./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/Nested_true-termination_true-no-overflow.c --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version 1dbac8bc
Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fd911d0a-83b8-4691-9cef-7737d6fc6536/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fd911d0a-83b8-4691-9cef-7737d6fc6536/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fd911d0a-83b8-4691-9cef-7737d6fc6536/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fd911d0a-83b8-4691-9cef-7737d6fc6536/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/Nested_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fd911d0a-83b8-4691-9cef-7737d6fc6536/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fd911d0a-83b8-4691-9cef-7737d6fc6536/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 64bit --witnessprinter.graph.data.programhash 5f36db653fc1ba72ccbb6cf21df7b84599ee28f0
...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.1.23-1dbac8b
[2018-10-27 06:12:08,327 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-10-27 06:12:08,328 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
[2018-10-27 06:12:08,337 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-10-27 06:12:08,337 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-10-27 06:12:08,338 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-10-27 06:12:08,339 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-10-27 06:12:08,341 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values
[2018-10-27 06:12:08,342 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-10-27 06:12:08,343 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-10-27 06:12:08,343 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-10-27 06:12:08,344 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-10-27 06:12:08,344 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2018-10-27 06:12:08,345 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-10-27 06:12:08,346 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2018-10-27 06:12:08,346 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-10-27 06:12:08,348 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-10-27 06:12:08,349 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-10-27 06:12:08,350 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-10-27 06:12:08,352 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-10-27 06:12:08,353 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-10-27 06:12:08,354 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-10-27 06:12:08,356 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-10-27 06:12:08,356 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-10-27 06:12:08,356 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2018-10-27 06:12:08,357 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-10-27 06:12:08,358 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-10-27 06:12:08,358 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values
[2018-10-27 06:12:08,360 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values
[2018-10-27 06:12:08,361 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-10-27 06:12:08,361 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values
[2018-10-27 06:12:08,361 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-10-27 06:12:08,362 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring...
[2018-10-27 06:12:08,362 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values
[2018-10-27 06:12:08,363 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values
[2018-10-27 06:12:08,364 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-10-27 06:12:08,364 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fd911d0a-83b8-4691-9cef-7737d6fc6536/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf
[2018-10-27 06:12:08,381 INFO L110 SettingsManager]: Loading preferences was successful
[2018-10-27 06:12:08,382 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-10-27 06:12:08,382 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-10-27 06:12:08,383 INFO L133 SettingsManager]: * Create parallel compositions if possible=false
[2018-10-27 06:12:08,383 INFO L133 SettingsManager]: * Use SBE=true
[2018-10-27 06:12:08,386 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2018-10-27 06:12:08,386 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2018-10-27 06:12:08,386 INFO L133 SettingsManager]: * Use old map elimination=false
[2018-10-27 06:12:08,386 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false
[2018-10-27 06:12:08,386 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true
[2018-10-27 06:12:08,386 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2018-10-27 06:12:08,387 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-10-27 06:12:08,387 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2018-10-27 06:12:08,387 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-10-27 06:12:08,388 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-10-27 06:12:08,389 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2018-10-27 06:12:08,389 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2018-10-27 06:12:08,389 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2018-10-27 06:12:08,389 INFO L133 SettingsManager]: * Check if freed pointer was valid=false
[2018-10-27 06:12:08,389 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false
[2018-10-27 06:12:08,389 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2018-10-27 06:12:08,390 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-10-27 06:12:08,390 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements
[2018-10-27 06:12:08,390 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump
[2018-10-27 06:12:08,390 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-10-27 06:12:08,390 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL
[2018-10-27 06:12:08,390 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto
[2018-10-27 06:12:08,391 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2018-10-27 06:12:08,391 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_fd911d0a-83b8-4691-9cef-7737d6fc6536/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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f36db653fc1ba72ccbb6cf21df7b84599ee28f0
[2018-10-27 06:12:08,429 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-10-27 06:12:08,441 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2018-10-27 06:12:08,444 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2018-10-27 06:12:08,445 INFO L271 PluginConnector]: Initializing CDTParser...
[2018-10-27 06:12:08,445 INFO L276 PluginConnector]: CDTParser initialized
[2018-10-27 06:12:08,446 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fd911d0a-83b8-4691-9cef-7737d6fc6536/bin-2019/uautomizer/../../sv-benchmarks/c/termination-restricted-15/Nested_true-termination_true-no-overflow.c
[2018-10-27 06:12:08,492 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd911d0a-83b8-4691-9cef-7737d6fc6536/bin-2019/uautomizer/data/05a836b49/5fd16da2477543179f32fd215bbc820e/FLAGcff79517e
[2018-10-27 06:12:08,869 INFO L298 CDTParser]: Found 1 translation units.
[2018-10-27 06:12:08,869 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fd911d0a-83b8-4691-9cef-7737d6fc6536/sv-benchmarks/c/termination-restricted-15/Nested_true-termination_true-no-overflow.c
[2018-10-27 06:12:08,874 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd911d0a-83b8-4691-9cef-7737d6fc6536/bin-2019/uautomizer/data/05a836b49/5fd16da2477543179f32fd215bbc820e/FLAGcff79517e
[2018-10-27 06:12:08,890 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fd911d0a-83b8-4691-9cef-7737d6fc6536/bin-2019/uautomizer/data/05a836b49/5fd16da2477543179f32fd215bbc820e
[2018-10-27 06:12:08,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-10-27 06:12:08,894 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2018-10-27 06:12:08,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-10-27 06:12:08,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-10-27 06:12:08,902 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized
[2018-10-27 06:12:08,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:12:08" (1/1) ...
[2018-10-27 06:12:08,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@244871b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:08, skipping insertion in model container
[2018-10-27 06:12:08,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:12:08" (1/1) ...
[2018-10-27 06:12:08,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2018-10-27 06:12:08,927 INFO L174 MainTranslator]: Built tables and reachable declarations
[2018-10-27 06:12:09,051 INFO L202 PostProcessor]: Analyzing one entry point: main
[2018-10-27 06:12:09,054 INFO L189 MainTranslator]: Completed pre-run
[2018-10-27 06:12:09,067 INFO L202 PostProcessor]: Analyzing one entry point: main
[2018-10-27 06:12:09,078 INFO L193 MainTranslator]: Completed translation
[2018-10-27 06:12:09,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:09 WrapperNode
[2018-10-27 06:12:09,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-10-27 06:12:09,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2018-10-27 06:12:09,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2018-10-27 06:12:09,080 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized
[2018-10-27 06:12:09,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:09" (1/1) ...
[2018-10-27 06:12:09,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:09" (1/1) ...
[2018-10-27 06:12:09,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2018-10-27 06:12:09,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-10-27 06:12:09,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-10-27 06:12:09,107 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-10-27 06:12:09,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:09" (1/1) ...
[2018-10-27 06:12:09,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:09" (1/1) ...
[2018-10-27 06:12:09,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:09" (1/1) ...
[2018-10-27 06:12:09,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:09" (1/1) ...
[2018-10-27 06:12:09,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:09" (1/1) ...
[2018-10-27 06:12:09,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:09" (1/1) ...
[2018-10-27 06:12:09,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:09" (1/1) ...
[2018-10-27 06:12:09,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-10-27 06:12:09,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-10-27 06:12:09,123 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-10-27 06:12:09,123 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-10-27 06:12:09,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:09" (1/1) ...
No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd911d0a-83b8-4691-9cef-7737d6fc6536/bin-2019/uautomizer/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2018-10-27 06:12:09,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-10-27 06:12:09,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-10-27 06:12:09,355 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-10-27 06:12:09,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:12:09 BoogieIcfgContainer
[2018-10-27 06:12:09,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-10-27 06:12:09,356 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2018-10-27 06:12:09,357 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2018-10-27 06:12:09,360 INFO L276 PluginConnector]: BuchiAutomizer initialized
[2018-10-27 06:12:09,361 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2018-10-27 06:12:09,361 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:12:08" (1/3) ...
[2018-10-27 06:12:09,362 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21715a77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:12:09, skipping insertion in model container
[2018-10-27 06:12:09,362 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2018-10-27 06:12:09,362 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:09" (2/3) ...
[2018-10-27 06:12:09,363 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21715a77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:12:09, skipping insertion in model container
[2018-10-27 06:12:09,363 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2018-10-27 06:12:09,364 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:12:09" (3/3) ...
[2018-10-27 06:12:09,366 INFO L375 chiAutomizerObserver]: Analyzing ICFG Nested_true-termination_true-no-overflow.c
[2018-10-27 06:12:09,409 INFO L135 ementStrategyFactory]: Using default assertion order modulation
[2018-10-27 06:12:09,410 INFO L374 BuchiCegarLoop]: Interprodecural is true
[2018-10-27 06:12:09,410 INFO L375 BuchiCegarLoop]: Hoare is false
[2018-10-27 06:12:09,410 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2018-10-27 06:12:09,410 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2018-10-27 06:12:09,410 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-10-27 06:12:09,410 INFO L379 BuchiCegarLoop]: Difference is false
[2018-10-27 06:12:09,410 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-10-27 06:12:09,410 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2018-10-27 06:12:09,421 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states.
[2018-10-27 06:12:09,436 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5
[2018-10-27 06:12:09,437 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2018-10-27 06:12:09,437 INFO L119 BuchiIsEmpty]: Starting construction of run
[2018-10-27 06:12:09,443 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2018-10-27 06:12:09,443 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1]
[2018-10-27 06:12:09,443 INFO L442 BuchiCegarLoop]: ======== Iteration 1============
[2018-10-27 06:12:09,443 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states.
[2018-10-27 06:12:09,444 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5
[2018-10-27 06:12:09,444 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2018-10-27 06:12:09,444 INFO L119 BuchiIsEmpty]: Starting construction of run
[2018-10-27 06:12:09,445 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2018-10-27 06:12:09,445 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1]
[2018-10-27 06:12:09,451 INFO L793 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_~i~0, main_~j~0;havoc main_~i~0;havoc main_~j~0;main_~i~0 := 0;main_~j~0 := 3; 9#L11-3true
[2018-10-27 06:12:09,451 INFO L795 eck$LassoCheckResult]: Loop: 9#L11-3true assume true; 4#L11-1true assume !!(main_~i~0 < 10); 13#L12-3true assume !true; 10#L12-4true main_~i~0 := main_~i~0 + 1; 9#L11-3true
[2018-10-27 06:12:09,455 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-10-27 06:12:09,456 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times
[2018-10-27 06:12:09,457 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-10-27 06:12:09,458 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-10-27 06:12:09,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-27 06:12:09,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-10-27 06:12:09,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-27 06:12:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-10-27 06:12:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-10-27 06:12:09,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-10-27 06:12:09,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1114569, now seen corresponding path program 1 times
[2018-10-27 06:12:09,526 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-10-27 06:12:09,527 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-10-27 06:12:09,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-27 06:12:09,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-10-27 06:12:09,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-27 06:12:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-27 06:12:09,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-10-27 06:12:09,555 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-10-27 06:12:09,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-10-27 06:12:09,560 INFO L810 eck$LassoCheckResult]: loop already infeasible
[2018-10-27 06:12:09,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2018-10-27 06:12:09,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2018-10-27 06:12:09,571 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 2 states.
[2018-10-27 06:12:09,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-10-27 06:12:09,576 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions.
[2018-10-27 06:12:09,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2018-10-27 06:12:09,578 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions.
[2018-10-27 06:12:09,579 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5
[2018-10-27 06:12:09,582 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 7 states and 8 transitions.
[2018-10-27 06:12:09,584 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7
[2018-10-27 06:12:09,584 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7
[2018-10-27 06:12:09,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions.
[2018-10-27 06:12:09,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2018-10-27 06:12:09,585 INFO L705 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions.
[2018-10-27 06:12:09,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions.
[2018-10-27 06:12:09,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7.
[2018-10-27 06:12:09,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2018-10-27 06:12:09,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions.
[2018-10-27 06:12:09,611 INFO L728 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions.
[2018-10-27 06:12:09,611 INFO L608 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions.
[2018-10-27 06:12:09,611 INFO L442 BuchiCegarLoop]: ======== Iteration 2============
[2018-10-27 06:12:09,612 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions.
[2018-10-27 06:12:09,612 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5
[2018-10-27 06:12:09,612 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2018-10-27 06:12:09,612 INFO L119 BuchiIsEmpty]: Starting construction of run
[2018-10-27 06:12:09,613 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2018-10-27 06:12:09,613 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1]
[2018-10-27 06:12:09,613 INFO L793 eck$LassoCheckResult]: Stem: 34#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 30#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_~i~0, main_~j~0;havoc main_~i~0;havoc main_~j~0;main_~i~0 := 0;main_~j~0 := 3; 31#L11-3
[2018-10-27 06:12:09,613 INFO L795 eck$LassoCheckResult]: Loop: 31#L11-3 assume true; 32#L11-1 assume !!(main_~i~0 < 10); 33#L12-3 assume true; 35#L12-1 assume !(main_~j~0 < 12); 36#L12-4 main_~i~0 := main_~i~0 + 1; 31#L11-3
[2018-10-27 06:12:09,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-10-27 06:12:09,614 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times
[2018-10-27 06:12:09,614 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-10-27 06:12:09,614 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-10-27 06:12:09,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-27 06:12:09,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-10-27 06:12:09,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-27 06:12:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-10-27 06:12:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-10-27 06:12:09,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-10-27 06:12:09,621 INFO L82 PathProgramCache]: Analyzing trace with hash 34543791, now seen corresponding path program 1 times
[2018-10-27 06:12:09,621 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-10-27 06:12:09,621 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-10-27 06:12:09,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-27 06:12:09,622 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2018-10-27 06:12:09,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-27 06:12:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-10-27 06:12:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-10-27 06:12:09,631 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-10-27 06:12:09,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1805983277, now seen corresponding path program 1 times
[2018-10-27 06:12:09,631 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-10-27 06:12:09,631 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-10-27 06:12:09,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-27 06:12:09,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-10-27 06:12:09,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-27 06:12:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-27 06:12:09,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-10-27 06:12:09,713 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-10-27 06:12:09,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2018-10-27 06:12:09,816 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 12
[2018-10-27 06:12:09,935 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 12
[2018-10-27 06:12:09,953 INFO L214 LassoAnalysis]: Preferences:
[2018-10-27 06:12:09,953 INFO L124 ssoRankerPreferences]: Compute integeral hull: false
[2018-10-27 06:12:09,954 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2018-10-27 06:12:09,954 INFO L126 ssoRankerPreferences]: Term annotations enabled: false
[2018-10-27 06:12:09,954 INFO L127 ssoRankerPreferences]: Use exernal solver: true
[2018-10-27 06:12:09,954 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2018-10-27 06:12:09,954 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false
[2018-10-27 06:12:09,954 INFO L130 ssoRankerPreferences]: Path of dumped script:
[2018-10-27 06:12:09,954 INFO L131 ssoRankerPreferences]: Filename of dumped script: Nested_true-termination_true-no-overflow.c_Iteration2_Loop
[2018-10-27 06:12:09,954 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank
[2018-10-27 06:12:09,955 INFO L280 LassoAnalysis]: Starting lasso preprocessing...
[2018-10-27 06:12:09,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2018-10-27 06:12:09,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2018-10-27 06:12:09,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2018-10-27 06:12:09,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2018-10-27 06:12:10,097 INFO L298 LassoAnalysis]: Preprocessing complete.
[2018-10-27 06:12:10,097 INFO L410 LassoAnalysis]: Checking for nontermination...
No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd911d0a-83b8-4691-9cef-7737d6fc6536/bin-2019/uautomizer/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2018-10-27 06:12:10,114 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2018-10-27 06:12:10,114 INFO L163 nArgumentSynthesizer]: Using integer mode.
[2018-10-27 06:12:10,142 INFO L443 LassoAnalysis]: Proved nontermination for one component.
[2018-10-27 06:12:10,142 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: []
No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd911d0a-83b8-4691-9cef-7737d6fc6536/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)
[2018-10-27 06:12:10,147 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2018-10-27 06:12:10,147 INFO L163 nArgumentSynthesizer]: Using integer mode.
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2018-10-27 06:12:10,169 INFO L443 LassoAnalysis]: Proved nontermination for one component.
[2018-10-27 06:12:10,169 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: []
No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd911d0a-83b8-4691-9cef-7737d6fc6536/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)
[2018-10-27 06:12:10,184 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2018-10-27 06:12:10,184 INFO L163 nArgumentSynthesizer]: Using integer mode.
Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2018-10-27 06:12:10,206 INFO L443 LassoAnalysis]: Proved nontermination for one component.
[2018-10-27 06:12:10,206 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0=12} Honda state: {ULTIMATE.start_main_~j~0=12} Generalized eigenvectors: [] Lambdas: [] Nus: []
No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd911d0a-83b8-4691-9cef-7737d6fc6536/bin-2019/uautomizer/z3
Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2018-10-27 06:12:10,211 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2018-10-27 06:12:10,211 INFO L163 nArgumentSynthesizer]: Using integer mode.
No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd911d0a-83b8-4691-9cef-7737d6fc6536/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
[2018-10-27 06:12:10,238 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true
[2018-10-27 06:12:10,238 INFO L163 nArgumentSynthesizer]: Using integer mode.
[2018-10-27 06:12:10,260 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists.
[2018-10-27 06:12:10,260 INFO L214 LassoAnalysis]: Preferences:
[2018-10-27 06:12:10,261 INFO L124 ssoRankerPreferences]: Compute integeral hull: false
[2018-10-27 06:12:10,261 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2018-10-27 06:12:10,261 INFO L126 ssoRankerPreferences]: Term annotations enabled: false
[2018-10-27 06:12:10,261 INFO L127 ssoRankerPreferences]: Use exernal solver: false
[2018-10-27 06:12:10,261 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2018-10-27 06:12:10,261 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false
[2018-10-27 06:12:10,261 INFO L130 ssoRankerPreferences]: Path of dumped script:
[2018-10-27 06:12:10,261 INFO L131 ssoRankerPreferences]: Filename of dumped script: Nested_true-termination_true-no-overflow.c_Iteration2_Loop
[2018-10-27 06:12:10,261 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank
[2018-10-27 06:12:10,261 INFO L280 LassoAnalysis]: Starting lasso preprocessing...
[2018-10-27 06:12:10,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2018-10-27 06:12:10,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2018-10-27 06:12:10,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2018-10-27 06:12:10,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2018-10-27 06:12:10,538 INFO L298 LassoAnalysis]: Preprocessing complete.
[2018-10-27 06:12:10,541 INFO L496 LassoAnalysis]: Using template 'affine'.
[2018-10-27 06:12:10,542 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
[2018-10-27 06:12:10,543 INFO L339 nArgumentSynthesizer]: Template has degree 0.
[2018-10-27 06:12:10,544 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts
[2018-10-27 06:12:10,544 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts
[2018-10-27 06:12:10,544 INFO L207 nArgumentSynthesizer]: 2 template conjuncts.
[2018-10-27 06:12:10,546 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2018-10-27 06:12:10,547 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2018-10-27 06:12:10,552 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings.
[2018-10-27 06:12:10,553 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings:
Termination analysis: LINEAR_WITH_GUESSES
Number of strict supporting invariants: 0
Number of non-strict supporting invariants: 1
Consider only non-deceasing supporting invariants: true
Simplify termination arguments: true
Simplify supporting invariants: trueOverapproximate stem: false
[2018-10-27 06:12:10,554 INFO L339 nArgumentSynthesizer]: Template has degree 0.
[2018-10-27 06:12:10,554 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts
[2018-10-27 06:12:10,554 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts
[2018-10-27 06:12:10,554 INFO L207 nArgumentSynthesizer]: 2 template conjuncts.
[2018-10-27 06:12:10,557 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2018-10-27 06:12:10,557 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2018-10-27 06:12:10,565 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings.
[2018-10-27 06:12:10,566 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings:
Termination analysis: LINEAR_WITH_GUESSES
Number of strict supporting invariants: 0
Number of non-strict supporting invariants: 1
Consider only non-deceasing supporting invariants: true
Simplify termination arguments: true
Simplify supporting invariants: trueOverapproximate stem: false
[2018-10-27 06:12:10,566 INFO L339 nArgumentSynthesizer]: Template has degree 0.
[2018-10-27 06:12:10,567 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2018-10-27 06:12:10,568 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts
[2018-10-27 06:12:10,568 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts
[2018-10-27 06:12:10,568 INFO L207 nArgumentSynthesizer]: 2 template conjuncts.
[2018-10-27 06:12:10,569 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2018-10-27 06:12:10,569 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2018-10-27 06:12:10,579 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings.
[2018-10-27 06:12:10,580 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
[2018-10-27 06:12:10,580 INFO L339 nArgumentSynthesizer]: Template has degree 0.
[2018-10-27 06:12:10,580 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2018-10-27 06:12:10,580 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts
[2018-10-27 06:12:10,580 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts
[2018-10-27 06:12:10,580 INFO L207 nArgumentSynthesizer]: 2 template conjuncts.
[2018-10-27 06:12:10,581 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2018-10-27 06:12:10,581 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2018-10-27 06:12:10,586 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2018-10-27 06:12:10,590 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver.
[2018-10-27 06:12:10,590 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero.
[2018-10-27 06:12:10,592 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants...
[2018-10-27 06:12:10,592 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0.
[2018-10-27 06:12:10,593 INFO L517 LassoAnalysis]: Proved termination.
[2018-10-27 06:12:10,593 INFO L519 LassoAnalysis]: Termination argument consisting of:
Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 19
Supporting invariants []
[2018-10-27 06:12:10,594 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed
[2018-10-27 06:12:10,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-10-27 06:12:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-27 06:12:10,698 INFO L273 TraceCheckSpWp]: Computing forward predicates...
[2018-10-27 06:12:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-27 06:12:10,705 INFO L273 TraceCheckSpWp]: Computing forward predicates...
[2018-10-27 06:12:10,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-10-27 06:12:10,722 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates
[2018-10-27 06:12:10,723 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand 4 states.
[2018-10-27 06:12:10,763 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2. Second operand 4 states. Result 12 states and 15 transitions. Complement of second has 6 states.
[2018-10-27 06:12:10,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states
[2018-10-27 06:12:10,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2018-10-27 06:12:10,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions.
[2018-10-27 06:12:10,766 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 5 letters.
[2018-10-27 06:12:10,767 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2018-10-27 06:12:10,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 7 letters. Loop has 5 letters.
[2018-10-27 06:12:10,767 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2018-10-27 06:12:10,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 10 letters.
[2018-10-27 06:12:10,767 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2018-10-27 06:12:10,768 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions.
[2018-10-27 06:12:10,769 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2018-10-27 06:12:10,769 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 11 states and 14 transitions.
[2018-10-27 06:12:10,769 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5
[2018-10-27 06:12:10,770 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6
[2018-10-27 06:12:10,770 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions.
[2018-10-27 06:12:10,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic.
[2018-10-27 06:12:10,770 INFO L705 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions.
[2018-10-27 06:12:10,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions.
[2018-10-27 06:12:10,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11.
[2018-10-27 06:12:10,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2018-10-27 06:12:10,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions.
[2018-10-27 06:12:10,772 INFO L728 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions.
[2018-10-27 06:12:10,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-10-27 06:12:10,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-10-27 06:12:10,772 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. Second operand 3 states.
[2018-10-27 06:12:10,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-10-27 06:12:10,789 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions.
[2018-10-27 06:12:10,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2018-10-27 06:12:10,790 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions.
[2018-10-27 06:12:10,791 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2018-10-27 06:12:10,792 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 20 transitions.
[2018-10-27 06:12:10,792 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9
[2018-10-27 06:12:10,793 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9
[2018-10-27 06:12:10,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 20 transitions.
[2018-10-27 06:12:10,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic.
[2018-10-27 06:12:10,794 INFO L705 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions.
[2018-10-27 06:12:10,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 20 transitions.
[2018-10-27 06:12:10,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 14.
[2018-10-27 06:12:10,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states.
[2018-10-27 06:12:10,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions.
[2018-10-27 06:12:10,795 INFO L728 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions.
[2018-10-27 06:12:10,795 INFO L608 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions.
[2018-10-27 06:12:10,795 INFO L442 BuchiCegarLoop]: ======== Iteration 3============
[2018-10-27 06:12:10,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions.
[2018-10-27 06:12:10,796 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2018-10-27 06:12:10,796 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2018-10-27 06:12:10,796 INFO L119 BuchiIsEmpty]: Starting construction of run
[2018-10-27 06:12:10,796 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1]
[2018-10-27 06:12:10,796 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1]
[2018-10-27 06:12:10,797 INFO L793 eck$LassoCheckResult]: Stem: 128#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 122#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_~i~0, main_~j~0;havoc main_~i~0;havoc main_~j~0;main_~i~0 := 0;main_~j~0 := 3; 123#L11-3 assume true; 124#L11-1 assume !!(main_~i~0 < 10); 125#L12-3
[2018-10-27 06:12:10,797 INFO L795 eck$LassoCheckResult]: Loop: 125#L12-3 assume true; 129#L12-1 assume !!(main_~j~0 < 12);main_~j~0 := main_~j~0 - 1;main_~j~0 := main_~j~0 + 2; 125#L12-3
[2018-10-27 06:12:10,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-10-27 06:12:10,797 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 1 times
[2018-10-27 06:12:10,797 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-10-27 06:12:10,797 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-10-27 06:12:10,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-27 06:12:10,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-10-27 06:12:10,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-27 06:12:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-10-27 06:12:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-10-27 06:12:10,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-10-27 06:12:10,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1479, now seen corresponding path program 1 times
[2018-10-27 06:12:10,806 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-10-27 06:12:10,806 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-10-27 06:12:10,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-27 06:12:10,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-10-27 06:12:10,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-27 06:12:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-10-27 06:12:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-10-27 06:12:10,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-10-27 06:12:10,814 INFO L82 PathProgramCache]: Analyzing trace with hash 889541519, now seen corresponding path program 1 times
[2018-10-27 06:12:10,814 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-10-27 06:12:10,815 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-10-27 06:12:10,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-27 06:12:10,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-10-27 06:12:10,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-27 06:12:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-10-27 06:12:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-10-27 06:12:10,844 INFO L214 LassoAnalysis]: Preferences:
[2018-10-27 06:12:10,844 INFO L124 ssoRankerPreferences]: Compute integeral hull: false
[2018-10-27 06:12:10,845 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2018-10-27 06:12:10,845 INFO L126 ssoRankerPreferences]: Term annotations enabled: false
[2018-10-27 06:12:10,845 INFO L127 ssoRankerPreferences]: Use exernal solver: true
[2018-10-27 06:12:10,845 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2018-10-27 06:12:10,845 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false
[2018-10-27 06:12:10,845 INFO L130 ssoRankerPreferences]: Path of dumped script:
[2018-10-27 06:12:10,845 INFO L131 ssoRankerPreferences]: Filename of dumped script: Nested_true-termination_true-no-overflow.c_Iteration3_Loop
[2018-10-27 06:12:10,845 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank
[2018-10-27 06:12:10,845 INFO L280 LassoAnalysis]: Starting lasso preprocessing...
[2018-10-27 06:12:10,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2018-10-27 06:12:10,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2018-10-27 06:12:10,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2018-10-27 06:12:10,897 INFO L298 LassoAnalysis]: Preprocessing complete.
[2018-10-27 06:12:10,897 INFO L410 LassoAnalysis]: Checking for nontermination...
No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd911d0a-83b8-4691-9cef-7737d6fc6536/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
[2018-10-27 06:12:10,900 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2018-10-27 06:12:10,900 INFO L163 nArgumentSynthesizer]: Using integer mode.
[2018-10-27 06:12:10,917 INFO L443 LassoAnalysis]: Proved nontermination for one component.
[2018-10-27 06:12:10,918 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: []
No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd911d0a-83b8-4691-9cef-7737d6fc6536/bin-2019/uautomizer/z3
Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2018-10-27 06:12:10,921 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2018-10-27 06:12:10,921 INFO L163 nArgumentSynthesizer]: Using integer mode.
No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd911d0a-83b8-4691-9cef-7737d6fc6536/bin-2019/uautomizer/z3
Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2018-10-27 06:12:10,960 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true
[2018-10-27 06:12:10,960 INFO L163 nArgumentSynthesizer]: Using integer mode.
[2018-10-27 06:12:10,982 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists.
[2018-10-27 06:12:10,983 INFO L214 LassoAnalysis]: Preferences:
[2018-10-27 06:12:10,983 INFO L124 ssoRankerPreferences]: Compute integeral hull: false
[2018-10-27 06:12:10,984 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2018-10-27 06:12:10,984 INFO L126 ssoRankerPreferences]: Term annotations enabled: false
[2018-10-27 06:12:10,984 INFO L127 ssoRankerPreferences]: Use exernal solver: false
[2018-10-27 06:12:10,984 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2018-10-27 06:12:10,984 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false
[2018-10-27 06:12:10,984 INFO L130 ssoRankerPreferences]: Path of dumped script:
[2018-10-27 06:12:10,984 INFO L131 ssoRankerPreferences]: Filename of dumped script: Nested_true-termination_true-no-overflow.c_Iteration3_Loop
[2018-10-27 06:12:10,984 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank
[2018-10-27 06:12:10,984 INFO L280 LassoAnalysis]: Starting lasso preprocessing...
[2018-10-27 06:12:10,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2018-10-27 06:12:10,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2018-10-27 06:12:10,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2018-10-27 06:12:11,108 INFO L298 LassoAnalysis]: Preprocessing complete.
[2018-10-27 06:12:11,108 INFO L496 LassoAnalysis]: Using template 'affine'.
[2018-10-27 06:12:11,108 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings:
Termination analysis: LINEAR_WITH_GUESSES
Number of strict supporting invariants: 0
Number of non-strict supporting invariants: 1
Consider only non-deceasing supporting invariants: true
Simplify termination arguments: true
Simplify supporting invariants: trueOverapproximate stem: false
[2018-10-27 06:12:11,109 INFO L339 nArgumentSynthesizer]: Template has degree 0.
[2018-10-27 06:12:11,109 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2018-10-27 06:12:11,109 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts
[2018-10-27 06:12:11,109 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts
[2018-10-27 06:12:11,109 INFO L207 nArgumentSynthesizer]: 2 template conjuncts.
[2018-10-27 06:12:11,110 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2018-10-27 06:12:11,110 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2018-10-27 06:12:11,114 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2018-10-27 06:12:11,119 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver.
[2018-10-27 06:12:11,119 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero.
[2018-10-27 06:12:11,119 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants...
[2018-10-27 06:12:11,119 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0.
[2018-10-27 06:12:11,119 INFO L517 LassoAnalysis]: Proved termination.
[2018-10-27 06:12:11,119 INFO L519 LassoAnalysis]: Termination argument consisting of:
Ranking function f(ULTIMATE.start_main_~j~0) = -2*ULTIMATE.start_main_~j~0 + 23
Supporting invariants []
[2018-10-27 06:12:11,120 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed
[2018-10-27 06:12:11,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-10-27 06:12:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-27 06:12:11,164 INFO L273 TraceCheckSpWp]: Computing forward predicates...
[2018-10-27 06:12:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-27 06:12:11,175 INFO L273 TraceCheckSpWp]: Computing forward predicates...
[2018-10-27 06:12:11,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-10-27 06:12:11,176 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates
[2018-10-27 06:12:11,176 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand 3 states.
[2018-10-27 06:12:11,245 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 28 states and 33 transitions. Complement of second has 4 states.
[2018-10-27 06:12:11,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states
[2018-10-27 06:12:11,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2018-10-27 06:12:11,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions.
[2018-10-27 06:12:11,248 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 4 letters. Loop has 2 letters.
[2018-10-27 06:12:11,248 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2018-10-27 06:12:11,248 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 6 letters. Loop has 2 letters.
[2018-10-27 06:12:11,248 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2018-10-27 06:12:11,248 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 4 letters. Loop has 4 letters.
[2018-10-27 06:12:11,248 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2018-10-27 06:12:11,249 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 33 transitions.
[2018-10-27 06:12:11,250 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2018-10-27 06:12:11,250 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions.
[2018-10-27 06:12:11,250 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0
[2018-10-27 06:12:11,250 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0
[2018-10-27 06:12:11,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions.
[2018-10-27 06:12:11,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2018-10-27 06:12:11,250 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2018-10-27 06:12:11,250 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2018-10-27 06:12:11,250 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2018-10-27 06:12:11,251 INFO L442 BuchiCegarLoop]: ======== Iteration 4============
[2018-10-27 06:12:11,251 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions.
[2018-10-27 06:12:11,251 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2018-10-27 06:12:11,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true
[2018-10-27 06:12:11,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:12:11 BoogieIcfgContainer
[2018-10-27 06:12:11,260 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2018-10-27 06:12:11,260 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2018-10-27 06:12:11,260 INFO L271 PluginConnector]: Initializing Witness Printer...
[2018-10-27 06:12:11,260 INFO L276 PluginConnector]: Witness Printer initialized
[2018-10-27 06:12:11,261 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:12:09" (3/4) ...
[2018-10-27 06:12:11,263 INFO L147 WitnessPrinter]: No result that supports witness generation found
[2018-10-27 06:12:11,263 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2018-10-27 06:12:11,264 INFO L168 Benchmark]: Toolchain (without parser) took 2370.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 963.4 MB in the beginning and 1.0 GB in the end (delta: -40.6 MB). Peak memory consumption was 109.9 MB. Max. memory is 11.5 GB.
[2018-10-27 06:12:11,265 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2018-10-27 06:12:11,265 INFO L168 Benchmark]: CACSL2BoogieTranslator took 182.99 ms. Allocated memory is still 1.0 GB. Free memory was 963.4 MB in the beginning and 952.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB.
[2018-10-27 06:12:11,266 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.48 ms. Allocated memory is still 1.0 GB. Free memory is still 952.7 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2018-10-27 06:12:11,266 INFO L168 Benchmark]: Boogie Preprocessor took 16.05 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 947.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB.
[2018-10-27 06:12:11,267 INFO L168 Benchmark]: RCFGBuilder took 233.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -192.3 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB.
[2018-10-27 06:12:11,270 INFO L168 Benchmark]: BuchiAutomizer took 1903.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 135.6 MB). Peak memory consumption was 135.6 MB. Max. memory is 11.5 GB.
[2018-10-27 06:12:11,271 INFO L168 Benchmark]: Witness Printer took 3.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB.
[2018-10-27 06:12:11,274 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB.
* CACSL2BoogieTranslator took 182.99 ms. Allocated memory is still 1.0 GB. Free memory was 963.4 MB in the beginning and 952.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB.
* Boogie Procedure Inliner took 26.48 ms. Allocated memory is still 1.0 GB. Free memory is still 952.7 MB. There was no memory consumed. Max. memory is 11.5 GB.
* Boogie Preprocessor took 16.05 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 947.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB.
* RCFGBuilder took 233.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -192.3 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB.
* BuchiAutomizer took 1903.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 135.6 MB). Peak memory consumption was 135.6 MB. Max. memory is 11.5 GB.
* Witness Printer took 3.64 ms. Allocated memory is still 1.2 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
Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 19 and consists of 4 locations. One deterministic module has affine ranking function -2 * j + 23 and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 1.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 14 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 33 SDtfs, 17 SDslu, 14 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax202 hnf98 lsp42 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s
- TerminationAnalysisResult: Termination proven
Buchi Automizer proved that your program is terminating
RESULT: Ultimate proved your program to be correct!
Received shutdown request...