./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7acbe52f-4b82-497f-ac38-51e3a99168fd/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7acbe52f-4b82-497f-ac38-51e3a99168fd/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7acbe52f-4b82-497f-ac38-51e3a99168fd/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7acbe52f-4b82-497f-ac38-51e3a99168fd/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7acbe52f-4b82-497f-ac38-51e3a99168fd/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7acbe52f-4b82-497f-ac38-51e3a99168fd/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 0a8f096dedbbe798ef2fe808d4231fc7a503c17f ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:22:35,313 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:22:35,314 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:22:35,321 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:22:35,321 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:22:35,322 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:22:35,322 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:22:35,324 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:22:35,325 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:22:35,325 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:22:35,326 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:22:35,326 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:22:35,327 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:22:35,328 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:22:35,328 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:22:35,329 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:22:35,329 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:22:35,331 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:22:35,332 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:22:35,333 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:22:35,334 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:22:35,335 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:22:35,336 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:22:35,336 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:22:35,336 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:22:35,337 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:22:35,337 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:22:35,338 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:22:35,338 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:22:35,339 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:22:35,339 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:22:35,340 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:22:35,340 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:22:35,340 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:22:35,340 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:22:35,341 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:22:35,341 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7acbe52f-4b82-497f-ac38-51e3a99168fd/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 12:22:35,351 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:22:35,351 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:22:35,352 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:22:35,352 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:22:35,352 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:22:35,352 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 12:22:35,352 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 12:22:35,353 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 12:22:35,353 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 12:22:35,353 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 12:22:35,353 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 12:22:35,353 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:22:35,353 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:22:35,353 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:22:35,353 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:22:35,353 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 12:22:35,353 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 12:22:35,353 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 12:22:35,354 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:22:35,354 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 12:22:35,354 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:22:35,354 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 12:22:35,354 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:22:35,354 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:22:35,354 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 12:22:35,355 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:22:35,355 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:22:35,355 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 12:22:35,355 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 12:22:35,355 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_7acbe52f-4b82-497f-ac38-51e3a99168fd/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 -> 0a8f096dedbbe798ef2fe808d4231fc7a503c17f [2018-11-28 12:22:35,377 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:22:35,385 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:22:35,387 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:22:35,388 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:22:35,388 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:22:35,389 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7acbe52f-4b82-497f-ac38-51e3a99168fd/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c [2018-11-28 12:22:35,425 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7acbe52f-4b82-497f-ac38-51e3a99168fd/bin-2019/uautomizer/data/5d6e7db1a/e13b0856bfec4e4b8805cea4bd0baf5e/FLAG0cb25038c [2018-11-28 12:22:35,826 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:22:35,827 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7acbe52f-4b82-497f-ac38-51e3a99168fd/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c [2018-11-28 12:22:35,831 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7acbe52f-4b82-497f-ac38-51e3a99168fd/bin-2019/uautomizer/data/5d6e7db1a/e13b0856bfec4e4b8805cea4bd0baf5e/FLAG0cb25038c [2018-11-28 12:22:35,840 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7acbe52f-4b82-497f-ac38-51e3a99168fd/bin-2019/uautomizer/data/5d6e7db1a/e13b0856bfec4e4b8805cea4bd0baf5e [2018-11-28 12:22:35,842 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:22:35,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:22:35,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:22:35,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:22:35,846 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:22:35,847 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:22:35" (1/1) ... [2018-11-28 12:22:35,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e991360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:35, skipping insertion in model container [2018-11-28 12:22:35,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:22:35" (1/1) ... [2018-11-28 12:22:35,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:22:35,863 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:22:35,958 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:22:35,960 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:22:35,969 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:22:35,977 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:22:35,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:35 WrapperNode [2018-11-28 12:22:35,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:22:35,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:22:35,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:22:35,978 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:22:35,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:35" (1/1) ... [2018-11-28 12:22:35,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:35" (1/1) ... [2018-11-28 12:22:35,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:22:35,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:22:35,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:22:35,996 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:22:36,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:35" (1/1) ... [2018-11-28 12:22:36,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:35" (1/1) ... [2018-11-28 12:22:36,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:35" (1/1) ... [2018-11-28 12:22:36,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:35" (1/1) ... [2018-11-28 12:22:36,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:35" (1/1) ... [2018-11-28 12:22:36,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:35" (1/1) ... [2018-11-28 12:22:36,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:35" (1/1) ... [2018-11-28 12:22:36,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:22:36,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:22:36,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:22:36,011 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:22:36,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7acbe52f-4b82-497f-ac38-51e3a99168fd/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:22:36,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:22:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:22:36,155 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:22:36,155 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-28 12:22:36,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:36 BoogieIcfgContainer [2018-11-28 12:22:36,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:22:36,156 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 12:22:36,156 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 12:22:36,159 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 12:22:36,159 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:22:36,160 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 12:22:35" (1/3) ... [2018-11-28 12:22:36,160 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6976db64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:22:36, skipping insertion in model container [2018-11-28 12:22:36,161 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:22:36,161 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:35" (2/3) ... [2018-11-28 12:22:36,161 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6976db64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:22:36, skipping insertion in model container [2018-11-28 12:22:36,161 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:22:36,161 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:36" (3/3) ... [2018-11-28 12:22:36,162 INFO L375 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c [2018-11-28 12:22:36,196 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:22:36,196 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 12:22:36,196 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 12:22:36,196 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 12:22:36,197 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:22:36,197 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:22:36,197 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 12:22:36,197 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:22:36,197 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 12:22:36,206 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2018-11-28 12:22:36,219 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 12:22:36,220 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:22:36,220 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:22:36,223 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 12:22:36,224 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 12:22:36,224 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 12:22:36,224 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2018-11-28 12:22:36,224 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 12:22:36,224 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:22:36,224 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:22:36,225 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 12:22:36,225 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 12:22:36,230 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~i~0, main_~j~0, main_~N~0;havoc main_~i~0;havoc main_~j~0;havoc main_~N~0;main_~j~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~N~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~i~0 := main_~N~0; 6#L19-2true [2018-11-28 12:22:36,230 INFO L796 eck$LassoCheckResult]: Loop: 6#L19-2true assume !!(main_~i~0 > 0); 8#L19true assume main_~j~0 > 0;main_~j~0 := main_~j~0 - 1; 6#L19-2true [2018-11-28 12:22:36,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:22:36,234 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-28 12:22:36,235 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:22:36,235 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:22:36,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:36,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:22:36,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:22:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:22:36,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:22:36,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2018-11-28 12:22:36,294 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:22:36,294 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:22:36,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:36,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:22:36,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:22:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:22:36,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:22:36,301 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2018-11-28 12:22:36,302 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:22:36,302 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:22:36,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:36,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:22:36,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:22:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:22:36,353 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:22:36,354 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:22:36,354 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:22:36,354 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:22:36,354 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 12:22:36,354 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:22:36,355 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:22:36,355 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:22:36,355 INFO L131 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-28 12:22:36,355 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:22:36,355 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:22:36,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:36,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:36,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:36,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:36,454 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:22:36,455 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7acbe52f-4b82-497f-ac38-51e3a99168fd/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:22:36,458 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:22:36,458 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:22:36,480 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 12:22:36,480 INFO L448 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_7acbe52f-4b82-497f-ac38-51e3a99168fd/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:22:36,482 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:22:36,482 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:22:36,497 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 12:22:36,497 INFO L448 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_7acbe52f-4b82-497f-ac38-51e3a99168fd/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:22:36,500 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:22:36,500 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7acbe52f-4b82-497f-ac38-51e3a99168fd/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:22:36,516 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 12:22:36,516 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:22:36,544 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 12:22:36,545 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:22:36,545 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:22:36,545 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:22:36,545 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:22:36,545 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 12:22:36,545 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:22:36,545 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:22:36,545 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:22:36,545 INFO L131 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-28 12:22:36,545 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:22:36,545 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:22:36,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:36,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:36,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:36,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:36,614 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:22:36,617 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 12:22:36,619 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:22:36,619 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:22:36,620 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:22:36,620 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:22:36,620 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:22:36,624 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:22:36,624 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:22:36,631 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:22:36,631 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:22:36,631 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:22:36,632 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:22:36,632 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:22:36,632 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:22:36,632 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:22:36,633 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:22:36,633 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:22:36,638 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 12:22:36,641 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 12:22:36,641 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-28 12:22:36,643 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 12:22:36,643 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 12:22:36,643 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 12:22:36,644 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~j~0 Supporting invariants [] [2018-11-28 12:22:36,645 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 12:22:36,684 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:22:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:22:36,692 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:22:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:22:36,699 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:22:36,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:22:36,710 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 [2018-11-28 12:22:36,711 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 3 states. [2018-11-28 12:22:36,743 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states.. Second operand 3 states. Result 23 states and 30 transitions. Complement of second has 6 states. [2018-11-28 12:22:36,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-28 12:22:36,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-28 12:22:36,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2018-11-28 12:22:36,746 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. [2018-11-28 12:22:36,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:22:36,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. [2018-11-28 12:22:36,748 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:22:36,748 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. [2018-11-28 12:22:36,748 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:22:36,748 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2018-11-28 12:22:36,751 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 12:22:36,754 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2018-11-28 12:22:36,754 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2018-11-28 12:22:36,755 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2018-11-28 12:22:36,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2018-11-28 12:22:36,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 12:22:36,755 INFO L705 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2018-11-28 12:22:36,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2018-11-28 12:22:36,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-11-28 12:22:36,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-28 12:22:36,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2018-11-28 12:22:36,772 INFO L728 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2018-11-28 12:22:36,772 INFO L608 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2018-11-28 12:22:36,772 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 12:22:36,772 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2018-11-28 12:22:36,772 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 12:22:36,773 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:22:36,773 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:22:36,773 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-28 12:22:36,773 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 12:22:36,773 INFO L794 eck$LassoCheckResult]: Stem: 63#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~i~0, main_~j~0, main_~N~0;havoc main_~i~0;havoc main_~j~0;havoc main_~N~0;main_~j~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~N~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~i~0 := main_~N~0; 64#L19-2 assume !!(main_~i~0 > 0); 69#L19 assume !(main_~j~0 > 0);main_~j~0 := main_~N~0;main_~i~0 := main_~i~0 - 1; 65#L19-2 [2018-11-28 12:22:36,773 INFO L796 eck$LassoCheckResult]: Loop: 65#L19-2 assume !!(main_~i~0 > 0); 66#L19 assume main_~j~0 > 0;main_~j~0 := main_~j~0 - 1; 65#L19-2 [2018-11-28 12:22:36,773 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:22:36,773 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2018-11-28 12:22:36,774 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:22:36,774 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:22:36,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:36,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:22:36,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:22:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:22:36,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:22:36,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 2 times [2018-11-28 12:22:36,781 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:22:36,781 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:22:36,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:36,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:22:36,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:22:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:22:36,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:22:36,786 INFO L82 PathProgramCache]: Analyzing trace with hash 29865320, now seen corresponding path program 1 times [2018-11-28 12:22:36,786 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:22:36,787 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:22:36,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:36,787 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:22:36,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:22:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:22:36,803 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:22:36,803 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:22:36,803 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:22:36,803 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:22:36,803 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 12:22:36,803 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:22:36,804 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:22:36,804 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:22:36,804 INFO L131 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c_Iteration2_Loop [2018-11-28 12:22:36,804 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:22:36,804 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:22:36,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:36,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:36,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:36,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:36,851 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:22:36,851 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7acbe52f-4b82-497f-ac38-51e3a99168fd/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:22:36,855 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:22:36,855 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:22:36,880 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 12:22:36,880 INFO L448 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_7acbe52f-4b82-497f-ac38-51e3a99168fd/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:22:36,883 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:22:36,883 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7acbe52f-4b82-497f-ac38-51e3a99168fd/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:22:36,909 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 12:22:36,909 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:22:36,926 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 12:22:36,927 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:22:36,927 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:22:36,927 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:22:36,927 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:22:36,927 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 12:22:36,927 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:22:36,927 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:22:36,927 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:22:36,927 INFO L131 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c_Iteration2_Loop [2018-11-28 12:22:36,928 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:22:36,928 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:22:36,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:36,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:36,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:36,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:36,962 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:22:36,962 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 12:22:36,962 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:22:36,963 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:22:36,963 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:22:36,963 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:22:36,963 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:22:36,963 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:22:36,964 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:22:36,964 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:22:36,967 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 12:22:36,969 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 12:22:36,969 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-28 12:22:36,969 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 12:22:36,969 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 12:22:36,969 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 12:22:36,970 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~j~0 Supporting invariants [] [2018-11-28 12:22:36,970 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 12:22:36,978 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:22:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:22:36,993 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:22:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:22:36,996 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:22:36,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:22:36,996 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 [2018-11-28 12:22:36,996 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. [2018-11-28 12:22:37,008 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 11 states and 16 transitions. Complement of second has 5 states. [2018-11-28 12:22:37,008 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 [2018-11-28 12:22:37,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-28 12:22:37,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2018-11-28 12:22:37,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 2 letters. [2018-11-28 12:22:37,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:22:37,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2018-11-28 12:22:37,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:22:37,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 4 letters. [2018-11-28 12:22:37,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:22:37,009 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 16 transitions. [2018-11-28 12:22:37,010 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 12:22:37,010 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 16 transitions. [2018-11-28 12:22:37,010 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2018-11-28 12:22:37,011 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2018-11-28 12:22:37,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. [2018-11-28 12:22:37,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 12:22:37,011 INFO L705 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2018-11-28 12:22:37,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. [2018-11-28 12:22:37,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-11-28 12:22:37,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-11-28 12:22:37,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2018-11-28 12:22:37,012 INFO L728 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2018-11-28 12:22:37,012 INFO L608 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2018-11-28 12:22:37,012 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 12:22:37,013 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 16 transitions. [2018-11-28 12:22:37,013 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 12:22:37,013 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:22:37,013 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:22:37,014 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2018-11-28 12:22:37,014 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 12:22:37,014 INFO L794 eck$LassoCheckResult]: Stem: 116#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~i~0, main_~j~0, main_~N~0;havoc main_~i~0;havoc main_~j~0;havoc main_~N~0;main_~j~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~N~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~i~0 := main_~N~0; 117#L19-2 assume !!(main_~i~0 > 0); 122#L19 assume !(main_~j~0 > 0);main_~j~0 := main_~N~0;main_~i~0 := main_~i~0 - 1; 123#L19-2 assume !!(main_~i~0 > 0); 124#L19 assume !(main_~j~0 > 0);main_~j~0 := main_~N~0;main_~i~0 := main_~i~0 - 1; 118#L19-2 [2018-11-28 12:22:37,014 INFO L796 eck$LassoCheckResult]: Loop: 118#L19-2 assume !!(main_~i~0 > 0); 119#L19 assume main_~j~0 > 0;main_~j~0 := main_~j~0 - 1; 118#L19-2 [2018-11-28 12:22:37,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:22:37,014 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 2 times [2018-11-28 12:22:37,014 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:22:37,014 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:22:37,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:37,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:22:37,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:22:37,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:22:37,062 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:22:37,062 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7acbe52f-4b82-497f-ac38-51e3a99168fd/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:22:37,072 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-28 12:22:37,077 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-28 12:22:37,077 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 12:22:37,079 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:22:37,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:22:37,141 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:22:37,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2018-11-28 12:22:37,143 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 12:22:37,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:22:37,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 3 times [2018-11-28 12:22:37,143 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:22:37,143 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:22:37,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:37,145 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:22:37,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:22:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:22:37,156 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:22:37,156 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:22:37,156 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:22:37,156 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:22:37,156 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 12:22:37,156 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:22:37,156 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:22:37,156 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:22:37,156 INFO L131 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c_Iteration3_Loop [2018-11-28 12:22:37,157 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:22:37,157 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:22:37,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:37,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:37,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:37,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:37,203 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:22:37,203 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7acbe52f-4b82-497f-ac38-51e3a99168fd/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:22:37,205 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:22:37,205 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:22:37,224 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 12:22:37,224 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7acbe52f-4b82-497f-ac38-51e3a99168fd/bin-2019/uautomizer/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:22:37,227 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:22:37,227 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7acbe52f-4b82-497f-ac38-51e3a99168fd/bin-2019/uautomizer/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:22:37,260 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 12:22:37,260 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:22:37,276 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 12:22:37,277 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:22:37,277 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:22:37,277 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:22:37,277 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:22:37,278 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 12:22:37,278 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:22:37,278 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:22:37,278 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:22:37,278 INFO L131 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c_Iteration3_Loop [2018-11-28 12:22:37,278 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:22:37,278 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:22:37,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:37,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:37,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:37,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:37,317 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:22:37,317 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 12:22:37,317 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:22:37,318 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:22:37,318 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:22:37,318 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:22:37,318 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:22:37,320 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:22:37,320 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:22:37,324 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:22:37,324 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:22:37,324 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:22:37,324 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:22:37,325 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:22:37,325 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:22:37,325 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:22:37,325 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:22:37,325 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:22:37,327 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 12:22:37,329 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 12:22:37,329 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-28 12:22:37,329 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 12:22:37,329 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 12:22:37,329 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 12:22:37,329 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~j~0 Supporting invariants [] [2018-11-28 12:22:37,330 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 12:22:37,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:22:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:22:37,344 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:22:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:22:37,346 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:22:37,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:22:37,347 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 [2018-11-28 12:22:37,347 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2018-11-28 12:22:37,352 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 13 states and 20 transitions. Complement of second has 5 states. [2018-11-28 12:22:37,352 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 [2018-11-28 12:22:37,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-28 12:22:37,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2018-11-28 12:22:37,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2018-11-28 12:22:37,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:22:37,352 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2018-11-28 12:22:37,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:22:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:22:37,364 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:22:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:22:37,367 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:22:37,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:22:37,367 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2018-11-28 12:22:37,367 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2018-11-28 12:22:37,371 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 13 states and 20 transitions. Complement of second has 5 states. [2018-11-28 12:22:37,372 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 [2018-11-28 12:22:37,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-28 12:22:37,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2018-11-28 12:22:37,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2018-11-28 12:22:37,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:22:37,372 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2018-11-28 12:22:37,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:22:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:22:37,383 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:22:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:22:37,394 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:22:37,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:22:37,395 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2018-11-28 12:22:37,395 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2018-11-28 12:22:37,401 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 15 states and 23 transitions. Complement of second has 4 states. [2018-11-28 12:22:37,401 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 [2018-11-28 12:22:37,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-28 12:22:37,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2018-11-28 12:22:37,402 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. [2018-11-28 12:22:37,402 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:22:37,402 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 2 letters. [2018-11-28 12:22:37,402 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:22:37,402 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 4 letters. [2018-11-28 12:22:37,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:22:37,403 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 23 transitions. [2018-11-28 12:22:37,403 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-28 12:22:37,404 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 13 states and 19 transitions. [2018-11-28 12:22:37,404 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2018-11-28 12:22:37,404 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2018-11-28 12:22:37,404 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 19 transitions. [2018-11-28 12:22:37,404 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 12:22:37,404 INFO L705 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2018-11-28 12:22:37,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 19 transitions. [2018-11-28 12:22:37,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 5. [2018-11-28 12:22:37,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-28 12:22:37,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2018-11-28 12:22:37,405 INFO L728 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2018-11-28 12:22:37,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:22:37,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:22:37,408 INFO L87 Difference]: Start difference. First operand 5 states and 7 transitions. Second operand 7 states. [2018-11-28 12:22:37,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:22:37,435 INFO L93 Difference]: Finished difference Result 11 states and 14 transitions. [2018-11-28 12:22:37,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:22:37,436 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 14 transitions. [2018-11-28 12:22:37,436 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-11-28 12:22:37,437 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 10 states and 13 transitions. [2018-11-28 12:22:37,437 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2018-11-28 12:22:37,437 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2018-11-28 12:22:37,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2018-11-28 12:22:37,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 12:22:37,437 INFO L705 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2018-11-28 12:22:37,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2018-11-28 12:22:37,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 6. [2018-11-28 12:22:37,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-28 12:22:37,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2018-11-28 12:22:37,438 INFO L728 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2018-11-28 12:22:37,438 INFO L608 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2018-11-28 12:22:37,438 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-28 12:22:37,438 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. [2018-11-28 12:22:37,438 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-28 12:22:37,438 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:22:37,438 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:22:37,439 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 12:22:37,439 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1] [2018-11-28 12:22:37,439 INFO L794 eck$LassoCheckResult]: Stem: 295#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~i~0, main_~j~0, main_~N~0;havoc main_~i~0;havoc main_~j~0;havoc main_~N~0;main_~j~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~N~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~i~0 := main_~N~0; 296#L19-2 assume !!(main_~i~0 > 0); 300#L19 [2018-11-28 12:22:37,439 INFO L796 eck$LassoCheckResult]: Loop: 300#L19 assume !(main_~j~0 > 0);main_~j~0 := main_~N~0;main_~i~0 := main_~i~0 - 1; 297#L19-2 assume !!(main_~i~0 > 0); 298#L19 assume main_~j~0 > 0;main_~j~0 := main_~j~0 - 1; 299#L19-2 assume !!(main_~i~0 > 0); 300#L19 [2018-11-28 12:22:37,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:22:37,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-11-28 12:22:37,439 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:22:37,439 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:22:37,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:37,440 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:22:37,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:22:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:22:37,443 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:22:37,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1380409, now seen corresponding path program 1 times [2018-11-28 12:22:37,444 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:22:37,444 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:22:37,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:37,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:22:37,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:22:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:22:37,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:22:37,448 INFO L82 PathProgramCache]: Analyzing trace with hash 925824930, now seen corresponding path program 2 times [2018-11-28 12:22:37,448 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:22:37,449 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:22:37,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:37,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:22:37,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:22:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:22:37,486 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:22:37,486 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:22:37,486 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:22:37,486 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:22:37,486 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 12:22:37,487 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:22:37,487 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:22:37,487 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:22:37,487 INFO L131 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c_Iteration4_Loop [2018-11-28 12:22:37,487 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:22:37,487 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:22:37,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:37,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:37,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:37,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:37,541 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:22:37,541 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7acbe52f-4b82-497f-ac38-51e3a99168fd/bin-2019/uautomizer/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:22:37,551 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:22:37,551 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7acbe52f-4b82-497f-ac38-51e3a99168fd/bin-2019/uautomizer/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:22:37,568 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 12:22:37,568 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:22:37,606 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 12:22:37,607 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:22:37,607 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:22:37,607 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:22:37,607 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:22:37,607 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 12:22:37,607 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:22:37,607 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:22:37,607 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:22:37,607 INFO L131 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c_Iteration4_Loop [2018-11-28 12:22:37,607 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:22:37,608 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:22:37,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:37,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:37,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:37,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:22:37,651 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:22:37,651 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 12:22:37,651 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:22:37,652 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:22:37,652 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:22:37,652 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:22:37,652 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:22:37,653 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:22:37,653 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:22:37,653 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:22:37,656 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 12:22:37,658 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 12:22:37,659 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-28 12:22:37,659 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 12:22:37,659 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 12:22:37,659 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 12:22:37,659 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2018-11-28 12:22:37,660 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 12:22:37,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:22:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:22:37,675 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:22:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:22:37,679 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:22:37,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:22:37,688 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-11-28 12:22:37,688 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 3 Second operand 4 states. [2018-11-28 12:22:37,698 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 3. Second operand 4 states. Result 18 states and 24 transitions. Complement of second has 6 states. [2018-11-28 12:22:37,698 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 [2018-11-28 12:22:37,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 12:22:37,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2018-11-28 12:22:37,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. [2018-11-28 12:22:37,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:22:37,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 4 letters. [2018-11-28 12:22:37,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:22:37,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 8 letters. [2018-11-28 12:22:37,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:22:37,699 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 24 transitions. [2018-11-28 12:22:37,700 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 12:22:37,700 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2018-11-28 12:22:37,700 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 12:22:37,700 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 12:22:37,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 12:22:37,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:22:37,700 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:22:37,700 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:22:37,700 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:22:37,700 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2018-11-28 12:22:37,700 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:22:37,700 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 12:22:37,700 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 12:22:37,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 12:22:37 BoogieIcfgContainer [2018-11-28 12:22:37,704 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 12:22:37,704 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:22:37,704 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:22:37,705 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:22:37,705 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:36" (3/4) ... [2018-11-28 12:22:37,707 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 12:22:37,707 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:22:37,708 INFO L168 Benchmark]: Toolchain (without parser) took 1865.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 958.7 MB in the beginning and 906.2 MB in the end (delta: 52.5 MB). Peak memory consumption was 227.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:22:37,709 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:22:37,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 134.40 ms. Allocated memory is still 1.0 GB. Free memory was 958.7 MB in the beginning and 950.5 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:22:37,709 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.85 ms. Allocated memory is still 1.0 GB. Free memory is still 947.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:22:37,709 INFO L168 Benchmark]: Boogie Preprocessor took 14.30 ms. Allocated memory is still 1.0 GB. Free memory is still 947.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:22:37,710 INFO L168 Benchmark]: RCFGBuilder took 144.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 947.9 MB in the beginning and 1.2 GB in the end (delta: -211.4 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:22:37,710 INFO L168 Benchmark]: BuchiAutomizer took 1548.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 906.2 MB in the end (delta: 253.1 MB). Peak memory consumption was 253.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:22:37,710 INFO L168 Benchmark]: Witness Printer took 2.75 ms. Allocated memory is still 1.2 GB. Free memory is still 906.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:22:37,712 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 134.40 ms. Allocated memory is still 1.0 GB. Free memory was 958.7 MB in the beginning and 950.5 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.85 ms. Allocated memory is still 1.0 GB. Free memory is still 947.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.30 ms. Allocated memory is still 1.0 GB. Free memory is still 947.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 144.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 947.9 MB in the beginning and 1.2 GB in the end (delta: -211.4 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1548.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 906.2 MB in the end (delta: 253.1 MB). Peak memory consumption was 253.1 MB. Max. memory is 11.5 GB. * Witness Printer took 2.75 ms. Allocated memory is still 1.2 GB. Free memory is still 906.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (1 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function j and consists of 4 locations. One deterministic module has affine ranking function j and consists of 3 locations. One deterministic module has affine ranking function i and consists of 4 locations. One nondeterministic module has affine ranking function j and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 2/2 HoareTripleCheckerStatistics: 31 SDtfs, 32 SDslu, 10 SDs, 0 SdLazy, 40 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax182 hnf99 lsp39 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq156 hnf93 smp100 dnf100 smp100 tf112 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 12ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 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...