./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/email_spec0_product38_true-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/email_spec0_product38_true-unreach-call_true-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d469805700e0623dabbbb556e20313ed0255a5a0 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 23:26:20,761 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:26:20,765 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:26:20,782 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:26:20,782 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:26:20,783 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:26:20,785 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:26:20,786 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:26:20,788 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:26:20,789 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:26:20,790 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:26:20,790 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:26:20,791 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:26:20,792 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:26:20,793 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:26:20,794 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:26:20,795 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:26:20,796 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:26:20,798 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:26:20,800 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:26:20,801 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:26:20,802 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:26:20,805 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:26:20,805 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:26:20,805 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:26:20,806 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:26:20,807 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:26:20,808 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:26:20,812 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:26:20,813 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:26:20,813 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:26:20,814 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:26:20,814 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:26:20,814 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:26:20,816 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:26:20,816 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:26:20,817 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:26:20,840 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:26:20,841 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:26:20,842 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:26:20,842 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:26:20,842 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:26:20,842 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:26:20,843 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:26:20,843 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:26:20,843 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:26:20,843 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:26:20,843 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:26:20,843 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:26:20,845 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:26:20,845 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:26:20,845 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:26:20,845 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:26:20,845 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:26:20,845 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:26:20,846 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:26:20,846 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:26:20,846 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:26:20,846 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:26:20,846 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:26:20,846 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:26:20,847 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:26:20,848 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:26:20,848 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:26:20,849 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:26:20,849 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:26:20,849 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:26:20,849 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:26:20,850 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:26:20,850 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 -> d469805700e0623dabbbb556e20313ed0255a5a0 [2019-01-01 23:26:20,913 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:26:20,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:26:20,937 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:26:20,938 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:26:20,939 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:26:20,939 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/email_spec0_product38_true-unreach-call_true-termination.cil.c [2019-01-01 23:26:20,992 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8c60cc48/123a395ddfb144ac877705a7f8d569e7/FLAGa1d4d833b [2019-01-01 23:26:21,544 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:26:21,544 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/email_spec0_product38_true-unreach-call_true-termination.cil.c [2019-01-01 23:26:21,582 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8c60cc48/123a395ddfb144ac877705a7f8d569e7/FLAGa1d4d833b [2019-01-01 23:26:21,780 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8c60cc48/123a395ddfb144ac877705a7f8d569e7 [2019-01-01 23:26:21,785 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:26:21,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:26:21,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:26:21,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:26:21,794 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:26:21,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:26:21" (1/1) ... [2019-01-01 23:26:21,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fee0a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:26:21, skipping insertion in model container [2019-01-01 23:26:21,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:26:21" (1/1) ... [2019-01-01 23:26:21,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:26:21,883 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:26:22,640 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:26:22,660 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:26:22,892 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:26:22,994 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:26:22,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:26:22 WrapperNode [2019-01-01 23:26:22,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:26:22,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:26:22,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:26:22,996 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:26:23,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:26:22" (1/1) ... [2019-01-01 23:26:23,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:26:22" (1/1) ... [2019-01-01 23:26:23,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:26:23,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:26:23,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:26:23,156 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:26:23,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:26:22" (1/1) ... [2019-01-01 23:26:23,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:26:22" (1/1) ... [2019-01-01 23:26:23,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:26:22" (1/1) ... [2019-01-01 23:26:23,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:26:22" (1/1) ... [2019-01-01 23:26:23,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:26:22" (1/1) ... [2019-01-01 23:26:23,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:26:22" (1/1) ... [2019-01-01 23:26:23,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:26:22" (1/1) ... [2019-01-01 23:26:23,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:26:23,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:26:23,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:26:23,290 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:26:23,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:26:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:26:23,363 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-01-01 23:26:23,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:26:23,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:26:23,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:26:23,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:26:27,546 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:26:27,547 INFO L280 CfgBuilder]: Removed 421 assue(true) statements. [2019-01-01 23:26:27,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:26:27 BoogieIcfgContainer [2019-01-01 23:26:27,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:26:27,549 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:26:27,549 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:26:27,553 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:26:27,554 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:26:27,554 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:26:21" (1/3) ... [2019-01-01 23:26:27,556 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d28e115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:26:27, skipping insertion in model container [2019-01-01 23:26:27,556 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:26:27,557 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:26:22" (2/3) ... [2019-01-01 23:26:27,557 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d28e115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:26:27, skipping insertion in model container [2019-01-01 23:26:27,557 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:26:27,557 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:26:27" (3/3) ... [2019-01-01 23:26:27,559 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec0_product38_true-unreach-call_true-termination.cil.c [2019-01-01 23:26:27,624 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:26:27,625 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:26:27,625 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:26:27,625 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:26:27,625 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:26:27,625 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:26:27,626 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:26:27,626 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:26:27,626 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:26:27,662 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 590 states. [2019-01-01 23:26:27,736 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-01-01 23:26:27,736 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:26:27,736 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:26:27,749 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:26:27,749 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:26:27,750 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:26:27,750 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 590 states. [2019-01-01 23:26:27,777 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-01-01 23:26:27,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:26:27,780 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:26:27,785 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:26:27,786 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:26:27,793 INFO L794 eck$LassoCheckResult]: Stem: 412#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(44);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(44);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(9);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(9);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(11);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(19);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string19.base, #t~string19.offset, 1);call write~init~int(100, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(10, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string22.base, #t~string22.offset, 1);call write~init~int(100, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(10, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(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~string77.base, #t~string77.offset := #Ultimate.allocOnStack(16);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(10);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(34);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(30);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(16);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(20);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(21);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(10);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(12);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(10);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(18);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string114.base, #t~string114.offset, 1);call write~init~int(115, #t~string114.base, 1 + #t~string114.offset, 1);call write~init~int(10, #t~string114.base, 2 + #t~string114.offset, 1);call write~init~int(0, #t~string114.base, 3 + #t~string114.offset, 1); 285#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~ret14, main_~retValue_acc~11, main_~tmp~1;main_~retValue_acc~11 := main_#t~nondet13;havoc main_#t~nondet13;havoc main_~tmp~1; 424#L2488true havoc valid_product_#res;havoc valid_product_~retValue_acc~33;havoc valid_product_~retValue_acc~33;valid_product_~retValue_acc~33 := 1;valid_product_#res := valid_product_~retValue_acc~33; 588#L2496true main_#t~ret14 := valid_product_#res;main_~tmp~1 := main_#t~ret14;havoc main_#t~ret14; 520#L645true assume 0 != main_~tmp~1;havoc setup_#t~nondet8, setup_#t~nondet10, setup_#t~nondet12, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 494#L2429true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 117#L2435-2true 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; 140#L1994true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 456#L2000-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string7.base, #t~string7.offset;havoc setup_#t~nondet8;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 496#L2429-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 240#L2435-5true 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; 137#L1994-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 466#L2000-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 483#L2429-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 255#L2435-8true 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; 138#L1994-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 591#L2000-8true setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 4#L632true havoc test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 174#L1346-1true [2019-01-01 23:26:27,794 INFO L796 eck$LassoCheckResult]: Loop: 174#L1346-1true assume !false; 351#L1198true assume test_~splverifierCounter~0 < 4; 303#L1199true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 105#L1205true assume !(0 == test_~op1~0); 488#L1218true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet65;havoc test_#t~nondet65; 141#L1223true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 174#L1346-1true [2019-01-01 23:26:27,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:26:27,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-01-01 23:26:27,811 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:26:27,811 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:26:27,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:26:27,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:26:27,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:26:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:26:28,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:26:28,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:26:28,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:26:28,218 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-01-01 23:26:28,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:26:28,219 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-01-01 23:26:28,219 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:26:28,219 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:26:28,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:26:28,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:26:28,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:26:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:26:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:26:28,402 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:26:28,403 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:26:28,403 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:26:28,403 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:26:28,404 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:26:28,404 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:26:28,404 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:26:28,404 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:26:28,404 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product38_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2019-01-01 23:26:28,405 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:26:28,405 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:26:28,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:28,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:28,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:28,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:28,700 WARN L181 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-01 23:26:28,918 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:26:28,918 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:26:28,933 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:26:28,933 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:26:28,994 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:26:28,998 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:26:29,016 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 23:26:29,046 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:26:29,046 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:26:29,047 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:26:29,047 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:26:29,047 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:26:29,047 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:26:29,047 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:26:29,047 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:26:29,047 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product38_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2019-01-01 23:26:29,047 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:26:29,049 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:26:29,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:29,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:29,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:29,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:29,413 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:26:29,420 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:26:29,422 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:26:29,425 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:26:29,426 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:26:29,427 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:26:29,428 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:26:29,428 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:26:29,431 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:26:29,433 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:26:29,444 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 23:26:29,455 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-01 23:26:29,455 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-01 23:26:29,458 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 23:26:29,458 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 23:26:29,459 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 23:26:29,459 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-01-01 23:26:29,461 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 23:26:29,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:26:29,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:26:29,726 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:26:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:26:29,779 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:26:29,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:26:29,943 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-01-01 23:26:29,945 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 590 states. Second operand 4 states. [2019-01-01 23:26:30,396 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 590 states.. Second operand 4 states. Result 2580 states and 4422 transitions. Complement of second has 7 states. [2019-01-01 23:26:30,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-01-01 23:26:30,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-01 23:26:30,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2492 transitions. [2019-01-01 23:26:30,407 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2492 transitions. Stem has 18 letters. Loop has 6 letters. [2019-01-01 23:26:30,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:26:30,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2492 transitions. Stem has 24 letters. Loop has 6 letters. [2019-01-01 23:26:30,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:26:30,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2492 transitions. Stem has 18 letters. Loop has 12 letters. [2019-01-01 23:26:30,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:26:30,413 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2580 states and 4422 transitions. [2019-01-01 23:26:30,444 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 509 [2019-01-01 23:26:30,463 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2580 states to 1051 states and 1924 transitions. [2019-01-01 23:26:30,464 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 540 [2019-01-01 23:26:30,467 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 541 [2019-01-01 23:26:30,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1051 states and 1924 transitions. [2019-01-01 23:26:30,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-01 23:26:30,469 INFO L705 BuchiCegarLoop]: Abstraction has 1051 states and 1924 transitions. [2019-01-01 23:26:30,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states and 1924 transitions. [2019-01-01 23:26:30,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 542. [2019-01-01 23:26:30,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2019-01-01 23:26:30,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 989 transitions. [2019-01-01 23:26:30,549 INFO L728 BuchiCegarLoop]: Abstraction has 542 states and 989 transitions. [2019-01-01 23:26:30,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 23:26:30,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 23:26:30,555 INFO L87 Difference]: Start difference. First operand 542 states and 989 transitions. Second operand 3 states. [2019-01-01 23:26:30,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:26:30,740 INFO L93 Difference]: Finished difference Result 1064 states and 1943 transitions. [2019-01-01 23:26:30,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 23:26:30,742 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1064 states and 1943 transitions. [2019-01-01 23:26:30,755 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 510 [2019-01-01 23:26:30,767 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1064 states to 1064 states and 1943 transitions. [2019-01-01 23:26:30,767 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 552 [2019-01-01 23:26:30,769 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 552 [2019-01-01 23:26:30,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1064 states and 1943 transitions. [2019-01-01 23:26:30,782 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-01 23:26:30,782 INFO L705 BuchiCegarLoop]: Abstraction has 1064 states and 1943 transitions. [2019-01-01 23:26:30,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states and 1943 transitions. [2019-01-01 23:26:30,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 541. [2019-01-01 23:26:30,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2019-01-01 23:26:30,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 985 transitions. [2019-01-01 23:26:30,811 INFO L728 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-01-01 23:26:30,811 INFO L608 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-01-01 23:26:30,811 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:26:30,811 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 541 states and 985 transitions. [2019-01-01 23:26:30,816 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-01-01 23:26:30,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:26:30,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:26:30,820 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:26:30,820 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:26:30,821 INFO L794 eck$LassoCheckResult]: Stem: 5226#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(44);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(44);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(9);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(9);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(11);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(19);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string19.base, #t~string19.offset, 1);call write~init~int(100, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(10, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string22.base, #t~string22.offset, 1);call write~init~int(100, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(10, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(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~string77.base, #t~string77.offset := #Ultimate.allocOnStack(16);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(10);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(34);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(30);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(16);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(20);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(21);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(10);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(12);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(10);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(18);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string114.base, #t~string114.offset, 1);call write~init~int(115, #t~string114.base, 1 + #t~string114.offset, 1);call write~init~int(10, #t~string114.base, 2 + #t~string114.offset, 1);call write~init~int(0, #t~string114.base, 3 + #t~string114.offset, 1); 4935#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~ret14, main_~retValue_acc~11, main_~tmp~1;main_~retValue_acc~11 := main_#t~nondet13;havoc main_#t~nondet13;havoc main_~tmp~1; 4936#L2488 havoc valid_product_#res;havoc valid_product_~retValue_acc~33;havoc valid_product_~retValue_acc~33;valid_product_~retValue_acc~33 := 1;valid_product_#res := valid_product_~retValue_acc~33; 5245#L2496 main_#t~ret14 := valid_product_#res;main_~tmp~1 := main_#t~ret14;havoc main_#t~ret14; 5325#L645 assume 0 != main_~tmp~1;havoc setup_#t~nondet8, setup_#t~nondet10, setup_#t~nondet12, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 5321#L2429 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 5086#L2435-2 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; 5290#L1994 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 5054#L2000-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string7.base, #t~string7.offset;havoc setup_#t~nondet8;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 5282#L2429-2 assume !(1 == setClientId_~handle); 4943#L2432-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4944#L2435-5 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; 5322#L1994-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 5065#L2000-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 5289#L2429-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 5016#L2435-8 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; 5323#L1994-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4956#L2000-8 setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 4895#L632 havoc test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 4896#L1346-1 assume !false; 5140#L1198 [2019-01-01 23:26:30,827 INFO L796 eck$LassoCheckResult]: Loop: 5140#L1198 assume test_~splverifierCounter~0 < 4; 5021#L1199 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 5022#L1205 assume !(0 == test_~op1~0); 5130#L1218 assume !(0 == test_~op2~0); 5315#L1229 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet66;havoc test_#t~nondet66; 5316#L1234 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; 5305#L1994-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4977#L2000-11 test_~op3~0 := 1; 4958#L1346-1 assume !false; 5140#L1198 [2019-01-01 23:26:30,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:26:30,827 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-01-01 23:26:30,827 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:26:30,827 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:26:30,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:26:30,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:26:30,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:26:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:26:31,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:26:31,146 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:26:31,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 23:26:31,146 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-01-01 23:26:31,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:26:31,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-01-01 23:26:31,148 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:26:31,148 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:26:31,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:26:31,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:26:31,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:26:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:26:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:26:31,359 WARN L181 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2019-01-01 23:26:31,450 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:26:31,450 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:26:31,451 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:26:31,451 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:26:31,451 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:26:31,451 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:26:31,451 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:26:31,451 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:26:31,451 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product38_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2019-01-01 23:26:31,451 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:26:31,453 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:26:31,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:31,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:31,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:31,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:31,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:31,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:31,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:31,730 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:26:31,730 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:26:31,736 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:26:31,736 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:26:31,753 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:26:31,753 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Honda state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:26:31,780 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:26:31,780 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:26:31,807 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:26:31,807 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:26:31,831 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 23:26:31,833 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:26:31,833 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:26:31,833 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:26:31,833 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:26:31,833 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:26:31,834 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:26:31,834 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:26:31,834 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:26:31,834 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product38_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2019-01-01 23:26:31,834 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:26:31,834 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:26:31,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:31,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:32,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:32,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:32,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:32,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:32,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:32,417 WARN L181 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-01-01 23:26:32,531 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:26:32,531 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:26:32,532 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:26:32,533 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:26:32,533 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:26:32,533 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:26:32,533 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 23:26:32,533 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:26:32,537 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:26:32,537 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:26:32,542 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:26:32,543 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:26:32,543 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:26:32,544 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:26:32,545 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:26:32,546 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:26:32,546 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:26:32,549 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:26:32,549 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:26:32,553 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 23:26:32,556 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-01 23:26:32,557 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-01 23:26:32,558 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 23:26:32,558 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 23:26:32,558 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 23:26:32,558 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-01-01 23:26:32,558 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 23:26:32,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:26:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:26:32,733 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:26:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:26:32,779 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:26:33,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:26:33,086 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-01-01 23:26:33,086 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446 Second operand 4 states. [2019-01-01 23:26:33,195 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446. Second operand 4 states. Result 1055 states and 1929 transitions. Complement of second has 6 states. [2019-01-01 23:26:33,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-01-01 23:26:33,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-01 23:26:33,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2019-01-01 23:26:33,198 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 9 letters. [2019-01-01 23:26:33,199 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:26:33,200 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 29 letters. Loop has 9 letters. [2019-01-01 23:26:33,200 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:26:33,200 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 18 letters. [2019-01-01 23:26:33,202 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:26:33,205 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1055 states and 1929 transitions. [2019-01-01 23:26:33,217 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:26:33,217 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1055 states to 0 states and 0 transitions. [2019-01-01 23:26:33,217 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 23:26:33,217 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 23:26:33,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 23:26:33,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:26:33,218 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:26:33,219 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:26:33,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 23:26:33,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 23:26:33,221 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-01-01 23:26:33,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:26:33,221 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-01-01 23:26:33,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-01 23:26:33,222 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-01-01 23:26:33,222 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:26:33,222 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-01-01 23:26:33,222 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 23:26:33,222 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 23:26:33,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 23:26:33,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:26:33,223 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:26:33,223 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:26:33,223 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:26:33,223 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-01 23:26:33,223 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-01 23:26:33,223 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:26:33,223 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-01 23:26:33,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:26:33 BoogieIcfgContainer [2019-01-01 23:26:33,237 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:26:33,238 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:26:33,238 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:26:33,238 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:26:33,240 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:26:27" (3/4) ... [2019-01-01 23:26:33,246 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 23:26:33,246 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:26:33,247 INFO L168 Benchmark]: Toolchain (without parser) took 11461.33 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 232.3 MB). Free memory was 947.3 MB in the beginning and 888.5 MB in the end (delta: 58.8 MB). Peak memory consumption was 291.1 MB. Max. memory is 11.5 GB. [2019-01-01 23:26:33,250 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:26:33,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1206.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -152.9 MB). Peak memory consumption was 46.8 MB. Max. memory is 11.5 GB. [2019-01-01 23:26:33,254 INFO L168 Benchmark]: Boogie Procedure Inliner took 159.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-01 23:26:33,256 INFO L168 Benchmark]: Boogie Preprocessor took 133.38 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-01-01 23:26:33,258 INFO L168 Benchmark]: RCFGBuilder took 4258.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 852.6 MB in the end (delta: 227.6 MB). Peak memory consumption was 227.6 MB. Max. memory is 11.5 GB. [2019-01-01 23:26:33,259 INFO L168 Benchmark]: BuchiAutomizer took 5689.03 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.2 MB). Free memory was 852.6 MB in the beginning and 888.5 MB in the end (delta: -35.9 MB). Peak memory consumption was 55.3 MB. Max. memory is 11.5 GB. [2019-01-01 23:26:33,261 INFO L168 Benchmark]: Witness Printer took 8.37 ms. Allocated memory is still 1.3 GB. Free memory is still 888.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:26:33,268 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1206.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -152.9 MB). Peak memory consumption was 46.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 159.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 133.38 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4258.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 852.6 MB in the end (delta: 227.6 MB). Peak memory consumption was 227.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5689.03 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.2 MB). Free memory was 852.6 MB in the beginning and 888.5 MB in the end (delta: -35.9 MB). Peak memory consumption was 55.3 MB. Max. memory is 11.5 GB. * Witness Printer took 8.37 ms. Allocated memory is still 1.3 GB. Free memory is still 888.5 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 5.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.4s. Construction of modules took 0.3s. Büchi inclusion checks took 1.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1032 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 541 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 3481 SDtfs, 2980 SDslu, 4301 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: 10ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...