./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/email_spec27_product25_false-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/email_spec27_product25_false-unreach-call_true-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b1e94f81c90b5fbb3ca3c9e058e883e60f32ab1a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:27:36,049 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:27:36,051 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:27:36,062 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:27:36,062 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:27:36,064 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:27:36,065 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:27:36,067 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:27:36,068 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:27:36,071 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:27:36,072 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:27:36,072 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:27:36,075 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:27:36,077 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:27:36,078 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:27:36,078 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:27:36,080 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:27:36,082 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:27:36,084 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:27:36,086 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:27:36,087 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:27:36,089 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:27:36,091 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:27:36,092 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:27:36,092 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:27:36,093 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:27:36,094 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:27:36,096 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:27:36,097 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:27:36,098 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:27:36,098 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:27:36,099 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:27:36,099 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:27:36,100 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:27:36,101 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:27:36,102 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:27:36,103 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:27:36,129 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:27:36,130 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:27:36,131 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:27:36,131 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:27:36,132 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:27:36,132 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:27:36,132 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:27:36,132 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:27:36,132 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:27:36,132 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:27:36,135 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:27:36,135 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:27:36,135 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:27:36,135 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:27:36,136 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:27:36,136 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:27:36,136 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:27:36,136 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:27:36,136 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:27:36,136 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:27:36,136 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:27:36,137 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:27:36,137 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:27:36,137 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:27:36,137 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:27:36,137 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:27:36,138 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:27:36,143 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:27:36,143 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:27:36,143 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:27:36,144 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:27:36,144 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:27:36,145 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 -> b1e94f81c90b5fbb3ca3c9e058e883e60f32ab1a [2019-01-01 23:27:36,190 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:27:36,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:27:36,213 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:27:36,214 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:27:36,215 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:27:36,215 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/email_spec27_product25_false-unreach-call_true-termination.cil.c [2019-01-01 23:27:36,279 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/292998461/d8c07bf122024159959722eca13cfa76/FLAG7200b6037 [2019-01-01 23:27:36,923 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:27:36,924 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/email_spec27_product25_false-unreach-call_true-termination.cil.c [2019-01-01 23:27:36,952 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/292998461/d8c07bf122024159959722eca13cfa76/FLAG7200b6037 [2019-01-01 23:27:37,122 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/292998461/d8c07bf122024159959722eca13cfa76 [2019-01-01 23:27:37,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:27:37,130 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:27:37,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:27:37,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:27:37,137 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:27:37,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:27:37" (1/1) ... [2019-01-01 23:27:37,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d8b3f54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:27:37, skipping insertion in model container [2019-01-01 23:27:37,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:27:37" (1/1) ... [2019-01-01 23:27:37,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:27:37,234 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:27:37,889 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:27:37,917 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:27:38,153 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:27:38,249 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:27:38,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:27:38 WrapperNode [2019-01-01 23:27:38,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:27:38,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:27:38,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:27:38,251 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:27:38,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:27:38" (1/1) ... [2019-01-01 23:27:38,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:27:38" (1/1) ... [2019-01-01 23:27:38,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:27:38,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:27:38,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:27:38,430 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:27:38,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:27:38" (1/1) ... [2019-01-01 23:27:38,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:27:38" (1/1) ... [2019-01-01 23:27:38,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:27:38" (1/1) ... [2019-01-01 23:27:38,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:27:38" (1/1) ... [2019-01-01 23:27:38,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:27:38" (1/1) ... [2019-01-01 23:27:38,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:27:38" (1/1) ... [2019-01-01 23:27:38,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:27:38" (1/1) ... [2019-01-01 23:27:38,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:27:38,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:27:38,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:27:38,601 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:27:38,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:27:38" (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 23:27:38,678 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-01-01 23:27:38,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:27:38,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:27:38,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:27:38,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:27:44,544 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:27:44,545 INFO L280 CfgBuilder]: Removed 633 assue(true) statements. [2019-01-01 23:27:44,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:27:44 BoogieIcfgContainer [2019-01-01 23:27:44,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:27:44,546 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:27:44,546 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:27:44,550 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:27:44,551 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:27:44,552 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:27:37" (1/3) ... [2019-01-01 23:27:44,553 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fef4fcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:27:44, skipping insertion in model container [2019-01-01 23:27:44,555 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:27:44,555 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:27:38" (2/3) ... [2019-01-01 23:27:44,555 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fef4fcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:27:44, skipping insertion in model container [2019-01-01 23:27:44,556 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:27:44,556 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:27:44" (3/3) ... [2019-01-01 23:27:44,558 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec27_product25_false-unreach-call_true-termination.cil.c [2019-01-01 23:27:44,628 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:27:44,628 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:27:44,629 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:27:44,629 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:27:44,629 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:27:44,629 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:27:44,629 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:27:44,629 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:27:44,629 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:27:44,675 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 960 states. [2019-01-01 23:27:44,760 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-01-01 23:27:44,761 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:27:44,761 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:27:44,774 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 23:27:44,775 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:27:44,775 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:27:44,775 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 960 states. [2019-01-01 23:27:44,789 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-01-01 23:27:44,790 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:27:44,790 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:27:44,792 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 23:27:44,793 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:27:44,800 INFO L794 eck$LassoCheckResult]: Stem: 317#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(10);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(34);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(30);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(16);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(20);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(10);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(12);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(10);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(18);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(16);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(25);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string51.base, #t~string51.offset, 1);call write~init~int(115, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(10, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(16);~head~0.base, ~head~0.offset := 0, 0;call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(30);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(9);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(21);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(30);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(9);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(21);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(30);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(9);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(25);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(30);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(9);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(25);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(44);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(44);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(9);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(9);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(11);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(19);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string122.base, #t~string122.offset, 1);call write~init~int(100, #t~string122.base, 1 + #t~string122.offset, 1);call write~init~int(10, #t~string122.base, 2 + #t~string122.offset, 1);call write~init~int(0, #t~string122.base, 3 + #t~string122.offset, 1);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string125.base, #t~string125.offset, 1);call write~init~int(100, #t~string125.base, 1 + #t~string125.offset, 1);call write~init~int(10, #t~string125.base, 2 + #t~string125.offset, 1);call write~init~int(0, #t~string125.base, 3 + #t~string125.offset, 1); 223#L-1true havoc main_#res;havoc main_#t~ret117, main_~retValue_acc~40, main_~tmp~19;havoc main_~retValue_acc~40;havoc main_~tmp~19; 396#L2946true havoc valid_product_#res;havoc valid_product_~retValue_acc~42;havoc valid_product_~retValue_acc~42;valid_product_~retValue_acc~42 := 1;valid_product_#res := valid_product_~retValue_acc~42; 130#L2954true main_#t~ret117 := valid_product_#res;main_~tmp~19 := main_#t~ret117;havoc main_#t~ret117; 173#L2777true assume 0 != main_~tmp~19;havoc setup_#t~nondet112, setup_#t~nondet114, setup_#t~nondet116, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.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_tmp3~4.base, setup_~__cil_tmp3~4.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; 823#L1464true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 562#L1470-2true 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; 583#L1029true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 296#L1035-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string111.base, #t~string111.offset;havoc setup_#t~nondet112;~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; 825#L1464-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 548#L1470-5true 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; 575#L1029-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 302#L1035-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string113.base, #t~string113.offset;havoc setup_#t~nondet114;~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; 815#L1464-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 553#L1470-8true 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; 576#L1029-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 290#L1035-8true setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string115.base, #t~string115.offset;havoc setup_#t~nondet116; 793#L2764true havoc test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, 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~13, test_~tmp___0~4, test_~tmp___1~3, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~13;havoc test_~tmp___0~4;havoc test_~tmp___1~3;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 522#L2195-1true [2019-01-01 23:27:44,801 INFO L796 eck$LassoCheckResult]: Loop: 522#L2195-1true assume !false; 218#L2047true assume test_~splverifierCounter~0 < 4; 314#L2048true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 908#L2054true assume !(0 == test_~op1~0); 441#L2067true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet54;havoc test_#t~nondet54; 194#L2072true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 522#L2195-1true [2019-01-01 23:27:44,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:27:44,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-01-01 23:27:44,818 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:27:44,819 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:27:44,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:27:44,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:27:44,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:27:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:27:45,249 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 23:27:45,253 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:27:45,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:27:45,258 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-01-01 23:27:45,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:27:45,258 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-01-01 23:27:45,259 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:27:45,259 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:27:45,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:27:45,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:27:45,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:27:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:27:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:27:45,530 WARN L181 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-01-01 23:27:45,624 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:27:45,625 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:27:45,625 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:27:45,625 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:27:45,625 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:27:45,625 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:27:45,626 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:27:45,626 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:27:45,626 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec27_product25_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2019-01-01 23:27:45,626 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:27:45,626 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:27:45,652 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 23:27:45,682 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 23:27:45,690 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 23:27:45,702 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 23:27:45,846 WARN L181 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-01 23:27:46,121 WARN L181 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-01-01 23:27:46,351 WARN L181 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-01 23:27:46,547 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:27:46,548 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 23:27:46,559 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:27:46,559 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 23:27:46,611 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:27:46,612 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:27:46,626 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 23:27:46,643 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:27:46,644 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:27:46,644 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:27:46,644 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:27:46,644 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:27:46,644 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:27:46,644 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:27:46,644 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:27:46,645 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec27_product25_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2019-01-01 23:27:46,645 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:27:46,645 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:27:46,646 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 23:27:46,698 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 23:27:46,706 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 23:27:46,713 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 23:27:46,855 WARN L181 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-01 23:27:47,124 WARN L181 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-01-01 23:27:47,347 WARN L181 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-01 23:27:47,399 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:27:47,404 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:27:47,405 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 23:27:47,407 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:27:47,407 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:27:47,408 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:27:47,408 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:27:47,408 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:27:47,410 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:27:47,410 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:27:47,414 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 23:27:47,420 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-01 23:27:47,420 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-01 23:27:47,422 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 23:27:47,422 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 23:27:47,423 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 23:27:47,423 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 23:27:47,425 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 23:27:47,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:27:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:27:47,645 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:27:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:27:47,696 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:27:47,841 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 23:27:47,861 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 23:27:47,863 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 960 states. Second operand 4 states. [2019-01-01 23:27:48,415 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 960 states.. Second operand 4 states. Result 4430 states and 7642 transitions. Complement of second has 7 states. [2019-01-01 23:27:48,416 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 23:27:48,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-01 23:27:48,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4424 transitions. [2019-01-01 23:27:48,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4424 transitions. Stem has 18 letters. Loop has 6 letters. [2019-01-01 23:27:48,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:27:48,430 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4424 transitions. Stem has 24 letters. Loop has 6 letters. [2019-01-01 23:27:48,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:27:48,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4424 transitions. Stem has 18 letters. Loop has 12 letters. [2019-01-01 23:27:48,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:27:48,433 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4430 states and 7642 transitions. [2019-01-01 23:27:48,488 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 509 [2019-01-01 23:27:48,513 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4430 states to 1051 states and 1924 transitions. [2019-01-01 23:27:48,515 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 540 [2019-01-01 23:27:48,517 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 541 [2019-01-01 23:27:48,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1051 states and 1924 transitions. [2019-01-01 23:27:48,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-01 23:27:48,522 INFO L705 BuchiCegarLoop]: Abstraction has 1051 states and 1924 transitions. [2019-01-01 23:27:48,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states and 1924 transitions. [2019-01-01 23:27:48,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 542. [2019-01-01 23:27:48,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2019-01-01 23:27:48,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 989 transitions. [2019-01-01 23:27:48,612 INFO L728 BuchiCegarLoop]: Abstraction has 542 states and 989 transitions. [2019-01-01 23:27:48,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 23:27:48,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 23:27:48,620 INFO L87 Difference]: Start difference. First operand 542 states and 989 transitions. Second operand 3 states. [2019-01-01 23:27:48,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:27:48,766 INFO L93 Difference]: Finished difference Result 1064 states and 1943 transitions. [2019-01-01 23:27:48,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 23:27:48,767 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1064 states and 1943 transitions. [2019-01-01 23:27:48,777 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 510 [2019-01-01 23:27:48,787 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1064 states to 1064 states and 1943 transitions. [2019-01-01 23:27:48,787 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 552 [2019-01-01 23:27:48,788 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 552 [2019-01-01 23:27:48,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1064 states and 1943 transitions. [2019-01-01 23:27:48,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-01 23:27:48,799 INFO L705 BuchiCegarLoop]: Abstraction has 1064 states and 1943 transitions. [2019-01-01 23:27:48,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states and 1943 transitions. [2019-01-01 23:27:48,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 541. [2019-01-01 23:27:48,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2019-01-01 23:27:48,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 985 transitions. [2019-01-01 23:27:48,825 INFO L728 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-01-01 23:27:48,825 INFO L608 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-01-01 23:27:48,825 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:27:48,825 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 541 states and 985 transitions. [2019-01-01 23:27:48,830 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-01-01 23:27:48,830 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:27:48,830 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:27:48,832 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 23:27:48,835 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:27:48,836 INFO L794 eck$LassoCheckResult]: Stem: 7384#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(10);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(34);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(30);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(16);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(20);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(10);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(12);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(10);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(18);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(16);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(25);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string51.base, #t~string51.offset, 1);call write~init~int(115, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(10, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(16);~head~0.base, ~head~0.offset := 0, 0;call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(30);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(9);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(21);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(30);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(9);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(21);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(30);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(9);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(25);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(30);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(9);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(25);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(44);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(44);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(9);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(9);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(11);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(19);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string122.base, #t~string122.offset, 1);call write~init~int(100, #t~string122.base, 1 + #t~string122.offset, 1);call write~init~int(10, #t~string122.base, 2 + #t~string122.offset, 1);call write~init~int(0, #t~string122.base, 3 + #t~string122.offset, 1);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string125.base, #t~string125.offset, 1);call write~init~int(100, #t~string125.base, 1 + #t~string125.offset, 1);call write~init~int(10, #t~string125.base, 2 + #t~string125.offset, 1);call write~init~int(0, #t~string125.base, 3 + #t~string125.offset, 1); 7145#L-1 havoc main_#res;havoc main_#t~ret117, main_~retValue_acc~40, main_~tmp~19;havoc main_~retValue_acc~40;havoc main_~tmp~19; 7146#L2946 havoc valid_product_#res;havoc valid_product_~retValue_acc~42;havoc valid_product_~retValue_acc~42;valid_product_~retValue_acc~42 := 1;valid_product_#res := valid_product_~retValue_acc~42; 7551#L2954 main_#t~ret117 := valid_product_#res;main_~tmp~19 := main_#t~ret117;havoc main_#t~ret117; 7582#L2777 assume 0 != main_~tmp~19;havoc setup_#t~nondet112, setup_#t~nondet114, setup_#t~nondet116, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.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_tmp3~4.base, setup_~__cil_tmp3~4.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; 7400#L1464 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7312#L1470-2 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; 7331#L1029 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7305#L1035-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string111.base, #t~string111.offset;havoc setup_#t~nondet112;~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; 7306#L1464-2 assume !(1 == setClientId_~handle); 7411#L1467-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 7249#L1470-5 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; 7250#L1029-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7316#L1035-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string113.base, #t~string113.offset;havoc setup_#t~nondet114;~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; 7336#L1464-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7260#L1470-8 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; 7275#L1029-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7251#L1035-8 setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string115.base, #t~string115.offset;havoc setup_#t~nondet116; 7252#L2764 havoc test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, 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~13, test_~tmp___0~4, test_~tmp___1~3, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~13;havoc test_~tmp___0~4;havoc test_~tmp___1~3;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 7276#L2195-1 assume !false; 7123#L2047 [2019-01-01 23:27:48,836 INFO L796 eck$LassoCheckResult]: Loop: 7123#L2047 assume test_~splverifierCounter~0 < 4; 7124#L2048 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 7379#L2054 assume !(0 == test_~op1~0); 7119#L2067 assume !(0 == test_~op2~0); 7605#L2078 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet55;havoc test_#t~nondet55; 7606#L2083 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; 7414#L1029-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7262#L1035-11 test_~op3~0 := 1; 7147#L2195-1 assume !false; 7123#L2047 [2019-01-01 23:27:48,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:27:48,836 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-01-01 23:27:48,836 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:27:48,837 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:27:48,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:27:48,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:27:48,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:27:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:27:49,106 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 23:27:49,107 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:27:49,107 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 23:27:49,107 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-01-01 23:27:49,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:27:49,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-01-01 23:27:49,109 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:27:49,109 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:27:49,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:27:49,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:27:49,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:27:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:27:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:27:49,316 WARN L181 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2019-01-01 23:27:49,360 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:27:49,360 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:27:49,361 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:27:49,361 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:27:49,361 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:27:49,361 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:27:49,361 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:27:49,362 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:27:49,362 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec27_product25_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2019-01-01 23:27:49,362 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:27:49,362 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:27:49,364 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 23:27:49,377 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 23:27:49,379 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 23:27:49,394 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 23:27:49,427 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 23:27:49,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:27:49,439 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 23:27:49,685 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:27:49,686 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 23:27:49,689 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:27:49,689 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:27:49,716 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:27:49,716 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:27:49,740 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 23:27:49,742 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:27:49,742 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:27:49,743 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:27:49,743 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:27:49,743 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:27:49,743 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:27:49,743 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:27:49,743 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:27:49,744 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec27_product25_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2019-01-01 23:27:49,744 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:27:49,744 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:27:49,752 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 23:27:49,785 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 23:27:49,864 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 23:27:49,899 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 23:27:49,975 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 23:27:49,978 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 23:27:49,991 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 23:27:50,239 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:27:50,240 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:27:50,240 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 23:27:50,241 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:27:50,241 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:27:50,242 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:27:50,242 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 23:27:50,242 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:27:50,245 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:27:50,246 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:27:50,250 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:27:50,251 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 23:27:50,251 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:27:50,253 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:27:50,254 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:27:50,254 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:27:50,254 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:27:50,256 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:27:50,256 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:27:50,259 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 23:27:50,261 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-01 23:27:50,261 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-01 23:27:50,262 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 23:27:50,262 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 23:27:50,262 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 23:27:50,262 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 23:27:50,332 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 23:27:50,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:27:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:27:50,591 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:27:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:27:50,630 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:27:50,961 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 23:27:50,962 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 23:27:50,962 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446 Second operand 4 states. [2019-01-01 23:27:51,036 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 23:27:51,038 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 23:27:51,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-01 23:27:51,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2019-01-01 23:27:51,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 9 letters. [2019-01-01 23:27:51,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:27:51,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 29 letters. Loop has 9 letters. [2019-01-01 23:27:51,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:27:51,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 18 letters. [2019-01-01 23:27:51,041 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:27:51,041 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1055 states and 1929 transitions. [2019-01-01 23:27:51,051 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:27:51,051 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1055 states to 0 states and 0 transitions. [2019-01-01 23:27:51,051 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 23:27:51,051 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 23:27:51,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 23:27:51,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:27:51,051 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:27:51,052 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:27:51,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 23:27:51,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 23:27:51,052 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-01-01 23:27:51,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:27:51,053 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-01-01 23:27:51,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-01 23:27:51,053 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-01-01 23:27:51,053 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:27:51,053 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-01-01 23:27:51,053 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 23:27:51,053 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 23:27:51,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 23:27:51,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:27:51,054 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:27:51,054 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:27:51,054 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:27:51,054 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-01 23:27:51,054 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-01 23:27:51,054 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:27:51,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-01 23:27:51,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:27:51 BoogieIcfgContainer [2019-01-01 23:27:51,062 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:27:51,063 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:27:51,063 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:27:51,063 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:27:51,064 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:27:44" (3/4) ... [2019-01-01 23:27:51,068 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 23:27:51,068 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:27:51,069 INFO L168 Benchmark]: Toolchain (without parser) took 13940.93 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 341.3 MB). Free memory was 947.3 MB in the beginning and 1.2 GB in the end (delta: -293.5 MB). Peak memory consumption was 47.8 MB. Max. memory is 11.5 GB. [2019-01-01 23:27:51,070 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:27:51,071 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1119.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 11.5 GB. [2019-01-01 23:27:51,072 INFO L168 Benchmark]: Boogie Procedure Inliner took 179.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2019-01-01 23:27:51,073 INFO L168 Benchmark]: Boogie Preprocessor took 170.39 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 23:27:51,073 INFO L168 Benchmark]: RCFGBuilder took 5944.89 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 89.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -64.3 MB). Peak memory consumption was 276.9 MB. Max. memory is 11.5 GB. [2019-01-01 23:27:51,074 INFO L168 Benchmark]: BuchiAutomizer took 6516.02 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 99.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -98.2 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. [2019-01-01 23:27:51,075 INFO L168 Benchmark]: Witness Printer took 5.19 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:27:51,081 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1119.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 179.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 170.39 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 5944.89 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 89.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -64.3 MB). Peak memory consumption was 276.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6516.02 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 99.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -98.2 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.19 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. 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 6.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.1s. Construction of modules took 0.2s. Büchi inclusion checks took 1.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1032 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 541 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4769 SDtfs, 4267 SDslu, 6233 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...