./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/email_spec0_product11_true-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/email_spec0_product11_true-unreach-call_true-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8636c856cee4a943114b47de6348e0f03ee97db1 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 04:07:04,508 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:07:04,512 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:07:04,529 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:07:04,530 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:07:04,532 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:07:04,534 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:07:04,536 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:07:04,540 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:07:04,546 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:07:04,547 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:07:04,547 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:07:04,548 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:07:04,549 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:07:04,550 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:07:04,551 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:07:04,552 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:07:04,554 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:07:04,556 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:07:04,558 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:07:04,559 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:07:04,561 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:07:04,563 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:07:04,563 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:07:04,563 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:07:04,564 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:07:04,566 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:07:04,566 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:07:04,567 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:07:04,569 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:07:04,569 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:07:04,570 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:07:04,570 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:07:04,570 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:07:04,571 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:07:04,572 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:07:04,572 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:07:04,590 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:07:04,590 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:07:04,591 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:07:04,591 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:07:04,591 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:07:04,592 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:07:04,592 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:07:04,593 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:07:04,593 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:07:04,593 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:07:04,593 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:07:04,593 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:07:04,593 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:07:04,594 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:07:04,595 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:07:04,595 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:07:04,595 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:07:04,595 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:07:04,595 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:07:04,595 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:07:04,596 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:07:04,597 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:07:04,597 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:07:04,597 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:07:04,597 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:07:04,597 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:07:04,597 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:07:04,598 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:07:04,598 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:07:04,598 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:07:04,598 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:07:04,600 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:07:04,600 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 -> 8636c856cee4a943114b47de6348e0f03ee97db1 [2019-01-14 04:07:04,652 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:07:04,668 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:07:04,673 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:07:04,675 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:07:04,676 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:07:04,677 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/email_spec0_product11_true-unreach-call_true-termination.cil.c [2019-01-14 04:07:04,740 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd9787aae/a824dc1e7c8242e2a9d03a307d0e9e3c/FLAG035e8bb20 [2019-01-14 04:07:05,332 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:07:05,333 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/email_spec0_product11_true-unreach-call_true-termination.cil.c [2019-01-14 04:07:05,359 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd9787aae/a824dc1e7c8242e2a9d03a307d0e9e3c/FLAG035e8bb20 [2019-01-14 04:07:05,531 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd9787aae/a824dc1e7c8242e2a9d03a307d0e9e3c [2019-01-14 04:07:05,537 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:07:05,539 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:07:05,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:07:05,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:07:05,547 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:07:05,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:07:05" (1/1) ... [2019-01-14 04:07:05,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12b98fde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:07:05, skipping insertion in model container [2019-01-14 04:07:05,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:07:05" (1/1) ... [2019-01-14 04:07:05,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:07:05,654 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:07:06,400 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:07:06,514 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:07:06,657 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:07:06,739 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:07:06,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:07:06 WrapperNode [2019-01-14 04:07:06,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:07:06,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:07:06,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:07:06,741 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:07:06,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:07:06" (1/1) ... [2019-01-14 04:07:06,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:07:06" (1/1) ... [2019-01-14 04:07:06,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:07:06,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:07:06,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:07:06,872 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:07:06,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:07:06" (1/1) ... [2019-01-14 04:07:06,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:07:06" (1/1) ... [2019-01-14 04:07:06,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:07:06" (1/1) ... [2019-01-14 04:07:06,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:07:06" (1/1) ... [2019-01-14 04:07:06,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:07:06" (1/1) ... [2019-01-14 04:07:06,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:07:06" (1/1) ... [2019-01-14 04:07:06,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:07:06" (1/1) ... [2019-01-14 04:07:07,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:07:07,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:07:07,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:07:07,009 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:07:07,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:07:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:07:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-01-14 04:07:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:07:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:07:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:07:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:07:10,277 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:07:10,278 INFO L286 CfgBuilder]: Removed 219 assue(true) statements. [2019-01-14 04:07:10,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:07:10 BoogieIcfgContainer [2019-01-14 04:07:10,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:07:10,280 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:07:10,280 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:07:10,284 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:07:10,285 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:07:10,286 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:07:05" (1/3) ... [2019-01-14 04:07:10,287 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@723c0d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:07:10, skipping insertion in model container [2019-01-14 04:07:10,287 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:07:10,287 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:07:06" (2/3) ... [2019-01-14 04:07:10,288 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@723c0d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:07:10, skipping insertion in model container [2019-01-14 04:07:10,288 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:07:10,288 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:07:10" (3/3) ... [2019-01-14 04:07:10,290 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec0_product11_true-unreach-call_true-termination.cil.c [2019-01-14 04:07:10,350 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:07:10,351 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:07:10,351 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:07:10,351 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:07:10,351 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:07:10,351 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:07:10,351 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:07:10,352 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:07:10,352 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:07:10,376 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 327 states. [2019-01-14 04:07:10,423 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2019-01-14 04:07:10,423 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:07:10,423 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:07:10,435 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:07:10,435 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:07:10,435 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:07:10,435 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 327 states. [2019-01-14 04:07:10,452 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2019-01-14 04:07:10,453 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:07:10,453 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:07:10,456 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:07:10,457 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:07:10,465 INFO L794 eck$LassoCheckResult]: Stem: 95#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[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;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(10);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(10);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(18);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(44);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(44);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(11);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(19);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string32.base, #t~string32.offset, 1);call write~init~int(100, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(10, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 3 + #t~string32.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string35.base, #t~string35.offset, 1);call write~init~int(100, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(10, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 3 + #t~string35.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(16);~head~0.base, ~head~0.offset := 0, 0;call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(21);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(30);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(25);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(10);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(16);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(20);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(21);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string106.base, #t~string106.offset, 1);call write~init~int(115, #t~string106.base, 1 + #t~string106.offset, 1);call write~init~int(10, #t~string106.base, 2 + #t~string106.offset, 1);call write~init~int(0, #t~string106.base, 3 + #t~string106.offset, 1); 8#L-1true havoc main_#res;havoc main_#t~nondet26, main_#t~ret27, main_~retValue_acc~16, main_~tmp~2;main_~retValue_acc~16 := main_#t~nondet26;havoc main_#t~nondet26;havoc main_~tmp~2; 276#L487true havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; 116#L495true main_#t~ret27 := valid_product_#res;main_~tmp~2 := main_#t~ret27;havoc main_#t~ret27; 171#L733true assume 0 != main_~tmp~2;havoc setup_#t~nondet21, setup_#t~nondet23, setup_#t~nondet25, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.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_tmp3~2.base, setup_~__cil_tmp3~2.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; 101#L2714true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 217#L2720-2true 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; 96#L2279true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 70#L2285-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string20.base, #t~string20.offset;havoc setup_#t~nondet21;~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; 89#L2714-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 229#L2720-5true 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; 103#L2279-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 226#L2285-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string22.base, #t~string22.offset;havoc setup_#t~nondet23;~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; 90#L2714-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 195#L2720-8true 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; 85#L2279-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 234#L2285-8true setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string24.base, #t~string24.offset;havoc setup_#t~nondet25; 11#L720true havoc test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, test_#t~nondet84, test_#t~nondet85, test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_#t~nondet90, 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~8, test_~tmp___0~3, test_~tmp___1~2, test_~tmp___2~1, 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~8;havoc test_~tmp___0~3;havoc test_~tmp___1~2;havoc test_~tmp___2~1;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; 156#L1438-1true [2019-01-14 04:07:10,466 INFO L796 eck$LassoCheckResult]: Loop: 156#L1438-1true assume !false; 121#L1293true assume test_~splverifierCounter~0 < 4; 62#L1294true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 164#L1300true assume !(0 == test_~op1~0); 270#L1313true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet81;havoc test_#t~nondet81; 290#L1318true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 156#L1438-1true [2019-01-14 04:07:10,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:07:10,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-01-14 04:07:10,480 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:07:10,481 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:07:10,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:07:10,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:07:10,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:07:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:07:10,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:07:10,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:07:10,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 04:07:10,855 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-01-14 04:07:10,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:07:10,856 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-01-14 04:07:10,856 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:07:10,856 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:07:10,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:07:10,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:07:10,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:07:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:07:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:07:11,060 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 04:07:11,062 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 04:07:11,062 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 04:07:11,062 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 04:07:11,062 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 04:07:11,062 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:07:11,063 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 04:07:11,064 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 04:07:11,064 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product11_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2019-01-14 04:07:11,064 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 04:07:11,064 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 04:07:11,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:07:11,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:07:11,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:07:11,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:07:11,330 WARN L181 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-14 04:07:11,603 WARN L181 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-01-14 04:07:11,829 WARN L181 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-14 04:07:11,917 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 04:07:11,917 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 [2019-01-14 04:07:11,927 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:07:11,927 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 [2019-01-14 04:07:11,959 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 04:07:11,959 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:07:11,966 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-14 04:07:11,984 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 04:07:11,984 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 04:07:11,984 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 04:07:11,984 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 04:07:11,984 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 04:07:11,985 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:07:11,985 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 04:07:11,985 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 04:07:11,985 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product11_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2019-01-14 04:07:11,985 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 04:07:11,985 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 04:07:11,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:07:12,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:07:12,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:07:12,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:07:12,475 WARN L181 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-14 04:07:12,744 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 04:07:12,750 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 04:07:12,752 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:07:12,753 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:07:12,753 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:07:12,754 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:07:12,754 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:07:12,754 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:07:12,757 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:07:12,757 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:07:12,762 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 04:07:12,767 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-14 04:07:12,768 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-14 04:07:12,770 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 04:07:12,770 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-14 04:07:12,771 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 04:07:12,771 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-01-14 04:07:12,773 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-14 04:07:12,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:07:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:07:13,076 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 04:07:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:07:13,119 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 04:07:13,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:07:13,225 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 [2019-01-14 04:07:13,226 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 327 states. Second operand 4 states. [2019-01-14 04:07:13,579 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 327 states.. Second operand 4 states. Result 1308 states and 2262 transitions. Complement of second has 7 states. [2019-01-14 04:07:13,580 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 [2019-01-14 04:07:13,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-14 04:07:13,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1224 transitions. [2019-01-14 04:07:13,588 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1224 transitions. Stem has 18 letters. Loop has 6 letters. [2019-01-14 04:07:13,590 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:07:13,590 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1224 transitions. Stem has 24 letters. Loop has 6 letters. [2019-01-14 04:07:13,590 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:07:13,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1224 transitions. Stem has 18 letters. Loop has 12 letters. [2019-01-14 04:07:13,591 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:07:13,592 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1308 states and 2262 transitions. [2019-01-14 04:07:13,611 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2019-01-14 04:07:13,630 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1308 states to 879 states and 1596 transitions. [2019-01-14 04:07:13,632 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 454 [2019-01-14 04:07:13,635 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 455 [2019-01-14 04:07:13,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 879 states and 1596 transitions. [2019-01-14 04:07:13,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-14 04:07:13,636 INFO L706 BuchiCegarLoop]: Abstraction has 879 states and 1596 transitions. [2019-01-14 04:07:13,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states and 1596 transitions. [2019-01-14 04:07:13,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 456. [2019-01-14 04:07:13,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2019-01-14 04:07:13,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 825 transitions. [2019-01-14 04:07:13,710 INFO L729 BuchiCegarLoop]: Abstraction has 456 states and 825 transitions. [2019-01-14 04:07:13,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 04:07:13,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 04:07:13,716 INFO L87 Difference]: Start difference. First operand 456 states and 825 transitions. Second operand 3 states. [2019-01-14 04:07:13,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:07:13,882 INFO L93 Difference]: Finished difference Result 892 states and 1615 transitions. [2019-01-14 04:07:13,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 04:07:13,886 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 892 states and 1615 transitions. [2019-01-14 04:07:13,895 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 424 [2019-01-14 04:07:13,904 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 892 states to 892 states and 1615 transitions. [2019-01-14 04:07:13,904 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 466 [2019-01-14 04:07:13,906 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 466 [2019-01-14 04:07:13,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 892 states and 1615 transitions. [2019-01-14 04:07:13,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-14 04:07:13,908 INFO L706 BuchiCegarLoop]: Abstraction has 892 states and 1615 transitions. [2019-01-14 04:07:13,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states and 1615 transitions. [2019-01-14 04:07:13,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 455. [2019-01-14 04:07:13,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2019-01-14 04:07:13,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 821 transitions. [2019-01-14 04:07:13,940 INFO L729 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2019-01-14 04:07:13,941 INFO L609 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2019-01-14 04:07:13,942 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:07:13,942 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 455 states and 821 transitions. [2019-01-14 04:07:13,945 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2019-01-14 04:07:13,946 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:07:13,946 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:07:13,948 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:07:13,948 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:07:13,948 INFO L794 eck$LassoCheckResult]: Stem: 3276#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[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;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(10);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(10);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(18);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(44);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(44);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(11);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(19);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string32.base, #t~string32.offset, 1);call write~init~int(100, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(10, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 3 + #t~string32.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string35.base, #t~string35.offset, 1);call write~init~int(100, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(10, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 3 + #t~string35.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(16);~head~0.base, ~head~0.offset := 0, 0;call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(21);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(30);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(25);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(10);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(16);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(20);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(21);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string106.base, #t~string106.offset, 1);call write~init~int(115, #t~string106.base, 1 + #t~string106.offset, 1);call write~init~int(10, #t~string106.base, 2 + #t~string106.offset, 1);call write~init~int(0, #t~string106.base, 3 + #t~string106.offset, 1); 3082#L-1 havoc main_#res;havoc main_#t~nondet26, main_#t~ret27, main_~retValue_acc~16, main_~tmp~2;main_~retValue_acc~16 := main_#t~nondet26;havoc main_#t~nondet26;havoc main_~tmp~2; 3083#L487 havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; 3301#L495 main_#t~ret27 := valid_product_#res;main_~tmp~2 := main_#t~ret27;havoc main_#t~ret27; 3302#L733 assume 0 != main_~tmp~2;havoc setup_#t~nondet21, setup_#t~nondet23, setup_#t~nondet25, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.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_tmp3~2.base, setup_~__cil_tmp3~2.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; 3279#L2714 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3232#L2720-2 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; 3277#L2279 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3225#L2285-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string20.base, #t~string20.offset;havoc setup_#t~nondet21;~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; 3228#L2714-2 assume !(1 == setClientId_~handle); 3262#L2717-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 3464#L2720-5 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; 3281#L2279-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3230#L2285-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string22.base, #t~string22.offset;havoc setup_#t~nondet23;~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; 3263#L2714-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3264#L2720-8 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; 3253#L2279-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3254#L2285-8 setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string24.base, #t~string24.offset;havoc setup_#t~nondet25; 3084#L720 havoc test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, test_#t~nondet84, test_#t~nondet85, test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_#t~nondet90, 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~8, test_~tmp___0~3, test_~tmp___1~2, test_~tmp___2~1, 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~8;havoc test_~tmp___0~3;havoc test_~tmp___1~2;havoc test_~tmp___2~1;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; 3085#L1438-1 assume !false; 3313#L1293 [2019-01-14 04:07:13,948 INFO L796 eck$LassoCheckResult]: Loop: 3313#L1293 assume test_~splverifierCounter~0 < 4; 3210#L1294 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 3211#L1300 assume !(0 == test_~op1~0); 3319#L1313 assume !(0 == test_~op2~0); 3504#L1324 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet82;havoc test_#t~nondet82; 3510#L1329 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; 3266#L2279-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3267#L2285-11 test_~op3~0 := 1; 3197#L1438-1 assume !false; 3313#L1293 [2019-01-14 04:07:13,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:07:13,949 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-01-14 04:07:13,949 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:07:13,949 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:07:13,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:07:13,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:07:13,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:07:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:07:14,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:07:14,131 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:07:14,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 04:07:14,132 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-01-14 04:07:14,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:07:14,132 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-01-14 04:07:14,132 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:07:14,133 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:07:14,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:07:14,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:07:14,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:07:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:07:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:07:14,272 WARN L181 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2019-01-14 04:07:14,344 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 04:07:14,344 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 04:07:14,345 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 04:07:14,345 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 04:07:14,345 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 04:07:14,345 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:07:14,345 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 04:07:14,346 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 04:07:14,346 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product11_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2019-01-14 04:07:14,346 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 04:07:14,346 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 04:07:14,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:07:14,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:07:14,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:07:14,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:07:14,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:07:14,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:07:14,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:07:14,586 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 04:07:14,586 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 [2019-01-14 04:07:14,589 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:07:14,589 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:07:14,601 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:07:14,602 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Honda state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:07:14,632 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:07:14,632 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:07:14,660 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 04:07:14,661 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:07:14,709 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-14 04:07:14,713 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 04:07:14,713 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 04:07:14,713 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 04:07:14,713 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 04:07:14,713 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 04:07:14,713 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:07:14,713 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 04:07:14,714 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 04:07:14,714 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product11_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2019-01-14 04:07:14,714 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 04:07:14,714 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 04:07:14,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:07:14,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:07:14,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:07:14,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:07:14,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:07:14,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:07:14,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:07:15,108 WARN L181 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-01-14 04:07:15,234 WARN L181 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-14 04:07:15,332 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 04:07:15,332 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 04:07:15,332 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:07:15,333 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:07:15,333 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:07:15,333 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:07:15,334 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:07:15,334 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:07:15,334 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:07:15,334 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:07:15,340 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 04:07:15,343 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-14 04:07:15,343 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-14 04:07:15,344 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 04:07:15,344 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-14 04:07:15,344 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 04:07:15,344 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-01-14 04:07:15,345 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-14 04:07:15,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:07:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:07:15,660 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 04:07:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:07:15,711 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 04:07:16,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:07:16,060 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-01-14 04:07:16,060 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368 Second operand 4 states. [2019-01-14 04:07:16,156 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368. Second operand 4 states. Result 883 states and 1601 transitions. Complement of second has 6 states. [2019-01-14 04:07:16,157 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 [2019-01-14 04:07:16,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-14 04:07:16,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2019-01-14 04:07:16,159 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 9 letters. [2019-01-14 04:07:16,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:07:16,162 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 29 letters. Loop has 9 letters. [2019-01-14 04:07:16,162 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:07:16,162 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 18 letters. [2019-01-14 04:07:16,163 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:07:16,163 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 883 states and 1601 transitions. [2019-01-14 04:07:16,177 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 04:07:16,178 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 883 states to 0 states and 0 transitions. [2019-01-14 04:07:16,178 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 04:07:16,178 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 04:07:16,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 04:07:16,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:07:16,178 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:07:16,178 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:07:16,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 04:07:16,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 04:07:16,181 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-01-14 04:07:16,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:07:16,182 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-01-14 04:07:16,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-14 04:07:16,184 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-01-14 04:07:16,184 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 04:07:16,185 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-01-14 04:07:16,185 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 04:07:16,185 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 04:07:16,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 04:07:16,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:07:16,185 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:07:16,186 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:07:16,190 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:07:16,190 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-14 04:07:16,190 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-14 04:07:16,190 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 04:07:16,190 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-14 04:07:16,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:07:16 BoogieIcfgContainer [2019-01-14 04:07:16,201 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:07:16,202 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:07:16,202 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:07:16,202 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:07:16,203 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:07:10" (3/4) ... [2019-01-14 04:07:16,210 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 04:07:16,210 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:07:16,211 INFO L168 Benchmark]: Toolchain (without parser) took 10673.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 209.7 MB). Free memory was 947.3 MB in the beginning and 991.3 MB in the end (delta: -43.9 MB). Peak memory consumption was 165.8 MB. Max. memory is 11.5 GB. [2019-01-14 04:07:16,216 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:07:16,216 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1199.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -145.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. [2019-01-14 04:07:16,218 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.62 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-14 04:07:16,225 INFO L168 Benchmark]: Boogie Preprocessor took 136.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-14 04:07:16,226 INFO L168 Benchmark]: RCFGBuilder took 3271.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 924.5 MB in the end (delta: 154.5 MB). Peak memory consumption was 154.5 MB. Max. memory is 11.5 GB. [2019-01-14 04:07:16,230 INFO L168 Benchmark]: BuchiAutomizer took 5920.90 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 83.4 MB). Free memory was 924.5 MB in the beginning and 991.3 MB in the end (delta: -66.8 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2019-01-14 04:07:16,232 INFO L168 Benchmark]: Witness Printer took 8.62 ms. Allocated memory is still 1.2 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:07:16,242 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1199.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -145.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 131.62 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 136.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3271.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 924.5 MB in the end (delta: 154.5 MB). Peak memory consumption was 154.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5920.90 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 83.4 MB). Free memory was 924.5 MB in the beginning and 991.3 MB in the end (delta: -66.8 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. * Witness Printer took 8.62 ms. Allocated memory is still 1.2 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. Construction of modules took 0.2s. Büchi inclusion checks took 1.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 860 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 455 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2343 SDtfs, 1924 SDslu, 2717 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: 19ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...