./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/email_spec8_product21_false-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/email_spec8_product21_false-unreach-call_true-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ebb332648dfece5874ca2fe6da0ae760568ee4af ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:52:58,809 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:52:58,811 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:52:58,824 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:52:58,824 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:52:58,826 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:52:58,828 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:52:58,830 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:52:58,832 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:52:58,833 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:52:58,834 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:52:58,834 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:52:58,835 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:52:58,837 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:52:58,838 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:52:58,839 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:52:58,839 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:52:58,842 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:52:58,844 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:52:58,845 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:52:58,846 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:52:58,848 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:52:58,850 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:52:58,851 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:52:58,851 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:52:58,852 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:52:58,855 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:52:58,856 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:52:58,857 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:52:58,858 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:52:58,858 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:52:58,859 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:52:58,859 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:52:58,860 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:52:58,861 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:52:58,862 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:52:58,862 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:52:58,880 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:52:58,880 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:52:58,881 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:52:58,881 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:52:58,882 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:52:58,882 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:52:58,882 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:52:58,882 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:52:58,882 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:52:58,883 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:52:58,884 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:52:58,884 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:52:58,884 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:52:58,884 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:52:58,884 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:52:58,885 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:52:58,885 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:52:58,885 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:52:58,885 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:52:58,885 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:52:58,885 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:52:58,886 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:52:58,887 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:52:58,887 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:52:58,887 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:52:58,888 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:52:58,888 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:52:58,888 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:52:58,888 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:52:58,889 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:52:58,889 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:52:58,890 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:52:58,891 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebb332648dfece5874ca2fe6da0ae760568ee4af [2018-11-28 23:52:58,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:52:58,940 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:52:58,945 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:52:58,947 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:52:58,947 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:52:58,948 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/email_spec8_product21_false-unreach-call_true-termination.cil.c [2018-11-28 23:52:59,036 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f3df4e9b/b279347e5e86411f900ea5ca0d290799/FLAG13bf51220 [2018-11-28 23:52:59,701 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:52:59,703 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/email_spec8_product21_false-unreach-call_true-termination.cil.c [2018-11-28 23:52:59,730 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f3df4e9b/b279347e5e86411f900ea5ca0d290799/FLAG13bf51220 [2018-11-28 23:52:59,878 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f3df4e9b/b279347e5e86411f900ea5ca0d290799 [2018-11-28 23:52:59,882 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:52:59,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:52:59,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:52:59,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:52:59,892 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:52:59,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:52:59" (1/1) ... [2018-11-28 23:52:59,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fbc0696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:59, skipping insertion in model container [2018-11-28 23:52:59,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:52:59" (1/1) ... [2018-11-28 23:52:59,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:52:59,995 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:53:00,836 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:53:00,869 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:53:01,128 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:53:01,225 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:53:01,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:53:01 WrapperNode [2018-11-28 23:53:01,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:53:01,227 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:53:01,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:53:01,227 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:53:01,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:53:01" (1/1) ... [2018-11-28 23:53:01,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:53:01" (1/1) ... [2018-11-28 23:53:01,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:53:01,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:53:01,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:53:01,426 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:53:01,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:53:01" (1/1) ... [2018-11-28 23:53:01,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:53:01" (1/1) ... [2018-11-28 23:53:01,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:53:01" (1/1) ... [2018-11-28 23:53:01,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:53:01" (1/1) ... [2018-11-28 23:53:01,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:53:01" (1/1) ... [2018-11-28 23:53:01,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:53:01" (1/1) ... [2018-11-28 23:53:01,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:53:01" (1/1) ... [2018-11-28 23:53:01,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:53:01,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:53:01,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:53:01,613 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:53:01,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:53:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:53:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:53:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-28 23:53:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 23:53:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:53:01,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:53:07,151 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:53:07,151 INFO L280 CfgBuilder]: Removed 649 assue(true) statements. [2018-11-28 23:53:07,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:53:07 BoogieIcfgContainer [2018-11-28 23:53:07,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:53:07,153 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:53:07,154 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:53:07,158 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:53:07,159 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:53:07,160 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:52:59" (1/3) ... [2018-11-28 23:53:07,161 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2cc9bfb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:53:07, skipping insertion in model container [2018-11-28 23:53:07,161 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:53:07,161 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:53:01" (2/3) ... [2018-11-28 23:53:07,162 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2cc9bfb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:53:07, skipping insertion in model container [2018-11-28 23:53:07,162 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:53:07,162 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:53:07" (3/3) ... [2018-11-28 23:53:07,165 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec8_product21_false-unreach-call_true-termination.cil.c [2018-11-28 23:53:07,227 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:53:07,227 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:53:07,227 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:53:07,228 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:53:07,228 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:53:07,228 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:53:07,228 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:53:07,228 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:53:07,228 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:53:07,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 956 states. [2018-11-28 23:53:07,363 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2018-11-28 23:53:07,363 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:53:07,364 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:53:07,378 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:53:07,378 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:53:07,378 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:53:07,378 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 956 states. [2018-11-28 23:53:07,394 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2018-11-28 23:53:07,395 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:53:07,395 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:53:07,397 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:53:07,397 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:53:07,405 INFO L794 eck$LassoCheckResult]: Stem: 329#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.alloc(44);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(44);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(9);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(9);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(11);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(19);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string18.base, #t~string18.offset, 1);call write~init~int(100, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(10, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string21.base, #t~string21.offset, 1);call write~init~int(100, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(10, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(10);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(12);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(10);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(18);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(16);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string48.base, #t~string48.offset := #Ultimate.alloc(10);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(34);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(16);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(20);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(21);~head~0.base, ~head~0.offset := 0, 0;call #t~string104.base, #t~string104.offset := #Ultimate.alloc(30);call #t~string105.base, #t~string105.offset := #Ultimate.alloc(9);call #t~string106.base, #t~string106.offset := #Ultimate.alloc(21);call #t~string107.base, #t~string107.offset := #Ultimate.alloc(30);call #t~string108.base, #t~string108.offset := #Ultimate.alloc(9);call #t~string109.base, #t~string109.offset := #Ultimate.alloc(21);call #t~string113.base, #t~string113.offset := #Ultimate.alloc(30);call #t~string114.base, #t~string114.offset := #Ultimate.alloc(9);call #t~string115.base, #t~string115.offset := #Ultimate.alloc(25);call #t~string116.base, #t~string116.offset := #Ultimate.alloc(30);call #t~string117.base, #t~string117.offset := #Ultimate.alloc(9);call #t~string118.base, #t~string118.offset := #Ultimate.alloc(25);~in_encrypted~0 := 0;call #t~string121.base, #t~string121.offset := #Ultimate.alloc(17);call #t~string124.base, #t~string124.offset := #Ultimate.alloc(17);call #t~string126.base, #t~string126.offset := #Ultimate.alloc(13);call #t~string128.base, #t~string128.offset := #Ultimate.alloc(17);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;call #t~string134.base, #t~string134.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string134.base, #t~string134.offset, 1);call write~init~int(115, #t~string134.base, 1 + #t~string134.offset, 1);call write~init~int(10, #t~string134.base, 2 + #t~string134.offset, 1);call write~init~int(0, #t~string134.base, 3 + #t~string134.offset, 1); 254#L-1true havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 785#L2521true havoc valid_product_#res;havoc valid_product_~retValue_acc~31;havoc valid_product_~retValue_acc~31;valid_product_~retValue_acc~31 := 1;valid_product_#res := valid_product_~retValue_acc~31; 494#L2529true main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 59#L224true assume 0 != main_~tmp~1;havoc setup_#t~nondet8, setup_#t~nondet10, setup_#t~nondet12, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 582#L2482true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 351#L2488-2true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 253#L2047true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 101#L2053-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string7.base, #t~string7.offset;havoc setup_#t~nondet8;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 593#L2482-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 326#L2488-5true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 379#L2047-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 119#L2053-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 565#L2482-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 343#L2488-8true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 380#L2047-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 94#L2053-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 695#L211true havoc test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, test_#t~nondet84, test_#t~nondet85, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~14, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~14;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 829#L998-1true [2018-11-28 23:53:07,405 INFO L796 eck$LassoCheckResult]: Loop: 829#L998-1true assume !false; 690#L850true assume test_~splverifierCounter~0 < 4; 530#L851true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 256#L857true assume !(0 == test_~op1~0); 758#L870true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet76;havoc test_#t~nondet76; 557#L875true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 829#L998-1true [2018-11-28 23:53:07,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:53:07,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2018-11-28 23:53:07,414 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:53:07,415 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:53:07,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:53:07,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:53:07,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:53:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:53:07,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:53:07,758 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:53:07,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:53:07,762 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 23:53:07,763 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:53:07,763 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2018-11-28 23:53:07,763 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:53:07,763 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:53:07,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:53:07,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:53:07,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:53:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:53:07,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:53:07,983 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-28 23:53:08,032 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:53:08,033 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:53:08,033 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:53:08,033 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:53:08,034 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:53:08,034 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:53:08,034 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:53:08,034 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:53:08,034 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec8_product21_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 23:53:08,035 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:53:08,035 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:53:08,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:08,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:08,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:08,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:08,238 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-11-28 23:53:08,398 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:53:08,399 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:53:08,404 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:53:08,404 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:53:08,435 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:53:08,435 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:53:08,465 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:53:08,487 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:53:08,487 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:53:08,487 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:53:08,487 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:53:08,487 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:53:08,488 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:53:08,488 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:53:08,488 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:53:08,488 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec8_product21_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 23:53:08,488 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:53:08,488 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:53:08,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:08,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:08,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:08,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:08,786 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-28 23:53:08,871 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:53:08,877 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:53:08,880 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:53:08,882 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:53:08,882 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:53:08,883 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:53:08,884 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:53:08,884 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:53:08,887 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:53:08,887 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:53:08,898 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:53:08,919 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:53:08,919 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 23:53:08,921 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:53:08,925 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 23:53:08,926 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:53:08,927 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2018-11-28 23:53:08,928 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 23:53:08,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:53:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:53:09,117 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:53:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:53:09,163 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:53:09,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:53:09,239 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-28 23:53:09,241 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 956 states. Second operand 4 states. [2018-11-28 23:53:09,675 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 956 states.. Second operand 4 states. Result 4410 states and 7572 transitions. Complement of second has 7 states. [2018-11-28 23:53:09,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 23:53:09,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 23:53:09,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4382 transitions. [2018-11-28 23:53:09,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4382 transitions. Stem has 18 letters. Loop has 6 letters. [2018-11-28 23:53:09,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:53:09,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4382 transitions. Stem has 24 letters. Loop has 6 letters. [2018-11-28 23:53:09,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:53:09,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4382 transitions. Stem has 18 letters. Loop has 12 letters. [2018-11-28 23:53:09,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:53:09,694 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4410 states and 7572 transitions. [2018-11-28 23:53:09,754 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 509 [2018-11-28 23:53:09,773 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4410 states to 1051 states and 1924 transitions. [2018-11-28 23:53:09,775 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 540 [2018-11-28 23:53:09,777 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 541 [2018-11-28 23:53:09,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1051 states and 1924 transitions. [2018-11-28 23:53:09,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 23:53:09,781 INFO L705 BuchiCegarLoop]: Abstraction has 1051 states and 1924 transitions. [2018-11-28 23:53:09,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states and 1924 transitions. [2018-11-28 23:53:09,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 542. [2018-11-28 23:53:09,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2018-11-28 23:53:09,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 989 transitions. [2018-11-28 23:53:09,858 INFO L728 BuchiCegarLoop]: Abstraction has 542 states and 989 transitions. [2018-11-28 23:53:09,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:53:09,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:53:09,864 INFO L87 Difference]: Start difference. First operand 542 states and 989 transitions. Second operand 3 states. [2018-11-28 23:53:10,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:53:10,156 INFO L93 Difference]: Finished difference Result 1064 states and 1943 transitions. [2018-11-28 23:53:10,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:53:10,159 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1064 states and 1943 transitions. [2018-11-28 23:53:10,170 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 510 [2018-11-28 23:53:10,181 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1064 states to 1064 states and 1943 transitions. [2018-11-28 23:53:10,181 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 552 [2018-11-28 23:53:10,183 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 552 [2018-11-28 23:53:10,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1064 states and 1943 transitions. [2018-11-28 23:53:10,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 23:53:10,194 INFO L705 BuchiCegarLoop]: Abstraction has 1064 states and 1943 transitions. [2018-11-28 23:53:10,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states and 1943 transitions. [2018-11-28 23:53:10,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 541. [2018-11-28 23:53:10,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2018-11-28 23:53:10,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 985 transitions. [2018-11-28 23:53:10,225 INFO L728 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2018-11-28 23:53:10,226 INFO L608 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2018-11-28 23:53:10,226 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:53:10,226 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 541 states and 985 transitions. [2018-11-28 23:53:10,230 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2018-11-28 23:53:10,230 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:53:10,230 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:53:10,232 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:53:10,232 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:53:10,232 INFO L794 eck$LassoCheckResult]: Stem: 7366#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.alloc(44);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(44);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(9);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(9);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(11);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(19);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string18.base, #t~string18.offset, 1);call write~init~int(100, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(10, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string21.base, #t~string21.offset, 1);call write~init~int(100, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(10, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(10);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(12);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(10);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(18);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(16);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string48.base, #t~string48.offset := #Ultimate.alloc(10);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(34);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(16);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(20);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(21);~head~0.base, ~head~0.offset := 0, 0;call #t~string104.base, #t~string104.offset := #Ultimate.alloc(30);call #t~string105.base, #t~string105.offset := #Ultimate.alloc(9);call #t~string106.base, #t~string106.offset := #Ultimate.alloc(21);call #t~string107.base, #t~string107.offset := #Ultimate.alloc(30);call #t~string108.base, #t~string108.offset := #Ultimate.alloc(9);call #t~string109.base, #t~string109.offset := #Ultimate.alloc(21);call #t~string113.base, #t~string113.offset := #Ultimate.alloc(30);call #t~string114.base, #t~string114.offset := #Ultimate.alloc(9);call #t~string115.base, #t~string115.offset := #Ultimate.alloc(25);call #t~string116.base, #t~string116.offset := #Ultimate.alloc(30);call #t~string117.base, #t~string117.offset := #Ultimate.alloc(9);call #t~string118.base, #t~string118.offset := #Ultimate.alloc(25);~in_encrypted~0 := 0;call #t~string121.base, #t~string121.offset := #Ultimate.alloc(17);call #t~string124.base, #t~string124.offset := #Ultimate.alloc(17);call #t~string126.base, #t~string126.offset := #Ultimate.alloc(13);call #t~string128.base, #t~string128.offset := #Ultimate.alloc(17);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;call #t~string134.base, #t~string134.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string134.base, #t~string134.offset, 1);call write~init~int(115, #t~string134.base, 1 + #t~string134.offset, 1);call write~init~int(10, #t~string134.base, 2 + #t~string134.offset, 1);call write~init~int(0, #t~string134.base, 3 + #t~string134.offset, 1); 7074#L-1 havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 7075#L2521 havoc valid_product_#res;havoc valid_product_~retValue_acc~31;havoc valid_product_~retValue_acc~31;valid_product_~retValue_acc~31 := 1;valid_product_#res := valid_product_~retValue_acc~31; 7403#L2529 main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 7198#L224 assume 0 != main_~tmp~1;havoc setup_#t~nondet8, setup_#t~nondet10, setup_#t~nondet12, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 7199#L2482 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7415#L2488-2 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 7071#L2047 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7072#L2053-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string7.base, #t~string7.offset;havoc setup_#t~nondet8;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 7402#L2482-2 assume !(1 == setClientId_~handle); 7502#L2485-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 7358#L2488-5 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 7359#L2047-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7407#L2053-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 7450#L2482-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7374#L2488-8 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 7399#L2047-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7375#L2053-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 7376#L211 havoc test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, test_#t~nondet84, test_#t~nondet85, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~14, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~14;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 7611#L998-1 assume !false; 7529#L850 [2018-11-28 23:53:10,233 INFO L796 eck$LassoCheckResult]: Loop: 7529#L850 assume test_~splverifierCounter~0 < 4; 7224#L851 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 7182#L857 assume !(0 == test_~op1~0); 7184#L870 assume !(0 == test_~op2~0); 7274#L881 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet77;havoc test_#t~nondet77; 7276#L886 assume 0 != test_~tmp___7~0;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := ~rjh~0, 0;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 7430#L2047-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7378#L2053-11 test_~op3~0 := 1; 7192#L998-1 assume !false; 7529#L850 [2018-11-28 23:53:10,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:53:10,233 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2018-11-28 23:53:10,233 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:53:10,233 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:53:10,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:53:10,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:53:10,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:53:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:53:10,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:53:10,580 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:53:10,580 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 23:53:10,580 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 23:53:10,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:53:10,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2018-11-28 23:53:10,581 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:53:10,581 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:53:10,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:53:10,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:53:10,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:53:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:53:10,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:53:10,975 WARN L180 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-11-28 23:53:11,197 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-11-28 23:53:11,198 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:53:11,198 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:53:11,199 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:53:11,199 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:53:11,199 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:53:11,199 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:53:11,199 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:53:11,199 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:53:11,200 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec8_product21_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 23:53:11,200 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:53:11,200 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:53:11,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:11,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:11,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:11,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:11,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:11,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:11,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:11,580 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:53:11,580 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:53:11,584 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:53:11,584 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 [2018-11-28 23:53:11,616 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:53:11,616 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:53:11,640 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:53:11,644 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:53:11,644 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:53:11,644 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:53:11,644 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:53:11,646 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:53:11,646 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:53:11,646 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:53:11,646 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:53:11,646 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec8_product21_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 23:53:11,646 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:53:11,647 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:53:11,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:11,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:11,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:11,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:11,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:11,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:11,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:12,198 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-11-28 23:53:12,518 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-28 23:53:12,941 WARN L180 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-28 23:53:13,199 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:53:13,199 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:53:13,199 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:53:13,200 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:53:13,200 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:53:13,201 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:53:13,201 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:53:13,201 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:53:13,202 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:53:13,202 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:53:13,206 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:53:13,209 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:53:13,209 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 23:53:13,209 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:53:13,210 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 23:53:13,210 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:53:13,210 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2018-11-28 23:53:13,210 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 23:53:13,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:53:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:53:13,529 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:53:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:53:13,578 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:53:13,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:53:13,781 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-11-28 23:53:13,781 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446 Second operand 4 states. [2018-11-28 23:53:13,891 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. [2018-11-28 23:53:13,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 23:53:13,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 23:53:13,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2018-11-28 23:53:13,894 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 9 letters. [2018-11-28 23:53:13,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:53:13,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 29 letters. Loop has 9 letters. [2018-11-28 23:53:13,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:53:13,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 18 letters. [2018-11-28 23:53:13,898 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:53:13,901 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1055 states and 1929 transitions. [2018-11-28 23:53:13,916 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:53:13,916 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1055 states to 0 states and 0 transitions. [2018-11-28 23:53:13,916 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:53:13,916 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:53:13,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:53:13,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:53:13,917 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:53:13,917 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:53:13,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 23:53:13,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 23:53:13,920 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2018-11-28 23:53:13,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:53:13,921 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-28 23:53:13,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 23:53:13,921 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-28 23:53:13,921 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:53:13,921 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 23:53:13,921 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:53:13,922 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:53:13,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:53:13,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:53:13,922 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:53:13,922 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:53:13,922 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:53:13,922 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 23:53:13,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 23:53:13,923 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:53:13,926 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 23:53:13,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:53:13 BoogieIcfgContainer [2018-11-28 23:53:13,937 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:53:13,937 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:53:13,937 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:53:13,938 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:53:13,939 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:53:07" (3/4) ... [2018-11-28 23:53:13,945 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:53:13,947 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:53:13,948 INFO L168 Benchmark]: Toolchain (without parser) took 14064.70 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 324.0 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -294.4 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-11-28 23:53:13,951 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:53:13,952 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1338.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -159.2 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:53:13,955 INFO L168 Benchmark]: Boogie Procedure Inliner took 197.08 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:53:13,956 INFO L168 Benchmark]: Boogie Preprocessor took 188.29 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:53:13,957 INFO L168 Benchmark]: RCFGBuilder took 5539.24 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 99.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -67.0 MB). Peak memory consumption was 287.2 MB. Max. memory is 11.5 GB. [2018-11-28 23:53:13,960 INFO L168 Benchmark]: BuchiAutomizer took 6783.53 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 84.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -95.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:53:13,962 INFO L168 Benchmark]: Witness Printer took 9.41 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. [2018-11-28 23:53:13,971 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 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1338.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -159.2 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 197.08 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 188.29 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5539.24 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 99.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -67.0 MB). Peak memory consumption was 287.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6783.53 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 84.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -95.3 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 9.41 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 6.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.5s. Construction of modules took 0.3s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1032 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 541 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4741 SDtfs, 4240 SDslu, 6191 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 47ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...