./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/loops/verisec_NetBSD-libc__loop_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/loops/verisec_NetBSD-libc__loop_false-unreach-call_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 19c675897a6506757b73d61913c0ceb3a779b5c8 ................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 03:42:08,024 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 03:42:08,026 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 03:42:08,044 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 03:42:08,044 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 03:42:08,045 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 03:42:08,047 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 03:42:08,049 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 03:42:08,050 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 03:42:08,051 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 03:42:08,052 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 03:42:08,052 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 03:42:08,054 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 03:42:08,055 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 03:42:08,056 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 03:42:08,057 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 03:42:08,057 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 03:42:08,059 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 03:42:08,061 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 03:42:08,063 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 03:42:08,064 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 03:42:08,066 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 03:42:08,068 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 03:42:08,069 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 03:42:08,069 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 03:42:08,070 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 03:42:08,071 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 03:42:08,072 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 03:42:08,073 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 03:42:08,074 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 03:42:08,074 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 03:42:08,076 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 03:42:08,076 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 03:42:08,076 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 03:42:08,077 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 03:42:08,078 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 03:42:08,078 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 03:42:08,108 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 03:42:08,108 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 03:42:08,112 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 03:42:08,112 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 03:42:08,112 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 03:42:08,113 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 03:42:08,113 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 03:42:08,113 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 03:42:08,113 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 03:42:08,113 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 03:42:08,113 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 03:42:08,114 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 03:42:08,115 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 03:42:08,115 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 03:42:08,115 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 03:42:08,115 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 03:42:08,116 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 03:42:08,117 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 03:42:08,117 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 03:42:08,117 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 03:42:08,117 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 03:42:08,117 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 03:42:08,117 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 03:42:08,118 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 03:42:08,118 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 03:42:08,118 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 03:42:08,119 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 03:42:08,119 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 03:42:08,119 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 03:42:08,119 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 03:42:08,119 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 03:42:08,120 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 03:42:08,120 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19c675897a6506757b73d61913c0ceb3a779b5c8 [2019-01-14 03:42:08,182 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 03:42:08,197 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 03:42:08,203 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 03:42:08,204 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 03:42:08,205 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 03:42:08,206 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loops/verisec_NetBSD-libc__loop_false-unreach-call_true-termination.i [2019-01-14 03:42:08,258 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a0bb7dc8/719e6a127f3a49d999a6eb7ec80a713f/FLAGa2533d250 [2019-01-14 03:42:08,689 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 03:42:08,690 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loops/verisec_NetBSD-libc__loop_false-unreach-call_true-termination.i [2019-01-14 03:42:08,696 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a0bb7dc8/719e6a127f3a49d999a6eb7ec80a713f/FLAGa2533d250 [2019-01-14 03:42:09,071 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a0bb7dc8/719e6a127f3a49d999a6eb7ec80a713f [2019-01-14 03:42:09,075 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 03:42:09,076 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 03:42:09,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 03:42:09,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 03:42:09,081 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 03:42:09,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:42:09" (1/1) ... [2019-01-14 03:42:09,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c725a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:42:09, skipping insertion in model container [2019-01-14 03:42:09,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:42:09" (1/1) ... [2019-01-14 03:42:09,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 03:42:09,114 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 03:42:09,330 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 03:42:09,347 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 03:42:09,373 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 03:42:09,389 INFO L195 MainTranslator]: Completed translation [2019-01-14 03:42:09,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:42:09 WrapperNode [2019-01-14 03:42:09,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 03:42:09,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 03:42:09,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 03:42:09,391 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 03:42:09,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:42:09" (1/1) ... [2019-01-14 03:42:09,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:42:09" (1/1) ... [2019-01-14 03:42:09,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 03:42:09,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 03:42:09,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 03:42:09,438 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 03:42:09,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:42:09" (1/1) ... [2019-01-14 03:42:09,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:42:09" (1/1) ... [2019-01-14 03:42:09,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:42:09" (1/1) ... [2019-01-14 03:42:09,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:42:09" (1/1) ... [2019-01-14 03:42:09,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:42:09" (1/1) ... [2019-01-14 03:42:09,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:42:09" (1/1) ... [2019-01-14 03:42:09,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:42:09" (1/1) ... [2019-01-14 03:42:09,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 03:42:09,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 03:42:09,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 03:42:09,461 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 03:42:09,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:42:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-14 03:42:09,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-14 03:42:09,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 03:42:09,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 03:42:09,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 03:42:09,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-14 03:42:09,947 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 03:42:09,947 INFO L286 CfgBuilder]: Removed 9 assue(true) statements. [2019-01-14 03:42:09,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:42:09 BoogieIcfgContainer [2019-01-14 03:42:09,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 03:42:09,949 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 03:42:09,949 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 03:42:09,953 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 03:42:09,953 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:42:09,953 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 03:42:09" (1/3) ... [2019-01-14 03:42:09,955 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7aa3cbba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 03:42:09, skipping insertion in model container [2019-01-14 03:42:09,955 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:42:09,955 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:42:09" (2/3) ... [2019-01-14 03:42:09,955 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7aa3cbba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 03:42:09, skipping insertion in model container [2019-01-14 03:42:09,955 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:42:09,956 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:42:09" (3/3) ... [2019-01-14 03:42:09,957 INFO L375 chiAutomizerObserver]: Analyzing ICFG verisec_NetBSD-libc__loop_false-unreach-call_true-termination.i [2019-01-14 03:42:10,017 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 03:42:10,018 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 03:42:10,018 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 03:42:10,018 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 03:42:10,018 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 03:42:10,019 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 03:42:10,019 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 03:42:10,019 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 03:42:10,019 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 03:42:10,034 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2019-01-14 03:42:10,065 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-01-14 03:42:10,065 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 03:42:10,065 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 03:42:10,073 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-14 03:42:10,073 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-01-14 03:42:10,073 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 03:42:10,073 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2019-01-14 03:42:10,075 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-01-14 03:42:10,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 03:42:10,075 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 03:42:10,075 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-14 03:42:10,075 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-01-14 03:42:10,085 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~tmp~0.base, ~tmp~0.offset := 0, 0; 7#L-1true havoc main_#res;havoc main_#t~ret1, main_~#pathbuf~0.base, main_~#pathbuf~0.offset, main_~bound~0.base, main_~bound~0.offset;call main_~#pathbuf~0.base, main_~#pathbuf~0.offset := #Ultimate.allocOnStack(8);main_~bound~0.base, main_~bound~0.offset := main_~#pathbuf~0.base, 32 + main_~#pathbuf~0.offset - 4;~tmp~0.base, ~tmp~0.offset := main_~#pathbuf~0.base, 8 + main_~#pathbuf~0.offset - 4;glob2_#in~pathbuf.base, glob2_#in~pathbuf.offset, glob2_#in~pathlim.base, glob2_#in~pathlim.offset := main_~#pathbuf~0.base, main_~#pathbuf~0.offset, main_~bound~0.base, main_~bound~0.offset;havoc glob2_#res;havoc glob2_#t~post0.base, glob2_#t~post0.offset, glob2_~pathbuf.base, glob2_~pathbuf.offset, glob2_~pathlim.base, glob2_~pathlim.offset, glob2_~p~0.base, glob2_~p~0.offset;glob2_~pathbuf.base, glob2_~pathbuf.offset := glob2_#in~pathbuf.base, glob2_#in~pathbuf.offset;glob2_~pathlim.base, glob2_~pathlim.offset := glob2_#in~pathlim.base, glob2_#in~pathlim.offset;havoc glob2_~p~0.base, glob2_~p~0.offset;glob2_~p~0.base, glob2_~p~0.offset := glob2_~pathbuf.base, glob2_~pathbuf.offset; 14#L18-4true [2019-01-14 03:42:10,085 INFO L796 eck$LassoCheckResult]: Loop: 14#L18-4true assume glob2_~p~0.base == glob2_~pathlim.base; 6#L18-1true assume !!(glob2_~p~0.offset <= glob2_~pathlim.offset);assume glob2_~p~0.base == ~tmp~0.base;__VERIFIER_assert_#in~cond := (if glob2_~p~0.offset <= ~tmp~0.offset then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 15#L4true assume !(0 == __VERIFIER_assert_~cond); 10#L4-2true call write~int(1, glob2_~p~0.base, glob2_~p~0.offset, 4); 3#L18-3true glob2_#t~post0.base, glob2_#t~post0.offset := glob2_~p~0.base, glob2_~p~0.offset;glob2_~p~0.base, glob2_~p~0.offset := glob2_#t~post0.base, 4 + glob2_#t~post0.offset;havoc glob2_#t~post0.base, glob2_#t~post0.offset; 14#L18-4true [2019-01-14 03:42:10,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:42:10,091 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-01-14 03:42:10,092 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:42:10,093 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:42:10,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:42:10,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:42:10,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:42:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:42:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:42:10,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:42:10,226 INFO L82 PathProgramCache]: Analyzing trace with hash 34515950, now seen corresponding path program 1 times [2019-01-14 03:42:10,226 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:42:10,226 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:42:10,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:42:10,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:42:10,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:42:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:42:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:42:10,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:42:10,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1805955436, now seen corresponding path program 1 times [2019-01-14 03:42:10,253 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:42:10,253 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:42:10,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:42:10,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:42:10,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:42:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:42:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:42:10,428 WARN L181 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2019-01-14 03:42:10,569 WARN L181 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2019-01-14 03:42:10,975 WARN L181 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-01-14 03:42:11,204 WARN L181 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-01-14 03:42:11,223 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:42:11,225 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:42:11,225 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:42:11,225 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:42:11,225 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 03:42:11,225 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:42:11,226 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:42:11,226 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:42:11,226 INFO L131 ssoRankerPreferences]: Filename of dumped script: verisec_NetBSD-libc__loop_false-unreach-call_true-termination.i_Iteration1_Lasso [2019-01-14 03:42:11,226 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:42:11,227 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:42:11,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:42:11,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:42:11,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:42:11,595 WARN L181 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-01-14 03:42:11,859 WARN L181 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-01-14 03:42:11,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:42:11,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:42:11,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:42:11,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:42:11,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:42:12,320 WARN L181 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 29 [2019-01-14 03:42:12,589 WARN L181 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-01-14 03:42:12,785 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:42:12,790 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 03:42:12,791 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 [2019-01-14 03:42:12,793 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:42:12,793 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:42:12,794 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:42:12,794 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:42:12,794 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:42:12,796 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:42:12,796 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:42:12,799 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:42:12,800 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 [2019-01-14 03:42:12,800 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:42:12,801 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:42:12,801 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:42:12,801 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:42:12,801 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:42:12,802 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:42:12,802 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:42:12,803 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:42:12,803 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 [2019-01-14 03:42:12,804 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:42:12,804 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2019-01-14 03:42:12,804 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:42:12,805 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:42:12,815 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-01-14 03:42:12,815 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 03:42:12,890 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:42:12,895 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 [2019-01-14 03:42:12,897 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:42:12,897 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:42:12,897 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:42:12,897 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:42:12,898 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:42:12,898 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:42:12,898 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:42:12,900 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:42:12,901 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 [2019-01-14 03:42:12,901 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:42:12,902 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:42:12,902 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:42:12,902 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:42:12,910 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:42:12,910 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 03:42:13,003 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 03:42:13,049 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-01-14 03:42:13,050 INFO L444 ModelExtractionUtils]: 34 out of 40 variables were initially zero. Simplification set additionally 2 variables to zero. [2019-01-14 03:42:13,052 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 03:42:13,054 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-01-14 03:42:13,054 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 03:42:13,055 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_glob2_~p~0.offset, ~tmp~0.offset) = -1*ULTIMATE.start_glob2_~p~0.offset + 1*~tmp~0.offset + 2 Supporting invariants [] [2019-01-14 03:42:13,130 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-01-14 03:42:13,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:42:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 03:42:13,198 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 03:42:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 03:42:13,218 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 03:42:13,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 03:42:13,311 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-01-14 03:42:13,312 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 5 states. [2019-01-14 03:42:13,474 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 5 states. Result 35 states and 41 transitions. Complement of second has 9 states. [2019-01-14 03:42:13,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-01-14 03:42:13,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-01-14 03:42:13,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 28 transitions. [2019-01-14 03:42:13,479 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 2 letters. Loop has 5 letters. [2019-01-14 03:42:13,480 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 03:42:13,480 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 7 letters. Loop has 5 letters. [2019-01-14 03:42:13,481 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 03:42:13,481 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 2 letters. Loop has 10 letters. [2019-01-14 03:42:13,481 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 03:42:13,482 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 41 transitions. [2019-01-14 03:42:13,485 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 03:42:13,488 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2019-01-14 03:42:13,489 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 03:42:13,489 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 03:42:13,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 03:42:13,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 03:42:13,490 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 03:42:13,490 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 03:42:13,490 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 03:42:13,490 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 03:42:13,490 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-14 03:42:13,491 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 03:42:13,491 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-14 03:42:13,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 03:42:13 BoogieIcfgContainer [2019-01-14 03:42:13,496 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 03:42:13,496 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 03:42:13,496 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 03:42:13,497 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 03:42:13,497 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:42:09" (3/4) ... [2019-01-14 03:42:13,500 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 03:42:13,501 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 03:42:13,501 INFO L168 Benchmark]: Toolchain (without parser) took 4426.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 951.4 MB in the beginning and 910.1 MB in the end (delta: 41.2 MB). Peak memory consumption was 183.8 MB. Max. memory is 11.5 GB. [2019-01-14 03:42:13,503 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:42:13,503 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.43 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 03:42:13,504 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.85 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:42:13,505 INFO L168 Benchmark]: Boogie Preprocessor took 22.71 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-14 03:42:13,506 INFO L168 Benchmark]: RCFGBuilder took 487.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -182.4 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-01-14 03:42:13,507 INFO L168 Benchmark]: BuchiAutomizer took 3546.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.1 MB in the end (delta: 207.5 MB). Peak memory consumption was 207.5 MB. Max. memory is 11.5 GB. [2019-01-14 03:42:13,508 INFO L168 Benchmark]: Witness Printer took 4.45 ms. Allocated memory is still 1.2 GB. Free memory is still 910.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:42:13,513 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 313.43 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 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 46.85 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.71 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 487.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -182.4 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3546.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.1 MB in the end (delta: 207.5 MB). Peak memory consumption was 207.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.45 ms. Allocated memory is still 1.2 GB. Free memory is still 910.1 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * p + tmp + 2 and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 7 SDtfs, 11 SDslu, 15 SDs, 0 SdLazy, 15 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital145 mio100 ax100 hnf100 lsp95 ukn94 mio100 lsp55 div100 bol100 ite110 ukn100 eq191 hnf89 smp84 dnf107 smp100 tf100 neg98 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 87ms VariablesStem: 9 VariablesLoop: 5 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...