./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/email_spec8_product21_false-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/email_spec8_product21_false-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 ebb332648dfece5874ca2fe6da0ae760568ee4af ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 23:29:46,285 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:29:46,288 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:29:46,306 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:29:46,307 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:29:46,308 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:29:46,310 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:29:46,312 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:29:46,314 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:29:46,315 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:29:46,316 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:29:46,316 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:29:46,317 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:29:46,319 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:29:46,320 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:29:46,321 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:29:46,322 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:29:46,324 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:29:46,326 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:29:46,328 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:29:46,329 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:29:46,331 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:29:46,334 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:29:46,334 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:29:46,334 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:29:46,335 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:29:46,337 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:29:46,338 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:29:46,339 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:29:46,340 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:29:46,340 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:29:46,341 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:29:46,341 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:29:46,342 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:29:46,343 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:29:46,344 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:29:46,345 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:29:46,363 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:29:46,363 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:29:46,364 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:29:46,365 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:29:46,365 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:29:46,365 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:29:46,365 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:29:46,365 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:29:46,366 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:29:46,366 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:29:46,366 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:29:46,366 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:29:46,366 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:29:46,366 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:29:46,368 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:29:46,368 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:29:46,368 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:29:46,368 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:29:46,369 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:29:46,369 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:29:46,369 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:29:46,370 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:29:46,370 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:29:46,370 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:29:46,370 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:29:46,370 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:29:46,371 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:29:46,372 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:29:46,372 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:29:46,372 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:29:46,372 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:29:46,374 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:29:46,374 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 -> ebb332648dfece5874ca2fe6da0ae760568ee4af [2019-01-01 23:29:46,415 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:29:46,431 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:29:46,438 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:29:46,440 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:29:46,440 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:29:46,441 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/email_spec8_product21_false-unreach-call_true-termination.cil.c [2019-01-01 23:29:46,508 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d4958634/95dc85a8057c4148ad10c8047a1e63fd/FLAGbbeafa244 [2019-01-01 23:29:47,155 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:29:47,156 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/email_spec8_product21_false-unreach-call_true-termination.cil.c [2019-01-01 23:29:47,193 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d4958634/95dc85a8057c4148ad10c8047a1e63fd/FLAGbbeafa244 [2019-01-01 23:29:47,342 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d4958634/95dc85a8057c4148ad10c8047a1e63fd [2019-01-01 23:29:47,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:29:47,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:29:47,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:29:47,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:29:47,359 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:29:47,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:29:47" (1/1) ... [2019-01-01 23:29:47,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@230d0e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:29:47, skipping insertion in model container [2019-01-01 23:29:47,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:29:47" (1/1) ... [2019-01-01 23:29:47,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:29:47,469 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:29:48,271 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:29:48,409 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:29:48,586 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:29:48,699 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:29:48,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:29:48 WrapperNode [2019-01-01 23:29:48,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:29:48,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:29:48,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:29:48,701 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:29:48,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:29:48" (1/1) ... [2019-01-01 23:29:48,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:29:48" (1/1) ... [2019-01-01 23:29:48,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:29:48,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:29:48,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:29:48,887 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:29:48,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:29:48" (1/1) ... [2019-01-01 23:29:48,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:29:48" (1/1) ... [2019-01-01 23:29:48,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:29:48" (1/1) ... [2019-01-01 23:29:48,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:29:48" (1/1) ... [2019-01-01 23:29:49,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:29:48" (1/1) ... [2019-01-01 23:29:49,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:29:48" (1/1) ... [2019-01-01 23:29:49,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:29:48" (1/1) ... [2019-01-01 23:29:49,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:29:49,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:29:49,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:29:49,121 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:29:49,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:29:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:29:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-01-01 23:29:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:29:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:29:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:29:49,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:29:54,445 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:29:54,446 INFO L280 CfgBuilder]: Removed 649 assue(true) statements. [2019-01-01 23:29:54,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:29:54 BoogieIcfgContainer [2019-01-01 23:29:54,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:29:54,448 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:29:54,448 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:29:54,458 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:29:54,459 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:29:54,459 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:29:47" (1/3) ... [2019-01-01 23:29:54,461 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e9321ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:29:54, skipping insertion in model container [2019-01-01 23:29:54,462 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:29:54,463 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:29:48" (2/3) ... [2019-01-01 23:29:54,463 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e9321ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:29:54, skipping insertion in model container [2019-01-01 23:29:54,463 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:29:54,463 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:29:54" (3/3) ... [2019-01-01 23:29:54,467 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec8_product21_false-unreach-call_true-termination.cil.c [2019-01-01 23:29:54,528 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:29:54,529 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:29:54,529 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:29:54,529 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:29:54,529 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:29:54,529 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:29:54,529 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:29:54,530 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:29:54,530 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:29:54,572 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 956 states. [2019-01-01 23:29:54,660 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-01-01 23:29:54,661 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:29:54,661 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:29:54,673 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:29:54,673 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:29:54,673 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:29:54,673 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 956 states. [2019-01-01 23:29:54,699 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-01-01 23:29:54,699 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:29:54,700 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:29:54,702 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:29:54,702 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:29:54,711 INFO L794 eck$LassoCheckResult]: Stem: 329#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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(44);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(44);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(9);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(9);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(11);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(19);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string18.base, #t~string18.offset, 1);call write~init~int(100, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(10, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string21.base, #t~string21.offset, 1);call write~init~int(100, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(10, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(10);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(12);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(10);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(18);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(16);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(10);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(34);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(16);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(20);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(21);~head~0.base, ~head~0.offset := 0, 0;call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(30);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(9);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(21);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(30);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(9);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(21);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(30);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(9);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(25);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(30);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(9);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(25);~in_encrypted~0 := 0;call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(17);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(17);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(13);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(17);~__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;~__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;call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string134.base, #t~string134.offset, 1);call write~init~int(115, #t~string134.base, 1 + #t~string134.offset, 1);call write~init~int(10, #t~string134.base, 2 + #t~string134.offset, 1);call write~init~int(0, #t~string134.base, 3 + #t~string134.offset, 1); 254#L-1true havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 785#L2521true havoc valid_product_#res;havoc valid_product_~retValue_acc~31;havoc valid_product_~retValue_acc~31;valid_product_~retValue_acc~31 := 1;valid_product_#res := valid_product_~retValue_acc~31; 494#L2529true main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 59#L224true assume 0 != main_~tmp~1;havoc setup_#t~nondet8, setup_#t~nondet10, setup_#t~nondet12, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 582#L2482true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 351#L2488-2true 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; 253#L2047true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 101#L2053-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string7.base, #t~string7.offset;havoc setup_#t~nondet8;~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; 593#L2482-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 326#L2488-5true 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; 379#L2047-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 119#L2053-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~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; 565#L2482-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 343#L2488-8true 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; 380#L2047-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 94#L2053-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 695#L211true havoc 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_#t~nondet85, 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~14, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~14;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 829#L998-1true [2019-01-01 23:29:54,711 INFO L796 eck$LassoCheckResult]: Loop: 829#L998-1true assume !false; 690#L850true assume test_~splverifierCounter~0 < 4; 530#L851true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 256#L857true assume !(0 == test_~op1~0); 758#L870true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet76;havoc test_#t~nondet76; 557#L875true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 829#L998-1true [2019-01-01 23:29:54,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:29:54,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-01-01 23:29:54,727 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:29:54,728 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:29:54,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:29:54,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:29:54,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:29:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:29:55,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:29:55,127 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:29:55,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:29:55,130 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-01-01 23:29:55,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:29:55,131 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-01-01 23:29:55,131 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:29:55,131 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:29:55,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:29:55,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:29:55,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:29:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:29:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:29:55,297 WARN L181 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-01-01 23:29:55,400 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:29:55,401 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:29:55,402 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:29:55,402 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:29:55,402 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:29:55,403 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:29:55,403 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:29:55,403 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:29:55,403 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec8_product21_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2019-01-01 23:29:55,403 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:29:55,405 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:29:55,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:29:55,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:29:55,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:29:55,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:29:55,890 WARN L181 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-01 23:29:56,175 WARN L181 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-01-01 23:29:56,378 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:29:56,379 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 [2019-01-01 23:29:56,397 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:29:56,397 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:29:56,456 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:29:56,456 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:29:56,476 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 23:29:56,506 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:29:56,506 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:29:56,506 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:29:56,506 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:29:56,507 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:29:56,507 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:29:56,507 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:29:56,507 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:29:56,507 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec8_product21_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2019-01-01 23:29:56,507 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:29:56,508 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:29:56,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:29:56,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:29:56,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:29:56,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:29:57,059 WARN L181 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-01 23:29:57,296 WARN L181 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-01-01 23:29:57,334 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:29:57,339 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:29:57,341 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:29:57,342 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:29:57,342 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:29:57,343 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:29:57,343 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:29:57,343 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:29:57,345 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:29:57,346 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:29:57,351 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 23:29:57,358 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-01 23:29:57,358 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-01 23:29:57,362 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 23:29:57,363 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 23:29:57,364 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 23:29:57,364 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-01-01 23:29:57,366 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 23:29:57,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:29:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:29:57,588 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:29:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:29:57,641 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:29:57,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:29:57,803 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 [2019-01-01 23:29:57,805 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 956 states. Second operand 4 states. [2019-01-01 23:29:58,491 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 956 states.. Second operand 4 states. Result 4410 states and 7572 transitions. Complement of second has 7 states. [2019-01-01 23:29:58,493 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 [2019-01-01 23:29:58,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-01 23:29:58,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4382 transitions. [2019-01-01 23:29:58,506 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4382 transitions. Stem has 18 letters. Loop has 6 letters. [2019-01-01 23:29:58,509 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:29:58,509 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4382 transitions. Stem has 24 letters. Loop has 6 letters. [2019-01-01 23:29:58,510 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:29:58,510 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4382 transitions. Stem has 18 letters. Loop has 12 letters. [2019-01-01 23:29:58,511 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:29:58,512 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4410 states and 7572 transitions. [2019-01-01 23:29:58,569 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 509 [2019-01-01 23:29:58,594 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4410 states to 1051 states and 1924 transitions. [2019-01-01 23:29:58,596 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 540 [2019-01-01 23:29:58,599 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 541 [2019-01-01 23:29:58,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1051 states and 1924 transitions. [2019-01-01 23:29:58,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-01 23:29:58,606 INFO L705 BuchiCegarLoop]: Abstraction has 1051 states and 1924 transitions. [2019-01-01 23:29:58,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states and 1924 transitions. [2019-01-01 23:29:58,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 542. [2019-01-01 23:29:58,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2019-01-01 23:29:58,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 989 transitions. [2019-01-01 23:29:58,706 INFO L728 BuchiCegarLoop]: Abstraction has 542 states and 989 transitions. [2019-01-01 23:29:58,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 23:29:58,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 23:29:58,713 INFO L87 Difference]: Start difference. First operand 542 states and 989 transitions. Second operand 3 states. [2019-01-01 23:29:58,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:29:58,870 INFO L93 Difference]: Finished difference Result 1064 states and 1943 transitions. [2019-01-01 23:29:58,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 23:29:58,872 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1064 states and 1943 transitions. [2019-01-01 23:29:58,882 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 510 [2019-01-01 23:29:58,892 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1064 states to 1064 states and 1943 transitions. [2019-01-01 23:29:58,892 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 552 [2019-01-01 23:29:58,893 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 552 [2019-01-01 23:29:58,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1064 states and 1943 transitions. [2019-01-01 23:29:58,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-01 23:29:58,899 INFO L705 BuchiCegarLoop]: Abstraction has 1064 states and 1943 transitions. [2019-01-01 23:29:58,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states and 1943 transitions. [2019-01-01 23:29:58,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 541. [2019-01-01 23:29:58,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2019-01-01 23:29:58,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 985 transitions. [2019-01-01 23:29:58,915 INFO L728 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-01-01 23:29:58,915 INFO L608 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-01-01 23:29:58,915 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:29:58,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 541 states and 985 transitions. [2019-01-01 23:29:58,919 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-01-01 23:29:58,919 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:29:58,920 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:29:58,921 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] [2019-01-01 23:29:58,921 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:29:58,921 INFO L794 eck$LassoCheckResult]: Stem: 7366#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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(44);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(44);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(9);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(9);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(11);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(19);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string18.base, #t~string18.offset, 1);call write~init~int(100, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(10, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string21.base, #t~string21.offset, 1);call write~init~int(100, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(10, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(10);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(12);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(10);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(18);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(16);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(10);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(34);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(16);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(20);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(21);~head~0.base, ~head~0.offset := 0, 0;call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(30);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(9);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(21);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(30);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(9);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(21);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(30);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(9);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(25);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(30);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(9);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(25);~in_encrypted~0 := 0;call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(17);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(17);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(13);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(17);~__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;~__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;call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string134.base, #t~string134.offset, 1);call write~init~int(115, #t~string134.base, 1 + #t~string134.offset, 1);call write~init~int(10, #t~string134.base, 2 + #t~string134.offset, 1);call write~init~int(0, #t~string134.base, 3 + #t~string134.offset, 1); 7074#L-1 havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 7075#L2521 havoc valid_product_#res;havoc valid_product_~retValue_acc~31;havoc valid_product_~retValue_acc~31;valid_product_~retValue_acc~31 := 1;valid_product_#res := valid_product_~retValue_acc~31; 7403#L2529 main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 7198#L224 assume 0 != main_~tmp~1;havoc setup_#t~nondet8, setup_#t~nondet10, setup_#t~nondet12, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 7199#L2482 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7415#L2488-2 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; 7071#L2047 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7072#L2053-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string7.base, #t~string7.offset;havoc setup_#t~nondet8;~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; 7402#L2482-2 assume !(1 == setClientId_~handle); 7502#L2485-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 7358#L2488-5 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; 7359#L2047-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7407#L2053-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~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; 7450#L2482-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7374#L2488-8 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; 7399#L2047-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7375#L2053-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 7376#L211 havoc 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_#t~nondet85, 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~14, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~14;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 7611#L998-1 assume !false; 7529#L850 [2019-01-01 23:29:58,929 INFO L796 eck$LassoCheckResult]: Loop: 7529#L850 assume test_~splverifierCounter~0 < 4; 7224#L851 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 7182#L857 assume !(0 == test_~op1~0); 7184#L870 assume !(0 == test_~op2~0); 7274#L881 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet77;havoc test_#t~nondet77; 7276#L886 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; 7430#L2047-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7378#L2053-11 test_~op3~0 := 1; 7192#L998-1 assume !false; 7529#L850 [2019-01-01 23:29:58,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:29:58,929 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-01-01 23:29:58,929 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:29:58,929 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:29:58,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:29:58,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:29:58,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:29:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:29:59,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:29:59,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:29:59,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 23:29:59,215 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-01-01 23:29:59,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:29:59,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-01-01 23:29:59,215 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:29:59,215 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:29:59,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:29:59,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:29:59,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:29:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:29:59,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:29:59,366 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:29:59,366 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:29:59,366 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:29:59,367 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:29:59,367 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:29:59,367 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:29:59,367 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:29:59,367 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:29:59,368 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec8_product21_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2019-01-01 23:29:59,368 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:29:59,368 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:29:59,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:29:59,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:29:59,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:29:59,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:29:59,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:29:59,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:29:59,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:29:59,607 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:29:59,608 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:29:59,612 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:29:59,612 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 [2019-01-01 23:29:59,637 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:29:59,637 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:29:59,681 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 23:29:59,687 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:29:59,687 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:29:59,687 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:29:59,687 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:29:59,687 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:29:59,688 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:29:59,688 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:29:59,688 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:29:59,688 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec8_product21_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2019-01-01 23:29:59,688 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:29:59,688 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:29:59,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:29:59,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:29:59,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:29:59,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:29:59,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:29:59,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:29:59,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:30:00,258 WARN L181 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-01-01 23:30:00,562 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:30:00,562 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:30:00,562 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:30:00,563 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:30:00,563 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:30:00,566 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:30:00,566 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:30:00,566 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:30:00,568 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:30:00,568 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:30:00,572 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 23:30:00,574 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-01 23:30:00,574 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-01 23:30:00,575 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 23:30:00,576 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 23:30:00,576 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 23:30:00,576 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-01-01 23:30:00,576 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 23:30:00,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:30:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:30:00,864 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:30:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:30:00,909 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:30:01,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:30:01,264 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-01-01 23:30:01,264 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446 Second operand 4 states. [2019-01-01 23:30:01,330 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446. Second operand 4 states. Result 1055 states and 1929 transitions. Complement of second has 6 states. [2019-01-01 23:30:01,331 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 [2019-01-01 23:30:01,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-01 23:30:01,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2019-01-01 23:30:01,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 9 letters. [2019-01-01 23:30:01,333 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:30:01,333 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 29 letters. Loop has 9 letters. [2019-01-01 23:30:01,333 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:30:01,333 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 18 letters. [2019-01-01 23:30:01,334 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:30:01,334 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1055 states and 1929 transitions. [2019-01-01 23:30:01,345 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:30:01,346 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1055 states to 0 states and 0 transitions. [2019-01-01 23:30:01,346 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 23:30:01,346 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 23:30:01,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 23:30:01,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:30:01,346 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:30:01,346 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:30:01,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 23:30:01,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 23:30:01,349 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-01-01 23:30:01,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:30:01,349 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-01-01 23:30:01,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-01 23:30:01,351 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-01-01 23:30:01,351 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:30:01,352 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-01-01 23:30:01,352 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 23:30:01,352 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 23:30:01,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 23:30:01,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:30:01,353 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:30:01,353 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:30:01,353 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:30:01,353 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-01 23:30:01,353 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-01 23:30:01,353 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:30:01,353 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-01 23:30:01,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:30:01 BoogieIcfgContainer [2019-01-01 23:30:01,364 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:30:01,364 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:30:01,364 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:30:01,365 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:30:01,365 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:29:54" (3/4) ... [2019-01-01 23:30:01,371 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 23:30:01,371 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:30:01,372 INFO L168 Benchmark]: Toolchain (without parser) took 14022.00 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 315.1 MB). Free memory was 947.3 MB in the beginning and 1.2 GB in the end (delta: -287.1 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2019-01-01 23:30:01,374 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:30:01,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1346.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 50.9 MB. Max. memory is 11.5 GB. [2019-01-01 23:30:01,376 INFO L168 Benchmark]: Boogie Procedure Inliner took 186.62 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: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-01-01 23:30:01,377 INFO L168 Benchmark]: Boogie Preprocessor took 233.42 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-01-01 23:30:01,378 INFO L168 Benchmark]: RCFGBuilder took 5326.11 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 102.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -77.4 MB). Peak memory consumption was 282.6 MB. Max. memory is 11.5 GB. [2019-01-01 23:30:01,380 INFO L168 Benchmark]: BuchiAutomizer took 6916.18 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 77.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -107.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:30:01,381 INFO L168 Benchmark]: Witness Printer took 6.89 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2019-01-01 23:30:01,388 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 1346.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 50.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 186.62 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: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 233.42 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5326.11 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 102.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -77.4 MB). Peak memory consumption was 282.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6916.18 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 77.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -107.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 6.89 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.3s. Construction of modules took 0.2s. Büchi inclusion checks took 1.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1032 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 541 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4741 SDtfs, 4240 SDslu, 6191 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s 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: 23ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 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...