./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec4_product17_true-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_52d96c4f-081a-4632-9167-3214f56d47cd/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_52d96c4f-081a-4632-9167-3214f56d47cd/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_52d96c4f-081a-4632-9167-3214f56d47cd/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_52d96c4f-081a-4632-9167-3214f56d47cd/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec4_product17_true-unreach-call_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_52d96c4f-081a-4632-9167-3214f56d47cd/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_52d96c4f-081a-4632-9167-3214f56d47cd/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 7af8ad422af6600f55f50a552d60e7a7e68bb712 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:21:21,447 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:21:21,449 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:21:21,456 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:21:21,456 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:21:21,457 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:21:21,458 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:21:21,459 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:21:21,460 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:21:21,461 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:21:21,462 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:21:21,462 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:21:21,463 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:21:21,463 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:21:21,464 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:21:21,465 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:21:21,465 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:21:21,467 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:21:21,468 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:21:21,469 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:21:21,470 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:21:21,471 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:21:21,472 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:21:21,473 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:21:21,473 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:21:21,473 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:21:21,474 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:21:21,475 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:21:21,475 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:21:21,476 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:21:21,476 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:21:21,477 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:21:21,477 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:21:21,477 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:21:21,478 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:21:21,478 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:21:21,478 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_52d96c4f-081a-4632-9167-3214f56d47cd/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 12:21:21,489 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:21:21,489 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:21:21,490 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:21:21,490 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:21:21,490 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:21:21,494 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 12:21:21,494 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 12:21:21,494 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 12:21:21,494 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 12:21:21,494 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 12:21:21,494 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 12:21:21,495 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:21:21,495 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:21:21,495 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:21:21,495 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:21:21,495 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:21:21,495 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:21:21,495 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 12:21:21,496 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 12:21:21,496 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 12:21:21,496 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:21:21,496 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:21:21,496 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 12:21:21,496 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:21:21,496 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 12:21:21,497 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:21:21,497 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:21:21,497 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 12:21:21,497 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:21:21,497 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:21:21,497 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 12:21:21,498 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 12:21:21,498 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_52d96c4f-081a-4632-9167-3214f56d47cd/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 -> 7af8ad422af6600f55f50a552d60e7a7e68bb712 [2018-11-28 12:21:21,522 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:21:21,529 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:21:21,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:21:21,532 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:21:21,532 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:21:21,533 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_52d96c4f-081a-4632-9167-3214f56d47cd/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/email_spec4_product17_true-unreach-call_true-termination.cil.c [2018-11-28 12:21:21,566 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_52d96c4f-081a-4632-9167-3214f56d47cd/bin-2019/uautomizer/data/264cc00b1/30e9cc791ace44e394e85dfe24514836/FLAG969c163c0 [2018-11-28 12:21:22,049 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:21:22,050 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_52d96c4f-081a-4632-9167-3214f56d47cd/sv-benchmarks/c/product-lines/email_spec4_product17_true-unreach-call_true-termination.cil.c [2018-11-28 12:21:22,062 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_52d96c4f-081a-4632-9167-3214f56d47cd/bin-2019/uautomizer/data/264cc00b1/30e9cc791ace44e394e85dfe24514836/FLAG969c163c0 [2018-11-28 12:21:22,075 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_52d96c4f-081a-4632-9167-3214f56d47cd/bin-2019/uautomizer/data/264cc00b1/30e9cc791ace44e394e85dfe24514836 [2018-11-28 12:21:22,077 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:21:22,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:21:22,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:21:22,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:21:22,082 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:21:22,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:22" (1/1) ... [2018-11-28 12:21:22,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d641da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:22, skipping insertion in model container [2018-11-28 12:21:22,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:22" (1/1) ... [2018-11-28 12:21:22,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:21:22,136 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:21:22,499 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:21:22,511 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:21:22,584 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:21:22,637 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:21:22,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:22 WrapperNode [2018-11-28 12:21:22,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:21:22,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:21:22,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:21:22,639 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:21:22,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:22" (1/1) ... [2018-11-28 12:21:22,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:22" (1/1) ... [2018-11-28 12:21:22,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:21:22,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:21:22,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:21:22,740 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:21:22,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:22" (1/1) ... [2018-11-28 12:21:22,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:22" (1/1) ... [2018-11-28 12:21:22,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:22" (1/1) ... [2018-11-28 12:21:22,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:22" (1/1) ... [2018-11-28 12:21:22,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:22" (1/1) ... [2018-11-28 12:21:22,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:22" (1/1) ... [2018-11-28 12:21:22,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:22" (1/1) ... [2018-11-28 12:21:22,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:21:22,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:21:22,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:21:22,823 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:21:22,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d96c4f-081a-4632-9167-3214f56d47cd/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 12:21:22,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:21:22,867 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-28 12:21:22,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:21:22,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:21:22,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:21:24,196 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:21:24,196 INFO L280 CfgBuilder]: Removed 437 assue(true) statements. [2018-11-28 12:21:24,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:24 BoogieIcfgContainer [2018-11-28 12:21:24,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:21:24,197 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 12:21:24,197 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 12:21:24,200 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 12:21:24,201 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:21:24,201 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 12:21:22" (1/3) ... [2018-11-28 12:21:24,202 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b8c124c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:21:24, skipping insertion in model container [2018-11-28 12:21:24,202 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:21:24,203 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:22" (2/3) ... [2018-11-28 12:21:24,203 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b8c124c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:21:24, skipping insertion in model container [2018-11-28 12:21:24,203 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:21:24,203 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:24" (3/3) ... [2018-11-28 12:21:24,205 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec4_product17_true-unreach-call_true-termination.cil.c [2018-11-28 12:21:24,237 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:21:24,238 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 12:21:24,238 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 12:21:24,238 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 12:21:24,238 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:21:24,238 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:21:24,238 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 12:21:24,239 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:21:24,239 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 12:21:24,262 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 716 states. [2018-11-28 12:21:24,323 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2018-11-28 12:21:24,323 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:21:24,323 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:21:24,331 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 12:21:24,331 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:21:24,331 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 12:21:24,331 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 716 states. [2018-11-28 12:21:24,339 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2018-11-28 12:21:24,339 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:21:24,339 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:21:24,340 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 12:21:24,340 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:21:24,345 INFO L794 eck$LassoCheckResult]: Stem: 509#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.alloc(13);~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string6.base, #t~string6.offset := #Ultimate.alloc(44);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(44);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(9);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(9);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(11);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(19);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string24.base, #t~string24.offset, 1);call write~init~int(100, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(10, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string27.base, #t~string27.offset, 1);call write~init~int(100, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(10, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string34.base, #t~string34.offset := #Ultimate.alloc(10);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(34);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(16);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(20);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string60.base, #t~string60.offset, 1);call write~init~int(115, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(10, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(10);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(12);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(10);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(18);call #t~string75.base, #t~string75.offset := #Ultimate.alloc(13);call #t~string78.base, #t~string78.offset := #Ultimate.alloc(16);call #t~string81.base, #t~string81.offset := #Ultimate.alloc(25);~head~0.base, ~head~0.offset := 0, 0;call #t~string112.base, #t~string112.offset := #Ultimate.alloc(30);call #t~string113.base, #t~string113.offset := #Ultimate.alloc(9);call #t~string114.base, #t~string114.offset := #Ultimate.alloc(21);call #t~string115.base, #t~string115.offset := #Ultimate.alloc(30);call #t~string116.base, #t~string116.offset := #Ultimate.alloc(9);call #t~string117.base, #t~string117.offset := #Ultimate.alloc(21);call #t~string121.base, #t~string121.offset := #Ultimate.alloc(30);call #t~string122.base, #t~string122.offset := #Ultimate.alloc(9);call #t~string123.base, #t~string123.offset := #Ultimate.alloc(25);call #t~string124.base, #t~string124.offset := #Ultimate.alloc(30);call #t~string125.base, #t~string125.offset := #Ultimate.alloc(9);call #t~string126.base, #t~string126.offset := #Ultimate.alloc(25); 372#L-1true havoc main_#res;havoc main_#t~ret19, main_~retValue_acc~17, main_~tmp~4;havoc main_~retValue_acc~17;havoc main_~tmp~4; 120#L1787true havoc valid_product_#res;havoc valid_product_~retValue_acc~24;havoc valid_product_~retValue_acc~24;valid_product_~retValue_acc~24 := 1;valid_product_#res := valid_product_~retValue_acc~24; 452#L1795true main_#t~ret19 := valid_product_#res;main_~tmp~4 := main_#t~ret19;havoc main_#t~ret19; 506#L1321true assume 0 != main_~tmp~4;havoc setup_#t~nondet14, setup_#t~nondet16, setup_#t~nondet18, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.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_tmp3~1.base, setup_~__cil_tmp3~1.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; 440#L1143true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 64#L1149-2true 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; 89#L708true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 393#L714-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string13.base, #t~string13.offset;havoc setup_#t~nondet14;~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; 445#L1143-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 49#L1149-5true 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; 96#L708-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 404#L714-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string15.base, #t~string15.offset;havoc setup_#t~nondet16;~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; 422#L1143-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 57#L1149-8true 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; 104#L708-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 385#L714-8true setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string17.base, #t~string17.offset;havoc setup_#t~nondet18; 450#L1308true havoc test_#t~nondet83, test_#t~nondet84, test_#t~nondet85, test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_#t~nondet90, test_#t~nondet91, test_#t~nondet92, test_#t~nondet93, 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~16, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, 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~16;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;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; 294#L2511-1true [2018-11-28 12:21:24,346 INFO L796 eck$LassoCheckResult]: Loop: 294#L2511-1true assume !false; 373#L2366true assume test_~splverifierCounter~0 < 4; 524#L2367true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 137#L2373true assume !(0 == test_~op1~0); 691#L2386true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet84;havoc test_#t~nondet84; 212#L2391true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 294#L2511-1true [2018-11-28 12:21:24,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:21:24,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2018-11-28 12:21:24,357 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:21:24,358 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:21:24,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:21:24,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:21:24,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:21:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:21:24,549 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 12:21:24,550 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:21:24,551 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:21:24,553 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 12:21:24,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:21:24,553 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2018-11-28 12:21:24,554 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:21:24,554 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:21:24,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:21:24,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:21:24,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:21:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:21:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:21:24,626 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:21:24,626 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:21:24,626 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:21:24,627 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:21:24,627 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 12:21:24,627 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:21:24,627 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:21:24,627 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:21:24,627 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec4_product17_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 12:21:24,627 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:21:24,628 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:21:24,643 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 12:21:24,649 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 12:21:24,659 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 12:21:24,663 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 12:21:24,722 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:21:24,722 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d96c4f-081a-4632-9167-3214f56d47cd/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 12:21:24,735 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:21:24,735 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d96c4f-081a-4632-9167-3214f56d47cd/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 12:21:24,760 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 12:21:24,760 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:21:24,770 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 12:21:24,794 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:21:24,794 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:21:24,794 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:21:24,794 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:21:24,794 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 12:21:24,794 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:21:24,795 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:21:24,795 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:21:24,795 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec4_product17_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 12:21:24,795 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:21:24,795 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:21:24,796 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 12:21:24,814 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 12:21:24,817 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 12:21:24,821 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 12:21:24,859 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:21:24,862 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 12:21:24,864 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 12:21:24,865 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:21:24,865 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:21:24,865 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:21:24,866 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 12:21:24,866 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:21:24,867 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:21:24,868 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:21:24,874 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:21:24,874 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 12:21:24,875 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:21:24,875 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:21:24,875 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:21:24,875 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:21:24,875 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:21:24,876 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:21:24,876 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:21:24,879 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 12:21:24,883 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 12:21:24,883 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 12:21:24,884 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 12:21:24,884 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 12:21:24,885 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 12:21:24,885 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 12:21:24,886 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 12:21:24,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:21:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:21:24,986 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:21:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:21:25,010 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:21:25,037 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 12:21:25,046 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 12:21:25,047 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 716 states. Second operand 4 states. [2018-11-28 12:21:25,220 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 716 states.. Second operand 4 states. Result 3214 states and 5634 transitions. Complement of second has 7 states. [2018-11-28 12:21:25,221 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 12:21:25,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 12:21:25,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3222 transitions. [2018-11-28 12:21:25,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3222 transitions. Stem has 18 letters. Loop has 6 letters. [2018-11-28 12:21:25,227 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:21:25,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3222 transitions. Stem has 24 letters. Loop has 6 letters. [2018-11-28 12:21:25,227 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:21:25,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3222 transitions. Stem has 18 letters. Loop has 12 letters. [2018-11-28 12:21:25,228 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:21:25,229 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3214 states and 5634 transitions. [2018-11-28 12:21:25,245 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 501 [2018-11-28 12:21:25,254 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3214 states to 1035 states and 1896 transitions. [2018-11-28 12:21:25,255 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 532 [2018-11-28 12:21:25,256 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 533 [2018-11-28 12:21:25,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1035 states and 1896 transitions. [2018-11-28 12:21:25,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 12:21:25,257 INFO L705 BuchiCegarLoop]: Abstraction has 1035 states and 1896 transitions. [2018-11-28 12:21:25,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states and 1896 transitions. [2018-11-28 12:21:25,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 534. [2018-11-28 12:21:25,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2018-11-28 12:21:25,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 975 transitions. [2018-11-28 12:21:25,296 INFO L728 BuchiCegarLoop]: Abstraction has 534 states and 975 transitions. [2018-11-28 12:21:25,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:21:25,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:21:25,299 INFO L87 Difference]: Start difference. First operand 534 states and 975 transitions. Second operand 3 states. [2018-11-28 12:21:25,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:21:25,353 INFO L93 Difference]: Finished difference Result 1048 states and 1915 transitions. [2018-11-28 12:21:25,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:21:25,354 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1048 states and 1915 transitions. [2018-11-28 12:21:25,358 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 502 [2018-11-28 12:21:25,361 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1048 states to 1048 states and 1915 transitions. [2018-11-28 12:21:25,362 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 544 [2018-11-28 12:21:25,362 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 544 [2018-11-28 12:21:25,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1048 states and 1915 transitions. [2018-11-28 12:21:25,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 12:21:25,363 INFO L705 BuchiCegarLoop]: Abstraction has 1048 states and 1915 transitions. [2018-11-28 12:21:25,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states and 1915 transitions. [2018-11-28 12:21:25,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 533. [2018-11-28 12:21:25,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2018-11-28 12:21:25,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 971 transitions. [2018-11-28 12:21:25,373 INFO L728 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2018-11-28 12:21:25,373 INFO L608 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2018-11-28 12:21:25,373 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 12:21:25,373 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 533 states and 971 transitions. [2018-11-28 12:21:25,374 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2018-11-28 12:21:25,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:21:25,375 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:21:25,375 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 12:21:25,376 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:21:25,376 INFO L794 eck$LassoCheckResult]: Stem: 6054#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.alloc(13);~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string6.base, #t~string6.offset := #Ultimate.alloc(44);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(44);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(9);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(9);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(11);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(19);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string24.base, #t~string24.offset, 1);call write~init~int(100, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(10, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string27.base, #t~string27.offset, 1);call write~init~int(100, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(10, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string34.base, #t~string34.offset := #Ultimate.alloc(10);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(34);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(16);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(20);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string60.base, #t~string60.offset, 1);call write~init~int(115, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(10, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(10);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(12);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(10);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(18);call #t~string75.base, #t~string75.offset := #Ultimate.alloc(13);call #t~string78.base, #t~string78.offset := #Ultimate.alloc(16);call #t~string81.base, #t~string81.offset := #Ultimate.alloc(25);~head~0.base, ~head~0.offset := 0, 0;call #t~string112.base, #t~string112.offset := #Ultimate.alloc(30);call #t~string113.base, #t~string113.offset := #Ultimate.alloc(9);call #t~string114.base, #t~string114.offset := #Ultimate.alloc(21);call #t~string115.base, #t~string115.offset := #Ultimate.alloc(30);call #t~string116.base, #t~string116.offset := #Ultimate.alloc(9);call #t~string117.base, #t~string117.offset := #Ultimate.alloc(21);call #t~string121.base, #t~string121.offset := #Ultimate.alloc(30);call #t~string122.base, #t~string122.offset := #Ultimate.alloc(9);call #t~string123.base, #t~string123.offset := #Ultimate.alloc(25);call #t~string124.base, #t~string124.offset := #Ultimate.alloc(30);call #t~string125.base, #t~string125.offset := #Ultimate.alloc(9);call #t~string126.base, #t~string126.offset := #Ultimate.alloc(25); 5659#L-1 havoc main_#res;havoc main_#t~ret19, main_~retValue_acc~17, main_~tmp~4;havoc main_~retValue_acc~17;havoc main_~tmp~4; 5660#L1787 havoc valid_product_#res;havoc valid_product_~retValue_acc~24;havoc valid_product_~retValue_acc~24;valid_product_~retValue_acc~24 := 1;valid_product_#res := valid_product_~retValue_acc~24; 5933#L1795 main_#t~ret19 := valid_product_#res;main_~tmp~4 := main_#t~ret19;havoc main_#t~ret19; 5935#L1321 assume 0 != main_~tmp~4;havoc setup_#t~nondet14, setup_#t~nondet16, setup_#t~nondet18, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.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_tmp3~1.base, setup_~__cil_tmp3~1.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; 5920#L1143 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 5824#L1149-2 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; 5845#L708 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 5825#L714-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string13.base, #t~string13.offset;havoc setup_#t~nondet14;~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; 5826#L1143-2 assume !(1 == setClientId_~handle); 5927#L1146-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 5783#L1149-5 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; 5784#L708-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 5834#L714-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string15.base, #t~string15.offset;havoc setup_#t~nondet16;~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; 5862#L1143-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 5786#L1149-8 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; 5800#L708-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 5764#L714-8 setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string17.base, #t~string17.offset;havoc setup_#t~nondet18; 5787#L1308 havoc test_#t~nondet83, test_#t~nondet84, test_#t~nondet85, test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_#t~nondet90, test_#t~nondet91, test_#t~nondet92, test_#t~nondet93, 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~16, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, 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~16;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;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; 5934#L2511-1 assume !false; 5661#L2366 [2018-11-28 12:21:25,376 INFO L796 eck$LassoCheckResult]: Loop: 5661#L2366 assume test_~splverifierCounter~0 < 4; 5662#L2367 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 6006#L2373 assume !(0 == test_~op1~0); 5695#L2386 assume !(0 == test_~op2~0); 6110#L2397 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet85;havoc test_#t~nondet85; 6107#L2402 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; 5885#L708-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 5795#L714-11 test_~op3~0 := 1; 5618#L2511-1 assume !false; 5661#L2366 [2018-11-28 12:21:25,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:21:25,376 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2018-11-28 12:21:25,377 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:21:25,377 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:21:25,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:21:25,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:21:25,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:21:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:21:25,454 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 12:21:25,455 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:21:25,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:21:25,455 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 12:21:25,455 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:21:25,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2018-11-28 12:21:25,455 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:21:25,455 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:21:25,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:21:25,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:21:25,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:21:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:21:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:21:25,530 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:21:25,530 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:21:25,530 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:21:25,530 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:21:25,530 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 12:21:25,531 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:21:25,531 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:21:25,531 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:21:25,531 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec4_product17_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 12:21:25,531 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:21:25,531 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:21:25,532 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 12:21:25,539 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 12:21:25,542 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 12:21:25,544 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 12:21:25,550 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 12:21:25,552 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 12:21:25,564 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 12:21:25,654 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:21:25,654 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d96c4f-081a-4632-9167-3214f56d47cd/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 12:21:25,656 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:21:25,656 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:21:25,662 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 12:21:25,662 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Honda state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d96c4f-081a-4632-9167-3214f56d47cd/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 12:21:25,679 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:21:25,679 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d96c4f-081a-4632-9167-3214f56d47cd/bin-2019/uautomizer/z3 Starting monitored process 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:21:25,707 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 12:21:25,707 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:21:25,750 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 12:21:25,758 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:21:25,758 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:21:25,758 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:21:25,758 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:21:25,758 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 12:21:25,758 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:21:25,758 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:21:25,759 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:21:25,759 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec4_product17_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 12:21:25,759 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:21:25,759 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:21:25,760 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 12:21:25,799 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 12:21:25,803 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 12:21:25,805 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 12:21:25,806 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 12:21:25,819 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 12:21:25,831 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 12:21:25,909 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:21:25,909 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 12:21:25,910 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 12:21:25,910 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:21:25,910 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:21:25,910 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:21:25,910 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:21:25,910 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:21:25,911 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:21:25,911 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:21:25,914 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 12:21:25,916 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 12:21:25,916 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 12:21:25,916 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 12:21:25,916 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 12:21:25,916 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 12:21:25,916 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 12:21:25,917 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 12:21:25,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:21:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:21:26,002 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:21:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:21:26,019 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:21:26,040 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 12:21:26,040 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 12:21:26,040 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440 Second operand 4 states. [2018-11-28 12:21:26,062 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440. Second operand 4 states. Result 1039 states and 1901 transitions. Complement of second has 6 states. [2018-11-28 12:21:26,063 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 12:21:26,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 12:21:26,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 508 transitions. [2018-11-28 12:21:26,064 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 9 letters. [2018-11-28 12:21:26,065 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:21:26,065 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 29 letters. Loop has 9 letters. [2018-11-28 12:21:26,065 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:21:26,065 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 18 letters. [2018-11-28 12:21:26,065 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:21:26,066 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1901 transitions. [2018-11-28 12:21:26,070 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 12:21:26,070 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 0 states and 0 transitions. [2018-11-28 12:21:26,070 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 12:21:26,070 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 12:21:26,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 12:21:26,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:21:26,071 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:21:26,071 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:21:26,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:21:26,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:21:26,071 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2018-11-28 12:21:26,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:21:26,072 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-28 12:21:26,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 12:21:26,072 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-28 12:21:26,072 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 12:21:26,072 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:21:26,072 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 12:21:26,072 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 12:21:26,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 12:21:26,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:21:26,073 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:21:26,073 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:21:26,073 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:21:26,073 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 12:21:26,073 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:21:26,073 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 12:21:26,073 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 12:21:26,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 12:21:26 BoogieIcfgContainer [2018-11-28 12:21:26,078 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 12:21:26,079 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:21:26,079 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:21:26,079 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:21:26,079 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:24" (3/4) ... [2018-11-28 12:21:26,082 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 12:21:26,082 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:21:26,083 INFO L168 Benchmark]: Toolchain (without parser) took 4005.11 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 235.4 MB). Free memory was 956.7 MB in the beginning and 864.8 MB in the end (delta: 91.9 MB). Peak memory consumption was 327.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:21:26,084 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:21:26,084 INFO L168 Benchmark]: CACSL2BoogieTranslator took 559.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 956.7 MB in the beginning and 1.1 GB in the end (delta: -144.8 MB). Peak memory consumption was 54.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:21:26,085 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:21:26,085 INFO L168 Benchmark]: Boogie Preprocessor took 82.42 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:21:26,086 INFO L168 Benchmark]: RCFGBuilder took 1374.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 815.1 MB in the end (delta: 266.0 MB). Peak memory consumption was 266.0 MB. Max. memory is 11.5 GB. [2018-11-28 12:21:26,086 INFO L168 Benchmark]: BuchiAutomizer took 1881.20 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.4 MB). Free memory was 815.1 MB in the beginning and 864.8 MB in the end (delta: -49.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:21:26,087 INFO L168 Benchmark]: Witness Printer took 3.59 ms. Allocated memory is still 1.3 GB. Free memory is still 864.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:21:26,090 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 559.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 956.7 MB in the beginning and 1.1 GB in the end (delta: -144.8 MB). Peak memory consumption was 54.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 101.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 82.42 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1374.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 815.1 MB in the end (delta: 266.0 MB). Peak memory consumption was 266.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1881.20 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.4 MB). Free memory was 815.1 MB in the beginning and 864.8 MB in the end (delta: -49.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.59 ms. Allocated memory is still 1.3 GB. Free memory is still 864.8 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 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1016 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 533 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 3942 SDtfs, 3448 SDslu, 5003 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: 10ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...