./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/email_spec3_product13_false-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/email_spec3_product13_false-unreach-call_true-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3bcd84592fc96482a56f9888f6606107f7adb508 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:51:21,434 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:51:21,436 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:51:21,452 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:51:21,453 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:51:21,455 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:51:21,457 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:51:21,461 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:51:21,463 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:51:21,466 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:51:21,467 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:51:21,467 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:51:21,470 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:51:21,472 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:51:21,475 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:51:21,476 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:51:21,477 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:51:21,479 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:51:21,481 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:51:21,482 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:51:21,483 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:51:21,485 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:51:21,487 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:51:21,487 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:51:21,488 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:51:21,489 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:51:21,490 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:51:21,490 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:51:21,491 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:51:21,492 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:51:21,492 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:51:21,493 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:51:21,493 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:51:21,494 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:51:21,495 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:51:21,495 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:51:21,495 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:51:21,514 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:51:21,515 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:51:21,516 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:51:21,518 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:51:21,518 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:51:21,519 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:51:21,519 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:51:21,520 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:51:21,520 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:51:21,521 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:51:21,521 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:51:21,521 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:51:21,521 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:51:21,521 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:51:21,521 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:51:21,522 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:51:21,523 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:51:21,523 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:51:21,523 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:51:21,523 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:51:21,523 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:51:21,523 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:51:21,527 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:51:21,527 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:51:21,527 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:51:21,527 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:51:21,528 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:51:21,528 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:51:21,528 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:51:21,529 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:51:21,530 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:51:21,531 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:51:21,534 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 -> 3bcd84592fc96482a56f9888f6606107f7adb508 [2018-11-28 23:51:21,609 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:51:21,628 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:51:21,636 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:51:21,638 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:51:21,640 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:51:21,641 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/email_spec3_product13_false-unreach-call_true-termination.cil.c [2018-11-28 23:51:21,718 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eedbac996/b20b1b71341f444c8eb77f2093f240d2/FLAG4d65463ed [2018-11-28 23:51:22,379 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:51:22,380 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/email_spec3_product13_false-unreach-call_true-termination.cil.c [2018-11-28 23:51:22,404 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eedbac996/b20b1b71341f444c8eb77f2093f240d2/FLAG4d65463ed [2018-11-28 23:51:22,552 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eedbac996/b20b1b71341f444c8eb77f2093f240d2 [2018-11-28 23:51:22,556 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:51:22,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:51:22,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:51:22,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:51:22,563 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:51:22,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:51:22" (1/1) ... [2018-11-28 23:51:22,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c9ac3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:22, skipping insertion in model container [2018-11-28 23:51:22,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:51:22" (1/1) ... [2018-11-28 23:51:22,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:51:22,673 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:51:23,338 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:51:23,370 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:51:23,622 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:51:23,704 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:51:23,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:23 WrapperNode [2018-11-28 23:51:23,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:51:23,705 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:51:23,706 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:51:23,706 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:51:23,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:23" (1/1) ... [2018-11-28 23:51:23,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:23" (1/1) ... [2018-11-28 23:51:23,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:51:23,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:51:23,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:51:23,838 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:51:23,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:23" (1/1) ... [2018-11-28 23:51:23,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:23" (1/1) ... [2018-11-28 23:51:23,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:23" (1/1) ... [2018-11-28 23:51:23,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:23" (1/1) ... [2018-11-28 23:51:23,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:23" (1/1) ... [2018-11-28 23:51:23,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:23" (1/1) ... [2018-11-28 23:51:23,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:23" (1/1) ... [2018-11-28 23:51:23,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:51:23,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:51:23,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:51:23,944 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:51:23,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:51:24,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:51:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-28 23:51:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 23:51:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:51:24,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:51:27,823 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:51:27,823 INFO L280 CfgBuilder]: Removed 255 assue(true) statements. [2018-11-28 23:51:27,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:51:27 BoogieIcfgContainer [2018-11-28 23:51:27,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:51:27,825 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:51:27,825 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:51:27,829 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:51:27,830 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:51:27,831 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:51:22" (1/3) ... [2018-11-28 23:51:27,832 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b741e89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:51:27, skipping insertion in model container [2018-11-28 23:51:27,832 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:51:27,832 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:23" (2/3) ... [2018-11-28 23:51:27,833 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b741e89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:51:27, skipping insertion in model container [2018-11-28 23:51:27,833 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:51:27,833 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:51:27" (3/3) ... [2018-11-28 23:51:27,835 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec3_product13_false-unreach-call_true-termination.cil.c [2018-11-28 23:51:27,897 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:51:27,898 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:51:27,898 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:51:27,898 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:51:27,899 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:51:27,899 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:51:27,899 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:51:27,899 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:51:27,899 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:51:27,930 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 417 states. [2018-11-28 23:51:27,985 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2018-11-28 23:51:27,986 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:51:27,987 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:51:27,997 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:51:27,997 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:51:27,997 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:51:27,998 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 417 states. [2018-11-28 23:51:28,012 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2018-11-28 23:51:28,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:51:28,013 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:51:28,015 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:51:28,015 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:51:28,026 INFO L794 eck$LassoCheckResult]: Stem: 298#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~sent_signed~0 := -1;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(16);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(15);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(16);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string25.base, #t~string25.offset := #Ultimate.alloc(44);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(44);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(11);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(19);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string43.base, #t~string43.offset, 1);call write~init~int(100, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(10, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 3 + #t~string43.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string46.base, #t~string46.offset, 1);call write~init~int(100, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(10, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string53.base, #t~string53.offset := #Ultimate.alloc(10);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(16);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(20);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(10);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(12);call #t~string77.base, #t~string77.offset := #Ultimate.alloc(10);call #t~string80.base, #t~string80.offset := #Ultimate.alloc(18);call #t~string83.base, #t~string83.offset := #Ultimate.alloc(13);call #t~string86.base, #t~string86.offset := #Ultimate.alloc(16);call #t~string89.base, #t~string89.offset := #Ultimate.alloc(25);~head~0.base, ~head~0.offset := 0, 0;call #t~string109.base, #t~string109.offset := #Ultimate.alloc(30);call #t~string110.base, #t~string110.offset := #Ultimate.alloc(9);call #t~string111.base, #t~string111.offset := #Ultimate.alloc(21);call #t~string112.base, #t~string112.offset := #Ultimate.alloc(30);call #t~string113.base, #t~string113.offset := #Ultimate.alloc(9);call #t~string114.base, #t~string114.offset := #Ultimate.alloc(21);call #t~string118.base, #t~string118.offset := #Ultimate.alloc(30);call #t~string119.base, #t~string119.offset := #Ultimate.alloc(9);call #t~string120.base, #t~string120.offset := #Ultimate.alloc(25);call #t~string121.base, #t~string121.offset := #Ultimate.alloc(30);call #t~string122.base, #t~string122.offset := #Ultimate.alloc(9);call #t~string123.base, #t~string123.offset := #Ultimate.alloc(25);~__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~string128.base, #t~string128.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string128.base, #t~string128.offset, 1);call write~init~int(115, #t~string128.base, 1 + #t~string128.offset, 1);call write~init~int(10, #t~string128.base, 2 + #t~string128.offset, 1);call write~init~int(0, #t~string128.base, 3 + #t~string128.offset, 1); 223#L-1true havoc main_#res;havoc main_#t~ret38, main_~retValue_acc~2, main_~tmp~3;havoc main_~retValue_acc~2;havoc main_~tmp~3; 282#L75true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 365#L83true main_#t~ret38 := valid_product_#res;main_~tmp~3 := main_#t~ret38;havoc main_#t~ret38; 154#L529true assume 0 != main_~tmp~3;havoc setup_#t~nondet33, setup_#t~nondet35, setup_#t~nondet37, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 355#L2836true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 132#L2842-2true 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; 149#L2401true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 347#L2407-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string32.base, #t~string32.offset;havoc setup_#t~nondet33;~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; 356#L2836-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 137#L2842-5true 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; 150#L2401-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 328#L2407-5true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string34.base, #t~string34.offset;havoc setup_#t~nondet35;~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; 359#L2836-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 111#L2842-8true 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; 145#L2401-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 333#L2407-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string36.base, #t~string36.offset;havoc setup_#t~nondet37; 235#L516true havoc test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, 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~1, test_~tmp___0~1, test_~tmp___1~1, 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~1;havoc test_~tmp___0~1;havoc test_~tmp___1~1;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; 171#L344-1true [2018-11-28 23:51:28,026 INFO L796 eck$LassoCheckResult]: Loop: 171#L344-1true assume !false; 25#L202true assume test_~splverifierCounter~0 < 4; 78#L203true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 294#L209true assume !(0 == test_~op1~0); 205#L222true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet15;havoc test_#t~nondet15; 343#L227true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 171#L344-1true [2018-11-28 23:51:28,038 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:51:28,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2018-11-28 23:51:28,041 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:51:28,042 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:51:28,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:51:28,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:51:28,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:51:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:51:28,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:51:28,433 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:51:28,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:51:28,439 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 23:51:28,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:51:28,440 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2018-11-28 23:51:28,440 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:51:28,440 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:51:28,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:51:28,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:51:28,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:51:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:51:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:51:28,709 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-28 23:51:28,863 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-28 23:51:28,874 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:51:28,876 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:51:28,876 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:51:28,876 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:51:28,877 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:51:28,877 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:51:28,877 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:51:28,877 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:51:28,877 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec3_product13_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 23:51:28,877 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:51:28,879 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:51:28,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:28,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:29,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:29,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:29,169 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-11-28 23:51:29,391 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:51:29,393 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:51:29,407 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:51:29,408 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:51:29,453 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:51:29,453 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:51:29,462 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:51:29,480 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:51:29,480 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:51:29,480 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:51:29,480 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:51:29,481 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:51:29,481 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:51:29,481 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:51:29,481 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:51:29,481 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec3_product13_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 23:51:29,481 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:51:29,481 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:51:29,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:29,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:29,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:29,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:29,854 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-11-28 23:51:29,970 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-11-28 23:51:30,170 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:51:30,177 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:51:30,178 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:51:30,180 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:51:30,180 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:51:30,181 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:51:30,181 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:51:30,181 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:51:30,184 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:51:30,184 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:51:30,189 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:51:30,195 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:51:30,195 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 23:51:30,198 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:51:30,198 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 23:51:30,199 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:51:30,199 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2018-11-28 23:51:30,200 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 23:51:30,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:51:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:51:30,522 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:51:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:51:30,570 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:51:30,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:51:30,731 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-28 23:51:30,733 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 417 states. Second operand 4 states. [2018-11-28 23:51:31,219 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 417 states.. Second operand 4 states. Result 1762 states and 3080 transitions. Complement of second has 7 states. [2018-11-28 23:51:31,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 23:51:31,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 23:51:31,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1720 transitions. [2018-11-28 23:51:31,229 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1720 transitions. Stem has 18 letters. Loop has 6 letters. [2018-11-28 23:51:31,230 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:51:31,231 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1720 transitions. Stem has 24 letters. Loop has 6 letters. [2018-11-28 23:51:31,232 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:51:31,232 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1720 transitions. Stem has 18 letters. Loop has 12 letters. [2018-11-28 23:51:31,232 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:51:31,234 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1762 states and 3080 transitions. [2018-11-28 23:51:31,264 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 415 [2018-11-28 23:51:31,288 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1762 states to 863 states and 1568 transitions. [2018-11-28 23:51:31,290 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 446 [2018-11-28 23:51:31,291 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 447 [2018-11-28 23:51:31,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 863 states and 1568 transitions. [2018-11-28 23:51:31,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 23:51:31,293 INFO L705 BuchiCegarLoop]: Abstraction has 863 states and 1568 transitions. [2018-11-28 23:51:31,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states and 1568 transitions. [2018-11-28 23:51:31,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 448. [2018-11-28 23:51:31,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2018-11-28 23:51:31,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 811 transitions. [2018-11-28 23:51:31,370 INFO L728 BuchiCegarLoop]: Abstraction has 448 states and 811 transitions. [2018-11-28 23:51:31,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:51:31,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:51:31,376 INFO L87 Difference]: Start difference. First operand 448 states and 811 transitions. Second operand 3 states. [2018-11-28 23:51:31,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:51:31,557 INFO L93 Difference]: Finished difference Result 876 states and 1587 transitions. [2018-11-28 23:51:31,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:51:31,559 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 876 states and 1587 transitions. [2018-11-28 23:51:31,568 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 416 [2018-11-28 23:51:31,576 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 876 states to 876 states and 1587 transitions. [2018-11-28 23:51:31,577 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 458 [2018-11-28 23:51:31,578 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 458 [2018-11-28 23:51:31,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 876 states and 1587 transitions. [2018-11-28 23:51:31,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 23:51:31,578 INFO L705 BuchiCegarLoop]: Abstraction has 876 states and 1587 transitions. [2018-11-28 23:51:31,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states and 1587 transitions. [2018-11-28 23:51:31,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 447. [2018-11-28 23:51:31,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2018-11-28 23:51:31,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 807 transitions. [2018-11-28 23:51:31,616 INFO L728 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2018-11-28 23:51:31,616 INFO L608 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2018-11-28 23:51:31,616 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:51:31,617 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 447 states and 807 transitions. [2018-11-28 23:51:31,620 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2018-11-28 23:51:31,620 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:51:31,620 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:51:31,623 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:51:31,625 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:51:31,626 INFO L794 eck$LassoCheckResult]: Stem: 3906#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~sent_signed~0 := -1;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(16);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(15);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(16);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string25.base, #t~string25.offset := #Ultimate.alloc(44);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(44);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(11);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(19);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string43.base, #t~string43.offset, 1);call write~init~int(100, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(10, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 3 + #t~string43.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string46.base, #t~string46.offset, 1);call write~init~int(100, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(10, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string53.base, #t~string53.offset := #Ultimate.alloc(10);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(16);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(20);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(10);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(12);call #t~string77.base, #t~string77.offset := #Ultimate.alloc(10);call #t~string80.base, #t~string80.offset := #Ultimate.alloc(18);call #t~string83.base, #t~string83.offset := #Ultimate.alloc(13);call #t~string86.base, #t~string86.offset := #Ultimate.alloc(16);call #t~string89.base, #t~string89.offset := #Ultimate.alloc(25);~head~0.base, ~head~0.offset := 0, 0;call #t~string109.base, #t~string109.offset := #Ultimate.alloc(30);call #t~string110.base, #t~string110.offset := #Ultimate.alloc(9);call #t~string111.base, #t~string111.offset := #Ultimate.alloc(21);call #t~string112.base, #t~string112.offset := #Ultimate.alloc(30);call #t~string113.base, #t~string113.offset := #Ultimate.alloc(9);call #t~string114.base, #t~string114.offset := #Ultimate.alloc(21);call #t~string118.base, #t~string118.offset := #Ultimate.alloc(30);call #t~string119.base, #t~string119.offset := #Ultimate.alloc(9);call #t~string120.base, #t~string120.offset := #Ultimate.alloc(25);call #t~string121.base, #t~string121.offset := #Ultimate.alloc(30);call #t~string122.base, #t~string122.offset := #Ultimate.alloc(9);call #t~string123.base, #t~string123.offset := #Ultimate.alloc(25);~__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~string128.base, #t~string128.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string128.base, #t~string128.offset, 1);call write~init~int(115, #t~string128.base, 1 + #t~string128.offset, 1);call write~init~int(10, #t~string128.base, 2 + #t~string128.offset, 1);call write~init~int(0, #t~string128.base, 3 + #t~string128.offset, 1); 3626#L-1 havoc main_#res;havoc main_#t~ret38, main_~retValue_acc~2, main_~tmp~3;havoc main_~retValue_acc~2;havoc main_~tmp~3; 3627#L75 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 3829#L83 main_#t~ret38 := valid_product_#res;main_~tmp~3 := main_#t~ret38;havoc main_#t~ret38; 4014#L529 assume 0 != main_~tmp~3;havoc setup_#t~nondet33, setup_#t~nondet35, setup_#t~nondet37, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4013#L2836 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3779#L2842-2 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; 4001#L2401 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3774#L2407-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string32.base, #t~string32.offset;havoc setup_#t~nondet33;~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; 4012#L2836-2 assume !(1 == setClientId_~handle); 3796#L2839-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 3797#L2842-5 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; 4002#L2401-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3782#L2407-5 setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string34.base, #t~string34.offset;havoc setup_#t~nondet35;~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; 4000#L2836-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3700#L2842-8 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; 3969#L2401-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3799#L2407-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string36.base, #t~string36.offset;havoc setup_#t~nondet37; 3652#L516 havoc test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, 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~1, test_~tmp___0~1, test_~tmp___1~1, 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~1;havoc test_~tmp___0~1;havoc test_~tmp___1~1;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; 3653#L344-1 assume !false; 3801#L202 [2018-11-28 23:51:31,633 INFO L796 eck$LassoCheckResult]: Loop: 3801#L202 assume test_~splverifierCounter~0 < 4; 3802#L203 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 3882#L209 assume !(0 == test_~op1~0); 3807#L222 assume !(0 == test_~op2~0); 4004#L233 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet16;havoc test_#t~nondet16; 4008#L238 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; 4009#L2401-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3702#L2407-11 test_~op3~0 := 1; 3921#L344-1 assume !false; 3801#L202 [2018-11-28 23:51:31,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:51:31,633 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2018-11-28 23:51:31,633 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:51:31,634 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:51:31,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:51:31,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:51:31,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:51:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:51:31,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:51:31,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:51:31,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 23:51:31,779 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 23:51:31,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:51:31,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2018-11-28 23:51:31,782 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:51:31,782 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:51:31,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:51:31,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:51:31,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:51:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:51:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:51:31,975 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-11-28 23:51:32,108 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-11-28 23:51:32,109 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:51:32,110 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:51:32,110 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:51:32,110 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:51:32,110 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:51:32,110 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:51:32,110 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:51:32,111 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:51:32,111 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec3_product13_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 23:51:32,111 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:51:32,111 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:51:32,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:32,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:32,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:32,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:32,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:32,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:32,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:32,398 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:51:32,398 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:51:32,401 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:51:32,402 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:51:32,408 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:51:32,408 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___7~0=2, ULTIMATE.start_test_#t~nondet16=2} Honda state: {ULTIMATE.start_test_~tmp___7~0=2, ULTIMATE.start_test_#t~nondet16=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:51:32,429 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:51:32,429 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2018-11-28 23:51:32,498 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:51:32,498 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:51:32,566 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:51:32,569 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:51:32,569 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:51:32,569 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:51:32,569 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:51:32,569 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:51:32,570 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:51:32,570 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:51:32,570 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:51:32,570 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec3_product13_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 23:51:32,570 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:51:32,570 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:51:32,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:32,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:32,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:32,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:32,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:32,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:32,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:33,034 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-28 23:51:33,122 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:51:33,123 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:51:33,123 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:51:33,124 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:51:33,124 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:51:33,125 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:51:33,125 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:51:33,125 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:51:33,126 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:51:33,126 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:51:33,132 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:51:33,132 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:51:33,133 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:51:33,133 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:51:33,133 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:51:33,133 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:51:33,133 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:51:33,134 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:51:33,134 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:51:33,138 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:51:33,141 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:51:33,141 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 23:51:33,141 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:51:33,141 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 23:51:33,142 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:51:33,142 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2018-11-28 23:51:33,142 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 23:51:33,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:51:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:51:33,304 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:51:33,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:51:33,338 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:51:33,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:51:33,646 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-11-28 23:51:33,646 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362 Second operand 4 states. [2018-11-28 23:51:33,754 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362. Second operand 4 states. Result 867 states and 1573 transitions. Complement of second has 6 states. [2018-11-28 23:51:33,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 23:51:33,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 23:51:33,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 426 transitions. [2018-11-28 23:51:33,757 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 9 letters. [2018-11-28 23:51:33,758 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:51:33,759 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 29 letters. Loop has 9 letters. [2018-11-28 23:51:33,760 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:51:33,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 18 letters. [2018-11-28 23:51:33,761 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:51:33,765 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 867 states and 1573 transitions. [2018-11-28 23:51:33,775 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:51:33,775 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 867 states to 0 states and 0 transitions. [2018-11-28 23:51:33,775 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:51:33,775 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:51:33,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:51:33,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:51:33,776 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:51:33,776 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:51:33,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 23:51:33,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 23:51:33,776 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2018-11-28 23:51:33,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:51:33,779 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-28 23:51:33,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 23:51:33,779 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-28 23:51:33,780 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:51:33,780 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 23:51:33,780 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:51:33,780 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:51:33,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:51:33,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:51:33,780 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:51:33,780 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:51:33,780 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:51:33,783 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 23:51:33,784 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 23:51:33,784 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:51:33,784 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 23:51:33,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:51:33 BoogieIcfgContainer [2018-11-28 23:51:33,794 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:51:33,795 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:51:33,795 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:51:33,795 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:51:33,797 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:51:27" (3/4) ... [2018-11-28 23:51:33,804 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:51:33,806 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:51:33,807 INFO L168 Benchmark]: Toolchain (without parser) took 11250.56 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 230.2 MB). Free memory was 944.6 MB in the beginning and 972.1 MB in the end (delta: -27.5 MB). Peak memory consumption was 202.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:51:33,810 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:51:33,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1146.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. [2018-11-28 23:51:33,814 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:51:33,815 INFO L168 Benchmark]: Boogie Preprocessor took 105.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:51:33,816 INFO L168 Benchmark]: RCFGBuilder took 3880.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 900.1 MB in the end (delta: 176.4 MB). Peak memory consumption was 176.4 MB. Max. memory is 11.5 GB. [2018-11-28 23:51:33,817 INFO L168 Benchmark]: BuchiAutomizer took 5969.54 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.2 MB). Free memory was 900.1 MB in the beginning and 972.1 MB in the end (delta: -72.0 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2018-11-28 23:51:33,818 INFO L168 Benchmark]: Witness Printer took 11.32 ms. Allocated memory is still 1.3 GB. Free memory is still 972.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:51:33,827 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1146.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 132.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 105.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3880.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 900.1 MB in the end (delta: 176.4 MB). Peak memory consumption was 176.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5969.54 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.2 MB). Free memory was 900.1 MB in the beginning and 972.1 MB in the end (delta: -72.0 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Witness Printer took 11.32 ms. Allocated memory is still 1.3 GB. Free memory is still 972.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 5.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. Construction of modules took 0.3s. 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, 844 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 447 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2644 SDtfs, 2232 SDslu, 3179 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 8ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...