./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product12_true-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f6d9e313-855a-4138-8731-d82b15d88fd7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f6d9e313-855a-4138-8731-d82b15d88fd7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f6d9e313-855a-4138-8731-d82b15d88fd7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f6d9e313-855a-4138-8731-d82b15d88fd7/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product12_true-unreach-call_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f6d9e313-855a-4138-8731-d82b15d88fd7/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f6d9e313-855a-4138-8731-d82b15d88fd7/bin-2019/uautomizer --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 122860f60c237ba0e5aaff00f5b5723e95eecabf ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 20:19:32,687 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 20:19:32,688 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 20:19:32,694 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 20:19:32,694 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 20:19:32,694 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 20:19:32,695 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 20:19:32,696 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 20:19:32,697 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 20:19:32,697 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 20:19:32,697 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 20:19:32,698 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 20:19:32,698 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 20:19:32,699 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 20:19:32,699 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 20:19:32,700 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 20:19:32,700 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 20:19:32,701 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 20:19:32,702 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 20:19:32,702 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 20:19:32,703 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 20:19:32,703 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 20:19:32,704 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 20:19:32,705 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 20:19:32,705 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 20:19:32,705 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 20:19:32,706 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 20:19:32,706 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 20:19:32,706 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 20:19:32,707 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 20:19:32,707 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 20:19:32,707 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 20:19:32,707 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 20:19:32,707 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 20:19:32,708 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 20:19:32,708 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 20:19:32,708 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f6d9e313-855a-4138-8731-d82b15d88fd7/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-01 20:19:32,716 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 20:19:32,716 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 20:19:32,717 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 20:19:32,717 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 20:19:32,717 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 20:19:32,717 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-01 20:19:32,717 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-01 20:19:32,717 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-01 20:19:32,717 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-01 20:19:32,717 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-01 20:19:32,717 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-01 20:19:32,717 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 20:19:32,718 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 20:19:32,718 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 20:19:32,718 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 20:19:32,718 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 20:19:32,718 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 20:19:32,718 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-01 20:19:32,718 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-01 20:19:32,718 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-01 20:19:32,718 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 20:19:32,718 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 20:19:32,718 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-01 20:19:32,719 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 20:19:32,719 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-01 20:19:32,719 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 20:19:32,719 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 20:19:32,719 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-01 20:19:32,719 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 20:19:32,719 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 20:19:32,719 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-01 20:19:32,720 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-01 20:19:32,720 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_f6d9e313-855a-4138-8731-d82b15d88fd7/bin-2019/uautomizer 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 -> 122860f60c237ba0e5aaff00f5b5723e95eecabf [2018-12-01 20:19:32,736 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 20:19:32,742 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 20:19:32,744 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 20:19:32,745 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 20:19:32,745 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 20:19:32,746 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f6d9e313-855a-4138-8731-d82b15d88fd7/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/email_spec9_product12_true-unreach-call_true-termination.cil.c [2018-12-01 20:19:32,779 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6d9e313-855a-4138-8731-d82b15d88fd7/bin-2019/uautomizer/data/461f12a23/5ed1d0eb1495473ca506d0d7b7193ac2/FLAG6411087e0 [2018-12-01 20:19:33,285 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 20:19:33,286 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f6d9e313-855a-4138-8731-d82b15d88fd7/sv-benchmarks/c/product-lines/email_spec9_product12_true-unreach-call_true-termination.cil.c [2018-12-01 20:19:33,294 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6d9e313-855a-4138-8731-d82b15d88fd7/bin-2019/uautomizer/data/461f12a23/5ed1d0eb1495473ca506d0d7b7193ac2/FLAG6411087e0 [2018-12-01 20:19:33,304 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f6d9e313-855a-4138-8731-d82b15d88fd7/bin-2019/uautomizer/data/461f12a23/5ed1d0eb1495473ca506d0d7b7193ac2 [2018-12-01 20:19:33,307 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 20:19:33,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 20:19:33,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 20:19:33,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 20:19:33,311 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 20:19:33,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 08:19:33" (1/1) ... [2018-12-01 20:19:33,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42ab9d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:19:33, skipping insertion in model container [2018-12-01 20:19:33,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 08:19:33" (1/1) ... [2018-12-01 20:19:33,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 20:19:33,353 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 20:19:33,621 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 20:19:33,631 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 20:19:33,689 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 20:19:33,721 INFO L195 MainTranslator]: Completed translation [2018-12-01 20:19:33,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:19:33 WrapperNode [2018-12-01 20:19:33,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 20:19:33,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 20:19:33,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 20:19:33,722 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 20:19:33,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:19:33" (1/1) ... [2018-12-01 20:19:33,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:19:33" (1/1) ... [2018-12-01 20:19:33,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 20:19:33,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 20:19:33,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 20:19:33,777 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 20:19:33,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:19:33" (1/1) ... [2018-12-01 20:19:33,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:19:33" (1/1) ... [2018-12-01 20:19:33,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:19:33" (1/1) ... [2018-12-01 20:19:33,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:19:33" (1/1) ... [2018-12-01 20:19:33,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:19:33" (1/1) ... [2018-12-01 20:19:33,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:19:33" (1/1) ... [2018-12-01 20:19:33,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:19:33" (1/1) ... [2018-12-01 20:19:33,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 20:19:33,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 20:19:33,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 20:19:33,824 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 20:19:33,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:19:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6d9e313-855a-4138-8731-d82b15d88fd7/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 20:19:33,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 20:19:33,862 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-12-01 20:19:33,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 20:19:33,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 20:19:33,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 20:19:34,670 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 20:19:34,670 INFO L280 CfgBuilder]: Removed 231 assue(true) statements. [2018-12-01 20:19:34,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:19:34 BoogieIcfgContainer [2018-12-01 20:19:34,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 20:19:34,671 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-01 20:19:34,671 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-01 20:19:34,673 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-01 20:19:34,674 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 20:19:34,674 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 08:19:33" (1/3) ... [2018-12-01 20:19:34,675 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b2701df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 08:19:34, skipping insertion in model container [2018-12-01 20:19:34,675 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 20:19:34,675 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:19:33" (2/3) ... [2018-12-01 20:19:34,675 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b2701df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 08:19:34, skipping insertion in model container [2018-12-01 20:19:34,675 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 20:19:34,675 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:19:34" (3/3) ... [2018-12-01 20:19:34,676 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec9_product12_true-unreach-call_true-termination.cil.c [2018-12-01 20:19:34,708 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 20:19:34,708 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-01 20:19:34,708 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-01 20:19:34,709 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-01 20:19:34,709 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 20:19:34,709 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 20:19:34,709 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-01 20:19:34,709 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 20:19:34,709 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-01 20:19:34,722 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 381 states. [2018-12-01 20:19:34,747 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2018-12-01 20:19:34,747 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 20:19:34,747 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 20:19:34,752 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 20:19:34,753 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-12-01 20:19:34,753 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-01 20:19:34,753 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 381 states. [2018-12-01 20:19:34,758 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2018-12-01 20:19:34,758 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 20:19:34,758 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 20:19:34,759 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 20:19:34,759 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-12-01 20:19:34,763 INFO L794 eck$LassoCheckResult]: Stem: 205#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~in_encrypted~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.alloc(17);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(17);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(17);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string10.base, #t~string10.offset, 1);call write~init~int(115, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(10, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 3 + #t~string10.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string13.base, #t~string13.offset := #Ultimate.alloc(10);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(16);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(20);~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string29.base, #t~string29.offset := #Ultimate.alloc(44);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(44);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(11);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(19);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string48.base, #t~string48.offset, 1);call write~init~int(100, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(10, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string51.base, #t~string51.offset, 1);call write~init~int(100, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(10, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string76.base, #t~string76.offset := #Ultimate.alloc(30);call #t~string77.base, #t~string77.offset := #Ultimate.alloc(9);call #t~string78.base, #t~string78.offset := #Ultimate.alloc(21);call #t~string79.base, #t~string79.offset := #Ultimate.alloc(30);call #t~string80.base, #t~string80.offset := #Ultimate.alloc(9);call #t~string81.base, #t~string81.offset := #Ultimate.alloc(21);call #t~string85.base, #t~string85.offset := #Ultimate.alloc(30);call #t~string86.base, #t~string86.offset := #Ultimate.alloc(9);call #t~string87.base, #t~string87.offset := #Ultimate.alloc(25);call #t~string88.base, #t~string88.offset := #Ultimate.alloc(30);call #t~string89.base, #t~string89.offset := #Ultimate.alloc(9);call #t~string90.base, #t~string90.offset := #Ultimate.alloc(25);call #t~string94.base, #t~string94.offset := #Ultimate.alloc(10);call #t~string97.base, #t~string97.offset := #Ultimate.alloc(12);call #t~string100.base, #t~string100.offset := #Ultimate.alloc(10);call #t~string103.base, #t~string103.offset := #Ultimate.alloc(18);call #t~string106.base, #t~string106.offset := #Ultimate.alloc(16);call #t~string109.base, #t~string109.offset := #Ultimate.alloc(21);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0; 23#L-1true havoc main_#res;havoc main_#t~nondet42, main_#t~ret43, main_~retValue_acc~19, main_~tmp~8;main_~retValue_acc~19 := main_#t~nondet42;havoc main_#t~nondet42;havoc main_~tmp~8; 154#L138true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 328#L146true main_#t~ret43 := valid_product_#res;main_~tmp~8 := main_#t~ret43;havoc main_#t~ret43; 157#L958true assume 0 != main_~tmp~8;havoc setup_#t~nondet37, setup_#t~nondet39, setup_#t~nondet41, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.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_tmp3~3.base, setup_~__cil_tmp3~3.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; 139#L2613true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 57#L2619-2true 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; 130#L2178true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 99#L2184-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string36.base, #t~string36.offset;havoc setup_#t~nondet37;~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; 115#L2613-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 69#L2619-5true 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; 140#L2178-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 56#L2184-5true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string38.base, #t~string38.offset;havoc setup_#t~nondet39;~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; 124#L2613-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 24#L2619-8true 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; 116#L2178-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 82#L2184-8true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string40.base, #t~string40.offset;havoc setup_#t~nondet41; 123#L945true havoc test_#t~nondet115, test_#t~nondet116, test_#t~nondet117, test_#t~nondet118, test_#t~nondet119, test_#t~nondet120, test_#t~nondet121, test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, 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~18, test_~tmp___0~6, test_~tmp___1~3, test_~tmp___2~2, 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~18;havoc test_~tmp___0~6;havoc test_~tmp___1~3;havoc test_~tmp___2~2;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; 38#L2812-1true [2018-12-01 20:19:34,763 INFO L796 eck$LassoCheckResult]: Loop: 38#L2812-1true assume !false; 184#L2670true assume test_~splverifierCounter~0 < 4; 307#L2671true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 259#L2677true assume !(0 == test_~op1~0); 131#L2690true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet116;havoc test_#t~nondet116; 335#L2695true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 38#L2812-1true [2018-12-01 20:19:34,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 20:19:34,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2018-12-01 20:19:34,769 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 20:19:34,770 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 20:19:34,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 20:19:34,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 20:19:34,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 20:19:34,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:34,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:19:34,936 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 20:19:34,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 20:19:34,938 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-12-01 20:19:34,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 20:19:34,939 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2018-12-01 20:19:34,939 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 20:19:34,939 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 20:19:34,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 20:19:34,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 20:19:34,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 20:19:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 20:19:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 20:19:35,029 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 20:19:35,030 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 20:19:35,030 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 20:19:35,030 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 20:19:35,030 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-01 20:19:35,030 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 20:19:35,030 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 20:19:35,030 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 20:19:35,031 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec9_product12_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-12-01 20:19:35,031 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 20:19:35,031 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 20:19:35,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 20:19:35,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 20:19:35,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 20:19:35,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 20:19:35,129 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 20:19:35,130 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6d9e313-855a-4138-8731-d82b15d88fd7/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 20:19:35,134 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 20:19:35,134 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6d9e313-855a-4138-8731-d82b15d88fd7/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 20:19:35,152 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-01 20:19:35,152 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 20:19:35,157 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-01 20:19:35,171 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 20:19:35,171 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 20:19:35,171 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 20:19:35,171 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 20:19:35,171 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-01 20:19:35,171 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 20:19:35,172 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 20:19:35,172 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 20:19:35,172 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec9_product12_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-12-01 20:19:35,172 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 20:19:35,172 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 20:19:35,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 20:19:35,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 20:19:35,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 20:19:35,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 20:19:35,223 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 20:19:35,226 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-01 20:19:35,227 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 20:19:35,228 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 20:19:35,228 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 20:19:35,229 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 20:19:35,229 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 20:19:35,229 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 20:19:35,230 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 20:19:35,230 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 20:19:35,233 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-01 20:19:35,235 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-01 20:19:35,236 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-12-01 20:19:35,237 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-01 20:19:35,237 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-01 20:19:35,237 INFO L518 LassoAnalysis]: Proved termination. [2018-12-01 20:19:35,238 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2018-12-01 20:19:35,239 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-01 20:19:35,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 20:19:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:35,327 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 20:19:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:35,345 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 20:19:35,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:19:35,368 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-12-01 20:19:35,369 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 381 states. Second operand 4 states. [2018-12-01 20:19:35,488 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 381 states.. Second operand 4 states. Result 1582 states and 2774 transitions. Complement of second has 7 states. [2018-12-01 20:19:35,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-12-01 20:19:35,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-01 20:19:35,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1534 transitions. [2018-12-01 20:19:35,492 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1534 transitions. Stem has 18 letters. Loop has 6 letters. [2018-12-01 20:19:35,493 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 20:19:35,493 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1534 transitions. Stem has 24 letters. Loop has 6 letters. [2018-12-01 20:19:35,493 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 20:19:35,493 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1534 transitions. Stem has 18 letters. Loop has 12 letters. [2018-12-01 20:19:35,493 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 20:19:35,494 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1582 states and 2774 transitions. [2018-12-01 20:19:35,503 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 415 [2018-12-01 20:19:35,510 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1582 states to 863 states and 1568 transitions. [2018-12-01 20:19:35,510 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 446 [2018-12-01 20:19:35,511 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 447 [2018-12-01 20:19:35,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 863 states and 1568 transitions. [2018-12-01 20:19:35,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-01 20:19:35,512 INFO L705 BuchiCegarLoop]: Abstraction has 863 states and 1568 transitions. [2018-12-01 20:19:35,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states and 1568 transitions. [2018-12-01 20:19:35,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 448. [2018-12-01 20:19:35,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2018-12-01 20:19:35,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 811 transitions. [2018-12-01 20:19:35,544 INFO L728 BuchiCegarLoop]: Abstraction has 448 states and 811 transitions. [2018-12-01 20:19:35,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 20:19:35,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 20:19:35,547 INFO L87 Difference]: Start difference. First operand 448 states and 811 transitions. Second operand 3 states. [2018-12-01 20:19:35,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 20:19:35,581 INFO L93 Difference]: Finished difference Result 876 states and 1587 transitions. [2018-12-01 20:19:35,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 20:19:35,582 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 876 states and 1587 transitions. [2018-12-01 20:19:35,585 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 416 [2018-12-01 20:19:35,588 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 876 states to 876 states and 1587 transitions. [2018-12-01 20:19:35,588 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 458 [2018-12-01 20:19:35,588 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 458 [2018-12-01 20:19:35,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 876 states and 1587 transitions. [2018-12-01 20:19:35,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-01 20:19:35,589 INFO L705 BuchiCegarLoop]: Abstraction has 876 states and 1587 transitions. [2018-12-01 20:19:35,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states and 1587 transitions. [2018-12-01 20:19:35,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 447. [2018-12-01 20:19:35,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2018-12-01 20:19:35,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 807 transitions. [2018-12-01 20:19:35,597 INFO L728 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2018-12-01 20:19:35,597 INFO L608 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2018-12-01 20:19:35,597 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-01 20:19:35,597 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 447 states and 807 transitions. [2018-12-01 20:19:35,598 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2018-12-01 20:19:35,598 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 20:19:35,598 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 20:19:35,599 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 20:19:35,599 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 20:19:35,599 INFO L794 eck$LassoCheckResult]: Stem: 3769#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~in_encrypted~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.alloc(17);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(17);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(17);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string10.base, #t~string10.offset, 1);call write~init~int(115, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(10, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 3 + #t~string10.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string13.base, #t~string13.offset := #Ultimate.alloc(10);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(16);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(20);~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string29.base, #t~string29.offset := #Ultimate.alloc(44);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(44);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(11);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(19);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string48.base, #t~string48.offset, 1);call write~init~int(100, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(10, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string51.base, #t~string51.offset, 1);call write~init~int(100, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(10, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string76.base, #t~string76.offset := #Ultimate.alloc(30);call #t~string77.base, #t~string77.offset := #Ultimate.alloc(9);call #t~string78.base, #t~string78.offset := #Ultimate.alloc(21);call #t~string79.base, #t~string79.offset := #Ultimate.alloc(30);call #t~string80.base, #t~string80.offset := #Ultimate.alloc(9);call #t~string81.base, #t~string81.offset := #Ultimate.alloc(21);call #t~string85.base, #t~string85.offset := #Ultimate.alloc(30);call #t~string86.base, #t~string86.offset := #Ultimate.alloc(9);call #t~string87.base, #t~string87.offset := #Ultimate.alloc(25);call #t~string88.base, #t~string88.offset := #Ultimate.alloc(30);call #t~string89.base, #t~string89.offset := #Ultimate.alloc(9);call #t~string90.base, #t~string90.offset := #Ultimate.alloc(25);call #t~string94.base, #t~string94.offset := #Ultimate.alloc(10);call #t~string97.base, #t~string97.offset := #Ultimate.alloc(12);call #t~string100.base, #t~string100.offset := #Ultimate.alloc(10);call #t~string103.base, #t~string103.offset := #Ultimate.alloc(18);call #t~string106.base, #t~string106.offset := #Ultimate.alloc(16);call #t~string109.base, #t~string109.offset := #Ultimate.alloc(21);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0; 3464#L-1 havoc main_#res;havoc main_#t~nondet42, main_#t~ret43, main_~retValue_acc~19, main_~tmp~8;main_~retValue_acc~19 := main_#t~nondet42;havoc main_#t~nondet42;havoc main_~tmp~8; 3465#L138 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 3705#L146 main_#t~ret43 := valid_product_#res;main_~tmp~8 := main_#t~ret43;havoc main_#t~ret43; 3710#L958 assume 0 != main_~tmp~8;havoc setup_#t~nondet37, setup_#t~nondet39, setup_#t~nondet41, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.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_tmp3~3.base, setup_~__cil_tmp3~3.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; 3670#L2613 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3562#L2619-2 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; 3563#L2178 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3619#L2184-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string36.base, #t~string36.offset;havoc setup_#t~nondet37;~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; 3621#L2613-2 assume !(1 == setClientId_~handle); 3641#L2616-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 3574#L2619-5 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; 3575#L2178-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3560#L2184-5 setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string38.base, #t~string38.offset;havoc setup_#t~nondet39;~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; 3561#L2613-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3466#L2619-8 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; 3467#L2178-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3565#L2184-8 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string40.base, #t~string40.offset;havoc setup_#t~nondet41; 3591#L945 havoc test_#t~nondet115, test_#t~nondet116, test_#t~nondet117, test_#t~nondet118, test_#t~nondet119, test_#t~nondet120, test_#t~nondet121, test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, 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~18, test_~tmp___0~6, test_~tmp___1~3, test_~tmp___2~2, 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~18;havoc test_~tmp___0~6;havoc test_~tmp___1~3;havoc test_~tmp___2~2;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; 3643#L2812-1 assume !false; 3502#L2670 [2018-12-01 20:19:35,599 INFO L796 eck$LassoCheckResult]: Loop: 3502#L2670 assume test_~splverifierCounter~0 < 4; 3751#L2671 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 3818#L2677 assume !(0 == test_~op1~0); 3660#L2690 assume !(0 == test_~op2~0); 3661#L2701 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet117;havoc test_#t~nondet117; 3667#L2706 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; 3645#L2178-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3496#L2184-11 test_~op3~0 := 1; 3422#L2812-1 assume !false; 3502#L2670 [2018-12-01 20:19:35,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 20:19:35,599 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2018-12-01 20:19:35,599 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 20:19:35,599 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 20:19:35,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 20:19:35,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 20:19:35,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 20:19:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:35,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:19:35,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 20:19:35,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 20:19:35,636 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-12-01 20:19:35,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 20:19:35,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2018-12-01 20:19:35,636 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 20:19:35,636 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 20:19:35,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 20:19:35,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 20:19:35,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 20:19:35,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 20:19:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 20:19:35,687 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 20:19:35,687 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 20:19:35,687 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 20:19:35,687 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 20:19:35,687 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-01 20:19:35,687 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 20:19:35,687 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 20:19:35,687 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 20:19:35,688 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec9_product12_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-12-01 20:19:35,688 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 20:19:35,688 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 20:19:35,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 20:19:35,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 20:19:35,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 20:19:35,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 20:19:35,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 20:19:35,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 20:19:35,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 20:19:35,781 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 20:19:35,781 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6d9e313-855a-4138-8731-d82b15d88fd7/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 20:19:35,783 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 20:19:35,783 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6d9e313-855a-4138-8731-d82b15d88fd7/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 20:19:35,801 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-01 20:19:35,802 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 20:19:35,818 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-01 20:19:35,819 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 20:19:35,819 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 20:19:35,819 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 20:19:35,819 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 20:19:35,819 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-01 20:19:35,819 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 20:19:35,819 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 20:19:35,820 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 20:19:35,820 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec9_product12_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-12-01 20:19:35,820 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 20:19:35,820 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 20:19:35,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 20:19:35,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 20:19:35,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 20:19:35,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 20:19:35,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 20:19:35,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 20:19:35,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 20:19:35,917 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 20:19:35,917 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-01 20:19:35,917 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 20:19:35,917 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 20:19:35,917 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 20:19:35,917 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 20:19:35,918 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 20:19:35,918 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 20:19:35,918 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 20:19:35,918 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 20:19:35,920 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-01 20:19:35,921 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-01 20:19:35,921 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-12-01 20:19:35,921 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-01 20:19:35,922 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-01 20:19:35,922 INFO L518 LassoAnalysis]: Proved termination. [2018-12-01 20:19:35,922 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2018-12-01 20:19:35,922 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-01 20:19:35,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 20:19:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:35,984 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 20:19:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:35,999 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 20:19:36,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:19:36,034 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-12-01 20:19:36,034 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362 Second operand 4 states. [2018-12-01 20:19:36,050 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362. Second operand 4 states. Result 867 states and 1573 transitions. Complement of second has 6 states. [2018-12-01 20:19:36,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-12-01 20:19:36,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-01 20:19:36,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 426 transitions. [2018-12-01 20:19:36,052 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 9 letters. [2018-12-01 20:19:36,052 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 20:19:36,052 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 29 letters. Loop has 9 letters. [2018-12-01 20:19:36,052 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 20:19:36,052 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 18 letters. [2018-12-01 20:19:36,052 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 20:19:36,052 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 867 states and 1573 transitions. [2018-12-01 20:19:36,055 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-01 20:19:36,055 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 867 states to 0 states and 0 transitions. [2018-12-01 20:19:36,055 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-01 20:19:36,055 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-01 20:19:36,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-01 20:19:36,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 20:19:36,056 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 20:19:36,056 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 20:19:36,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 20:19:36,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 20:19:36,056 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2018-12-01 20:19:36,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 20:19:36,056 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-12-01 20:19:36,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 20:19:36,056 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-12-01 20:19:36,056 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-01 20:19:36,056 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 20:19:36,056 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-01 20:19:36,057 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-01 20:19:36,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-01 20:19:36,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 20:19:36,057 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 20:19:36,057 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 20:19:36,057 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 20:19:36,057 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-01 20:19:36,057 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-01 20:19:36,057 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-01 20:19:36,057 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-01 20:19:36,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 08:19:36 BoogieIcfgContainer [2018-12-01 20:19:36,061 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-01 20:19:36,061 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 20:19:36,061 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 20:19:36,061 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 20:19:36,062 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:19:34" (3/4) ... [2018-12-01 20:19:36,064 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 20:19:36,064 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 20:19:36,065 INFO L168 Benchmark]: Toolchain (without parser) took 2757.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -185.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 20:19:36,066 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 20:19:36,066 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -110.0 MB). Peak memory consumption was 46.2 MB. Max. memory is 11.5 GB. [2018-12-01 20:19:36,066 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-01 20:19:36,066 INFO L168 Benchmark]: Boogie Preprocessor took 46.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-12-01 20:19:36,067 INFO L168 Benchmark]: RCFGBuilder took 847.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 873.4 MB in the end (delta: 173.9 MB). Peak memory consumption was 173.9 MB. Max. memory is 11.5 GB. [2018-12-01 20:19:36,067 INFO L168 Benchmark]: BuchiAutomizer took 1390.21 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 873.4 MB in the beginning and 1.1 GB in the end (delta: -269.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 20:19:36,067 INFO L168 Benchmark]: Witness Printer took 2.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 20:19:36,069 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 412.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -110.0 MB). Peak memory consumption was 46.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 847.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 873.4 MB in the end (delta: 173.9 MB). Peak memory consumption was 173.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1390.21 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 873.4 MB in the beginning and 1.1 GB in the end (delta: -269.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 2.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 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 1.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 844 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 447 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2524 SDtfs, 2112 SDslu, 2999 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 11ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...