./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product31_false-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ace61df8-05d6-44b6-9a9f-ed63c2d9ce21/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ace61df8-05d6-44b6-9a9f-ed63c2d9ce21/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ace61df8-05d6-44b6-9a9f-ed63c2d9ce21/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ace61df8-05d6-44b6-9a9f-ed63c2d9ce21/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product31_false-unreach-call_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ace61df8-05d6-44b6-9a9f-ed63c2d9ce21/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ace61df8-05d6-44b6-9a9f-ed63c2d9ce21/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 576ddfaf1e59f9a3ae715c82285b55fc06272834 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:17:08,500 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:17:08,501 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:17:08,510 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:17:08,510 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:17:08,511 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:17:08,512 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:17:08,513 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:17:08,514 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:17:08,515 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:17:08,516 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:17:08,516 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:17:08,517 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:17:08,517 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:17:08,518 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:17:08,519 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:17:08,519 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:17:08,521 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:17:08,522 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:17:08,523 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:17:08,524 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:17:08,524 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:17:08,526 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:17:08,526 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:17:08,526 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:17:08,527 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:17:08,527 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:17:08,528 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:17:08,528 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:17:08,529 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:17:08,529 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:17:08,530 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:17:08,530 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:17:08,530 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:17:08,531 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:17:08,531 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:17:08,532 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ace61df8-05d6-44b6-9a9f-ed63c2d9ce21/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 11:17:08,541 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:17:08,542 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:17:08,542 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:17:08,543 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:17:08,543 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:17:08,543 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 11:17:08,543 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 11:17:08,543 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 11:17:08,543 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 11:17:08,543 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 11:17:08,543 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 11:17:08,544 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:17:08,544 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:17:08,544 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:17:08,544 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:17:08,544 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:17:08,544 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:17:08,544 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 11:17:08,544 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 11:17:08,545 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 11:17:08,545 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:17:08,545 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:17:08,545 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 11:17:08,545 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:17:08,545 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 11:17:08,545 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:17:08,545 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:17:08,546 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 11:17:08,546 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:17:08,546 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:17:08,546 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 11:17:08,547 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 11:17:08,547 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_ace61df8-05d6-44b6-9a9f-ed63c2d9ce21/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 -> 576ddfaf1e59f9a3ae715c82285b55fc06272834 [2018-11-28 11:17:08,569 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:17:08,579 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:17:08,581 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:17:08,582 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:17:08,583 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:17:08,583 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ace61df8-05d6-44b6-9a9f-ed63c2d9ce21/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/email_spec0_product31_false-unreach-call_true-termination.cil.c [2018-11-28 11:17:08,632 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ace61df8-05d6-44b6-9a9f-ed63c2d9ce21/bin-2019/uautomizer/data/9aa5e1e58/bad0532845754895b14bc987fa88d14a/FLAGb41c31d3d [2018-11-28 11:17:09,060 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:17:09,061 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ace61df8-05d6-44b6-9a9f-ed63c2d9ce21/sv-benchmarks/c/product-lines/email_spec0_product31_false-unreach-call_true-termination.cil.c [2018-11-28 11:17:09,074 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ace61df8-05d6-44b6-9a9f-ed63c2d9ce21/bin-2019/uautomizer/data/9aa5e1e58/bad0532845754895b14bc987fa88d14a/FLAGb41c31d3d [2018-11-28 11:17:09,083 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ace61df8-05d6-44b6-9a9f-ed63c2d9ce21/bin-2019/uautomizer/data/9aa5e1e58/bad0532845754895b14bc987fa88d14a [2018-11-28 11:17:09,085 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:17:09,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:17:09,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:17:09,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:17:09,089 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:17:09,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:17:09" (1/1) ... [2018-11-28 11:17:09,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@272dbe48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:09, skipping insertion in model container [2018-11-28 11:17:09,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:17:09" (1/1) ... [2018-11-28 11:17:09,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:17:09,138 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:17:09,488 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:17:09,498 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:17:09,580 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:17:09,646 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:17:09,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:09 WrapperNode [2018-11-28 11:17:09,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:17:09,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:17:09,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:17:09,647 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:17:09,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:09" (1/1) ... [2018-11-28 11:17:09,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:09" (1/1) ... [2018-11-28 11:17:09,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:17:09,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:17:09,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:17:09,741 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:17:09,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:09" (1/1) ... [2018-11-28 11:17:09,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:09" (1/1) ... [2018-11-28 11:17:09,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:09" (1/1) ... [2018-11-28 11:17:09,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:09" (1/1) ... [2018-11-28 11:17:09,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:09" (1/1) ... [2018-11-28 11:17:09,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:09" (1/1) ... [2018-11-28 11:17:09,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:09" (1/1) ... [2018-11-28 11:17:09,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:17:09,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:17:09,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:17:09,811 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:17:09,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ace61df8-05d6-44b6-9a9f-ed63c2d9ce21/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 [2018-11-28 11:17:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:17:09,864 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-28 11:17:09,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:17:09,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:17:09,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:17:11,168 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:17:11,168 INFO L280 CfgBuilder]: Removed 379 assue(true) statements. [2018-11-28 11:17:11,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:17:11 BoogieIcfgContainer [2018-11-28 11:17:11,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:17:11,169 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 11:17:11,169 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 11:17:11,172 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 11:17:11,173 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:17:11,173 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:17:09" (1/3) ... [2018-11-28 11:17:11,174 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6245568b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:17:11, skipping insertion in model container [2018-11-28 11:17:11,174 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:17:11,175 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:09" (2/3) ... [2018-11-28 11:17:11,175 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6245568b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:17:11, skipping insertion in model container [2018-11-28 11:17:11,175 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:17:11,175 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:17:11" (3/3) ... [2018-11-28 11:17:11,177 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec0_product31_false-unreach-call_true-termination.cil.c [2018-11-28 11:17:11,216 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:17:11,216 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 11:17:11,217 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 11:17:11,217 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 11:17:11,217 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:17:11,218 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:17:11,218 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 11:17:11,218 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:17:11,218 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 11:17:11,239 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 561 states. [2018-11-28 11:17:11,283 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2018-11-28 11:17:11,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:17:11,284 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:17:11,291 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:17:11,291 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 11:17:11,291 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 11:17:11,291 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 561 states. [2018-11-28 11:17:11,302 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2018-11-28 11:17:11,302 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:17:11,302 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:17:11,304 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:17:11,304 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 11:17:11,309 INFO L794 eck$LassoCheckResult]: Stem: 381#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string46.base, #t~string46.offset := #Ultimate.alloc(44);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(44);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(11);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(19);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string64.base, #t~string64.offset, 1);call write~init~int(100, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(10, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string67.base, #t~string67.offset, 1);call write~init~int(100, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(10, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string74.base, #t~string74.offset := #Ultimate.alloc(10);call #t~string80.base, #t~string80.offset := #Ultimate.alloc(16);call #t~string89.base, #t~string89.offset := #Ultimate.alloc(20);call #t~string92.base, #t~string92.offset := #Ultimate.alloc(21);call #t~string100.base, #t~string100.offset := #Ultimate.alloc(16);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;call #t~string107.base, #t~string107.offset := #Ultimate.alloc(10);call #t~string110.base, #t~string110.offset := #Ultimate.alloc(12);call #t~string113.base, #t~string113.offset := #Ultimate.alloc(10);call #t~string116.base, #t~string116.offset := #Ultimate.alloc(18);call #t~string119.base, #t~string119.offset := #Ultimate.alloc(16);call #t~string122.base, #t~string122.offset := #Ultimate.alloc(21);call #t~string125.base, #t~string125.offset := #Ultimate.alloc(13);call #t~string128.base, #t~string128.offset := #Ultimate.alloc(16);call #t~string131.base, #t~string131.offset := #Ultimate.alloc(25);call #t~string135.base, #t~string135.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string135.base, #t~string135.offset, 1);call write~init~int(115, #t~string135.base, 1 + #t~string135.offset, 1);call write~init~int(10, #t~string135.base, 2 + #t~string135.offset, 1);call write~init~int(0, #t~string135.base, 3 + #t~string135.offset, 1); 282#L-1true havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~14, main_~tmp~5;havoc main_~retValue_acc~14;havoc main_~tmp~5; 324#L1749true havoc valid_product_#res;havoc valid_product_~retValue_acc~21;havoc valid_product_~retValue_acc~21;valid_product_~retValue_acc~21 := 1;valid_product_#res := valid_product_~retValue_acc~21; 466#L1757true main_#t~ret59 := valid_product_#res;main_~tmp~5 := main_#t~ret59;havoc main_#t~ret59; 268#L1213true assume 0 != main_~tmp~5;havoc setup_#t~nondet54, setup_#t~nondet56, setup_#t~nondet58, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.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; 255#L2821true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 509#L2827-2true 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; 544#L2386true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 235#L2392-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string53.base, #t~string53.offset;havoc setup_#t~nondet54;~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; 246#L2821-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 519#L2827-5true 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; 557#L2386-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 222#L2392-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string55.base, #t~string55.offset;havoc setup_#t~nondet56;~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; 250#L2821-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 486#L2827-8true 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; 536#L2386-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 227#L2392-8true setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string57.base, #t~string57.offset;havoc setup_#t~nondet58; 399#L1200true havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 329#L1011-1true [2018-11-28 11:17:11,309 INFO L796 eck$LassoCheckResult]: Loop: 329#L1011-1true assume !false; 431#L866true assume test_~splverifierCounter~0 < 4; 530#L867true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 54#L873true assume !(0 == test_~op1~0); 133#L886true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet36;havoc test_#t~nondet36; 426#L891true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 329#L1011-1true [2018-11-28 11:17:11,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:17:11,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2018-11-28 11:17:11,320 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:17:11,321 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:17:11,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:11,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:17:11,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:17:11,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:17:11,502 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:17:11,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:17:11,506 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 11:17:11,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:17:11,507 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2018-11-28 11:17:11,507 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:17:11,507 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:17:11,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:11,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:17:11,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:17:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:17:11,627 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:17:11,627 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:17:11,628 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:17:11,628 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:17:11,628 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 11:17:11,628 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:17:11,628 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:17:11,628 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:17:11,628 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product31_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 11:17:11,629 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:17:11,629 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:17:11,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:17:11,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:17:11,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:17:11,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:17:11,725 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:17:11,726 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ace61df8-05d6-44b6-9a9f-ed63c2d9ce21/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 [2018-11-28 11:17:11,747 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:17:11,747 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ace61df8-05d6-44b6-9a9f-ed63c2d9ce21/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 [2018-11-28 11:17:11,771 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 11:17:11,771 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:17:11,776 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 11:17:11,798 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:17:11,799 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:17:11,799 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:17:11,799 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:17:11,799 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 11:17:11,799 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:17:11,799 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:17:11,799 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:17:11,799 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product31_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 11:17:11,799 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:17:11,800 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:17:11,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:17:11,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:17:11,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:17:11,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:17:11,867 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:17:11,870 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 11:17:11,871 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:17:11,873 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:17:11,873 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:17:11,873 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:17:11,873 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:17:11,873 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:17:11,875 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:17:11,875 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:17:11,879 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 11:17:11,883 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 11:17:11,883 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 11:17:11,884 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 11:17:11,885 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 11:17:11,885 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 11:17:11,886 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2018-11-28 11:17:11,887 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 11:17:11,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:17:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:17:12,010 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:17:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:17:12,038 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:17:12,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:17:12,076 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-28 11:17:12,077 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 561 states. Second operand 4 states. [2018-11-28 11:17:12,261 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 561 states.. Second operand 4 states. Result 2478 states and 4252 transitions. Complement of second has 7 states. [2018-11-28 11:17:12,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 11:17:12,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 11:17:12,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2418 transitions. [2018-11-28 11:17:12,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2418 transitions. Stem has 18 letters. Loop has 6 letters. [2018-11-28 11:17:12,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:17:12,267 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2418 transitions. Stem has 24 letters. Loop has 6 letters. [2018-11-28 11:17:12,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:17:12,268 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2418 transitions. Stem has 18 letters. Loop has 12 letters. [2018-11-28 11:17:12,268 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:17:12,269 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2478 states and 4252 transitions. [2018-11-28 11:17:12,283 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2018-11-28 11:17:12,293 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2478 states to 879 states and 1596 transitions. [2018-11-28 11:17:12,294 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 454 [2018-11-28 11:17:12,295 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 455 [2018-11-28 11:17:12,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 879 states and 1596 transitions. [2018-11-28 11:17:12,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 11:17:12,296 INFO L705 BuchiCegarLoop]: Abstraction has 879 states and 1596 transitions. [2018-11-28 11:17:12,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states and 1596 transitions. [2018-11-28 11:17:12,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 456. [2018-11-28 11:17:12,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2018-11-28 11:17:12,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 825 transitions. [2018-11-28 11:17:12,335 INFO L728 BuchiCegarLoop]: Abstraction has 456 states and 825 transitions. [2018-11-28 11:17:12,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:17:12,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:17:12,339 INFO L87 Difference]: Start difference. First operand 456 states and 825 transitions. Second operand 3 states. [2018-11-28 11:17:12,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:17:12,397 INFO L93 Difference]: Finished difference Result 892 states and 1615 transitions. [2018-11-28 11:17:12,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:17:12,398 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 892 states and 1615 transitions. [2018-11-28 11:17:12,402 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 424 [2018-11-28 11:17:12,406 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 892 states to 892 states and 1615 transitions. [2018-11-28 11:17:12,406 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 466 [2018-11-28 11:17:12,407 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 466 [2018-11-28 11:17:12,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 892 states and 1615 transitions. [2018-11-28 11:17:12,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 11:17:12,409 INFO L705 BuchiCegarLoop]: Abstraction has 892 states and 1615 transitions. [2018-11-28 11:17:12,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states and 1615 transitions. [2018-11-28 11:17:12,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 455. [2018-11-28 11:17:12,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2018-11-28 11:17:12,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 821 transitions. [2018-11-28 11:17:12,419 INFO L728 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2018-11-28 11:17:12,419 INFO L608 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2018-11-28 11:17:12,419 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 11:17:12,420 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 455 states and 821 transitions. [2018-11-28 11:17:12,421 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2018-11-28 11:17:12,421 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:17:12,421 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:17:12,422 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:17:12,422 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:17:12,423 INFO L794 eck$LassoCheckResult]: Stem: 4805#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string46.base, #t~string46.offset := #Ultimate.alloc(44);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(44);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(11);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(19);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string64.base, #t~string64.offset, 1);call write~init~int(100, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(10, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string67.base, #t~string67.offset, 1);call write~init~int(100, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(10, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string74.base, #t~string74.offset := #Ultimate.alloc(10);call #t~string80.base, #t~string80.offset := #Ultimate.alloc(16);call #t~string89.base, #t~string89.offset := #Ultimate.alloc(20);call #t~string92.base, #t~string92.offset := #Ultimate.alloc(21);call #t~string100.base, #t~string100.offset := #Ultimate.alloc(16);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;call #t~string107.base, #t~string107.offset := #Ultimate.alloc(10);call #t~string110.base, #t~string110.offset := #Ultimate.alloc(12);call #t~string113.base, #t~string113.offset := #Ultimate.alloc(10);call #t~string116.base, #t~string116.offset := #Ultimate.alloc(18);call #t~string119.base, #t~string119.offset := #Ultimate.alloc(16);call #t~string122.base, #t~string122.offset := #Ultimate.alloc(21);call #t~string125.base, #t~string125.offset := #Ultimate.alloc(13);call #t~string128.base, #t~string128.offset := #Ultimate.alloc(16);call #t~string131.base, #t~string131.offset := #Ultimate.alloc(25);call #t~string135.base, #t~string135.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string135.base, #t~string135.offset, 1);call write~init~int(115, #t~string135.base, 1 + #t~string135.offset, 1);call write~init~int(10, #t~string135.base, 2 + #t~string135.offset, 1);call write~init~int(0, #t~string135.base, 3 + #t~string135.offset, 1); 4558#L-1 havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~14, main_~tmp~5;havoc main_~retValue_acc~14;havoc main_~tmp~5; 4559#L1749 havoc valid_product_#res;havoc valid_product_~retValue_acc~21;havoc valid_product_~retValue_acc~21;valid_product_~retValue_acc~21 := 1;valid_product_#res := valid_product_~retValue_acc~21; 4644#L1757 main_#t~ret59 := valid_product_#res;main_~tmp~5 := main_#t~ret59;havoc main_#t~ret59; 4898#L1213 assume 0 != main_~tmp~5;havoc setup_#t~nondet54, setup_#t~nondet56, setup_#t~nondet58, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.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; 4940#L2821 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4815#L2827-2 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; 4935#L2386 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4867#L2392-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string53.base, #t~string53.offset;havoc setup_#t~nondet54;~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; 4937#L2821-2 assume !(1 == setClientId_~handle); 4823#L2824-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4824#L2827-5 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; 4936#L2386-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4803#L2392-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string55.base, #t~string55.offset;havoc setup_#t~nondet56;~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; 4934#L2821-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4777#L2827-8 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; 4909#L2386-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4826#L2392-8 setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string57.base, #t~string57.offset;havoc setup_#t~nondet58; 4834#L1200 havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 4835#L1011-1 assume !false; 4653#L866 [2018-11-28 11:17:12,423 INFO L796 eck$LassoCheckResult]: Loop: 4653#L866 assume test_~splverifierCounter~0 < 4; 4882#L867 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4665#L873 assume !(0 == test_~op1~0); 4667#L886 assume !(0 == test_~op2~0); 4846#L897 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet37;havoc test_#t~nondet37; 4848#L902 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; 4879#L2386-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4837#L2392-11 test_~op3~0 := 1; 4532#L1011-1 assume !false; 4653#L866 [2018-11-28 11:17:12,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:17:12,423 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2018-11-28 11:17:12,423 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:17:12,424 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:17:12,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:12,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:17:12,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:17:12,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:17:12,501 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:17:12,501 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:17:12,502 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 11:17:12,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:17:12,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2018-11-28 11:17:12,502 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:17:12,502 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:17:12,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:12,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:17:12,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:17:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:17:12,568 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:17:12,569 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:17:12,569 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:17:12,569 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:17:12,569 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 11:17:12,569 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:17:12,569 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:17:12,569 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:17:12,569 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product31_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 11:17:12,569 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:17:12,569 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:17:12,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:17:12,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:17:12,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:17:12,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:17:12,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:17:12,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:17:12,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:17:12,677 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:17:12,677 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ace61df8-05d6-44b6-9a9f-ed63c2d9ce21/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 [2018-11-28 11:17:12,679 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:17:12,679 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ace61df8-05d6-44b6-9a9f-ed63c2d9ce21/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 [2018-11-28 11:17:12,702 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 11:17:12,702 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:17:12,721 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 11:17:12,722 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:17:12,722 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:17:12,723 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:17:12,723 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:17:12,723 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 11:17:12,723 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:17:12,723 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:17:12,723 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:17:12,723 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product31_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 11:17:12,723 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:17:12,723 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:17:12,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:17:12,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:17:12,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:17:12,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:17:12,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:17:12,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:17:12,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:17:12,855 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:17:12,856 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 11:17:12,856 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:17:12,857 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:17:12,857 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:17:12,857 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:17:12,857 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:17:12,857 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:17:12,858 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:17:12,858 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:17:12,865 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:17:12,866 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:17:12,866 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:17:12,866 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:17:12,866 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:17:12,867 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:17:12,867 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:17:12,867 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:17:12,867 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:17:12,873 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 11:17:12,875 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 11:17:12,875 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 11:17:12,875 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 11:17:12,875 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 11:17:12,876 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 11:17:12,876 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2018-11-28 11:17:12,876 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 11:17:12,895 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:17:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:17:12,969 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:17:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:17:12,988 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:17:13,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:17:13,014 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-11-28 11:17:13,014 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368 Second operand 4 states. [2018-11-28 11:17:13,036 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368. Second operand 4 states. Result 883 states and 1601 transitions. Complement of second has 6 states. [2018-11-28 11:17:13,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 11:17:13,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 11:17:13,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2018-11-28 11:17:13,037 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 9 letters. [2018-11-28 11:17:13,038 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:17:13,038 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 29 letters. Loop has 9 letters. [2018-11-28 11:17:13,038 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:17:13,038 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 18 letters. [2018-11-28 11:17:13,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:17:13,039 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 883 states and 1601 transitions. [2018-11-28 11:17:13,043 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 11:17:13,043 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 883 states to 0 states and 0 transitions. [2018-11-28 11:17:13,044 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 11:17:13,044 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 11:17:13,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 11:17:13,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:17:13,044 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:17:13,044 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:17:13,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:17:13,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:17:13,045 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2018-11-28 11:17:13,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:17:13,045 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-28 11:17:13,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 11:17:13,045 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-28 11:17:13,045 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 11:17:13,045 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 11:17:13,045 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 11:17:13,045 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 11:17:13,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 11:17:13,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:17:13,046 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:17:13,046 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:17:13,046 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:17:13,046 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 11:17:13,046 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:17:13,046 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 11:17:13,046 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 11:17:13,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:17:13 BoogieIcfgContainer [2018-11-28 11:17:13,052 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 11:17:13,052 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:17:13,052 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:17:13,053 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:17:13,053 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:17:11" (3/4) ... [2018-11-28 11:17:13,056 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 11:17:13,056 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:17:13,057 INFO L168 Benchmark]: Toolchain (without parser) took 3971.39 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 239.6 MB). Free memory was 956.0 MB in the beginning and 913.7 MB in the end (delta: 42.3 MB). Peak memory consumption was 281.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:17:13,058 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:17:13,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 560.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -134.5 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:17:13,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:17:13,060 INFO L168 Benchmark]: Boogie Preprocessor took 70.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2018-11-28 11:17:13,061 INFO L168 Benchmark]: RCFGBuilder took 1357.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 848.0 MB in the end (delta: 222.2 MB). Peak memory consumption was 222.2 MB. Max. memory is 11.5 GB. [2018-11-28 11:17:13,061 INFO L168 Benchmark]: BuchiAutomizer took 1883.40 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.4 MB). Free memory was 848.0 MB in the beginning and 913.7 MB in the end (delta: -65.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:17:13,062 INFO L168 Benchmark]: Witness Printer took 4.05 ms. Allocated memory is still 1.3 GB. Free memory is still 913.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:17:13,065 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 560.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -134.5 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 93.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1357.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 848.0 MB in the end (delta: 222.2 MB). Peak memory consumption was 222.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1883.40 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.4 MB). Free memory was 848.0 MB in the beginning and 913.7 MB in the end (delta: -65.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.05 ms. Allocated memory is still 1.3 GB. Free memory is still 913.7 MB. 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 1.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 860 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 455 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 3139 SDtfs, 2720 SDslu, 3911 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: unsat Degree: 0 Time: 9ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...