./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/email_spec8_product12_true-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e 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/product-lines/email_spec8_product12_true-unreach-call_true-termination.cil.c -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 68e1564ec6b4d8b9d1c0e23b5ae3619ad45b11fd ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:52:48,873 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:52:48,875 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:52:48,892 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:52:48,894 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:52:48,896 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:52:48,900 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:52:48,902 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:52:48,905 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:52:48,908 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:52:48,911 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:52:48,912 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:52:48,913 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:52:48,916 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:52:48,921 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:52:48,923 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:52:48,924 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:52:48,928 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:52:48,934 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:52:48,938 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:52:48,940 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:52:48,943 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:52:48,947 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:52:48,949 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:52:48,949 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:52:48,950 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:52:48,951 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:52:48,951 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:52:48,952 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:52:48,953 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:52:48,953 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:52:48,954 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:52:48,954 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:52:48,954 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:52:48,955 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:52:48,956 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:52:48,956 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:52:48,972 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:52:48,973 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:52:48,974 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:52:48,974 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:52:48,974 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:52:48,975 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:52:48,975 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:52:48,975 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:52:48,975 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:52:48,975 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:52:48,975 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:52:48,976 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:52:48,976 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:52:48,976 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:52:48,976 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:52:48,976 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:52:48,976 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:52:48,977 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:52:48,977 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:52:48,977 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:52:48,977 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:52:48,977 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:52:48,977 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:52:48,978 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:52:48,978 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:52:48,979 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:52:48,979 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:52:48,979 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:52:48,979 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:52:48,979 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:52:48,980 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:52:48,981 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:52:48,981 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 -> 68e1564ec6b4d8b9d1c0e23b5ae3619ad45b11fd [2018-11-28 23:52:49,043 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:52:49,059 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:52:49,065 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:52:49,067 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:52:49,068 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:52:49,069 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/email_spec8_product12_true-unreach-call_true-termination.cil.c [2018-11-28 23:52:49,131 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd20b886c/c458feab076b4cd2b6552412e7d02102/FLAG7aa66c786 [2018-11-28 23:52:49,768 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:52:49,769 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/email_spec8_product12_true-unreach-call_true-termination.cil.c [2018-11-28 23:52:49,799 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd20b886c/c458feab076b4cd2b6552412e7d02102/FLAG7aa66c786 [2018-11-28 23:52:49,914 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd20b886c/c458feab076b4cd2b6552412e7d02102 [2018-11-28 23:52:49,919 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:52:49,920 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:52:49,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:52:49,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:52:49,926 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:52:49,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:52:49" (1/1) ... [2018-11-28 23:52:49,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f31aaa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:49, skipping insertion in model container [2018-11-28 23:52:49,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:52:49" (1/1) ... [2018-11-28 23:52:49,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:52:50,027 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:52:50,647 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:52:50,671 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:52:50,915 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:52:50,995 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:52:50,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:50 WrapperNode [2018-11-28 23:52:50,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:52:50,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:52:50,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:52:50,998 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:52:51,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:50" (1/1) ... [2018-11-28 23:52:51,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:50" (1/1) ... [2018-11-28 23:52:51,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:52:51,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:52:51,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:52:51,138 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:52:51,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:50" (1/1) ... [2018-11-28 23:52:51,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:50" (1/1) ... [2018-11-28 23:52:51,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:50" (1/1) ... [2018-11-28 23:52:51,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:50" (1/1) ... [2018-11-28 23:52:51,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:50" (1/1) ... [2018-11-28 23:52:51,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:50" (1/1) ... [2018-11-28 23:52:51,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:50" (1/1) ... [2018-11-28 23:52:51,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:52:51,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:52:51,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:52:51,245 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:52:51,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:50" (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 [2018-11-28 23:52:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:52:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-28 23:52:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 23:52:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:52:51,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:52:54,926 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:52:54,927 INFO L280 CfgBuilder]: Removed 231 assue(true) statements. [2018-11-28 23:52:54,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:52:54 BoogieIcfgContainer [2018-11-28 23:52:54,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:52:54,928 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:52:54,928 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:52:54,933 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:52:54,934 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:52:54,934 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:52:49" (1/3) ... [2018-11-28 23:52:54,936 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4961f23d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:52:54, skipping insertion in model container [2018-11-28 23:52:54,937 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:52:54,937 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:50" (2/3) ... [2018-11-28 23:52:54,938 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4961f23d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:52:54, skipping insertion in model container [2018-11-28 23:52:54,938 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:52:54,938 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:52:54" (3/3) ... [2018-11-28 23:52:54,940 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec8_product12_true-unreach-call_true-termination.cil.c [2018-11-28 23:52:55,006 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:52:55,007 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:52:55,007 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:52:55,007 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:52:55,008 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:52:55,008 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:52:55,008 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:52:55,008 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:52:55,008 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:52:55,039 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 381 states. [2018-11-28 23:52:55,092 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2018-11-28 23:52:55,093 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:52:55,093 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:52:55,104 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:52:55,104 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:52:55,104 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:52:55,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 381 states. [2018-11-28 23:52:55,117 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2018-11-28 23:52:55,117 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:52:55,117 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:52:55,119 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:52:55,120 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:52:55,127 INFO L794 eck$LassoCheckResult]: Stem: 121#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string35.base, #t~string35.offset := #Ultimate.alloc(44);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(44);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(11);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(19);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string54.base, #t~string54.offset, 1);call write~init~int(100, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(10, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string57.base, #t~string57.offset, 1);call write~init~int(100, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(10, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~in_encrypted~0 := 0;call #t~string76.base, #t~string76.offset := #Ultimate.alloc(17);call #t~string79.base, #t~string79.offset := #Ultimate.alloc(17);call #t~string81.base, #t~string81.offset := #Ultimate.alloc(13);call #t~string83.base, #t~string83.offset := #Ultimate.alloc(17);call #t~string87.base, #t~string87.offset := #Ultimate.alloc(10);call #t~string90.base, #t~string90.offset := #Ultimate.alloc(12);call #t~string93.base, #t~string93.offset := #Ultimate.alloc(10);call #t~string96.base, #t~string96.offset := #Ultimate.alloc(18);call #t~string99.base, #t~string99.offset := #Ultimate.alloc(16);call #t~string102.base, #t~string102.offset := #Ultimate.alloc(21);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string106.base, #t~string106.offset := #Ultimate.alloc(10);call #t~string112.base, #t~string112.offset := #Ultimate.alloc(16);call #t~string120.base, #t~string120.offset := #Ultimate.alloc(20);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;call #t~string124.base, #t~string124.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string124.base, #t~string124.offset, 1);call write~init~int(115, #t~string124.base, 1 + #t~string124.offset, 1);call write~init~int(10, #t~string124.base, 2 + #t~string124.offset, 1);call write~init~int(0, #t~string124.base, 3 + #t~string124.offset, 1); 9#L-1true havoc main_#res;havoc main_#t~nondet48, main_#t~ret49, main_~retValue_acc~3, main_~tmp~4;main_~retValue_acc~3 := main_#t~nondet48;havoc main_#t~nondet48;havoc main_~tmp~4; 88#L730true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 94#L738true main_#t~ret49 := valid_product_#res;main_~tmp~4 := main_#t~ret49;havoc main_#t~ret49; 277#L584true assume 0 != main_~tmp~4;havoc setup_#t~nondet43, setup_#t~nondet45, setup_#t~nondet47, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 96#L2808true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 248#L2814-2true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 110#L2373true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 235#L2379-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string42.base, #t~string42.offset;havoc setup_#t~nondet43;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 97#L2808-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 201#L2814-5true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 91#L2373-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 243#L2379-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string44.base, #t~string44.offset;havoc setup_#t~nondet45;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 275#L2808-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 216#L2814-8true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 99#L2373-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 200#L2379-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string46.base, #t~string46.offset;havoc setup_#t~nondet47; 22#L571true havoc test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 49#L934-1true [2018-11-28 23:52:55,128 INFO L796 eck$LassoCheckResult]: Loop: 49#L934-1true assume !false; 148#L792true assume test_~splverifierCounter~0 < 4; 92#L793true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 270#L799true assume !(0 == test_~op1~0); 311#L812true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet66;havoc test_#t~nondet66; 363#L817true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 49#L934-1true [2018-11-28 23:52:55,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:52:55,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2018-11-28 23:52:55,141 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:52:55,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:52:55,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:52:55,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:52:55,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:52:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:52:55,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:52:55,514 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:52:55,514 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:52:55,518 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 23:52:55,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:52:55,518 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2018-11-28 23:52:55,519 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:52:55,519 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:52:55,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:52:55,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:52:55,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:52:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:52:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:52:55,740 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-28 23:52:55,939 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-28 23:52:55,965 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:52:55,967 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:52:55,967 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:52:55,967 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:52:55,967 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:52:55,967 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:52:55,972 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:52:55,972 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:52:55,972 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec8_product12_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 23:52:55,972 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:52:55,974 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:52:56,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:56,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:56,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:56,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:56,445 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-11-28 23:52:56,816 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-28 23:52:56,828 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:52:56,829 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:52:56,835 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:52:56,835 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:52:56,864 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:52:56,864 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:52:56,876 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:52:56,894 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:52:56,894 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:52:56,894 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:52:56,894 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:52:56,894 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:52:56,895 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:52:56,895 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:52:56,895 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:52:56,895 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec8_product12_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 23:52:56,896 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:52:56,896 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:52:56,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:56,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:56,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:56,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:57,258 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:52:57,264 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:52:57,266 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:52:57,269 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:52:57,269 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:52:57,270 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:52:57,270 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:52:57,271 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:52:57,274 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:52:57,274 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:52:57,280 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:52:57,286 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:52:57,287 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 23:52:57,290 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:52:57,290 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 23:52:57,291 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:52:57,292 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2018-11-28 23:52:57,293 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 23:52:57,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:52:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:52:57,656 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:52:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:52:57,753 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:52:57,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:52:57,808 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 [2018-11-28 23:52:57,809 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 381 states. Second operand 4 states. [2018-11-28 23:52:58,070 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 381 states.. Second operand 4 states. Result 1582 states and 2774 transitions. Complement of second has 7 states. [2018-11-28 23:52:58,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 23:52:58,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 23:52:58,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1534 transitions. [2018-11-28 23:52:58,082 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1534 transitions. Stem has 18 letters. Loop has 6 letters. [2018-11-28 23:52:58,084 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:52:58,084 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1534 transitions. Stem has 24 letters. Loop has 6 letters. [2018-11-28 23:52:58,084 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:52:58,085 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1534 transitions. Stem has 18 letters. Loop has 12 letters. [2018-11-28 23:52:58,085 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:52:58,087 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1582 states and 2774 transitions. [2018-11-28 23:52:58,109 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 415 [2018-11-28 23:52:58,127 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1582 states to 863 states and 1568 transitions. [2018-11-28 23:52:58,128 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 446 [2018-11-28 23:52:58,131 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 447 [2018-11-28 23:52:58,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 863 states and 1568 transitions. [2018-11-28 23:52:58,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 23:52:58,133 INFO L705 BuchiCegarLoop]: Abstraction has 863 states and 1568 transitions. [2018-11-28 23:52:58,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states and 1568 transitions. [2018-11-28 23:52:58,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 448. [2018-11-28 23:52:58,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2018-11-28 23:52:58,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 811 transitions. [2018-11-28 23:52:58,199 INFO L728 BuchiCegarLoop]: Abstraction has 448 states and 811 transitions. [2018-11-28 23:52:58,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:52:58,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:52:58,204 INFO L87 Difference]: Start difference. First operand 448 states and 811 transitions. Second operand 3 states. [2018-11-28 23:52:58,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:52:58,467 INFO L93 Difference]: Finished difference Result 876 states and 1587 transitions. [2018-11-28 23:52:58,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:52:58,468 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 876 states and 1587 transitions. [2018-11-28 23:52:58,477 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 416 [2018-11-28 23:52:58,486 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 876 states to 876 states and 1587 transitions. [2018-11-28 23:52:58,486 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 458 [2018-11-28 23:52:58,487 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 458 [2018-11-28 23:52:58,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 876 states and 1587 transitions. [2018-11-28 23:52:58,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 23:52:58,488 INFO L705 BuchiCegarLoop]: Abstraction has 876 states and 1587 transitions. [2018-11-28 23:52:58,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states and 1587 transitions. [2018-11-28 23:52:58,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 447. [2018-11-28 23:52:58,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2018-11-28 23:52:58,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 807 transitions. [2018-11-28 23:52:58,522 INFO L728 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2018-11-28 23:52:58,523 INFO L608 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2018-11-28 23:52:58,523 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:52:58,524 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 447 states and 807 transitions. [2018-11-28 23:52:58,527 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2018-11-28 23:52:58,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:52:58,527 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:52:58,529 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:52:58,532 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:52:58,533 INFO L794 eck$LassoCheckResult]: Stem: 3662#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string35.base, #t~string35.offset := #Ultimate.alloc(44);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(44);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(11);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(19);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string54.base, #t~string54.offset, 1);call write~init~int(100, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(10, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string57.base, #t~string57.offset, 1);call write~init~int(100, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(10, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~in_encrypted~0 := 0;call #t~string76.base, #t~string76.offset := #Ultimate.alloc(17);call #t~string79.base, #t~string79.offset := #Ultimate.alloc(17);call #t~string81.base, #t~string81.offset := #Ultimate.alloc(13);call #t~string83.base, #t~string83.offset := #Ultimate.alloc(17);call #t~string87.base, #t~string87.offset := #Ultimate.alloc(10);call #t~string90.base, #t~string90.offset := #Ultimate.alloc(12);call #t~string93.base, #t~string93.offset := #Ultimate.alloc(10);call #t~string96.base, #t~string96.offset := #Ultimate.alloc(18);call #t~string99.base, #t~string99.offset := #Ultimate.alloc(16);call #t~string102.base, #t~string102.offset := #Ultimate.alloc(21);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string106.base, #t~string106.offset := #Ultimate.alloc(10);call #t~string112.base, #t~string112.offset := #Ultimate.alloc(16);call #t~string120.base, #t~string120.offset := #Ultimate.alloc(20);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;call #t~string124.base, #t~string124.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string124.base, #t~string124.offset, 1);call write~init~int(115, #t~string124.base, 1 + #t~string124.offset, 1);call write~init~int(10, #t~string124.base, 2 + #t~string124.offset, 1);call write~init~int(0, #t~string124.base, 3 + #t~string124.offset, 1); 3396#L-1 havoc main_#res;havoc main_#t~nondet48, main_#t~ret49, main_~retValue_acc~3, main_~tmp~4;main_~retValue_acc~3 := main_#t~nondet48;havoc main_#t~nondet48;havoc main_~tmp~4; 3397#L730 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 3615#L738 main_#t~ret49 := valid_product_#res;main_~tmp~4 := main_#t~ret49;havoc main_#t~ret49; 3627#L584 assume 0 != main_~tmp~4;havoc setup_#t~nondet43, setup_#t~nondet45, setup_#t~nondet47, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3628#L2808 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3608#L2814-2 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 3645#L2373 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3603#L2379-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string42.base, #t~string42.offset;havoc setup_#t~nondet43;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3629#L2808-2 assume !(1 == setClientId_~handle); 3530#L2811-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 3531#L2814-5 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 3622#L2373-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3611#L2379-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string44.base, #t~string44.offset;havoc setup_#t~nondet45;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3797#L2808-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3537#L2814-8 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 3630#L2373-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3533#L2379-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string46.base, #t~string46.offset;havoc setup_#t~nondet47; 3418#L571 havoc test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 3419#L934-1 assume !false; 3497#L792 [2018-11-28 23:52:58,533 INFO L796 eck$LassoCheckResult]: Loop: 3497#L792 assume test_~splverifierCounter~0 < 4; 3623#L793 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 3624#L799 assume !(0 == test_~op1~0); 3711#L812 assume !(0 == test_~op2~0); 3804#L823 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet67;havoc test_#t~nondet67; 3805#L828 assume 0 != test_~tmp___7~0;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := ~rjh~0, 0;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 3631#L2373-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3539#L2379-11 test_~op3~0 := 1; 3496#L934-1 assume !false; 3497#L792 [2018-11-28 23:52:58,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:52:58,533 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2018-11-28 23:52:58,533 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:52:58,533 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:52:58,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:52:58,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:52:58,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:52:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:52:58,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:52:58,752 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:52:58,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 23:52:58,753 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 23:52:58,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:52:58,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2018-11-28 23:52:58,753 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:52:58,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:52:58,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:52:58,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:52:58,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:52:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:52:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:52:58,962 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-11-28 23:52:59,133 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-11-28 23:52:59,135 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:52:59,135 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:52:59,135 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:52:59,135 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:52:59,135 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:52:59,136 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:52:59,136 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:52:59,136 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:52:59,136 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec8_product12_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 23:52:59,136 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:52:59,136 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:52:59,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:59,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:59,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:59,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:59,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:59,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:59,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:59,375 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:52:59,375 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:52:59,380 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:52:59,380 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:52:59,403 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:52:59,404 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet67=3, ULTIMATE.start_test_~tmp___7~0=3} Honda state: {ULTIMATE.start_test_#t~nondet67=3, ULTIMATE.start_test_~tmp___7~0=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:52:59,455 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:52:59,455 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2018-11-28 23:52:59,512 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:52:59,513 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:52:59,577 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:52:59,580 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:52:59,581 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:52:59,581 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:52:59,581 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:52:59,581 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:52:59,581 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:52:59,582 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:52:59,583 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:52:59,584 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec8_product12_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 23:52:59,584 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:52:59,584 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:52:59,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:59,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:59,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:59,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:59,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:59,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:59,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:00,265 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-28 23:53:00,349 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:53:00,349 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:53:00,350 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:53:00,351 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:53:00,351 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:53:00,351 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:53:00,351 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:53:00,351 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:53:00,352 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:53:00,352 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:53:00,356 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:53:00,359 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:53:00,359 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 23:53:00,360 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:53:00,360 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 23:53:00,360 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:53:00,360 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2018-11-28 23:53:00,362 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 23:53:00,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:53:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:53:00,539 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:53:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:53:00,579 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:53:00,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:53:00,929 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-11-28 23:53:00,929 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362 Second operand 4 states. [2018-11-28 23:53:01,033 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362. Second operand 4 states. Result 867 states and 1573 transitions. Complement of second has 6 states. [2018-11-28 23:53:01,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 23:53:01,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 23:53:01,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 426 transitions. [2018-11-28 23:53:01,035 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 9 letters. [2018-11-28 23:53:01,037 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:53:01,038 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 29 letters. Loop has 9 letters. [2018-11-28 23:53:01,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:53:01,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 18 letters. [2018-11-28 23:53:01,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:53:01,043 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 867 states and 1573 transitions. [2018-11-28 23:53:01,052 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:53:01,053 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 867 states to 0 states and 0 transitions. [2018-11-28 23:53:01,053 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:53:01,053 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:53:01,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:53:01,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:53:01,054 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:53:01,054 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:53:01,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 23:53:01,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 23:53:01,057 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2018-11-28 23:53:01,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:53:01,058 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-28 23:53:01,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 23:53:01,058 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-28 23:53:01,059 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:53:01,059 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 23:53:01,059 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:53:01,059 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:53:01,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:53:01,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:53:01,062 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:53:01,062 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:53:01,063 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:53:01,063 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 23:53:01,063 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 23:53:01,063 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:53:01,063 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 23:53:01,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:53:01 BoogieIcfgContainer [2018-11-28 23:53:01,072 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:53:01,073 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:53:01,073 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:53:01,073 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:53:01,075 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:52:54" (3/4) ... [2018-11-28 23:53:01,080 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:53:01,081 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:53:01,082 INFO L168 Benchmark]: Toolchain (without parser) took 11162.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 214.4 MB). Free memory was 946.0 MB in the beginning and 977.0 MB in the end (delta: -31.0 MB). Peak memory consumption was 183.4 MB. Max. memory is 11.5 GB. [2018-11-28 23:53:01,085 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-11-28 23:53:01,087 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1074.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -146.9 MB). Peak memory consumption was 51.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:53:01,089 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:53:01,090 INFO L168 Benchmark]: Boogie Preprocessor took 105.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:53:01,091 INFO L168 Benchmark]: RCFGBuilder took 3683.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 902.4 MB in the end (delta: 176.7 MB). Peak memory consumption was 176.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:53:01,093 INFO L168 Benchmark]: BuchiAutomizer took 6143.91 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 86.5 MB). Free memory was 902.4 MB in the beginning and 977.0 MB in the end (delta: -74.6 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2018-11-28 23:53:01,095 INFO L168 Benchmark]: Witness Printer took 8.81 ms. Allocated memory is still 1.2 GB. Free memory is still 977.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:53:01,104 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 1074.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -146.9 MB). Peak memory consumption was 51.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 140.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 105.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3683.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 902.4 MB in the end (delta: 176.7 MB). Peak memory consumption was 176.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6143.91 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 86.5 MB). Free memory was 902.4 MB in the beginning and 977.0 MB in the end (delta: -74.6 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * Witness Printer took 8.81 ms. Allocated memory is still 1.2 GB. Free memory is still 977.0 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 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.0s. Construction of modules took 0.3s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 844 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 447 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2524 SDtfs, 2112 SDslu, 2999 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 25ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...