./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaA1_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b74fb01d-f856-487b-99fa-9dc8cdcfae4e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b74fb01d-f856-487b-99fa-9dc8cdcfae4e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b74fb01d-f856-487b-99fa-9dc8cdcfae4e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b74fb01d-f856-487b-99fa-9dc8cdcfae4e/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaA1_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b74fb01d-f856-487b-99fa-9dc8cdcfae4e/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b74fb01d-f856-487b-99fa-9dc8cdcfae4e/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 1a5ad591ce856c2d846b6a372eee9518c32c9e01 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 06:06:16,233 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:06:16,234 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:06:16,243 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:06:16,243 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:06:16,244 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:06:16,244 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:06:16,245 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:06:16,247 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:06:16,248 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:06:16,248 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:06:16,249 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:06:16,249 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:06:16,250 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:06:16,251 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:06:16,252 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:06:16,252 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:06:16,254 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:06:16,255 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:06:16,256 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:06:16,257 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:06:16,258 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:06:16,260 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:06:16,260 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:06:16,261 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:06:16,261 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:06:16,262 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:06:16,263 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:06:16,264 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:06:16,264 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:06:16,265 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:06:16,265 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:06:16,265 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:06:16,265 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:06:16,266 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:06:16,267 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:06:16,268 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b74fb01d-f856-487b-99fa-9dc8cdcfae4e/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-10-27 06:06:16,279 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:06:16,279 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:06:16,280 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 06:06:16,280 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 06:06:16,280 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 06:06:16,280 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-27 06:06:16,280 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-27 06:06:16,280 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-27 06:06:16,281 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-27 06:06:16,281 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-27 06:06:16,281 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-27 06:06:16,281 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:06:16,281 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 06:06:16,281 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:06:16,281 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:06:16,282 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-27 06:06:16,282 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-27 06:06:16,282 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-27 06:06:16,282 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:06:16,282 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-27 06:06:16,282 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-27 06:06:16,282 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:06:16,283 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:06:16,283 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-27 06:06:16,285 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:06:16,285 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 06:06:16,285 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-27 06:06:16,286 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-27 06:06:16,286 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_b74fb01d-f856-487b-99fa-9dc8cdcfae4e/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 -> 1a5ad591ce856c2d846b6a372eee9518c32c9e01 [2018-10-27 06:06:16,311 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:06:16,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:06:16,323 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:06:16,324 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:06:16,324 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:06:16,325 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b74fb01d-f856-487b-99fa-9dc8cdcfae4e/bin-2019/uautomizer/../../sv-benchmarks/c/termination-restricted-15/PastaA1_true-termination_true-no-overflow.c [2018-10-27 06:06:16,366 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b74fb01d-f856-487b-99fa-9dc8cdcfae4e/bin-2019/uautomizer/data/8f040dff4/01221a038e0a44b1b1167f805821e5f3/FLAG10030ce7a [2018-10-27 06:06:16,746 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:06:16,746 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b74fb01d-f856-487b-99fa-9dc8cdcfae4e/sv-benchmarks/c/termination-restricted-15/PastaA1_true-termination_true-no-overflow.c [2018-10-27 06:06:16,753 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b74fb01d-f856-487b-99fa-9dc8cdcfae4e/bin-2019/uautomizer/data/8f040dff4/01221a038e0a44b1b1167f805821e5f3/FLAG10030ce7a [2018-10-27 06:06:16,764 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b74fb01d-f856-487b-99fa-9dc8cdcfae4e/bin-2019/uautomizer/data/8f040dff4/01221a038e0a44b1b1167f805821e5f3 [2018-10-27 06:06:16,767 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:06:16,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 06:06:16,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:06:16,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:06:16,771 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:06:16,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:06:16" (1/1) ... [2018-10-27 06:06:16,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23b7df75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:16, skipping insertion in model container [2018-10-27 06:06:16,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:06:16" (1/1) ... [2018-10-27 06:06:16,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:06:16,798 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:06:16,906 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:06:16,908 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:06:16,917 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:06:16,924 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:06:16,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:16 WrapperNode [2018-10-27 06:06:16,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:06:16,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:06:16,926 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:06:16,926 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:06:16,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:16" (1/1) ... [2018-10-27 06:06:16,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:16" (1/1) ... [2018-10-27 06:06:16,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:06:16,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:06:16,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:06:16,950 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:06:16,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:16" (1/1) ... [2018-10-27 06:06:16,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:16" (1/1) ... [2018-10-27 06:06:16,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:16" (1/1) ... [2018-10-27 06:06:16,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:16" (1/1) ... [2018-10-27 06:06:16,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:16" (1/1) ... [2018-10-27 06:06:16,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:16" (1/1) ... [2018-10-27 06:06:16,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:16" (1/1) ... [2018-10-27 06:06:16,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:06:16,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:06:16,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:06:16,965 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:06:16,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b74fb01d-f856-487b-99fa-9dc8cdcfae4e/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:06:17,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:06:17,254 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:06:17,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:06:17 BoogieIcfgContainer [2018-10-27 06:06:17,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:06:17,255 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-10-27 06:06:17,255 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-10-27 06:06:17,258 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-10-27 06:06:17,259 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:06:17,259 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:06:16" (1/3) ... [2018-10-27 06:06:17,260 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29d96fb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:06:17, skipping insertion in model container [2018-10-27 06:06:17,260 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:06:17,261 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:16" (2/3) ... [2018-10-27 06:06:17,261 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29d96fb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:06:17, skipping insertion in model container [2018-10-27 06:06:17,261 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:06:17,261 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:06:17" (3/3) ... [2018-10-27 06:06:17,263 INFO L375 chiAutomizerObserver]: Analyzing ICFG PastaA1_true-termination_true-no-overflow.c [2018-10-27 06:06:17,310 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 06:06:17,311 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-10-27 06:06:17,311 INFO L375 BuchiCegarLoop]: Hoare is false [2018-10-27 06:06:17,311 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-10-27 06:06:17,311 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:06:17,311 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:06:17,311 INFO L379 BuchiCegarLoop]: Difference is false [2018-10-27 06:06:17,311 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:06:17,311 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-10-27 06:06:17,323 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-10-27 06:06:17,341 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-10-27 06:06:17,341 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:17,341 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:17,346 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-10-27 06:06:17,347 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-10-27 06:06:17,347 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-10-27 06:06:17,347 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-10-27 06:06:17,348 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-10-27 06:06:17,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:17,348 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:17,348 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-10-27 06:06:17,348 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-10-27 06:06:17,355 INFO L793 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0; 7#L10-3true [2018-10-27 06:06:17,355 INFO L795 eck$LassoCheckResult]: Loop: 7#L10-3true assume true; 12#L10-1true assume !!(main_~x~0 > 0);main_~y~0 := 0; 13#L12-3true assume !true; 10#L12-4true main_~x~0 := main_~x~0 - 1; 7#L10-3true [2018-10-27 06:06:17,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:17,361 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-10-27 06:06:17,363 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:17,364 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:17,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:17,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:17,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:17,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:17,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1114569, now seen corresponding path program 1 times [2018-10-27 06:06:17,442 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:17,443 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:17,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:17,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:17,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:17,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:06:17,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:06:17,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 06:06:17,479 INFO L810 eck$LassoCheckResult]: loop already infeasible [2018-10-27 06:06:17,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-27 06:06:17,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 06:06:17,495 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 2 states. [2018-10-27 06:06:17,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:06:17,501 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-10-27 06:06:17,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-27 06:06:17,503 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2018-10-27 06:06:17,505 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-10-27 06:06:17,508 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 7 states and 8 transitions. [2018-10-27 06:06:17,509 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2018-10-27 06:06:17,509 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2018-10-27 06:06:17,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2018-10-27 06:06:17,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:06:17,510 INFO L705 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2018-10-27 06:06:17,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2018-10-27 06:06:17,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-10-27 06:06:17,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-10-27 06:06:17,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2018-10-27 06:06:17,535 INFO L728 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2018-10-27 06:06:17,535 INFO L608 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2018-10-27 06:06:17,536 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-10-27 06:06:17,536 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2018-10-27 06:06:17,536 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-10-27 06:06:17,536 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:17,536 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:17,537 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-10-27 06:06:17,537 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-10-27 06:06:17,537 INFO L793 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 30#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0; 31#L10-3 [2018-10-27 06:06:17,537 INFO L795 eck$LassoCheckResult]: Loop: 31#L10-3 assume true; 36#L10-1 assume !!(main_~x~0 > 0);main_~y~0 := 0; 35#L12-3 assume true; 33#L12-1 assume !(main_~y~0 < main_~x~0); 34#L12-4 main_~x~0 := main_~x~0 - 1; 31#L10-3 [2018-10-27 06:06:17,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:17,537 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2018-10-27 06:06:17,538 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:17,538 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:17,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:17,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:17,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:17,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:17,543 INFO L82 PathProgramCache]: Analyzing trace with hash 34543791, now seen corresponding path program 1 times [2018-10-27 06:06:17,543 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:17,543 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:17,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:17,544 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 06:06:17,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:17,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:06:17,595 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:06:17,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 06:06:17,595 INFO L810 eck$LassoCheckResult]: loop already infeasible [2018-10-27 06:06:17,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 06:06:17,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 06:06:17,596 INFO L87 Difference]: Start difference. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand 3 states. [2018-10-27 06:06:17,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:06:17,627 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2018-10-27 06:06:17,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 06:06:17,629 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2018-10-27 06:06:17,629 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2018-10-27 06:06:17,630 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 10 transitions. [2018-10-27 06:06:17,630 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2018-10-27 06:06:17,630 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2018-10-27 06:06:17,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2018-10-27 06:06:17,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:06:17,630 INFO L705 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2018-10-27 06:06:17,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2018-10-27 06:06:17,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-10-27 06:06:17,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-10-27 06:06:17,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2018-10-27 06:06:17,632 INFO L728 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2018-10-27 06:06:17,632 INFO L608 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2018-10-27 06:06:17,632 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-10-27 06:06:17,632 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2018-10-27 06:06:17,632 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2018-10-27 06:06:17,632 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:17,633 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:17,633 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-10-27 06:06:17,633 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1] [2018-10-27 06:06:17,633 INFO L793 eck$LassoCheckResult]: Stem: 54#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 52#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0; 53#L10-3 [2018-10-27 06:06:17,633 INFO L795 eck$LassoCheckResult]: Loop: 53#L10-3 assume true; 57#L10-1 assume !!(main_~x~0 > 0);main_~y~0 := 0; 59#L12-3 assume true; 55#L12-1 assume !!(main_~y~0 < main_~x~0);main_~y~0 := main_~y~0 + 1; 56#L12-3 assume true; 60#L12-1 assume !(main_~y~0 < main_~x~0); 58#L12-4 main_~x~0 := main_~x~0 - 1; 53#L10-3 [2018-10-27 06:06:17,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:17,634 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2018-10-27 06:06:17,634 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:17,634 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:17,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:17,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:17,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:17,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:17,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1163104599, now seen corresponding path program 1 times [2018-10-27 06:06:17,641 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:17,641 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:17,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:17,642 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 06:06:17,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:17,652 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:17,652 INFO L82 PathProgramCache]: Analyzing trace with hash 383192231, now seen corresponding path program 1 times [2018-10-27 06:06:17,652 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:17,652 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:17,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:17,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:17,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:17,793 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2018-10-27 06:06:17,841 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:17,842 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:17,842 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:17,842 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:17,842 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:06:17,842 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:17,842 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:17,843 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:17,843 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaA1_true-termination_true-no-overflow.c_Iteration3_Loop [2018-10-27 06:06:17,843 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:17,843 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:17,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:17,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:17,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:18,067 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2018-10-27 06:06:18,152 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:18,152 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b74fb01d-f856-487b-99fa-9dc8cdcfae4e/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:18,156 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:18,157 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:18,179 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:06:18,179 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b74fb01d-f856-487b-99fa-9dc8cdcfae4e/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:18,182 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:18,182 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:18,200 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:06:18,200 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b74fb01d-f856-487b-99fa-9dc8cdcfae4e/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:18,203 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:18,203 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b74fb01d-f856-487b-99fa-9dc8cdcfae4e/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:18,222 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:06:18,222 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:18,243 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-10-27 06:06:18,244 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:18,244 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:18,245 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:18,245 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:18,245 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:06:18,245 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:18,245 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:18,245 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:18,245 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaA1_true-termination_true-no-overflow.c_Iteration3_Loop [2018-10-27 06:06:18,245 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:18,245 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:18,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:18,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:18,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:18,364 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:18,367 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:06:18,368 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:18,369 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:18,370 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:18,370 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:18,370 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:18,373 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:18,373 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:18,379 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:18,379 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:18,380 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:18,380 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:18,380 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:18,380 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:18,382 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:18,382 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:18,391 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:18,391 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:18,393 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:18,393 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:18,395 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:18,395 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:18,395 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:18,396 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:18,396 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:18,403 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:06:18,406 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-10-27 06:06:18,406 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-10-27 06:06:18,409 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:06:18,409 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-10-27 06:06:18,409 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:06:18,409 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2018-10-27 06:06:18,410 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-10-27 06:06:18,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:18,551 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:18,561 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:18,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 06:06:18,571 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-10-27 06:06:18,572 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 10 transitions. cyclomatic complexity: 2 Second operand 4 states. [2018-10-27 06:06:18,607 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 10 transitions. cyclomatic complexity: 2. Second operand 4 states. Result 16 states and 19 transitions. Complement of second has 6 states. [2018-10-27 06:06:18,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-10-27 06:06:18,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-10-27 06:06:18,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2018-10-27 06:06:18,609 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 7 letters. [2018-10-27 06:06:18,610 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:18,610 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 9 letters. Loop has 7 letters. [2018-10-27 06:06:18,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:18,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 14 letters. [2018-10-27 06:06:18,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:18,611 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2018-10-27 06:06:18,612 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-10-27 06:06:18,613 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 15 states and 18 transitions. [2018-10-27 06:06:18,613 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2018-10-27 06:06:18,613 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2018-10-27 06:06:18,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 18 transitions. [2018-10-27 06:06:18,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-10-27 06:06:18,613 INFO L705 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2018-10-27 06:06:18,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 18 transitions. [2018-10-27 06:06:18,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2018-10-27 06:06:18,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-10-27 06:06:18,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2018-10-27 06:06:18,615 INFO L728 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2018-10-27 06:06:18,615 INFO L608 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2018-10-27 06:06:18,615 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-10-27 06:06:18,616 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2018-10-27 06:06:18,616 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-10-27 06:06:18,616 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:18,616 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:18,617 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-10-27 06:06:18,617 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-10-27 06:06:18,617 INFO L793 eck$LassoCheckResult]: Stem: 129#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 127#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0; 128#L10-3 assume true; 135#L10-1 assume !!(main_~x~0 > 0);main_~y~0 := 0; 131#L12-3 [2018-10-27 06:06:18,617 INFO L795 eck$LassoCheckResult]: Loop: 131#L12-3 assume true; 130#L12-1 assume !!(main_~y~0 < main_~x~0);main_~y~0 := main_~y~0 + 1; 131#L12-3 [2018-10-27 06:06:18,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:18,617 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 1 times [2018-10-27 06:06:18,618 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:18,618 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:18,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:18,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:18,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:18,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:18,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1479, now seen corresponding path program 1 times [2018-10-27 06:06:18,623 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:18,623 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:18,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:18,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:18,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:18,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:18,628 INFO L82 PathProgramCache]: Analyzing trace with hash 889541519, now seen corresponding path program 1 times [2018-10-27 06:06:18,628 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:18,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:18,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:18,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:18,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:18,683 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:18,683 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:18,683 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:18,683 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:18,683 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:06:18,683 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:18,683 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:18,684 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:18,684 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaA1_true-termination_true-no-overflow.c_Iteration4_Loop [2018-10-27 06:06:18,684 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:18,684 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:18,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:18,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:18,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:18,744 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:18,744 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b74fb01d-f856-487b-99fa-9dc8cdcfae4e/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:18,747 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:18,747 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:18,763 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:06:18,763 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b74fb01d-f856-487b-99fa-9dc8cdcfae4e/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:18,766 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:18,766 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:18,782 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:06:18,782 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b74fb01d-f856-487b-99fa-9dc8cdcfae4e/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:18,786 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:18,786 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b74fb01d-f856-487b-99fa-9dc8cdcfae4e/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:18,808 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:06:18,809 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:18,951 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-10-27 06:06:18,952 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:18,952 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:18,952 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:18,952 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:18,953 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:06:18,953 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:18,953 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:18,953 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:18,953 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaA1_true-termination_true-no-overflow.c_Iteration4_Loop [2018-10-27 06:06:18,953 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:18,953 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:18,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:18,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:18,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:19,337 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:19,337 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:06:19,337 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:19,338 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:19,338 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:19,338 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:19,338 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:19,340 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:19,340 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:19,346 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:19,346 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:19,347 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:19,347 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:19,347 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:19,347 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:19,349 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:19,349 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:19,356 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:19,357 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:19,357 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:19,358 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:19,358 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:19,358 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:19,358 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:19,359 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:19,359 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:19,365 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:06:19,369 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-10-27 06:06:19,369 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-10-27 06:06:19,369 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:06:19,369 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-10-27 06:06:19,370 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:06:19,370 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~y~0 + 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2018-10-27 06:06:19,370 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-10-27 06:06:19,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:19,429 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:19,432 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:19,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:06:19,432 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2018-10-27 06:06:19,433 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand 3 states. [2018-10-27 06:06:19,450 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 33 states and 39 transitions. Complement of second has 5 states. [2018-10-27 06:06:19,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-10-27 06:06:19,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-10-27 06:06:19,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2018-10-27 06:06:19,451 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 4 letters. Loop has 2 letters. [2018-10-27 06:06:19,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:19,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 6 letters. Loop has 2 letters. [2018-10-27 06:06:19,453 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:19,453 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 4 letters. Loop has 4 letters. [2018-10-27 06:06:19,453 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:19,453 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 39 transitions. [2018-10-27 06:06:19,455 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-10-27 06:06:19,456 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 23 states and 27 transitions. [2018-10-27 06:06:19,456 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2018-10-27 06:06:19,456 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2018-10-27 06:06:19,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 27 transitions. [2018-10-27 06:06:19,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-10-27 06:06:19,457 INFO L705 BuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2018-10-27 06:06:19,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 27 transitions. [2018-10-27 06:06:19,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 18. [2018-10-27 06:06:19,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-10-27 06:06:19,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2018-10-27 06:06:19,460 INFO L728 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2018-10-27 06:06:19,460 INFO L608 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2018-10-27 06:06:19,460 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2018-10-27 06:06:19,460 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2018-10-27 06:06:19,461 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-10-27 06:06:19,461 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:19,461 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:19,463 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1] [2018-10-27 06:06:19,463 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-10-27 06:06:19,463 INFO L793 eck$LassoCheckResult]: Stem: 213#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 211#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0; 212#L10-3 assume true; 218#L10-1 assume !!(main_~x~0 > 0);main_~y~0 := 0; 224#L12-3 assume true; 216#L12-1 assume !!(main_~y~0 < main_~x~0);main_~y~0 := main_~y~0 + 1; 217#L12-3 assume true; 225#L12-1 assume !(main_~y~0 < main_~x~0); 222#L12-4 main_~x~0 := main_~x~0 - 1; 219#L10-3 assume true; 221#L10-1 assume !!(main_~x~0 > 0);main_~y~0 := 0; 215#L12-3 [2018-10-27 06:06:19,463 INFO L795 eck$LassoCheckResult]: Loop: 215#L12-3 assume true; 214#L12-1 assume !!(main_~y~0 < main_~x~0);main_~y~0 := main_~y~0 + 1; 215#L12-3 [2018-10-27 06:06:19,463 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:19,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1119453267, now seen corresponding path program 2 times [2018-10-27 06:06:19,464 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:19,464 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:19,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:19,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:19,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:19,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:06:19,500 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:06:19,500 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b74fb01d-f856-487b-99fa-9dc8cdcfae4e/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 06:06:19,509 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-27 06:06:19,519 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-27 06:06:19,519 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-27 06:06:19,520 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:19,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:06:19,549 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-27 06:06:19,550 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-10-27 06:06:19,550 INFO L798 eck$LassoCheckResult]: stem already infeasible [2018-10-27 06:06:19,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:19,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1479, now seen corresponding path program 2 times [2018-10-27 06:06:19,550 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:19,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:19,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:19,552 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 06:06:19,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:19,569 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:19,569 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:19,569 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:19,569 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:19,569 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:06:19,570 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:19,570 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:19,570 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:19,570 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaA1_true-termination_true-no-overflow.c_Iteration5_Loop [2018-10-27 06:06:19,570 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:19,570 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:19,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:19,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:19,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:19,611 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:19,611 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b74fb01d-f856-487b-99fa-9dc8cdcfae4e/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 [2018-10-27 06:06:19,614 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:19,614 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b74fb01d-f856-487b-99fa-9dc8cdcfae4e/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 [2018-10-27 06:06:19,633 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:06:19,633 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:19,809 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-10-27 06:06:19,811 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:19,811 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:19,811 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:19,811 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:19,811 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:06:19,811 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:19,811 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:19,811 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:19,812 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaA1_true-termination_true-no-overflow.c_Iteration5_Loop [2018-10-27 06:06:19,812 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:19,812 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:19,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:19,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:19,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:19,960 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:19,960 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:06:19,961 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:19,961 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:19,961 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:19,961 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:19,962 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:19,962 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:19,962 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:19,962 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:19,965 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:06:19,971 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-10-27 06:06:19,972 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-10-27 06:06:19,972 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:06:19,972 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-10-27 06:06:19,972 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:06:19,972 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~y~0 + 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2018-10-27 06:06:19,973 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-10-27 06:06:20,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:20,008 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:20,012 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:20,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:06:20,013 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2018-10-27 06:06:20,013 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 6 Second operand 3 states. [2018-10-27 06:06:20,029 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 28 states and 33 transitions. Complement of second has 5 states. [2018-10-27 06:06:20,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-10-27 06:06:20,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-10-27 06:06:20,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2018-10-27 06:06:20,030 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 11 letters. Loop has 2 letters. [2018-10-27 06:06:20,030 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:20,030 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2018-10-27 06:06:20,063 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:20,068 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:20,074 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:20,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:06:20,075 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 [2018-10-27 06:06:20,075 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 6 Second operand 3 states. [2018-10-27 06:06:20,103 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 28 states and 33 transitions. Complement of second has 5 states. [2018-10-27 06:06:20,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-10-27 06:06:20,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-10-27 06:06:20,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2018-10-27 06:06:20,104 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 11 letters. Loop has 2 letters. [2018-10-27 06:06:20,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:20,105 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2018-10-27 06:06:20,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:20,136 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:20,139 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:20,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:06:20,140 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 [2018-10-27 06:06:20,140 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 6 Second operand 3 states. [2018-10-27 06:06:20,151 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 28 states and 34 transitions. Complement of second has 4 states. [2018-10-27 06:06:20,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-10-27 06:06:20,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-10-27 06:06:20,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2018-10-27 06:06:20,152 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 11 letters. Loop has 2 letters. [2018-10-27 06:06:20,153 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:20,153 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 13 letters. Loop has 2 letters. [2018-10-27 06:06:20,153 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:20,153 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 11 letters. Loop has 4 letters. [2018-10-27 06:06:20,153 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:20,153 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 34 transitions. [2018-10-27 06:06:20,155 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:06:20,155 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2018-10-27 06:06:20,155 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-10-27 06:06:20,155 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-10-27 06:06:20,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-10-27 06:06:20,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:06:20,156 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:06:20,156 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:06:20,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 06:06:20,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-27 06:06:20,156 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 6 states. [2018-10-27 06:06:20,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:06:20,156 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-10-27 06:06:20,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-27 06:06:20,157 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-10-27 06:06:20,157 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:06:20,157 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 06:06:20,157 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-10-27 06:06:20,157 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-10-27 06:06:20,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-10-27 06:06:20,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:06:20,157 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:06:20,158 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:06:20,158 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:06:20,158 INFO L442 BuchiCegarLoop]: ======== Iteration 6============ [2018-10-27 06:06:20,158 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-10-27 06:06:20,158 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:06:20,158 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-10-27 06:06:20,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:06:20 BoogieIcfgContainer [2018-10-27 06:06:20,170 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-10-27 06:06:20,170 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 06:06:20,170 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 06:06:20,170 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 06:06:20,171 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:06:17" (3/4) ... [2018-10-27 06:06:20,175 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 06:06:20,175 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 06:06:20,176 INFO L168 Benchmark]: Toolchain (without parser) took 3408.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.1 MB). Free memory was 955.8 MB in the beginning and 975.3 MB in the end (delta: -19.5 MB). Peak memory consumption was 177.6 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:20,178 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:06:20,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 156.78 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 945.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:20,179 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.36 ms. Allocated memory is still 1.0 GB. Free memory is still 945.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:06:20,179 INFO L168 Benchmark]: Boogie Preprocessor took 14.39 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 939.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:20,180 INFO L168 Benchmark]: RCFGBuilder took 289.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.1 MB). Free memory was 939.7 MB in the beginning and 1.2 GB in the end (delta: -246.3 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:20,181 INFO L168 Benchmark]: BuchiAutomizer took 2914.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 975.3 MB in the end (delta: 210.6 MB). Peak memory consumption was 210.6 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:20,181 INFO L168 Benchmark]: Witness Printer took 5.26 ms. Allocated memory is still 1.2 GB. Free memory is still 975.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:06:20,186 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 156.78 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 945.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.36 ms. Allocated memory is still 1.0 GB. Free memory is still 945.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.39 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 939.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 289.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.1 MB). Free memory was 939.7 MB in the beginning and 1.2 GB in the end (delta: -246.3 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2914.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 975.3 MB in the end (delta: 210.6 MB). Peak memory consumption was 210.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.26 ms. Allocated memory is still 1.2 GB. Free memory is still 975.3 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 6 terminating modules (3 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function x and consists of 4 locations. One deterministic module has affine ranking function -1 * y + x and consists of 3 locations. One nondeterministic module has affine ranking function -1 * y + x and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 18 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 2/2 HoareTripleCheckerStatistics: 51 SDtfs, 34 SDslu, 12 SDs, 0 SdLazy, 41 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax203 hnf98 lsp49 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp95 dnf100 smp100 tf112 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...