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 14:23:55,375 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:23:55,376 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:23:55,376 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 14:23:55,376 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:23:55,376 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 14:23:55,376 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:23:55,376 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 14:23:55,376 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 14:23:55,376 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:23:55,376 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 14:23:55,376 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 14:23:55,377 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 14:23:55,377 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_5688c9ad-de9d-41f6-be1b-979401421037/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9bb3ecce8212cfd5509d99ad6349aec861975be9 [2018-11-23 14:23:55,398 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:23:55,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:23:55,410 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:23:55,411 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:23:55,411 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:23:55,412 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5688c9ad-de9d-41f6-be1b-979401421037/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/simple_false-unreach-call3_true-termination.i [2018-11-23 14:23:55,451 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5688c9ad-de9d-41f6-be1b-979401421037/bin-2019/uautomizer/data/5e6bddc2c/d134f966042b4612ab1a0dd5d1c99213/FLAG95e9134f2 [2018-11-23 14:23:55,848 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:23:55,848 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5688c9ad-de9d-41f6-be1b-979401421037/sv-benchmarks/c/loop-acceleration/simple_false-unreach-call3_true-termination.i [2018-11-23 14:23:55,852 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5688c9ad-de9d-41f6-be1b-979401421037/bin-2019/uautomizer/data/5e6bddc2c/d134f966042b4612ab1a0dd5d1c99213/FLAG95e9134f2 [2018-11-23 14:23:55,863 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5688c9ad-de9d-41f6-be1b-979401421037/bin-2019/uautomizer/data/5e6bddc2c/d134f966042b4612ab1a0dd5d1c99213 [2018-11-23 14:23:55,866 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:23:55,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:23:55,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:23:55,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:23:55,869 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:23:55,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:23:55" (1/1) ... [2018-11-23 14:23:55,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e5f2ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:55, skipping insertion in model container [2018-11-23 14:23:55,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:23:55" (1/1) ... [2018-11-23 14:23:55,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:23:55,892 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:23:56,003 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:23:56,006 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:23:56,014 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:23:56,022 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:23:56,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:56 WrapperNode [2018-11-23 14:23:56,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:23:56,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:23:56,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:23:56,024 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:23:56,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:56" (1/1) ... [2018-11-23 14:23:56,032 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:56" (1/1) ... [2018-11-23 14:23:56,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:23:56,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:23:56,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:23:56,045 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:23:56,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:56" (1/1) ... [2018-11-23 14:23:56,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:56" (1/1) ... [2018-11-23 14:23:56,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:56" (1/1) ... [2018-11-23 14:23:56,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:56" (1/1) ... [2018-11-23 14:23:56,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:56" (1/1) ... [2018-11-23 14:23:56,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:56" (1/1) ... [2018-11-23 14:23:56,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:56" (1/1) ... [2018-11-23 14:23:56,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:23:56,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:23:56,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:23:56,099 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:23:56,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5688c9ad-de9d-41f6-be1b-979401421037/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 14:23:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:23:56,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:23:56,227 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:23:56,227 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 14:23:56,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:23:56 BoogieIcfgContainer [2018-11-23 14:23:56,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:23:56,228 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 14:23:56,228 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 14:23:56,230 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 14:23:56,231 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 14:23:56,231 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:23:55" (1/3) ... [2018-11-23 14:23:56,232 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4984f3d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:23:56, skipping insertion in model container [2018-11-23 14:23:56,232 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 14:23:56,232 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:56" (2/3) ... [2018-11-23 14:23:56,232 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4984f3d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:23:56, skipping insertion in model container [2018-11-23 14:23:56,233 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 14:23:56,233 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:23:56" (3/3) ... [2018-11-23 14:23:56,234 INFO L375 chiAutomizerObserver]: Analyzing ICFG simple_false-unreach-call3_true-termination.i [2018-11-23 14:23:56,272 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 14:23:56,273 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 14:23:56,273 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 14:23:56,273 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 14:23:56,273 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 14:23:56,273 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 14:23:56,273 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 14:23:56,274 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 14:23:56,274 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 14:23:56,283 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-23 14:23:56,299 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-23 14:23:56,299 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 14:23:56,299 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 14:23:56,303 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-23 14:23:56,303 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-23 14:23:56,303 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 14:23:56,304 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-23 14:23:56,304 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-23 14:23:56,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 14:23:56,304 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 14:23:56,305 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-23 14:23:56,305 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-23 14:23:56,310 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~x~0, main_~N~0;main_~x~0 := 0;havoc main_~N~0; 9#L11-2true [2018-11-23 14:23:56,310 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 9#L11-2true [2018-11-23 14:23:56,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:23:56,314 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-23 14:23:56,315 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:23:56,315 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:23:56,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:23:56,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:23:56,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:23:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:23:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:23:56,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:23:56,376 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-11-23 14:23:56,376 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:23:56,376 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:23:56,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:23:56,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:23:56,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:23:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:23:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:23:56,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:23:56,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-11-23 14:23:56,390 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:23:56,390 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:23:56,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:23:56,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:23:56,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:23:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:23:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:23:56,432 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 14:23:56,433 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 14:23:56,433 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 14:23:56,433 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 14:23:56,433 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 14:23:56,433 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 14:23:56,433 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 14:23:56,434 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 14:23:56,434 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-23 14:23:56,434 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 14:23:56,434 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 14:23:56,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 14:23:56,605 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 14:23:56,605 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5688c9ad-de9d-41f6-be1b-979401421037/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 14:23:56,618 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 14:23:56,618 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5688c9ad-de9d-41f6-be1b-979401421037/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 14:23:56,640 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 14:23:56,640 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 14:24:12,494 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-23 14:24:12,503 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 14:24:12,503 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 14:24:12,503 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 14:24:12,503 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 14:24:12,503 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 14:24:12,503 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 14:24:12,503 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 14:24:12,503 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 14:24:12,503 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-23 14:24:12,503 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 14:24:12,504 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 14:24:12,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 14:24:12,574 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 14:24:12,578 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 14:24:12,580 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:12,581 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:24:12,582 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:12,582 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:12,582 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:12,584 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 14:24:12,587 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 14:24:12,587 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:12,600 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:12,600 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-23 14:24:12,600 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:12,601 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:24:12,601 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:12,602 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:12,602 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:12,602 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 14:24:12,604 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 14:24:12,604 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:12,615 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:12,616 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-23 14:24:12,616 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:12,617 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:24:12,617 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:12,617 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:12,617 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:12,618 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 14:24:12,620 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 14:24:12,620 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:12,635 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:12,635 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-23 14:24:12,635 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:12,636 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:24:12,636 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:12,636 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:12,636 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:12,636 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 14:24:12,639 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 14:24:12,639 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:12,657 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:12,657 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-23 14:24:12,657 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:12,658 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:12,658 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 14:24:12,658 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:12,658 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:12,659 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:12,659 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 14:24:12,661 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 14:24:12,661 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:12,695 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:12,695 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-23 14:24:12,695 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:12,696 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:12,696 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 14:24:12,696 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:12,697 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:12,697 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:12,697 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 14:24:12,700 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 14:24:12,700 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:12,743 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:12,744 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-23 14:24:12,744 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:12,745 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:12,745 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 14:24:12,745 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:12,746 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:12,746 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:12,746 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 14:24:12,750 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 14:24:12,751 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:12,799 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:12,799 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-23 14:24:12,799 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:12,800 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:12,800 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 14:24:12,800 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:12,800 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:12,801 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:12,801 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 14:24:12,802 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 14:24:12,802 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:12,812 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:12,812 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-23 14:24:12,813 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:12,814 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:12,814 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 14:24:12,814 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:12,814 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:12,814 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:12,814 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 14:24:12,817 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 14:24:12,817 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:12,832 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:12,842 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 14:24:12,842 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 14:24:12,842 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 14:24:12,842 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 14:24:12,842 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 14:24:12,842 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 14:24:12,842 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 14:24:12,842 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 14:24:12,842 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-23 14:24:12,843 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 14:24:12,843 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 14:24:12,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 14:24:12,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 14:24:13,002 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 14:24:13,002 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5688c9ad-de9d-41f6-be1b-979401421037/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 14:24:13,007 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 14:24:13,008 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5688c9ad-de9d-41f6-be1b-979401421037/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 14:24:13,032 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 14:24:13,033 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 14:24:25,085 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-23 14:24:25,092 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 14:24:25,092 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 14:24:25,092 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 14:24:25,092 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 14:24:25,092 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 14:24:25,092 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 14:24:25,092 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 14:24:25,092 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 14:24:25,092 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-23 14:24:25,092 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 14:24:25,093 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 14:24:25,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 14:24:25,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 14:24:25,179 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 14:24:25,179 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 14:24:25,179 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:25,180 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:24:25,180 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:25,180 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:25,180 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 14:24:25,182 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 14:24:25,182 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 14:24:25,190 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:25,190 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 [2018-11-23 14:24:25,191 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:24:25,191 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:25,191 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:25,191 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:25,191 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 14:24:25,192 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 14:24:25,192 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:25,192 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:25,192 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-23 14:24:25,193 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:25,193 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:24:25,193 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:25,193 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:25,194 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 14:24:25,195 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 14:24:25,195 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 14:24:25,207 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:25,208 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:25,208 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:24:25,208 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:25,208 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:25,209 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:25,209 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 14:24:25,209 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 14:24:25,209 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:25,210 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:25,210 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-23 14:24:25,210 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:25,210 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:24:25,211 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:25,211 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:25,211 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 14:24:25,214 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 14:24:25,214 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 14:24:25,228 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:25,228 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:25,229 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:24:25,229 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:25,229 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:25,229 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:25,229 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 14:24:25,230 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 14:24:25,230 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:25,230 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:25,230 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-23 14:24:25,231 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:25,231 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:24:25,231 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:25,232 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:25,232 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 14:24:25,235 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 14:24:25,237 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 14:24:25,249 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:25,250 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:25,250 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:24:25,250 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:25,250 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:25,251 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:25,251 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 14:24:25,251 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 14:24:25,251 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:25,252 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:25,252 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-23 14:24:25,252 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:25,253 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:25,253 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 14:24:25,253 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:25,253 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:25,253 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 14:24:25,255 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 14:24:25,256 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 14:24:25,271 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:25,272 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:25,272 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:25,272 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 14:24:25,272 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:25,272 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:25,273 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:25,273 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 14:24:25,273 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 14:24:25,273 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:25,274 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:25,274 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-23 14:24:25,274 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:25,275 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:25,275 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 14:24:25,275 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:25,275 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:25,275 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 14:24:25,278 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 14:24:25,278 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 14:24:25,309 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:25,309 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:25,310 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:25,310 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 14:24:25,311 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:25,311 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:25,311 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:25,311 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 14:24:25,312 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 14:24:25,312 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:25,313 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:25,313 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-23 14:24:25,313 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:25,314 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:25,314 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 14:24:25,314 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:25,314 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:25,314 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 14:24:25,318 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 14:24:25,318 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 14:24:25,385 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:25,385 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:25,386 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:25,386 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 14:24:25,386 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:25,386 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:25,387 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:25,387 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 14:24:25,388 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 14:24:25,388 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:25,388 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:25,388 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-23 14:24:25,389 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:25,389 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:25,389 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 14:24:25,389 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:25,389 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:25,390 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 14:24:25,391 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 14:24:25,391 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 14:24:25,408 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:25,409 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:25,409 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:25,409 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 14:24:25,410 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:25,410 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:25,410 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:25,410 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 14:24:25,410 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 14:24:25,410 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:25,412 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:25,412 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-23 14:24:25,412 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:25,413 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:25,413 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 14:24:25,413 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:25,413 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:25,413 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 14:24:25,416 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-23 14:24:25,416 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-23 14:24:25,452 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:25,452 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:25,453 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:25,453 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 14:24:25,453 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:25,453 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:25,453 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:25,453 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 14:24:25,454 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 14:24:25,454 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:25,456 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:25,456 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-23 14:24:25,457 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~x~0, main_~N~0;main_~x~0 := 0;havoc main_~N~0; 9#L11-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 9#L11-2true [2018-11-23 14:24:25,457 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 9#L11-2true [2018-11-23 14:24:25,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:24:25,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2018-11-23 14:24:25,457 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:24:25,457 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:24:25,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:24:25,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:24:25,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:24:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:24:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:24:25,463 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:24:25,463 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2018-11-23 14:24:25,463 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:24:25,463 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:24:25,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:24:25,464 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 14:24:25,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:24:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:24:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:24:25,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:24:25,468 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2018-11-23 14:24:25,468 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:24:25,468 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:24:25,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:24:25,469 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 14:24:25,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:24:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:24:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:24:25,511 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 14:24:25,511 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 14:24:25,511 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 14:24:25,511 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 14:24:25,511 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 14:24:25,511 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 14:24:25,511 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 14:24:25,511 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 14:24:25,512 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-23 14:24:25,512 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 14:24:25,512 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 14:24:25,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 14:24:25,552 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 14:24:25,552 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5688c9ad-de9d-41f6-be1b-979401421037/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 14:24:25,565 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 14:24:25,566 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5688c9ad-de9d-41f6-be1b-979401421037/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 14:24:25,587 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 14:24:25,588 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 14:24:41,476 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-23 14:24:41,484 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 14:24:41,484 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 14:24:41,484 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 14:24:41,484 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 14:24:41,485 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 14:24:41,485 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 14:24:41,485 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 14:24:41,485 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 14:24:41,485 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-23 14:24:41,485 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 14:24:41,485 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 14:24:41,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 14:24:41,542 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 14:24:41,542 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 14:24:41,542 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 [2018-11-23 14:24:41,543 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:24:41,543 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:41,543 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:41,543 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:41,543 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 14:24:41,543 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 14:24:41,543 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:41,545 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:41,546 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-23 14:24:41,546 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:41,546 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:24:41,546 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:41,547 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:41,547 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:41,547 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 14:24:41,547 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 14:24:41,548 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:41,553 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:41,553 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-23 14:24:41,554 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:41,554 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:24:41,554 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:41,555 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:41,555 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:41,555 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 14:24:41,555 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 14:24:41,556 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:41,559 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:41,559 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-23 14:24:41,560 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:41,560 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:24:41,560 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:41,560 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:41,560 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:41,561 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 14:24:41,561 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 14:24:41,561 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:41,568 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:41,568 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-23 14:24:41,569 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:41,569 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:41,569 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 14:24:41,569 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:41,570 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:41,570 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:41,570 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 14:24:41,571 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 14:24:41,571 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:41,582 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:41,582 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-23 14:24:41,582 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:41,583 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:41,583 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 14:24:41,583 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:41,583 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:41,583 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:41,584 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 14:24:41,585 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 14:24:41,585 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:41,601 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:41,601 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-23 14:24:41,602 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:41,602 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:41,602 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 14:24:41,602 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:41,603 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:41,603 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:41,603 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 14:24:41,605 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 14:24:41,605 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:41,630 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:41,630 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-23 14:24:41,630 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:41,631 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:41,631 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 14:24:41,631 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:41,631 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:41,631 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:41,632 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 14:24:41,633 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 14:24:41,633 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:41,640 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:41,640 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-23 14:24:41,640 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:41,641 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:41,641 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 14:24:41,641 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:41,641 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:41,641 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:41,641 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 14:24:41,643 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 14:24:41,643 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:41,700 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:41,755 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 14:24:41,755 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 14:24:41,755 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 14:24:41,755 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 14:24:41,755 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 14:24:41,755 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 14:24:41,755 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 14:24:41,756 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 14:24:41,756 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-23 14:24:41,756 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 14:24:41,756 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 14:24:41,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 14:24:41,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 14:24:41,865 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 14:24:41,865 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5688c9ad-de9d-41f6-be1b-979401421037/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 14:24:41,873 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 14:24:41,873 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5688c9ad-de9d-41f6-be1b-979401421037/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 14:24:41,914 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 14:24:41,914 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 14:24:57,218 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-23 14:24:57,226 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 14:24:57,227 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 14:24:57,227 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 14:24:57,227 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 14:24:57,227 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 14:24:57,227 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 14:24:57,227 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 14:24:57,227 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 14:24:57,227 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-23 14:24:57,227 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 14:24:57,227 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 14:24:57,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 14:24:57,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 14:24:57,304 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 14:24:57,304 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 14:24:57,305 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:57,305 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:24:57,305 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:57,305 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:57,306 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 14:24:57,307 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 14:24:57,307 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 14:24:57,313 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:57,313 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:57,314 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:24:57,314 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:57,314 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:57,314 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:57,314 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 14:24:57,314 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 14:24:57,314 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:57,315 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:57,315 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-23 14:24:57,315 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:57,315 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:24:57,315 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:57,315 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:57,315 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 14:24:57,317 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 14:24:57,317 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 14:24:57,325 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:57,325 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:57,325 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:24:57,326 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:57,326 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:57,326 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:57,326 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 14:24:57,326 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 14:24:57,326 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:57,326 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:57,326 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-23 14:24:57,326 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:57,327 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:24:57,327 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:57,327 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:57,327 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 14:24:57,329 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 14:24:57,329 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 14:24:57,340 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:57,340 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:57,340 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:24:57,340 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:57,341 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:57,341 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:57,341 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 14:24:57,341 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 14:24:57,341 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:57,341 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:57,342 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-23 14:24:57,342 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:57,342 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:24:57,342 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:57,342 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:57,343 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 14:24:57,345 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 14:24:57,345 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 14:24:57,358 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:57,358 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:57,358 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:24:57,359 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:57,359 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:57,359 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:57,359 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 14:24:57,359 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 14:24:57,359 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:57,360 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:57,360 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-23 14:24:57,360 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:57,360 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:57,361 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 14:24:57,361 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:57,361 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:57,361 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 14:24:57,363 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 14:24:57,363 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 14:24:57,390 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:57,390 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:57,390 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:57,391 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 14:24:57,391 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:57,391 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:57,391 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:57,391 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 14:24:57,392 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 14:24:57,392 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:57,392 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:57,392 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-23 14:24:57,392 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:57,393 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:57,393 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 14:24:57,393 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:57,393 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:57,393 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 14:24:57,396 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 14:24:57,397 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 14:24:57,439 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:57,440 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:57,440 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:57,440 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 14:24:57,440 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:57,440 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:57,441 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:57,441 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 14:24:57,441 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 14:24:57,441 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:57,442 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:57,442 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-23 14:24:57,442 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:57,443 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:57,443 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 14:24:57,443 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:57,443 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:57,443 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 14:24:57,447 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 14:24:57,448 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 14:24:57,510 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:57,511 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:57,511 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:57,511 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 14:24:57,511 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:57,511 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:57,512 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:57,512 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 14:24:57,513 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 14:24:57,513 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:57,513 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:57,513 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-23 14:24:57,514 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 [2018-11-23 14:24:57,514 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:57,514 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 14:24:57,514 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:57,514 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:57,514 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 14:24:57,517 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 14:24:57,517 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 14:24:57,543 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:57,543 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:57,544 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:57,544 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 14:24:57,544 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:57,544 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:57,544 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:57,544 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 14:24:57,545 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 14:24:57,545 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:57,545 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:57,546 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-23 14:24:57,546 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:57,546 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:57,546 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 14:24:57,546 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:57,547 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:57,547 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 14:24:57,550 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-23 14:24:57,550 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-23 14:24:57,612 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:57,612 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:24:57,613 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 14:24:57,613 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 14:24:57,613 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:24:57,613 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:24:57,613 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:24:57,613 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 14:24:57,614 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 14:24:57,614 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:24:57,615 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:24:57,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:24:57 BoogieIcfgContainer [2018-11-23 14:24:57,619 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 14:24:57,620 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:24:57,620 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:24:57,620 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:24:57,620 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:23:56" (3/4) ... [2018-11-23 14:24:57,623 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 14:24:57,623 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:24:57,624 INFO L168 Benchmark]: Toolchain (without parser) took 61757.58 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 232.3 MB). Free memory was 959.2 MB in the beginning and 1.0 GB in the end (delta: -45.5 MB). Peak memory consumption was 186.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:24:57,625 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:24:57,625 INFO L168 Benchmark]: CACSL2BoogieTranslator took 156.10 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:24:57,626 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.27 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:24:57,626 INFO L168 Benchmark]: Boogie Preprocessor took 53.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 945.8 MB in the beginning and 1.2 GB in the end (delta: -215.0 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-23 14:24:57,627 INFO L168 Benchmark]: RCFGBuilder took 128.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:24:57,627 INFO L168 Benchmark]: BuchiAutomizer took 61391.57 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 141.5 MB). Peak memory consumption was 330.5 MB. Max. memory is 11.5 GB. [2018-11-23 14:24:57,628 INFO L168 Benchmark]: Witness Printer took 3.47 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:24:57,631 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 156.10 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.27 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 945.8 MB in the beginning and 1.2 GB in the end (delta: -215.0 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 128.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 61391.57 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 141.5 MB). Peak memory consumption was 330.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.47 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 61.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 61.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div644 bol100 ite100 ukn100 eq141 hnf42 smp89 dnf100 smp100 tf102 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 66ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 31.2s - 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...