./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/email_spec1_product29_false-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/email_spec1_product29_false-unreach-call_true-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash edb35fb850e662426ba3a784bc7e736509beddd1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:50:51,450 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:50:51,452 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:50:51,471 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:50:51,472 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:50:51,474 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:50:51,476 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:50:51,478 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:50:51,481 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:50:51,484 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:50:51,486 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:50:51,487 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:50:51,488 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:50:51,489 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:50:51,493 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:50:51,499 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:50:51,500 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:50:51,507 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:50:51,511 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:50:51,514 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:50:51,515 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:50:51,518 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:50:51,522 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:50:51,523 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:50:51,523 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:50:51,524 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:50:51,525 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:50:51,528 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:50:51,529 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:50:51,531 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:50:51,531 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:50:51,533 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:50:51,535 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:50:51,535 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:50:51,536 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:50:51,538 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:50:51,539 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:50:51,555 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:50:51,555 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:50:51,556 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:50:51,557 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:50:51,557 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:50:51,557 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:50:51,557 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:50:51,557 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:50:51,557 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:50:51,558 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:50:51,558 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:50:51,558 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:50:51,558 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:50:51,558 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:50:51,559 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:50:51,559 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:50:51,559 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:50:51,559 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:50:51,559 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:50:51,559 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:50:51,560 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:50:51,560 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:50:51,560 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:50:51,560 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:50:51,560 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:50:51,561 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:50:51,561 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:50:51,561 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:50:51,561 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:50:51,561 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:50:51,562 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:50:51,562 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:50:51,563 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> edb35fb850e662426ba3a784bc7e736509beddd1 [2018-11-28 23:50:51,605 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:50:51,620 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:50:51,626 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:50:51,628 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:50:51,629 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:50:51,629 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/email_spec1_product29_false-unreach-call_true-termination.cil.c [2018-11-28 23:50:51,689 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76d94b34d/790c621a653842ebba1610f6f67c8db3/FLAG6a6828c32 [2018-11-28 23:50:52,298 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:50:52,301 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/email_spec1_product29_false-unreach-call_true-termination.cil.c [2018-11-28 23:50:52,325 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76d94b34d/790c621a653842ebba1610f6f67c8db3/FLAG6a6828c32 [2018-11-28 23:50:52,505 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76d94b34d/790c621a653842ebba1610f6f67c8db3 [2018-11-28 23:50:52,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:50:52,511 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:50:52,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:50:52,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:50:52,520 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:50:52,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:50:52" (1/1) ... [2018-11-28 23:50:52,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d71cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:52, skipping insertion in model container [2018-11-28 23:50:52,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:50:52" (1/1) ... [2018-11-28 23:50:52,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:50:52,641 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:50:53,457 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:50:53,494 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:50:53,726 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:50:53,828 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:50:53,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:53 WrapperNode [2018-11-28 23:50:53,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:50:53,830 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:50:53,830 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:50:53,830 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:50:53,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:53" (1/1) ... [2018-11-28 23:50:53,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:53" (1/1) ... [2018-11-28 23:50:54,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:50:54,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:50:54,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:50:54,035 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:50:54,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:53" (1/1) ... [2018-11-28 23:50:54,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:53" (1/1) ... [2018-11-28 23:50:54,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:53" (1/1) ... [2018-11-28 23:50:54,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:53" (1/1) ... [2018-11-28 23:50:54,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:53" (1/1) ... [2018-11-28 23:50:54,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:53" (1/1) ... [2018-11-28 23:50:54,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:53" (1/1) ... [2018-11-28 23:50:54,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:50:54,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:50:54,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:50:54,227 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:50:54,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:50:54,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:50:54,294 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-28 23:50:54,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 23:50:54,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:50:54,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:50:59,470 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:50:59,471 INFO L280 CfgBuilder]: Removed 605 assue(true) statements. [2018-11-28 23:50:59,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:50:59 BoogieIcfgContainer [2018-11-28 23:50:59,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:50:59,472 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:50:59,472 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:50:59,476 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:50:59,477 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:50:59,478 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:50:52" (1/3) ... [2018-11-28 23:50:59,479 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37db58b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:50:59, skipping insertion in model container [2018-11-28 23:50:59,479 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:50:59,479 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:53" (2/3) ... [2018-11-28 23:50:59,480 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37db58b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:50:59, skipping insertion in model container [2018-11-28 23:50:59,480 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:50:59,480 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:50:59" (3/3) ... [2018-11-28 23:50:59,482 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec1_product29_false-unreach-call_true-termination.cil.c [2018-11-28 23:50:59,550 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:50:59,551 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:50:59,551 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:50:59,551 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:50:59,551 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:50:59,551 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:50:59,552 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:50:59,552 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:50:59,552 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:50:59,599 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 992 states. [2018-11-28 23:50:59,689 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2018-11-28 23:50:59,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:50:59,689 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:50:59,700 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:50:59,701 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:50:59,701 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:50:59,701 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 992 states. [2018-11-28 23:50:59,719 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2018-11-28 23:50:59,719 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:50:59,719 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:50:59,722 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:50:59,722 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:50:59,729 INFO L794 eck$LassoCheckResult]: Stem: 332#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;call #t~string47.base, #t~string47.offset := #Ultimate.alloc(10);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(12);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(10);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(18);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(16);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(16);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string75.base, #t~string75.offset := #Ultimate.alloc(44);call #t~string80.base, #t~string80.offset := #Ultimate.alloc(44);call #t~string82.base, #t~string82.offset := #Ultimate.alloc(9);call #t~string84.base, #t~string84.offset := #Ultimate.alloc(9);call #t~string86.base, #t~string86.offset := #Ultimate.alloc(11);call #t~string90.base, #t~string90.offset := #Ultimate.alloc(19);call #t~string93.base, #t~string93.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string93.base, #t~string93.offset, 1);call write~init~int(100, #t~string93.base, 1 + #t~string93.offset, 1);call write~init~int(10, #t~string93.base, 2 + #t~string93.offset, 1);call write~init~int(0, #t~string93.base, 3 + #t~string93.offset, 1);call #t~string96.base, #t~string96.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string96.base, #t~string96.offset, 1);call write~init~int(100, #t~string96.base, 1 + #t~string96.offset, 1);call write~init~int(10, #t~string96.base, 2 + #t~string96.offset, 1);call write~init~int(0, #t~string96.base, 3 + #t~string96.offset, 1);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~mail_is_sensitive~0 := -1;call #t~string106.base, #t~string106.offset := #Ultimate.alloc(13);call #t~string110.base, #t~string110.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string110.base, #t~string110.offset, 1);call write~init~int(115, #t~string110.base, 1 + #t~string110.offset, 1);call write~init~int(10, #t~string110.base, 2 + #t~string110.offset, 1);call write~init~int(0, #t~string110.base, 3 + #t~string110.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string112.base, #t~string112.offset := #Ultimate.alloc(10);call #t~string119.base, #t~string119.offset := #Ultimate.alloc(34);call #t~string122.base, #t~string122.offset := #Ultimate.alloc(30);call #t~string126.base, #t~string126.offset := #Ultimate.alloc(16);call #t~string134.base, #t~string134.offset := #Ultimate.alloc(20); 245#L-1true havoc main_#res;havoc main_#t~ret88, main_~retValue_acc~18, main_~tmp~10;havoc main_~retValue_acc~18;havoc main_~tmp~10; 507#L2591true havoc valid_product_#res;havoc valid_product_~retValue_acc~37;havoc valid_product_~retValue_acc~37;valid_product_~retValue_acc~37 := 1;valid_product_#res := valid_product_~retValue_acc~37; 189#L2599true main_#t~ret88 := valid_product_#res;main_~tmp~10 := main_#t~ret88;havoc main_#t~ret88; 693#L1353true assume 0 != main_~tmp~10;havoc setup_#t~nondet83, setup_#t~nondet85, setup_#t~nondet87, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 415#L2552true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 72#L2558-2true 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; 200#L2117true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 729#L2123-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string82.base, #t~string82.offset;havoc setup_#t~nondet83;~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; 416#L2552-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 51#L2558-5true 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; 195#L2117-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 735#L2123-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string84.base, #t~string84.offset;havoc setup_#t~nondet85;~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; 287#L2552-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 58#L2558-8true 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; 197#L2117-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 710#L2123-8true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string86.base, #t~string86.offset;havoc setup_#t~nondet87; 451#L1340true havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 266#L1011-1true [2018-11-28 23:50:59,730 INFO L796 eck$LassoCheckResult]: Loop: 266#L1011-1true assume !false; 839#L866true assume test_~splverifierCounter~0 < 4; 928#L867true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 508#L873true assume !(0 == test_~op1~0); 113#L886true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet36;havoc test_#t~nondet36; 833#L891true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 266#L1011-1true [2018-11-28 23:50:59,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:50:59,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2018-11-28 23:50:59,738 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:50:59,739 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:50:59,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:50:59,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:50:59,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:50:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:51:00,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:51:00,157 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:51:00,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:51:00,163 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 23:51:00,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:51:00,163 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2018-11-28 23:51:00,163 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:51:00,163 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:51:00,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:51:00,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:51:00,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:51:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:51:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:51:00,429 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-28 23:51:00,442 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:51:00,444 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:51:00,444 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:51:00,444 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:51:00,444 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:51:00,445 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:51:00,445 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:51:00,445 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:51:00,445 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec1_product29_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 23:51:00,445 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:51:00,445 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:51:00,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:00,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:00,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:00,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:00,641 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-11-28 23:51:00,905 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-11-28 23:51:01,072 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:51:01,073 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:51:01,078 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:51:01,079 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:51:01,113 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:51:01,113 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:51:01,127 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:51:01,144 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:51:01,144 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:51:01,144 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:51:01,144 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:51:01,145 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:51:01,145 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:51:01,145 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:51:01,145 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:51:01,145 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec1_product29_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 23:51:01,145 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:51:01,145 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:51:01,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:01,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:01,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:01,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:01,444 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-11-28 23:51:01,563 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-11-28 23:51:01,727 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-11-28 23:51:01,791 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:51:01,796 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:51:01,798 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:51:01,799 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:51:01,800 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:51:01,801 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:51:01,801 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:51:01,801 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:51:01,803 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:51:01,804 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:51:01,809 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:51:01,815 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:51:01,815 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 23:51:01,818 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:51:01,818 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 23:51:01,819 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:51:01,819 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2018-11-28 23:51:01,821 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 23:51:01,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:51:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:51:02,037 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:51:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:51:02,083 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:51:02,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:51:02,246 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-28 23:51:02,248 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 992 states. Second operand 4 states. [2018-11-28 23:51:02,955 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 992 states.. Second operand 4 states. Result 4594 states and 8034 transitions. Complement of second has 7 states. [2018-11-28 23:51:02,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 23:51:02,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 23:51:02,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4662 transitions. [2018-11-28 23:51:02,968 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4662 transitions. Stem has 18 letters. Loop has 6 letters. [2018-11-28 23:51:02,970 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:51:02,970 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4662 transitions. Stem has 24 letters. Loop has 6 letters. [2018-11-28 23:51:02,971 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:51:02,971 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4662 transitions. Stem has 18 letters. Loop has 12 letters. [2018-11-28 23:51:02,971 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:51:02,972 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4594 states and 8034 transitions. [2018-11-28 23:51:03,032 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 501 [2018-11-28 23:51:03,060 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4594 states to 1035 states and 1896 transitions. [2018-11-28 23:51:03,062 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 532 [2018-11-28 23:51:03,066 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 533 [2018-11-28 23:51:03,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1035 states and 1896 transitions. [2018-11-28 23:51:03,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 23:51:03,071 INFO L705 BuchiCegarLoop]: Abstraction has 1035 states and 1896 transitions. [2018-11-28 23:51:03,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states and 1896 transitions. [2018-11-28 23:51:03,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 534. [2018-11-28 23:51:03,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2018-11-28 23:51:03,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 975 transitions. [2018-11-28 23:51:03,171 INFO L728 BuchiCegarLoop]: Abstraction has 534 states and 975 transitions. [2018-11-28 23:51:03,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:51:03,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:51:03,177 INFO L87 Difference]: Start difference. First operand 534 states and 975 transitions. Second operand 3 states. [2018-11-28 23:51:03,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:51:03,273 INFO L93 Difference]: Finished difference Result 1048 states and 1915 transitions. [2018-11-28 23:51:03,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:51:03,274 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1048 states and 1915 transitions. [2018-11-28 23:51:03,283 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 502 [2018-11-28 23:51:03,293 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1048 states to 1048 states and 1915 transitions. [2018-11-28 23:51:03,293 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 544 [2018-11-28 23:51:03,294 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 544 [2018-11-28 23:51:03,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1048 states and 1915 transitions. [2018-11-28 23:51:03,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 23:51:03,296 INFO L705 BuchiCegarLoop]: Abstraction has 1048 states and 1915 transitions. [2018-11-28 23:51:03,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states and 1915 transitions. [2018-11-28 23:51:03,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 533. [2018-11-28 23:51:03,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2018-11-28 23:51:03,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 971 transitions. [2018-11-28 23:51:03,326 INFO L728 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2018-11-28 23:51:03,326 INFO L608 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2018-11-28 23:51:03,326 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:51:03,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 533 states and 971 transitions. [2018-11-28 23:51:03,329 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2018-11-28 23:51:03,329 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:51:03,330 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:51:03,331 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:51:03,331 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:51:03,334 INFO L794 eck$LassoCheckResult]: Stem: 7638#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;call #t~string47.base, #t~string47.offset := #Ultimate.alloc(10);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(12);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(10);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(18);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(16);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(16);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string75.base, #t~string75.offset := #Ultimate.alloc(44);call #t~string80.base, #t~string80.offset := #Ultimate.alloc(44);call #t~string82.base, #t~string82.offset := #Ultimate.alloc(9);call #t~string84.base, #t~string84.offset := #Ultimate.alloc(9);call #t~string86.base, #t~string86.offset := #Ultimate.alloc(11);call #t~string90.base, #t~string90.offset := #Ultimate.alloc(19);call #t~string93.base, #t~string93.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string93.base, #t~string93.offset, 1);call write~init~int(100, #t~string93.base, 1 + #t~string93.offset, 1);call write~init~int(10, #t~string93.base, 2 + #t~string93.offset, 1);call write~init~int(0, #t~string93.base, 3 + #t~string93.offset, 1);call #t~string96.base, #t~string96.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string96.base, #t~string96.offset, 1);call write~init~int(100, #t~string96.base, 1 + #t~string96.offset, 1);call write~init~int(10, #t~string96.base, 2 + #t~string96.offset, 1);call write~init~int(0, #t~string96.base, 3 + #t~string96.offset, 1);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~mail_is_sensitive~0 := -1;call #t~string106.base, #t~string106.offset := #Ultimate.alloc(13);call #t~string110.base, #t~string110.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string110.base, #t~string110.offset, 1);call write~init~int(115, #t~string110.base, 1 + #t~string110.offset, 1);call write~init~int(10, #t~string110.base, 2 + #t~string110.offset, 1);call write~init~int(0, #t~string110.base, 3 + #t~string110.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string112.base, #t~string112.offset := #Ultimate.alloc(10);call #t~string119.base, #t~string119.offset := #Ultimate.alloc(34);call #t~string122.base, #t~string122.offset := #Ultimate.alloc(30);call #t~string126.base, #t~string126.offset := #Ultimate.alloc(16);call #t~string134.base, #t~string134.offset := #Ultimate.alloc(20); 7273#L-1 havoc main_#res;havoc main_#t~ret88, main_~retValue_acc~18, main_~tmp~10;havoc main_~retValue_acc~18;havoc main_~tmp~10; 7274#L2591 havoc valid_product_#res;havoc valid_product_~retValue_acc~37;havoc valid_product_~retValue_acc~37;valid_product_~retValue_acc~37 := 1;valid_product_#res := valid_product_~retValue_acc~37; 7558#L2599 main_#t~ret88 := valid_product_#res;main_~tmp~10 := main_#t~ret88;havoc main_#t~ret88; 7275#L1353 assume 0 != main_~tmp~10;havoc setup_#t~nondet83, setup_#t~nondet85, setup_#t~nondet87, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 7276#L2552 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7469#L2558-2 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; 7509#L2117 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7478#L2123-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string82.base, #t~string82.offset;havoc setup_#t~nondet83;~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; 7479#L2552-2 assume !(1 == setClientId_~handle); 7778#L2555-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 7415#L2558-5 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; 7416#L2117-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7493#L2123-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string84.base, #t~string84.offset;havoc setup_#t~nondet85;~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; 7504#L2552-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7428#L2558-8 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; 7437#L2117-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7413#L2123-8 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string86.base, #t~string86.offset;havoc setup_#t~nondet87; 7414#L1340 havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 7799#L1011-1 assume !false; 7502#L866 [2018-11-28 23:51:03,334 INFO L796 eck$LassoCheckResult]: Loop: 7502#L866 assume test_~splverifierCounter~0 < 4; 7752#L867 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 7567#L873 assume !(0 == test_~op1~0); 7569#L886 assume !(0 == test_~op2~0); 7683#L897 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet37;havoc test_#t~nondet37; 7685#L902 assume 0 != test_~tmp___7~0;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := ~rjh~0, 0;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 7747#L2117-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7418#L2123-11 test_~op3~0 := 1; 7368#L1011-1 assume !false; 7502#L866 [2018-11-28 23:51:03,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:51:03,335 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2018-11-28 23:51:03,335 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:51:03,335 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:51:03,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:51:03,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:51:03,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:51:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:51:03,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:51:03,520 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:51:03,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 23:51:03,520 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 23:51:03,521 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:51:03,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2018-11-28 23:51:03,521 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:51:03,521 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:51:03,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:51:03,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:51:03,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:51:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:51:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:51:03,719 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-11-28 23:51:03,792 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:51:03,793 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:51:03,793 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:51:03,793 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:51:03,793 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:51:03,793 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:51:03,793 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:51:03,794 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:51:03,794 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec1_product29_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 23:51:03,794 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:51:03,794 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:51:03,796 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 23:51:03,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:03,819 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 23:51:03,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:03,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:03,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:03,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:04,144 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:51:04,144 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:51:04,152 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:51:04,152 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:51:04,159 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:51:04,160 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:51:04,212 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:51:04,213 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2018-11-28 23:51:04,266 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:51:04,267 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:51:04,328 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:51:04,333 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:51:04,335 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:51:04,335 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:51:04,335 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:51:04,336 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:51:04,336 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:51:04,336 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:51:04,336 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:51:04,336 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec1_product29_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 23:51:04,336 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:51:04,337 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:51:04,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:04,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:04,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:04,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:04,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:04,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:04,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:51:05,184 WARN L180 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-28 23:51:05,452 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-28 23:51:05,563 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-28 23:51:05,573 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:51:05,574 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:51:05,574 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:51:05,575 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:51:05,575 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:51:05,578 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:51:05,578 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:51:05,578 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:51:05,580 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:51:05,580 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:51:05,590 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:51:05,590 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:51:05,592 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:51:05,593 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:51:05,593 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:51:05,593 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:51:05,593 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:51:05,594 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:51:05,594 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:51:05,602 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:51:05,606 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:51:05,611 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 23:51:05,611 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:51:05,611 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 23:51:05,612 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:51:05,612 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2018-11-28 23:51:05,612 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 23:51:05,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:51:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:51:05,796 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:51:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:51:05,836 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:51:06,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:51:06,103 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-11-28 23:51:06,103 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440 Second operand 4 states. [2018-11-28 23:51:06,193 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 23:51:06,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 23:51:06,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 23:51:06,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 508 transitions. [2018-11-28 23:51:06,195 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 9 letters. [2018-11-28 23:51:06,197 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:51:06,197 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 29 letters. Loop has 9 letters. [2018-11-28 23:51:06,198 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:51:06,198 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 18 letters. [2018-11-28 23:51:06,199 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:51:06,200 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1901 transitions. [2018-11-28 23:51:06,210 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:51:06,210 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 0 states and 0 transitions. [2018-11-28 23:51:06,211 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:51:06,211 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:51:06,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:51:06,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:51:06,212 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:51:06,212 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:51:06,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 23:51:06,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 23:51:06,215 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2018-11-28 23:51:06,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:51:06,215 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-28 23:51:06,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 23:51:06,216 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-28 23:51:06,216 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:51:06,216 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 23:51:06,216 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:51:06,216 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:51:06,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:51:06,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:51:06,217 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:51:06,217 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:51:06,217 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:51:06,217 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 23:51:06,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 23:51:06,217 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:51:06,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 23:51:06,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:51:06 BoogieIcfgContainer [2018-11-28 23:51:06,229 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:51:06,229 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:51:06,230 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:51:06,230 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:51:06,230 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:50:59" (3/4) ... [2018-11-28 23:51:06,236 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:51:06,237 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:51:06,238 INFO L168 Benchmark]: Toolchain (without parser) took 13727.36 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 327.7 MB). Free memory was 943.3 MB in the beginning and 1.2 GB in the end (delta: -283.9 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:51:06,240 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:51:06,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1315.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). Peak memory consumption was 56.6 MB. Max. memory is 11.5 GB. [2018-11-28 23:51:06,243 INFO L168 Benchmark]: Boogie Procedure Inliner took 204.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-11-28 23:51:06,244 INFO L168 Benchmark]: Boogie Preprocessor took 192.00 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:51:06,245 INFO L168 Benchmark]: RCFGBuilder took 5244.80 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 96.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -55.5 MB). Peak memory consumption was 285.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:51:06,248 INFO L168 Benchmark]: BuchiAutomizer took 6757.15 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 89.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -98.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:51:06,250 INFO L168 Benchmark]: Witness Printer took 7.23 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:51:06,258 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1315.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). Peak memory consumption was 56.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 204.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 192.00 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5244.80 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 96.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -55.5 MB). Peak memory consumption was 285.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6757.15 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 89.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -98.3 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 7.23 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.4s. Construction of modules took 0.2s. Büchi inclusion checks took 1.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 1016 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s 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: 4902 SDtfs, 4408 SDslu, 6443 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...