./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/email_spec3_product25_false-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/email_spec3_product25_false-unreach-call_true-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4fba0526fa16c63a6b37c41b8e958cb93d5ec5bc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 23:28:02,738 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:28:02,740 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:28:02,753 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:28:02,753 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:28:02,754 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:28:02,755 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:28:02,758 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:28:02,759 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:28:02,760 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:28:02,761 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:28:02,761 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:28:02,763 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:28:02,764 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:28:02,765 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:28:02,766 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:28:02,767 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:28:02,769 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:28:02,771 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:28:02,773 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:28:02,774 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:28:02,776 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:28:02,779 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:28:02,779 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:28:02,779 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:28:02,780 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:28:02,782 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:28:02,783 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:28:02,784 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:28:02,785 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:28:02,785 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:28:02,786 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:28:02,786 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:28:02,786 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:28:02,788 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:28:02,789 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:28:02,789 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:28:02,809 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:28:02,809 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:28:02,810 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:28:02,814 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:28:02,814 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:28:02,814 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:28:02,814 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:28:02,815 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:28:02,815 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:28:02,815 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:28:02,815 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:28:02,815 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:28:02,815 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:28:02,818 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:28:02,818 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:28:02,819 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:28:02,819 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:28:02,819 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:28:02,819 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:28:02,819 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:28:02,820 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:28:02,820 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:28:02,820 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:28:02,820 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:28:02,820 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:28:02,820 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:28:02,823 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:28:02,824 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:28:02,824 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:28:02,824 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:28:02,825 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:28:02,827 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:28:02,827 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 -> 4fba0526fa16c63a6b37c41b8e958cb93d5ec5bc [2019-01-01 23:28:02,892 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:28:02,910 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:28:02,917 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:28:02,918 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:28:02,919 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:28:02,919 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/email_spec3_product25_false-unreach-call_true-termination.cil.c [2019-01-01 23:28:02,985 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a308a7f7/e384246b022a4812b9faad8125c086d7/FLAGde443a045 [2019-01-01 23:28:03,605 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:28:03,606 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/email_spec3_product25_false-unreach-call_true-termination.cil.c [2019-01-01 23:28:03,636 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a308a7f7/e384246b022a4812b9faad8125c086d7/FLAGde443a045 [2019-01-01 23:28:03,772 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a308a7f7/e384246b022a4812b9faad8125c086d7 [2019-01-01 23:28:03,776 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:28:03,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:28:03,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:28:03,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:28:03,784 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:28:03,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:28:03" (1/1) ... [2019-01-01 23:28:03,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d4725c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:28:03, skipping insertion in model container [2019-01-01 23:28:03,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:28:03" (1/1) ... [2019-01-01 23:28:03,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:28:03,884 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:28:04,592 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:28:04,621 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:28:04,828 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:28:04,915 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:28:04,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:28:04 WrapperNode [2019-01-01 23:28:04,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:28:04,917 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:28:04,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:28:04,918 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:28:04,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:28:04" (1/1) ... [2019-01-01 23:28:04,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:28:04" (1/1) ... [2019-01-01 23:28:05,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:28:05,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:28:05,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:28:05,133 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:28:05,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:28:04" (1/1) ... [2019-01-01 23:28:05,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:28:04" (1/1) ... [2019-01-01 23:28:05,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:28:04" (1/1) ... [2019-01-01 23:28:05,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:28:04" (1/1) ... [2019-01-01 23:28:05,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:28:04" (1/1) ... [2019-01-01 23:28:05,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:28:04" (1/1) ... [2019-01-01 23:28:05,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:28:04" (1/1) ... [2019-01-01 23:28:05,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:28:05,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:28:05,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:28:05,326 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:28:05,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:28:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:28:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-01-01 23:28:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:28:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:28:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:28:05,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:28:10,637 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:28:10,638 INFO L280 CfgBuilder]: Removed 681 assue(true) statements. [2019-01-01 23:28:10,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:28:10 BoogieIcfgContainer [2019-01-01 23:28:10,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:28:10,639 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:28:10,639 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:28:10,645 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:28:10,646 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:28:10,646 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:28:03" (1/3) ... [2019-01-01 23:28:10,648 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4723fdc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:28:10, skipping insertion in model container [2019-01-01 23:28:10,649 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:28:10,649 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:28:04" (2/3) ... [2019-01-01 23:28:10,649 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4723fdc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:28:10, skipping insertion in model container [2019-01-01 23:28:10,649 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:28:10,649 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:28:10" (3/3) ... [2019-01-01 23:28:10,651 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec3_product25_false-unreach-call_true-termination.cil.c [2019-01-01 23:28:10,708 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:28:10,709 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:28:10,709 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:28:10,709 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:28:10,709 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:28:10,710 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:28:10,710 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:28:10,710 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:28:10,710 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:28:10,758 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1014 states. [2019-01-01 23:28:10,848 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-01-01 23:28:10,849 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:28:10,849 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:28:10,862 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:28:10,862 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:28:10,862 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:28:10,862 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1014 states. [2019-01-01 23:28:10,875 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-01-01 23:28:10,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:28:10,876 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:28:10,879 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:28:10,879 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:28:10,887 INFO L794 eck$LassoCheckResult]: Stem: 326#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string35.base, #t~string35.offset, 1);call write~init~int(115, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(10, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 3 + #t~string35.offset, 1);~__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;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(10);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(34);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(16);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(20);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(21);~sent_signed~0 := -1;call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(13);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(16);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(15);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(16);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(10);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(12);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(10);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(18);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(13);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(16);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(25);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(44);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(44);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(9);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(9);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(11);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(19);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string131.base, #t~string131.offset, 1);call write~init~int(100, #t~string131.base, 1 + #t~string131.offset, 1);call write~init~int(10, #t~string131.base, 2 + #t~string131.offset, 1);call write~init~int(0, #t~string131.base, 3 + #t~string131.offset, 1);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string134.base, #t~string134.offset, 1);call write~init~int(100, #t~string134.base, 1 + #t~string134.offset, 1);call write~init~int(10, #t~string134.base, 2 + #t~string134.offset, 1);call write~init~int(0, #t~string134.base, 3 + #t~string134.offset, 1); 269#L-1true havoc main_#res;havoc main_#t~ret126, main_~retValue_acc~42, main_~tmp~19;havoc main_~retValue_acc~42;havoc main_~tmp~19; 320#L2180true havoc valid_product_#res;havoc valid_product_~retValue_acc~33;havoc valid_product_~retValue_acc~33;valid_product_~retValue_acc~33 := 1;valid_product_#res := valid_product_~retValue_acc~33; 995#L2188true main_#t~ret126 := valid_product_#res;main_~tmp~19 := main_#t~ret126;havoc main_#t~ret126; 623#L2835true assume 0 != main_~tmp~19;havoc setup_#t~nondet121, setup_#t~nondet123, setup_#t~nondet125, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 780#L2127true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 470#L2133-2true 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; 530#L1692true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 220#L1698-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string120.base, #t~string120.offset;havoc setup_#t~nondet121;~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; 772#L2127-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 483#L2133-5true 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; 531#L1692-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 198#L1698-5true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string122.base, #t~string122.offset;havoc setup_#t~nondet123;~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; 773#L2127-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 459#L2133-8true 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; 517#L1692-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 205#L1698-8true setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string124.base, #t~string124.offset;havoc setup_#t~nondet125; 34#L2822true havoc test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, 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~3, test_~tmp___0~0, test_~tmp___1~0, 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~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;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; 298#L1033-1true [2019-01-01 23:28:10,888 INFO L796 eck$LassoCheckResult]: Loop: 298#L1033-1true assume !false; 23#L885true assume test_~splverifierCounter~0 < 4; 76#L886true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 884#L892true assume !(0 == test_~op1~0); 225#L905true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet38;havoc test_#t~nondet38; 908#L910true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 298#L1033-1true [2019-01-01 23:28:10,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:28:10,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-01-01 23:28:10,905 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:28:10,905 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:28:10,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:28:10,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:28:10,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:28:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:28:11,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:28:11,378 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:28:11,378 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:28:11,383 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-01-01 23:28:11,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:28:11,383 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-01-01 23:28:11,384 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:28:11,384 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:28:11,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:28:11,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:28:11,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:28:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:28:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:28:11,640 WARN L181 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-01-01 23:28:11,840 WARN L181 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-01-01 23:28:11,865 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:28:11,866 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:28:11,870 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:28:11,870 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:28:11,870 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:28:11,870 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:28:11,870 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:28:11,871 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:28:11,871 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec3_product25_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2019-01-01 23:28:11,871 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:28:11,871 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:28:11,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:11,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:11,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:11,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:12,127 WARN L181 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-01 23:28:12,390 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:28:12,391 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:28:12,398 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:28:12,398 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:28:12,444 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:28:12,444 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:28:12,452 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 23:28:12,471 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:28:12,471 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:28:12,471 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:28:12,471 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:28:12,471 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:28:12,472 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:28:12,472 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:28:12,472 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:28:12,472 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec3_product25_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2019-01-01 23:28:12,472 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:28:12,472 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:28:12,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:12,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:12,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:12,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:12,691 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:28:12,695 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:28:12,697 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:28:12,699 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:28:12,699 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:28:12,700 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:28:12,700 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:28:12,700 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:28:12,703 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:28:12,703 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:28:12,707 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 23:28:12,713 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-01 23:28:12,713 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-01 23:28:12,715 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 23:28:12,716 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 23:28:12,717 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 23:28:12,717 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-01-01 23:28:12,718 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 23:28:12,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:28:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:28:13,041 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:28:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:28:13,114 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:28:13,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:28:13,281 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-01-01 23:28:13,283 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1014 states. Second operand 4 states. [2019-01-01 23:28:13,775 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1014 states.. Second operand 4 states. Result 4700 states and 8050 transitions. Complement of second has 7 states. [2019-01-01 23:28:13,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-01-01 23:28:13,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-01 23:28:13,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4676 transitions. [2019-01-01 23:28:13,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4676 transitions. Stem has 18 letters. Loop has 6 letters. [2019-01-01 23:28:13,792 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:28:13,793 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4676 transitions. Stem has 24 letters. Loop has 6 letters. [2019-01-01 23:28:13,794 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:28:13,795 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4676 transitions. Stem has 18 letters. Loop has 12 letters. [2019-01-01 23:28:13,796 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:28:13,797 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4700 states and 8050 transitions. [2019-01-01 23:28:13,855 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 509 [2019-01-01 23:28:13,874 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4700 states to 1051 states and 1924 transitions. [2019-01-01 23:28:13,876 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 540 [2019-01-01 23:28:13,878 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 541 [2019-01-01 23:28:13,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1051 states and 1924 transitions. [2019-01-01 23:28:13,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-01 23:28:13,883 INFO L705 BuchiCegarLoop]: Abstraction has 1051 states and 1924 transitions. [2019-01-01 23:28:13,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states and 1924 transitions. [2019-01-01 23:28:13,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 542. [2019-01-01 23:28:13,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2019-01-01 23:28:13,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 989 transitions. [2019-01-01 23:28:13,955 INFO L728 BuchiCegarLoop]: Abstraction has 542 states and 989 transitions. [2019-01-01 23:28:13,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 23:28:13,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 23:28:13,962 INFO L87 Difference]: Start difference. First operand 542 states and 989 transitions. Second operand 3 states. [2019-01-01 23:28:14,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:28:14,156 INFO L93 Difference]: Finished difference Result 1064 states and 1943 transitions. [2019-01-01 23:28:14,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 23:28:14,158 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1064 states and 1943 transitions. [2019-01-01 23:28:14,169 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 510 [2019-01-01 23:28:14,181 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1064 states to 1064 states and 1943 transitions. [2019-01-01 23:28:14,182 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 552 [2019-01-01 23:28:14,183 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 552 [2019-01-01 23:28:14,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1064 states and 1943 transitions. [2019-01-01 23:28:14,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-01 23:28:14,186 INFO L705 BuchiCegarLoop]: Abstraction has 1064 states and 1943 transitions. [2019-01-01 23:28:14,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states and 1943 transitions. [2019-01-01 23:28:14,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 541. [2019-01-01 23:28:14,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2019-01-01 23:28:14,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 985 transitions. [2019-01-01 23:28:14,220 INFO L728 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-01-01 23:28:14,220 INFO L608 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-01-01 23:28:14,221 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:28:14,221 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 541 states and 985 transitions. [2019-01-01 23:28:14,226 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-01-01 23:28:14,226 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:28:14,226 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:28:14,231 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:28:14,231 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:28:14,231 INFO L794 eck$LassoCheckResult]: Stem: 7744#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string35.base, #t~string35.offset, 1);call write~init~int(115, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(10, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 3 + #t~string35.offset, 1);~__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;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(10);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(34);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(16);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(20);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(21);~sent_signed~0 := -1;call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(13);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(16);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(15);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(16);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(10);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(12);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(10);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(18);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(13);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(16);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(25);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(44);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(44);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(9);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(9);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(11);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(19);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string131.base, #t~string131.offset, 1);call write~init~int(100, #t~string131.base, 1 + #t~string131.offset, 1);call write~init~int(10, #t~string131.base, 2 + #t~string131.offset, 1);call write~init~int(0, #t~string131.base, 3 + #t~string131.offset, 1);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string134.base, #t~string134.offset, 1);call write~init~int(100, #t~string134.base, 1 + #t~string134.offset, 1);call write~init~int(10, #t~string134.base, 2 + #t~string134.offset, 1);call write~init~int(0, #t~string134.base, 3 + #t~string134.offset, 1); 7443#L-1 havoc main_#res;havoc main_#t~ret126, main_~retValue_acc~42, main_~tmp~19;havoc main_~retValue_acc~42;havoc main_~tmp~19; 7444#L2180 havoc valid_product_#res;havoc valid_product_~retValue_acc~33;havoc valid_product_~retValue_acc~33;valid_product_~retValue_acc~33 := 1;valid_product_#res := valid_product_~retValue_acc~33; 7717#L2188 main_#t~ret126 := valid_product_#res;main_~tmp~19 := main_#t~ret126;havoc main_#t~ret126; 7738#L2835 assume 0 != main_~tmp~19;havoc setup_#t~nondet121, setup_#t~nondet123, setup_#t~nondet125, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 7739#L2127 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7817#L2133-2 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; 7952#L1692 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7848#L1698-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string120.base, #t~string120.offset;havoc setup_#t~nondet121;~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; 7959#L2127-2 assume !(1 == setClientId_~handle); 7837#L2130-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 7838#L2133-5 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; 7958#L1692-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7820#L1698-5 setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string122.base, #t~string122.offset;havoc setup_#t~nondet123;~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; 7953#L2127-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7767#L2133-8 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; 7941#L1692-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7831#L1698-8 setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string124.base, #t~string124.offset;havoc setup_#t~nondet125; 7679#L2822 havoc test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, 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~3, test_~tmp___0~0, test_~tmp___1~0, 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~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;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; 7680#L1033-1 assume !false; 7547#L885 [2019-01-01 23:28:14,232 INFO L796 eck$LassoCheckResult]: Loop: 7547#L885 assume test_~splverifierCounter~0 < 4; 7548#L886 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 7705#L892 assume !(0 == test_~op1~0); 7541#L905 assume !(0 == test_~op2~0); 7867#L916 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet39;havoc test_#t~nondet39; 7860#L921 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; 7861#L1692-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7769#L1698-11 test_~op3~0 := 1; 7452#L1033-1 assume !false; 7547#L885 [2019-01-01 23:28:14,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:28:14,232 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-01-01 23:28:14,232 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:28:14,232 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:28:14,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:28:14,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:28:14,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:28:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:28:14,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:28:14,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:28:14,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 23:28:14,454 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-01-01 23:28:14,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:28:14,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-01-01 23:28:14,455 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:28:14,455 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:28:14,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:28:14,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:28:14,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:28:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:28:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:28:14,658 WARN L181 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2019-01-01 23:28:14,787 WARN L181 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2019-01-01 23:28:14,791 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:28:14,791 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:28:14,791 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:28:14,791 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:28:14,791 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:28:14,792 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:28:14,792 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:28:14,792 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:28:14,792 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec3_product25_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2019-01-01 23:28:14,792 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:28:14,792 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:28:14,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:14,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:14,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:14,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:14,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:14,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:14,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:15,178 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:28:15,179 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:28:15,185 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:28:15,185 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:28:15,207 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:28:15,208 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:28:15,239 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 23:28:15,241 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:28:15,241 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:28:15,241 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:28:15,241 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:28:15,241 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:28:15,242 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:28:15,242 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:28:15,242 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:28:15,242 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec3_product25_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2019-01-01 23:28:15,242 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:28:15,242 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:28:15,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:15,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:15,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:15,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:15,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:15,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:15,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:15,629 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:28:15,629 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:28:15,630 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:28:15,630 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:28:15,631 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:28:15,631 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:28:15,631 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 23:28:15,631 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:28:15,635 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:28:15,635 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:28:15,639 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:28:15,640 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:28:15,641 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:28:15,641 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:28:15,641 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:28:15,641 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:28:15,641 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:28:15,644 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:28:15,644 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:28:15,647 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 23:28:15,649 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-01 23:28:15,650 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-01 23:28:15,650 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 23:28:15,651 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 23:28:15,651 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 23:28:15,651 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-01-01 23:28:15,651 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 23:28:15,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:28:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:28:15,845 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:28:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:28:15,887 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:28:16,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:28:16,076 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-01-01 23:28:16,076 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446 Second operand 4 states. [2019-01-01 23:28:16,179 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446. Second operand 4 states. Result 1055 states and 1929 transitions. Complement of second has 6 states. [2019-01-01 23:28:16,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-01-01 23:28:16,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-01 23:28:16,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2019-01-01 23:28:16,181 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 9 letters. [2019-01-01 23:28:16,182 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:28:16,182 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 29 letters. Loop has 9 letters. [2019-01-01 23:28:16,182 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:28:16,182 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 18 letters. [2019-01-01 23:28:16,183 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:28:16,183 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1055 states and 1929 transitions. [2019-01-01 23:28:16,193 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:28:16,193 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1055 states to 0 states and 0 transitions. [2019-01-01 23:28:16,193 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 23:28:16,193 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 23:28:16,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 23:28:16,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:28:16,194 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:28:16,194 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:28:16,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 23:28:16,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 23:28:16,194 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-01-01 23:28:16,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:28:16,195 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-01-01 23:28:16,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-01 23:28:16,195 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-01-01 23:28:16,195 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:28:16,195 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-01-01 23:28:16,195 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 23:28:16,196 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 23:28:16,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 23:28:16,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:28:16,196 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:28:16,196 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:28:16,196 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:28:16,196 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-01 23:28:16,196 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-01 23:28:16,196 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:28:16,196 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-01 23:28:16,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:28:16 BoogieIcfgContainer [2019-01-01 23:28:16,204 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:28:16,205 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:28:16,205 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:28:16,205 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:28:16,206 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:28:10" (3/4) ... [2019-01-01 23:28:16,210 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 23:28:16,210 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:28:16,211 INFO L168 Benchmark]: Toolchain (without parser) took 12434.24 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 338.7 MB). Free memory was 947.3 MB in the beginning and 1.2 GB in the end (delta: -261.2 MB). Peak memory consumption was 77.5 MB. Max. memory is 11.5 GB. [2019-01-01 23:28:16,212 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:28:16,213 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1137.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 56.7 MB. Max. memory is 11.5 GB. [2019-01-01 23:28:16,214 INFO L168 Benchmark]: Boogie Procedure Inliner took 215.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-01-01 23:28:16,215 INFO L168 Benchmark]: Boogie Preprocessor took 192.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-01-01 23:28:16,216 INFO L168 Benchmark]: RCFGBuilder took 5312.94 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 93.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -39.9 MB). Peak memory consumption was 279.1 MB. Max. memory is 11.5 GB. [2019-01-01 23:28:16,217 INFO L168 Benchmark]: BuchiAutomizer took 5565.30 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 92.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -91.5 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-01-01 23:28:16,218 INFO L168 Benchmark]: Witness Printer took 5.31 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:28:16,223 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 1137.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 56.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 215.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 192.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5312.94 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 93.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -39.9 MB). Peak memory consumption was 279.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5565.30 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 92.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -91.5 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.31 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.2s. Büchi inclusion checks took 1.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1032 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 541 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4925 SDtfs, 4424 SDslu, 6467 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms 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...