./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/email_spec27_product31_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_spec27_product31_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 6ef5fa63a6e1190b4acc75dad71feb7ffdb162c7 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:51:17,861 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:51:17,863 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:51:17,875 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:51:17,875 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:51:17,877 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:51:17,878 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:51:17,880 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:51:17,882 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:51:17,883 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:51:17,884 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:51:17,884 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:51:17,886 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:51:17,887 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:51:17,888 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:51:17,889 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:51:17,890 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:51:17,893 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:51:17,895 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:51:17,897 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:51:17,898 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:51:17,900 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:51:17,903 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:51:17,903 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:51:17,903 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:51:17,905 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:51:17,906 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:51:17,907 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:51:17,908 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:51:17,909 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:51:17,910 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:51:17,911 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:51:17,911 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:51:17,911 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:51:17,913 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:51:17,914 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:51:17,914 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:51:17,948 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:51:17,950 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:51:17,951 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:51:17,951 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:51:17,951 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:51:17,951 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:51:17,953 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:51:17,953 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:51:17,953 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:51:17,953 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:51:17,954 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:51:17,954 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:51:17,954 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:51:17,954 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:51:17,954 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:51:17,954 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:51:17,956 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:51:17,956 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:51:17,957 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:51:17,957 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:51:17,957 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:51:17,958 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:51:17,958 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:51:17,958 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:51:17,958 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:51:17,958 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:51:17,958 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:51:17,959 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:51:17,959 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:51:17,959 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:51:17,959 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:51:17,963 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:51:17,963 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 -> 6ef5fa63a6e1190b4acc75dad71feb7ffdb162c7 [2018-11-28 23:51:18,033 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:51:18,050 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:51:18,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:51:18,055 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:51:18,058 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:51:18,059 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/email_spec27_product31_false-unreach-call_true-termination.cil.c [2018-11-28 23:51:18,128 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac0f05f07/583326e3487c461f859df21de47df06f/FLAG877e5c0db [2018-11-28 23:51:18,799 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:51:18,800 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/email_spec27_product31_false-unreach-call_true-termination.cil.c [2018-11-28 23:51:18,826 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac0f05f07/583326e3487c461f859df21de47df06f/FLAG877e5c0db [2018-11-28 23:51:18,982 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac0f05f07/583326e3487c461f859df21de47df06f [2018-11-28 23:51:18,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:51:18,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:51:18,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:51:18,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:51:18,994 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:51:18,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:51:18" (1/1) ... [2018-11-28 23:51:19,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c9ac3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:18, skipping insertion in model container [2018-11-28 23:51:19,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:51:18" (1/1) ... [2018-11-28 23:51:19,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:51:19,101 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:51:19,858 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:51:19,878 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:51:20,135 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:51:20,253 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:51:20,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:20 WrapperNode [2018-11-28 23:51:20,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:51:20,255 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:51:20,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:51:20,255 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:51:20,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:20" (1/1) ... [2018-11-28 23:51:20,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:20" (1/1) ... [2018-11-28 23:51:20,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:51:20,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:51:20,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:51:20,421 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:51:20,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:20" (1/1) ... [2018-11-28 23:51:20,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:20" (1/1) ... [2018-11-28 23:51:20,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:20" (1/1) ... [2018-11-28 23:51:20,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:20" (1/1) ... [2018-11-28 23:51:20,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:20" (1/1) ... [2018-11-28 23:51:20,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:20" (1/1) ... [2018-11-28 23:51:20,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:20" (1/1) ... [2018-11-28 23:51:20,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:51:20,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:51:20,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:51:20,590 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:51:20,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:51:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:51:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-28 23:51:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 23:51:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:51:20,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:51:24,256 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:51:24,257 INFO L280 CfgBuilder]: Removed 379 assue(true) statements. [2018-11-28 23:51:24,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:51:24 BoogieIcfgContainer [2018-11-28 23:51:24,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:51:24,258 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:51:24,259 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:51:24,263 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:51:24,264 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:51:24,264 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:51:18" (1/3) ... [2018-11-28 23:51:24,266 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@293daaa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:51:24, skipping insertion in model container [2018-11-28 23:51:24,266 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:51:24,266 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:20" (2/3) ... [2018-11-28 23:51:24,266 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@293daaa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:51:24, skipping insertion in model container [2018-11-28 23:51:24,267 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:51:24,267 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:51:24" (3/3) ... [2018-11-28 23:51:24,269 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec27_product31_false-unreach-call_true-termination.cil.c [2018-11-28 23:51:24,337 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:51:24,338 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:51:24,338 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:51:24,338 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:51:24,338 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:51:24,338 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:51:24,338 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:51:24,339 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:51:24,339 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:51:24,380 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 583 states. [2018-11-28 23:51:24,447 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2018-11-28 23:51:24,447 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:51:24,447 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:51:24,458 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:51:24,458 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:51:24,459 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:51:24,459 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 583 states. [2018-11-28 23:51:24,478 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2018-11-28 23:51:24,479 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:51:24,479 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:51:24,483 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:51:24,483 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:51:24,494 INFO L794 eck$LassoCheckResult]: Stem: 398#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);~__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;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;call #t~string42.base, #t~string42.offset := #Ultimate.alloc(16);~head~0.base, ~head~0.offset := 0, 0;call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(21);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(21);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(30);call #t~string75.base, #t~string75.offset := #Ultimate.alloc(9);call #t~string76.base, #t~string76.offset := #Ultimate.alloc(25);call #t~string77.base, #t~string77.offset := #Ultimate.alloc(30);call #t~string78.base, #t~string78.offset := #Ultimate.alloc(9);call #t~string79.base, #t~string79.offset := #Ultimate.alloc(25);call #t~string82.base, #t~string82.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string82.base, #t~string82.offset, 1);call write~init~int(115, #t~string82.base, 1 + #t~string82.offset, 1);call write~init~int(10, #t~string82.base, 2 + #t~string82.offset, 1);call write~init~int(0, #t~string82.base, 3 + #t~string82.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string84.base, #t~string84.offset := #Ultimate.alloc(10);call #t~string90.base, #t~string90.offset := #Ultimate.alloc(16);call #t~string99.base, #t~string99.offset := #Ultimate.alloc(20);call #t~string102.base, #t~string102.offset := #Ultimate.alloc(21);call #t~string111.base, #t~string111.offset := #Ultimate.alloc(10);call #t~string114.base, #t~string114.offset := #Ultimate.alloc(12);call #t~string117.base, #t~string117.offset := #Ultimate.alloc(10);call #t~string120.base, #t~string120.offset := #Ultimate.alloc(18);call #t~string123.base, #t~string123.offset := #Ultimate.alloc(16);call #t~string126.base, #t~string126.offset := #Ultimate.alloc(21);call #t~string129.base, #t~string129.offset := #Ultimate.alloc(13);call #t~string132.base, #t~string132.offset := #Ultimate.alloc(16);call #t~string135.base, #t~string135.offset := #Ultimate.alloc(25); 305#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; 157#L376true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 323#L384true main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 396#L220true 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; 514#L1856true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 205#L1862-2true 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; 245#L1421true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 473#L1427-2true 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; 500#L1856-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 217#L1862-5true 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; 249#L1421-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 455#L1427-5true 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; 505#L1856-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 168#L1862-8true 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; 241#L1421-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 459#L1427-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 381#L207true havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, 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~5, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 439#L2058-1true [2018-11-28 23:51:24,495 INFO L796 eck$LassoCheckResult]: Loop: 439#L2058-1true assume !false; 572#L1913true assume test_~splverifierCounter~0 < 4; 380#L1914true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 32#L1920true assume !(0 == test_~op1~0); 513#L1933true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet32;havoc test_#t~nondet32; 393#L1938true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 439#L2058-1true [2018-11-28 23:51:24,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:51:24,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2018-11-28 23:51:24,505 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:51:24,506 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:51:24,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:51:24,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:51:24,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:51:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:51:24,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:51:24,884 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:51:24,884 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:51:24,888 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 23:51:24,889 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:51:24,889 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2018-11-28 23:51:24,889 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:51:24,889 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:51:24,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:51:24,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:51:24,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:51:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:51:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:51:25,137 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-28 23:51:25,253 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:51:25,255 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:51:25,255 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:51:25,255 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:51:25,255 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:51:25,255 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:51:25,256 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:51:25,256 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:51:25,256 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec27_product31_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 23:51:25,256 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:51:25,261 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:51:25,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:25,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:25,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:25,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:25,684 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-11-28 23:51:26,107 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-28 23:51:26,114 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:51:26,115 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:51:26,128 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:51:26,128 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:51:26,170 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:51:26,170 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:51:26,185 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:51:26,202 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:51:26,203 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:51:26,203 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:51:26,203 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:51:26,203 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:51:26,203 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:51:26,203 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:51:26,203 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:51:26,203 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec27_product31_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 23:51:26,204 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:51:26,204 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:51:26,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:26,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:26,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:26,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:26,340 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:51:26,346 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:51:26,347 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:51:26,349 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:51:26,349 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:51:26,350 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:51:26,350 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:51:26,350 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:51:26,353 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:51:26,353 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:51:26,361 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:51:26,362 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:51:26,362 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:51:26,362 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:51:26,363 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:51:26,363 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:51:26,363 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:51:26,364 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:51:26,364 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:51:26,368 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:51:26,377 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:51:26,377 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 23:51:26,379 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:51:26,379 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 23:51:26,379 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:51:26,382 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2018-11-28 23:51:26,383 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 23:51:26,431 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:51:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:51:26,582 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:51:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:51:26,630 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:51:26,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:51:26,792 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-28 23:51:26,794 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 583 states. Second operand 4 states. [2018-11-28 23:51:27,239 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 583 states.. Second operand 4 states. Result 2588 states and 4472 transitions. Complement of second has 7 states. [2018-11-28 23:51:27,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 23:51:27,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 23:51:27,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2550 transitions. [2018-11-28 23:51:27,250 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2550 transitions. Stem has 18 letters. Loop has 6 letters. [2018-11-28 23:51:27,253 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:51:27,253 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2550 transitions. Stem has 24 letters. Loop has 6 letters. [2018-11-28 23:51:27,254 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:51:27,254 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2550 transitions. Stem has 18 letters. Loop has 12 letters. [2018-11-28 23:51:27,254 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:51:27,257 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2588 states and 4472 transitions. [2018-11-28 23:51:27,297 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2018-11-28 23:51:27,323 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2588 states to 879 states and 1596 transitions. [2018-11-28 23:51:27,325 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 454 [2018-11-28 23:51:27,327 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 455 [2018-11-28 23:51:27,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 879 states and 1596 transitions. [2018-11-28 23:51:27,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 23:51:27,332 INFO L705 BuchiCegarLoop]: Abstraction has 879 states and 1596 transitions. [2018-11-28 23:51:27,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states and 1596 transitions. [2018-11-28 23:51:27,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 456. [2018-11-28 23:51:27,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2018-11-28 23:51:27,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 825 transitions. [2018-11-28 23:51:27,423 INFO L728 BuchiCegarLoop]: Abstraction has 456 states and 825 transitions. [2018-11-28 23:51:27,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:51:27,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:51:27,429 INFO L87 Difference]: Start difference. First operand 456 states and 825 transitions. Second operand 3 states. [2018-11-28 23:51:27,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:51:27,679 INFO L93 Difference]: Finished difference Result 892 states and 1615 transitions. [2018-11-28 23:51:27,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:51:27,681 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 892 states and 1615 transitions. [2018-11-28 23:51:27,689 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 424 [2018-11-28 23:51:27,698 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 892 states to 892 states and 1615 transitions. [2018-11-28 23:51:27,698 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 466 [2018-11-28 23:51:27,699 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 466 [2018-11-28 23:51:27,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 892 states and 1615 transitions. [2018-11-28 23:51:27,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 23:51:27,704 INFO L705 BuchiCegarLoop]: Abstraction has 892 states and 1615 transitions. [2018-11-28 23:51:27,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states and 1615 transitions. [2018-11-28 23:51:27,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 455. [2018-11-28 23:51:27,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2018-11-28 23:51:27,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 821 transitions. [2018-11-28 23:51:27,727 INFO L728 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2018-11-28 23:51:27,727 INFO L608 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2018-11-28 23:51:27,728 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:51:27,728 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 455 states and 821 transitions. [2018-11-28 23:51:27,732 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2018-11-28 23:51:27,732 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:51:27,732 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:51:27,736 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:51:27,737 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:51:27,738 INFO L794 eck$LassoCheckResult]: Stem: 4943#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);~__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;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;call #t~string42.base, #t~string42.offset := #Ultimate.alloc(16);~head~0.base, ~head~0.offset := 0, 0;call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(21);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(21);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(30);call #t~string75.base, #t~string75.offset := #Ultimate.alloc(9);call #t~string76.base, #t~string76.offset := #Ultimate.alloc(25);call #t~string77.base, #t~string77.offset := #Ultimate.alloc(30);call #t~string78.base, #t~string78.offset := #Ultimate.alloc(9);call #t~string79.base, #t~string79.offset := #Ultimate.alloc(25);call #t~string82.base, #t~string82.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string82.base, #t~string82.offset, 1);call write~init~int(115, #t~string82.base, 1 + #t~string82.offset, 1);call write~init~int(10, #t~string82.base, 2 + #t~string82.offset, 1);call write~init~int(0, #t~string82.base, 3 + #t~string82.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string84.base, #t~string84.offset := #Ultimate.alloc(10);call #t~string90.base, #t~string90.offset := #Ultimate.alloc(16);call #t~string99.base, #t~string99.offset := #Ultimate.alloc(20);call #t~string102.base, #t~string102.offset := #Ultimate.alloc(21);call #t~string111.base, #t~string111.offset := #Ultimate.alloc(10);call #t~string114.base, #t~string114.offset := #Ultimate.alloc(12);call #t~string117.base, #t~string117.offset := #Ultimate.alloc(10);call #t~string120.base, #t~string120.offset := #Ultimate.alloc(18);call #t~string123.base, #t~string123.offset := #Ultimate.alloc(16);call #t~string126.base, #t~string126.offset := #Ultimate.alloc(21);call #t~string129.base, #t~string129.offset := #Ultimate.alloc(13);call #t~string132.base, #t~string132.offset := #Ultimate.alloc(16);call #t~string135.base, #t~string135.offset := #Ultimate.alloc(25); 4640#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; 4641#L376 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 4706#L384 main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 4707#L220 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; 4932#L1856 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4783#L1862-2 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; 5043#L1421 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4853#L1427-2 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; 5048#L1856-2 assume !(1 == setClientId_~handle); 4807#L1859-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4808#L1862-5 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; 5045#L1421-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4788#L1427-5 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; 5044#L1856-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4817#L1862-8 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; 4986#L1421-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4801#L1427-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 4863#L207 havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, 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~5, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 4864#L2058-1 assume !false; 4958#L1913 [2018-11-28 23:51:27,744 INFO L796 eck$LassoCheckResult]: Loop: 4958#L1913 assume test_~splverifierCounter~0 < 4; 4850#L1914 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4712#L1920 assume !(0 == test_~op1~0); 4714#L1933 assume !(0 == test_~op2~0); 4898#L1944 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet33;havoc test_#t~nondet33; 4906#L1949 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; 4907#L1421-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4827#L1427-11 test_~op3~0 := 1; 4663#L2058-1 assume !false; 4958#L1913 [2018-11-28 23:51:27,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:51:27,744 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2018-11-28 23:51:27,744 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:51:27,744 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:51:27,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:51:27,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:51:27,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:51:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:51:28,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:51:28,056 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:51:28,056 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 23:51:28,060 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 23:51:28,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:51:28,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2018-11-28 23:51:28,060 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:51:28,060 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:51:28,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:51:28,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:51:28,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:51:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:51:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:51:28,254 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-11-28 23:51:28,302 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:51:28,302 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:51:28,302 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:51:28,302 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:51:28,302 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:51:28,302 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:51:28,302 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:51:28,302 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:51:28,303 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec27_product31_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 23:51:28,303 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:51:28,303 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:51:28,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:28,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:28,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:28,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:28,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:28,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:28,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:28,713 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:51:28,714 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:51:28,717 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:51:28,717 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 23:51:28,741 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:51:28,742 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:51:28,765 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:51:28,767 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:51:28,767 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:51:28,767 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:51:28,767 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:51:28,768 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:51:28,768 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:51:28,768 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:51:28,768 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:51:28,768 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec27_product31_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 23:51:28,768 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:51:28,768 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:51:28,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:28,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:28,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:28,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:28,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:28,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:28,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:29,047 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:51:29,047 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:51:29,048 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:51:29,048 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:51:29,049 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:51:29,049 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:51:29,049 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:51:29,049 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:51:29,052 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:51:29,052 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:51:29,056 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:51:29,059 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:51:29,059 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 23:51:29,060 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:51:29,061 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 23:51:29,061 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:51:29,061 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2018-11-28 23:51:29,061 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 23:51:29,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:51:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:51:29,240 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:51:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:51:29,280 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:51:29,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:51:29,523 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-11-28 23:51:29,523 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368 Second operand 4 states. [2018-11-28 23:51:29,621 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368. Second operand 4 states. Result 883 states and 1601 transitions. Complement of second has 6 states. [2018-11-28 23:51:29,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 23:51:29,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 23:51:29,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2018-11-28 23:51:29,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 9 letters. [2018-11-28 23:51:29,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:51:29,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 29 letters. Loop has 9 letters. [2018-11-28 23:51:29,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:51:29,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 18 letters. [2018-11-28 23:51:29,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:51:29,628 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 883 states and 1601 transitions. [2018-11-28 23:51:29,637 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:51:29,638 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 883 states to 0 states and 0 transitions. [2018-11-28 23:51:29,638 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:51:29,638 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:51:29,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:51:29,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:51:29,638 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:51:29,638 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:51:29,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 23:51:29,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 23:51:29,641 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2018-11-28 23:51:29,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:51:29,641 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-28 23:51:29,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 23:51:29,641 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-28 23:51:29,641 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:51:29,642 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 23:51:29,643 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:51:29,643 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:51:29,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:51:29,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:51:29,644 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:51:29,644 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:51:29,644 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:51:29,644 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 23:51:29,644 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 23:51:29,644 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:51:29,644 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 23:51:29,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:51:29 BoogieIcfgContainer [2018-11-28 23:51:29,655 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:51:29,655 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:51:29,655 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:51:29,655 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:51:29,657 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:51:24" (3/4) ... [2018-11-28 23:51:29,662 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:51:29,663 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:51:29,663 INFO L168 Benchmark]: Toolchain (without parser) took 10676.35 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 226.0 MB). Free memory was 942.0 MB in the beginning and 885.9 MB in the end (delta: 56.1 MB). Peak memory consumption was 282.0 MB. Max. memory is 11.5 GB. [2018-11-28 23:51:29,665 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:51:29,666 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1264.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. [2018-11-28 23:51:29,667 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.12 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-28 23:51:29,669 INFO L168 Benchmark]: Boogie Preprocessor took 168.88 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-28 23:51:29,670 INFO L168 Benchmark]: RCFGBuilder took 3668.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 831.5 MB in the end (delta: 230.8 MB). Peak memory consumption was 230.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:51:29,671 INFO L168 Benchmark]: BuchiAutomizer took 5396.34 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.9 MB). Free memory was 831.5 MB in the beginning and 894.0 MB in the end (delta: -62.6 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-28 23:51:29,673 INFO L168 Benchmark]: Witness Printer took 7.43 ms. Allocated memory is still 1.3 GB. Free memory was 894.0 MB in the beginning and 885.9 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. [2018-11-28 23:51:29,679 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1264.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 165.12 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 168.88 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3668.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 831.5 MB in the end (delta: 230.8 MB). Peak memory consumption was 230.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5396.34 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.9 MB). Free memory was 831.5 MB in the beginning and 894.0 MB in the end (delta: -62.6 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Witness Printer took 7.43 ms. Allocated memory is still 1.3 GB. Free memory was 894.0 MB in the beginning and 885.9 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.3s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 860 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 455 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 3227 SDtfs, 2808 SDslu, 4043 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...