./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/email_spec0_product19_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_spec0_product19_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 fa70b27961ca39062c0ebe653ea06e8e7d50aca3 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:49:53,470 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:49:53,471 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:49:53,484 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:49:53,484 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:49:53,485 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:49:53,487 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:49:53,489 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:49:53,491 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:49:53,492 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:49:53,492 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:49:53,493 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:49:53,494 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:49:53,495 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:49:53,497 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:49:53,498 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:49:53,499 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:49:53,501 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:49:53,503 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:49:53,505 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:49:53,506 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:49:53,507 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:49:53,510 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:49:53,511 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:49:53,511 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:49:53,512 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:49:53,513 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:49:53,514 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:49:53,515 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:49:53,516 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:49:53,516 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:49:53,517 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:49:53,518 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:49:53,518 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:49:53,519 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:49:53,520 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:49:53,520 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:49:53,538 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:49:53,538 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:49:53,539 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:49:53,539 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:49:53,540 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:49:53,540 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:49:53,540 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:49:53,541 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:49:53,541 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:49:53,541 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:49:53,541 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:49:53,541 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:49:53,542 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:49:53,542 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:49:53,542 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:49:53,542 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:49:53,542 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:49:53,542 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:49:53,544 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:49:53,544 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:49:53,544 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:49:53,544 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:49:53,545 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:49:53,545 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:49:53,545 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:49:53,545 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:49:53,545 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:49:53,547 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:49:53,547 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:49:53,547 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:49:53,547 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:49:53,548 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:49:53,548 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 -> fa70b27961ca39062c0ebe653ea06e8e7d50aca3 [2018-11-28 23:49:53,585 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:49:53,598 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:49:53,602 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:49:53,603 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:49:53,604 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:49:53,605 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/email_spec0_product19_true-unreach-call_true-termination.cil.c [2018-11-28 23:49:53,667 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6981f859b/7a32589608a24aac80fcfd5637a8a34b/FLAG42ec9b171 [2018-11-28 23:49:54,346 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:49:54,347 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/email_spec0_product19_true-unreach-call_true-termination.cil.c [2018-11-28 23:49:54,368 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6981f859b/7a32589608a24aac80fcfd5637a8a34b/FLAG42ec9b171 [2018-11-28 23:49:54,544 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6981f859b/7a32589608a24aac80fcfd5637a8a34b [2018-11-28 23:49:54,547 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:49:54,549 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:49:54,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:49:54,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:49:54,555 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:49:54,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:49:54" (1/1) ... [2018-11-28 23:49:54,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c83b418 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:49:54, skipping insertion in model container [2018-11-28 23:49:54,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:49:54" (1/1) ... [2018-11-28 23:49:54,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:49:54,656 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:49:55,332 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:49:55,357 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:49:55,598 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:49:55,695 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:49:55,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:49:55 WrapperNode [2018-11-28 23:49:55,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:49:55,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:49:55,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:49:55,698 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:49:55,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:49:55" (1/1) ... [2018-11-28 23:49:55,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:49:55" (1/1) ... [2018-11-28 23:49:55,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:49:55,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:49:55,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:49:55,835 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:49:55,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:49:55" (1/1) ... [2018-11-28 23:49:55,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:49:55" (1/1) ... [2018-11-28 23:49:55,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:49:55" (1/1) ... [2018-11-28 23:49:55,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:49:55" (1/1) ... [2018-11-28 23:49:55,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:49:55" (1/1) ... [2018-11-28 23:49:55,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:49:55" (1/1) ... [2018-11-28 23:49:55,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:49:55" (1/1) ... [2018-11-28 23:49:55,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:49:55,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:49:55,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:49:55,969 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:49:55,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:49:55" (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 23:49:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:49:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-28 23:49:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 23:49:56,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:49:56,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:50:00,054 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:50:00,055 INFO L280 CfgBuilder]: Removed 295 assue(true) statements. [2018-11-28 23:50:00,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:50:00 BoogieIcfgContainer [2018-11-28 23:50:00,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:50:00,056 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:50:00,057 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:50:00,061 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:50:00,062 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:50:00,062 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:49:54" (1/3) ... [2018-11-28 23:50:00,064 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7525c225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:50:00, skipping insertion in model container [2018-11-28 23:50:00,064 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:50:00,064 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:49:55" (2/3) ... [2018-11-28 23:50:00,065 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7525c225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:50:00, skipping insertion in model container [2018-11-28 23:50:00,065 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:50:00,065 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:50:00" (3/3) ... [2018-11-28 23:50:00,067 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec0_product19_true-unreach-call_true-termination.cil.c [2018-11-28 23:50:00,138 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:50:00,139 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:50:00,139 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:50:00,139 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:50:00,140 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:50:00,140 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:50:00,140 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:50:00,140 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:50:00,140 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:50:00,188 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 433 states. [2018-11-28 23:50:00,257 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2018-11-28 23:50:00,259 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:50:00,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:50:00,271 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 23:50:00,271 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:50:00,271 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:50:00,271 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 433 states. [2018-11-28 23:50:00,289 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2018-11-28 23:50:00,290 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:50:00,290 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:50:00,293 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 23:50:00,293 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:50:00,301 INFO L794 eck$LassoCheckResult]: Stem: 280#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__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;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(10);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(12);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(10);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(18);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(13);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(16);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(25);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string21.base, #t~string21.offset := #Ultimate.alloc(10);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(16);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(20);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string42.base, #t~string42.offset := #Ultimate.alloc(44);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(44);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(11);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(19);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string60.base, #t~string60.offset, 1);call write~init~int(100, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(10, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string63.base, #t~string63.offset, 1);call write~init~int(100, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(10, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);~__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~string72.base, #t~string72.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string72.base, #t~string72.offset, 1);call write~init~int(115, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(10, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 3 + #t~string72.offset, 1);call #t~string85.base, #t~string85.offset := #Ultimate.alloc(16);~head~0.base, ~head~0.offset := 0, 0;call #t~string106.base, #t~string106.offset := #Ultimate.alloc(30);call #t~string107.base, #t~string107.offset := #Ultimate.alloc(9);call #t~string108.base, #t~string108.offset := #Ultimate.alloc(21);call #t~string109.base, #t~string109.offset := #Ultimate.alloc(30);call #t~string110.base, #t~string110.offset := #Ultimate.alloc(9);call #t~string111.base, #t~string111.offset := #Ultimate.alloc(21);call #t~string115.base, #t~string115.offset := #Ultimate.alloc(30);call #t~string116.base, #t~string116.offset := #Ultimate.alloc(9);call #t~string117.base, #t~string117.offset := #Ultimate.alloc(25);call #t~string118.base, #t~string118.offset := #Ultimate.alloc(30);call #t~string119.base, #t~string119.offset := #Ultimate.alloc(9);call #t~string120.base, #t~string120.offset := #Ultimate.alloc(25);~__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; 224#L-1true havoc main_#res;havoc main_#t~ret55, main_~retValue_acc~10, main_~tmp~11;havoc main_~retValue_acc~10;havoc main_~tmp~11; 236#L483true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 349#L491true main_#t~ret55 := valid_product_#res;main_~tmp~11 := main_#t~ret55;havoc main_#t~ret55; 3#L654true assume 0 != main_~tmp~11;havoc setup_#t~nondet50, setup_#t~nondet52, setup_#t~nondet54, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.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_tmp3~1.base, setup_~__cil_tmp3~1.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; 305#L1838true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 82#L1844-2true 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; 103#L1403true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 298#L1409-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string49.base, #t~string49.offset;havoc setup_#t~nondet50;~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; 316#L1838-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 90#L1844-5true 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; 96#L1403-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 284#L1409-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string51.base, #t~string51.offset;havoc setup_#t~nondet52;~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; 319#L1838-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 68#L1844-8true 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; 97#L1403-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 275#L1409-8true setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string53.base, #t~string53.offset;havoc setup_#t~nondet54; 202#L641true havoc test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, test_#t~nondet84, 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~15, test_~tmp___0~5, test_~tmp___1~3, test_~tmp___2~2, test_~tmp___3~1, test_~tmp___4~1, 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~15;havoc test_~tmp___0~5;havoc test_~tmp___1~3;havoc test_~tmp___2~2;havoc test_~tmp___3~1;havoc test_~tmp___4~1;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; 328#L2066-1true [2018-11-28 23:50:00,301 INFO L796 eck$LassoCheckResult]: Loop: 328#L2066-1true assume !false; 93#L1921true assume test_~splverifierCounter~0 < 4; 368#L1922true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 139#L1928true assume !(0 == test_~op1~0); 164#L1941true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet75;havoc test_#t~nondet75; 386#L1946true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 328#L2066-1true [2018-11-28 23:50:00,315 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:50:00,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2018-11-28 23:50:00,318 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:50:00,319 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:50:00,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:50:00,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:50:00,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:50:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:50:00,676 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 23:50:00,679 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:50:00,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:50:00,683 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 23:50:00,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:50:00,684 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2018-11-28 23:50:00,684 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:50:00,684 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:50:00,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:50:00,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:50:00,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:50:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:50:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:50:00,907 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-28 23:50:01,107 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-28 23:50:01,130 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:50:01,131 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:50:01,134 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:50:01,135 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:50:01,135 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:50:01,135 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:50:01,135 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:50:01,135 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:50:01,136 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product19_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 23:50:01,136 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:50:01,136 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:50:01,169 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 23:50:01,251 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 23:50:01,264 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 23:50:01,289 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 23:50:01,500 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:50:01,501 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 23:50:01,515 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:50:01,515 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:50:01,545 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:50:01,546 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet75=-8, ULTIMATE.start_test_~tmp___8~0=-8} Honda state: {ULTIMATE.start_test_#t~nondet75=-8, ULTIMATE.start_test_~tmp___8~0=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 23:50:01,586 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:50:01,586 INFO L163 nArgumentSynthesizer]: Using integer mode. 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) [2018-11-28 23:50:01,650 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:50:01,650 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:50:01,661 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:50:01,694 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:50:01,694 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:50:01,694 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:50:01,695 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:50:01,695 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:50:01,695 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:50:01,695 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:50:01,695 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:50:01,695 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product19_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 23:50:01,697 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:50:01,697 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:50:01,706 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 23:50:01,752 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 23:50:01,768 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 23:50:01,802 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 23:50:02,092 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:50:02,097 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:50:02,098 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 23:50:02,100 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:50:02,100 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:50:02,101 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:50:02,101 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:50:02,101 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:50:02,104 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:50:02,104 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:50:02,110 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:50:02,114 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:50:02,115 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 23:50:02,117 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:50:02,117 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 23:50:02,118 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:50:02,119 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 23:50:02,120 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 23:50:02,338 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:50:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:50:02,572 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:50:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:50:02,624 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:50:02,766 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 23:50:02,787 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 23:50:02,789 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 433 states. Second operand 4 states. [2018-11-28 23:50:03,192 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 433 states.. Second operand 4 states. Result 1838 states and 3162 transitions. Complement of second has 7 states. [2018-11-28 23:50:03,193 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 23:50:03,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 23:50:03,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1764 transitions. [2018-11-28 23:50:03,201 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1764 transitions. Stem has 18 letters. Loop has 6 letters. [2018-11-28 23:50:03,203 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:50:03,203 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1764 transitions. Stem has 24 letters. Loop has 6 letters. [2018-11-28 23:50:03,204 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:50:03,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1764 transitions. Stem has 18 letters. Loop has 12 letters. [2018-11-28 23:50:03,204 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:50:03,206 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1838 states and 3162 transitions. [2018-11-28 23:50:03,231 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2018-11-28 23:50:03,248 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1838 states to 879 states and 1596 transitions. [2018-11-28 23:50:03,250 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 454 [2018-11-28 23:50:03,252 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 455 [2018-11-28 23:50:03,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 879 states and 1596 transitions. [2018-11-28 23:50:03,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 23:50:03,254 INFO L705 BuchiCegarLoop]: Abstraction has 879 states and 1596 transitions. [2018-11-28 23:50:03,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states and 1596 transitions. [2018-11-28 23:50:03,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 456. [2018-11-28 23:50:03,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2018-11-28 23:50:03,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 825 transitions. [2018-11-28 23:50:03,326 INFO L728 BuchiCegarLoop]: Abstraction has 456 states and 825 transitions. [2018-11-28 23:50:03,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:50:03,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:50:03,332 INFO L87 Difference]: Start difference. First operand 456 states and 825 transitions. Second operand 3 states. [2018-11-28 23:50:03,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:50:03,568 INFO L93 Difference]: Finished difference Result 892 states and 1615 transitions. [2018-11-28 23:50:03,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:50:03,570 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 892 states and 1615 transitions. [2018-11-28 23:50:03,578 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 424 [2018-11-28 23:50:03,586 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 892 states to 892 states and 1615 transitions. [2018-11-28 23:50:03,586 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 466 [2018-11-28 23:50:03,587 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 466 [2018-11-28 23:50:03,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 892 states and 1615 transitions. [2018-11-28 23:50:03,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 23:50:03,588 INFO L705 BuchiCegarLoop]: Abstraction has 892 states and 1615 transitions. [2018-11-28 23:50:03,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states and 1615 transitions. [2018-11-28 23:50:03,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 455. [2018-11-28 23:50:03,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2018-11-28 23:50:03,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 821 transitions. [2018-11-28 23:50:03,620 INFO L728 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2018-11-28 23:50:03,620 INFO L608 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2018-11-28 23:50:03,620 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:50:03,620 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 455 states and 821 transitions. [2018-11-28 23:50:03,624 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2018-11-28 23:50:03,624 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:50:03,624 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:50:03,625 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 23:50:03,626 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:50:03,626 INFO L794 eck$LassoCheckResult]: Stem: 3982#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__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;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(10);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(12);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(10);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(18);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(13);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(16);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(25);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string21.base, #t~string21.offset := #Ultimate.alloc(10);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(16);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(20);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string42.base, #t~string42.offset := #Ultimate.alloc(44);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(44);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(11);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(19);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string60.base, #t~string60.offset, 1);call write~init~int(100, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(10, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string63.base, #t~string63.offset, 1);call write~init~int(100, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(10, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);~__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~string72.base, #t~string72.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string72.base, #t~string72.offset, 1);call write~init~int(115, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(10, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 3 + #t~string72.offset, 1);call #t~string85.base, #t~string85.offset := #Ultimate.alloc(16);~head~0.base, ~head~0.offset := 0, 0;call #t~string106.base, #t~string106.offset := #Ultimate.alloc(30);call #t~string107.base, #t~string107.offset := #Ultimate.alloc(9);call #t~string108.base, #t~string108.offset := #Ultimate.alloc(21);call #t~string109.base, #t~string109.offset := #Ultimate.alloc(30);call #t~string110.base, #t~string110.offset := #Ultimate.alloc(9);call #t~string111.base, #t~string111.offset := #Ultimate.alloc(21);call #t~string115.base, #t~string115.offset := #Ultimate.alloc(30);call #t~string116.base, #t~string116.offset := #Ultimate.alloc(9);call #t~string117.base, #t~string117.offset := #Ultimate.alloc(25);call #t~string118.base, #t~string118.offset := #Ultimate.alloc(30);call #t~string119.base, #t~string119.offset := #Ultimate.alloc(9);call #t~string120.base, #t~string120.offset := #Ultimate.alloc(25);~__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; 3740#L-1 havoc main_#res;havoc main_#t~ret55, main_~retValue_acc~10, main_~tmp~11;havoc main_~retValue_acc~10;havoc main_~tmp~11; 3741#L483 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 3774#L491 main_#t~ret55 := valid_product_#res;main_~tmp~11 := main_#t~ret55;havoc main_#t~ret55; 3724#L654 assume 0 != main_~tmp~11;havoc setup_#t~nondet50, setup_#t~nondet52, setup_#t~nondet54, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.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_tmp3~1.base, setup_~__cil_tmp3~1.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; 3725#L1838 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3981#L1844-2 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; 3985#L1403 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4021#L1409-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string49.base, #t~string49.offset;havoc setup_#t~nondet50;~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; 4040#L1838-2 assume !(1 == setClientId_~handle); 4056#L1841-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4008#L1844-5 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; 4009#L1403-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3984#L1409-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string51.base, #t~string51.offset;havoc setup_#t~nondet52;~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; 3996#L1838-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3920#L1844-8 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; 3947#L1403-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3921#L1409-8 setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string53.base, #t~string53.offset;havoc setup_#t~nondet54; 3922#L641 havoc test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, test_#t~nondet84, 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~15, test_~tmp___0~5, test_~tmp___1~3, test_~tmp___2~2, test_~tmp___3~1, test_~tmp___4~1, 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~15;havoc test_~tmp___0~5;havoc test_~tmp___1~3;havoc test_~tmp___2~2;havoc test_~tmp___3~1;havoc test_~tmp___4~1;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; 4172#L2066-1 assume !false; 4036#L1921 [2018-11-28 23:50:03,626 INFO L796 eck$LassoCheckResult]: Loop: 4036#L1921 assume test_~splverifierCounter~0 < 4; 4037#L1922 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4149#L1928 assume !(0 == test_~op1~0); 4025#L1941 assume !(0 == test_~op2~0); 4165#L1952 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet76;havoc test_#t~nondet76; 4166#L1957 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; 4058#L1403-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3930#L1409-11 test_~op3~0 := 1; 3862#L2066-1 assume !false; 4036#L1921 [2018-11-28 23:50:03,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:50:03,637 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2018-11-28 23:50:03,637 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:50:03,637 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:50:03,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:50:03,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:50:03,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:50:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:50:03,840 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 23:50:03,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:50:03,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 23:50:03,841 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 23:50:03,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:50:03,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2018-11-28 23:50:03,842 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:50:03,842 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:50:03,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:50:03,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:50:03,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:50:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:50:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:50:04,108 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-11-28 23:50:04,464 WARN L180 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-11-28 23:50:04,477 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:50:04,477 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:50:04,477 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:50:04,477 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:50:04,477 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:50:04,477 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:50:04,477 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:50:04,478 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:50:04,478 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product19_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 23:50:04,478 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:50:04,478 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:50:04,480 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 23:50:04,568 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 23:50:04,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:04,583 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 23:50:04,602 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 23:50:04,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:04,616 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 23:50:04,878 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:50:04,879 INFO L412 LassoAnalysis]: Checking for nontermination... 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 23:50:04,884 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:50:04,884 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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:50:04,909 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:50:04,909 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:50:04,933 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:50:04,935 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:50:04,936 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:50:04,936 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:50:04,936 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:50:04,936 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:50:04,936 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:50:04,936 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:50:04,936 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:50:04,936 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product19_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 23:50:04,937 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:50:04,937 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:50:04,939 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 23:50:04,951 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 23:50:04,953 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 23:50:04,962 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 23:50:04,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:04,984 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 23:50:04,988 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 23:50:05,202 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:50:05,202 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:50:05,203 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 23:50:05,204 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:50:05,204 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:50:05,204 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:50:05,204 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:50:05,204 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:50:05,205 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:50:05,205 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:50:05,209 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:50:05,212 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:50:05,212 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 23:50:05,212 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:50:05,213 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 23:50:05,213 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:50:05,213 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 23:50:05,213 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 23:50:05,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:50:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:50:05,375 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:50:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:50:05,413 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:50:05,530 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 23:50:05,530 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 23:50:05,531 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368 Second operand 4 states. [2018-11-28 23:50:05,628 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368. Second operand 4 states. Result 883 states and 1601 transitions. Complement of second has 6 states. [2018-11-28 23:50:05,629 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 23:50:05,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 23:50:05,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2018-11-28 23:50:05,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 9 letters. [2018-11-28 23:50:05,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:50:05,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 29 letters. Loop has 9 letters. [2018-11-28 23:50:05,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:50:05,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 18 letters. [2018-11-28 23:50:05,632 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:50:05,632 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 883 states and 1601 transitions. [2018-11-28 23:50:05,646 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:50:05,646 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 883 states to 0 states and 0 transitions. [2018-11-28 23:50:05,646 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:50:05,646 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:50:05,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:50:05,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:50:05,647 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:50:05,647 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:50:05,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 23:50:05,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 23:50:05,647 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2018-11-28 23:50:05,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:50:05,648 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-28 23:50:05,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 23:50:05,648 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-28 23:50:05,648 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:50:05,648 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 23:50:05,648 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:50:05,648 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:50:05,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:50:05,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:50:05,649 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:50:05,649 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:50:05,649 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:50:05,649 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 23:50:05,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 23:50:05,649 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:50:05,649 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 23:50:05,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:50:05 BoogieIcfgContainer [2018-11-28 23:50:05,658 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:50:05,659 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:50:05,659 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:50:05,659 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:50:05,660 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:50:00" (3/4) ... [2018-11-28 23:50:05,667 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:50:05,667 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:50:05,670 INFO L168 Benchmark]: Toolchain (without parser) took 11121.80 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 226.0 MB). Free memory was 944.7 MB in the beginning and 963.9 MB in the end (delta: -19.3 MB). Peak memory consumption was 206.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:50:05,671 INFO L168 Benchmark]: CDTParser took 0.17 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 23:50:05,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1146.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -142.0 MB). Peak memory consumption was 50.9 MB. Max. memory is 11.5 GB. [2018-11-28 23:50:05,674 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.22 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-28 23:50:05,675 INFO L168 Benchmark]: Boogie Preprocessor took 134.14 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-28 23:50:05,677 INFO L168 Benchmark]: RCFGBuilder took 4086.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 887.5 MB in the end (delta: 185.4 MB). Peak memory consumption was 185.4 MB. Max. memory is 11.5 GB. [2018-11-28 23:50:05,679 INFO L168 Benchmark]: BuchiAutomizer took 5602.24 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 97.0 MB). Free memory was 887.5 MB in the beginning and 963.9 MB in the end (delta: -76.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-11-28 23:50:05,680 INFO L168 Benchmark]: Witness Printer took 8.40 ms. Allocated memory is still 1.3 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:50:05,689 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 1146.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -142.0 MB). Peak memory consumption was 50.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 137.22 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 134.14 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4086.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 887.5 MB in the end (delta: 185.4 MB). Peak memory consumption was 185.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5602.24 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 97.0 MB). Free memory was 887.5 MB in the beginning and 963.9 MB in the end (delta: -76.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Witness Printer took 8.40 ms. Allocated memory is still 1.3 GB. Free memory is still 963.9 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 5.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.4s. 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, 860 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 455 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2703 SDtfs, 2284 SDslu, 3257 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: 20ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...