./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/email_spec11_product36_true-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f 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_spec11_product36_true-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 4137c2c028a165c0c909573a8e09d7a173ab4e13 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 04:08:06,469 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:08:06,471 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:08:06,486 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:08:06,486 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:08:06,487 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:08:06,489 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:08:06,491 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:08:06,492 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:08:06,493 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:08:06,494 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:08:06,495 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:08:06,496 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:08:06,497 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:08:06,498 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:08:06,499 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:08:06,500 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:08:06,502 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:08:06,504 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:08:06,505 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:08:06,507 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:08:06,508 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:08:06,510 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:08:06,510 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:08:06,511 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:08:06,512 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:08:06,513 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:08:06,514 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:08:06,515 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:08:06,516 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:08:06,516 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:08:06,517 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:08:06,517 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:08:06,518 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:08:06,519 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:08:06,519 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:08:06,520 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:08:06,537 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:08:06,537 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:08:06,539 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:08:06,539 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:08:06,539 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:08:06,539 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:08:06,540 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:08:06,540 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:08:06,540 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:08:06,540 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:08:06,540 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:08:06,540 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:08:06,542 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:08:06,542 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:08:06,542 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:08:06,542 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:08:06,542 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:08:06,543 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:08:06,543 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:08:06,543 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:08:06,543 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:08:06,543 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:08:06,543 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:08:06,544 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:08:06,545 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:08:06,545 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:08:06,545 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:08:06,546 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:08:06,546 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:08:06,546 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:08:06,547 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:08:06,547 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:08:06,548 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 -> 4137c2c028a165c0c909573a8e09d7a173ab4e13 [2019-01-14 04:08:06,584 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:08:06,597 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:08:06,601 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:08:06,602 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:08:06,603 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:08:06,604 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/email_spec11_product36_true-unreach-call_true-termination.cil.c [2019-01-14 04:08:06,663 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a13baf566/b7631ada2d2c4690849e48b857af2620/FLAGc2834436f [2019-01-14 04:08:07,234 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:08:07,236 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/email_spec11_product36_true-unreach-call_true-termination.cil.c [2019-01-14 04:08:07,260 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a13baf566/b7631ada2d2c4690849e48b857af2620/FLAGc2834436f [2019-01-14 04:08:07,460 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a13baf566/b7631ada2d2c4690849e48b857af2620 [2019-01-14 04:08:07,463 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:08:07,465 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:08:07,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:08:07,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:08:07,470 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:08:07,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:08:07" (1/1) ... [2019-01-14 04:08:07,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d680728 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:08:07, skipping insertion in model container [2019-01-14 04:08:07,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:08:07" (1/1) ... [2019-01-14 04:08:07,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:08:07,582 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:08:08,267 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:08:08,288 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:08:08,575 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:08:08,676 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:08:08,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:08:08 WrapperNode [2019-01-14 04:08:08,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:08:08,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:08:08,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:08:08,678 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:08:08,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:08:08" (1/1) ... [2019-01-14 04:08:08,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:08:08" (1/1) ... [2019-01-14 04:08:08,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:08:08,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:08:08,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:08:08,851 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:08:08,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:08:08" (1/1) ... [2019-01-14 04:08:08,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:08:08" (1/1) ... [2019-01-14 04:08:08,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:08:08" (1/1) ... [2019-01-14 04:08:08,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:08:08" (1/1) ... [2019-01-14 04:08:08,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:08:08" (1/1) ... [2019-01-14 04:08:08,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:08:08" (1/1) ... [2019-01-14 04:08:08,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:08:08" (1/1) ... [2019-01-14 04:08:08,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:08:08,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:08:08,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:08:08,972 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:08:08,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:08:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:08:09,053 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-01-14 04:08:09,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:08:09,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:08:09,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:08:09,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:08:12,369 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:08:12,369 INFO L286 CfgBuilder]: Removed 405 assue(true) statements. [2019-01-14 04:08:12,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:08:12 BoogieIcfgContainer [2019-01-14 04:08:12,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:08:12,372 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:08:12,372 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:08:12,375 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:08:12,376 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:08:12,376 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:08:07" (1/3) ... [2019-01-14 04:08:12,378 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70d76fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:08:12, skipping insertion in model container [2019-01-14 04:08:12,378 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:08:12,378 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:08:08" (2/3) ... [2019-01-14 04:08:12,379 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70d76fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:08:12, skipping insertion in model container [2019-01-14 04:08:12,379 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:08:12,379 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:08:12" (3/3) ... [2019-01-14 04:08:12,381 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec11_product36_true-unreach-call_true-termination.cil.c [2019-01-14 04:08:12,437 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:08:12,438 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:08:12,438 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:08:12,438 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:08:12,438 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:08:12,438 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:08:12,438 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:08:12,438 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:08:12,439 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:08:12,469 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 471 states. [2019-01-14 04:08:12,526 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2019-01-14 04:08:12,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:08:12,527 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:08:12,536 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:08:12,537 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-01-14 04:08:12,537 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:08:12,537 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 471 states. [2019-01-14 04:08:12,553 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2019-01-14 04:08:12,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:08:12,554 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:08:12,555 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:08:12,555 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-01-14 04:08:12,562 INFO L794 eck$LassoCheckResult]: Stem: 338#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(44);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(44);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(11);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string64.base, #t~string64.offset, 1);call write~init~int(115, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(10, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(10);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(34);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(16);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(22);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(21);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(20);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(10);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(12);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(10);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(18); 251#L-1true havoc main_#res;havoc main_#t~nondet49, main_#t~ret50, main_~retValue_acc~16, main_~tmp~4;main_~retValue_acc~16 := main_#t~nondet49;havoc main_#t~nondet49;havoc main_~tmp~4; 88#L853true havoc valid_product_#res;havoc valid_product_~retValue_acc~15;havoc valid_product_~retValue_acc~15;valid_product_~retValue_acc~15 := 1;valid_product_#res := valid_product_~retValue_acc~15; 209#L861true main_#t~ret50 := valid_product_#res;main_~tmp~4 := main_#t~ret50;havoc main_#t~ret50; 373#L990true assume 0 != main_~tmp~4;havoc setup_#t~nondet44, setup_#t~nondet46, setup_#t~nondet48, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 308#L2299true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 33#L2305-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string43.base, #t~string43.offset;havoc setup_#t~nondet44;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 296#L2299-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 24#L2305-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string45.base, #t~string45.offset;havoc setup_#t~nondet46;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 297#L2299-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 10#L2305-8true setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string47.base, #t~string47.offset;havoc setup_#t~nondet48; 452#L977true havoc test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, 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~5, test_~tmp___0~1, test_~tmp___1~1, 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~5;havoc test_~tmp___0~1;havoc test_~tmp___1~1;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; 89#L1205-1true [2019-01-14 04:08:12,563 INFO L796 eck$LassoCheckResult]: Loop: 89#L1205-1true assume !false; 384#L1075true assume test_~splverifierCounter~0 < 4; 449#L1076true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 166#L1082true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet51;havoc test_#t~nondet51; 386#L1086true assume 0 != test_~tmp___9~0;test_~op1~0 := 1; 89#L1205-1true [2019-01-14 04:08:12,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:08:12,569 INFO L82 PathProgramCache]: Analyzing trace with hash -580026000, now seen corresponding path program 1 times [2019-01-14 04:08:12,571 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:08:12,572 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:08:12,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:08:12,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:08:12,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:08:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:08:12,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:08:12,876 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:08:12,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 04:08:12,880 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-01-14 04:08:12,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:08:12,881 INFO L82 PathProgramCache]: Analyzing trace with hash 103192148, now seen corresponding path program 1 times [2019-01-14 04:08:12,881 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:08:12,881 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:08:12,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:08:12,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:08:12,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:08:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:08:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:08:13,028 WARN L181 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-01-14 04:08:13,074 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 04:08:13,075 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 04:08:13,075 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 04:08:13,076 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 04:08:13,076 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 04:08:13,076 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:08:13,076 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 04:08:13,076 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 04:08:13,077 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec11_product36_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2019-01-14 04:08:13,077 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 04:08:13,077 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 04:08:13,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:08:13,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:08:13,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:08:13,368 WARN L181 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-14 04:08:13,596 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 04:08:13,597 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:08:13,602 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:08:13,602 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:08:13,628 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 04:08:13,628 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:08:13,637 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-14 04:08:13,655 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 04:08:13,655 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 04:08:13,655 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 04:08:13,656 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 04:08:13,656 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 04:08:13,656 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:08:13,656 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 04:08:13,656 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 04:08:13,657 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec11_product36_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2019-01-14 04:08:13,657 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 04:08:13,657 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 04:08:13,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:08:13,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:08:13,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:08:13,903 WARN L181 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-14 04:08:14,024 WARN L181 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-01-14 04:08:14,071 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 04:08:14,076 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 04:08:14,077 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:08:14,079 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:08:14,079 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:08:14,080 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:08:14,080 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:08:14,080 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:08:14,083 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:08:14,083 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:08:14,088 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 04:08:14,093 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-14 04:08:14,094 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-14 04:08:14,096 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 04:08:14,096 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-14 04:08:14,097 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 04:08:14,097 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] [2019-01-14 04:08:14,099 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-14 04:08:14,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:08:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:08:14,380 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 04:08:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:08:14,439 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 04:08:14,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:08:14,503 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-01-14 04:08:14,505 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 471 states. Second operand 4 states. [2019-01-14 04:08:14,800 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 471 states.. Second operand 4 states. Result 2212 states and 3689 transitions. Complement of second has 7 states. [2019-01-14 04:08:14,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-01-14 04:08:14,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-14 04:08:14,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2175 transitions. [2019-01-14 04:08:14,810 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2175 transitions. Stem has 12 letters. Loop has 5 letters. [2019-01-14 04:08:14,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:08:14,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2175 transitions. Stem has 17 letters. Loop has 5 letters. [2019-01-14 04:08:14,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:08:14,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2175 transitions. Stem has 12 letters. Loop has 10 letters. [2019-01-14 04:08:14,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:08:14,815 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2212 states and 3689 transitions. [2019-01-14 04:08:14,845 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 151 [2019-01-14 04:08:14,855 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2212 states to 323 states and 591 transitions. [2019-01-14 04:08:14,856 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 170 [2019-01-14 04:08:14,857 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 171 [2019-01-14 04:08:14,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 323 states and 591 transitions. [2019-01-14 04:08:14,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-14 04:08:14,859 INFO L706 BuchiCegarLoop]: Abstraction has 323 states and 591 transitions. [2019-01-14 04:08:14,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states and 591 transitions. [2019-01-14 04:08:14,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 172. [2019-01-14 04:08:14,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-01-14 04:08:14,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 312 transitions. [2019-01-14 04:08:14,916 INFO L729 BuchiCegarLoop]: Abstraction has 172 states and 312 transitions. [2019-01-14 04:08:14,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 04:08:14,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 04:08:14,922 INFO L87 Difference]: Start difference. First operand 172 states and 312 transitions. Second operand 3 states. [2019-01-14 04:08:15,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:08:15,043 INFO L93 Difference]: Finished difference Result 328 states and 596 transitions. [2019-01-14 04:08:15,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 04:08:15,048 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 328 states and 596 transitions. [2019-01-14 04:08:15,053 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 152 [2019-01-14 04:08:15,057 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 328 states to 328 states and 596 transitions. [2019-01-14 04:08:15,058 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 174 [2019-01-14 04:08:15,059 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 174 [2019-01-14 04:08:15,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 328 states and 596 transitions. [2019-01-14 04:08:15,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-14 04:08:15,064 INFO L706 BuchiCegarLoop]: Abstraction has 328 states and 596 transitions. [2019-01-14 04:08:15,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states and 596 transitions. [2019-01-14 04:08:15,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 171. [2019-01-14 04:08:15,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-01-14 04:08:15,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 308 transitions. [2019-01-14 04:08:15,084 INFO L729 BuchiCegarLoop]: Abstraction has 171 states and 308 transitions. [2019-01-14 04:08:15,085 INFO L609 BuchiCegarLoop]: Abstraction has 171 states and 308 transitions. [2019-01-14 04:08:15,085 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:08:15,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 171 states and 308 transitions. [2019-01-14 04:08:15,088 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2019-01-14 04:08:15,089 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:08:15,089 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:08:15,091 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:08:15,092 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:08:15,092 INFO L794 eck$LassoCheckResult]: Stem: 3350#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(44);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(44);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(11);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string64.base, #t~string64.offset, 1);call write~init~int(115, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(10, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(10);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(34);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(16);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(22);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(21);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(20);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(10);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(12);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(10);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(18); 3307#L-1 havoc main_#res;havoc main_#t~nondet49, main_#t~ret50, main_~retValue_acc~16, main_~tmp~4;main_~retValue_acc~16 := main_#t~nondet49;havoc main_#t~nondet49;havoc main_~tmp~4; 3308#L853 havoc valid_product_#res;havoc valid_product_~retValue_acc~15;havoc valid_product_~retValue_acc~15;valid_product_~retValue_acc~15 := 1;valid_product_#res := valid_product_~retValue_acc~15; 3405#L861 main_#t~ret50 := valid_product_#res;main_~tmp~4 := main_#t~ret50;havoc main_#t~ret50; 3412#L990 assume 0 != main_~tmp~4;havoc setup_#t~nondet44, setup_#t~nondet46, setup_#t~nondet48, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3429#L2299 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3402#L2305-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string43.base, #t~string43.offset;havoc setup_#t~nondet44;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3406#L2299-2 assume !(1 == setClientId_~handle); 3419#L2302-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 3365#L2305-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string45.base, #t~string45.offset;havoc setup_#t~nondet46;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3366#L2299-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3332#L2305-8 setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string47.base, #t~string47.offset;havoc setup_#t~nondet48; 3333#L977 havoc test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, 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~5, test_~tmp___0~1, test_~tmp___1~1, 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~5;havoc test_~tmp___0~1;havoc test_~tmp___1~1;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; 3361#L1205-1 assume !false; 3313#L1075 [2019-01-14 04:08:15,098 INFO L796 eck$LassoCheckResult]: Loop: 3313#L1075 assume test_~splverifierCounter~0 < 4; 3314#L1076 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 3326#L1082 assume !(0 == test_~op1~0); 3318#L1092 assume !(0 == test_~op2~0); 3310#L1106 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet53;havoc test_#t~nondet53; 3285#L1111 assume 0 != test_~tmp___7~0;test_~op3~0 := 1; 3275#L1205-1 assume !false; 3313#L1075 [2019-01-14 04:08:15,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:08:15,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1897365039, now seen corresponding path program 1 times [2019-01-14 04:08:15,098 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:08:15,099 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:08:15,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:08:15,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:08:15,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:08:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:08:15,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:08:15,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:08:15,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 04:08:15,251 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-01-14 04:08:15,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:08:15,252 INFO L82 PathProgramCache]: Analyzing trace with hash -235666265, now seen corresponding path program 1 times [2019-01-14 04:08:15,252 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:08:15,252 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:08:15,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:08:15,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:08:15,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:08:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:08:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:08:15,508 WARN L181 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2019-01-14 04:08:15,610 WARN L181 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2019-01-14 04:08:15,613 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 04:08:15,613 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 04:08:15,613 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 04:08:15,613 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 04:08:15,613 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 04:08:15,614 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:08:15,614 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 04:08:15,614 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 04:08:15,614 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec11_product36_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2019-01-14 04:08:15,614 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 04:08:15,614 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 04:08:15,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:08:15,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:08:15,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:08:15,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:08:15,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:08:15,824 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 04:08:15,824 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:08:15,830 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:08:15,831 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:08:15,844 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:08:15,844 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=7} Honda state: {ULTIMATE.start_test_~op1~0=7} 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 [2019-01-14 04:08:15,872 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:08:15,873 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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:08:15,923 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 04:08:15,923 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:08:15,971 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-14 04:08:15,975 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 04:08:15,975 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 04:08:15,976 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 04:08:15,976 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 04:08:15,976 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 04:08:15,976 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:08:15,976 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 04:08:15,977 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 04:08:15,977 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec11_product36_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2019-01-14 04:08:15,977 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 04:08:15,977 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 04:08:15,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:08:16,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:08:16,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:08:16,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:08:16,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:08:16,278 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 04:08:16,279 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 04:08:16,279 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:08:16,281 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:08:16,281 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:08:16,281 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:08:16,282 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-14 04:08:16,282 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:08:16,282 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 04:08:16,283 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:08:16,284 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:08:16,284 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:08:16,284 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:08:16,285 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:08:16,285 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:08:16,285 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:08:16,285 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:08:16,286 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:08:16,286 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:08:16,290 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 04:08:16,297 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-14 04:08:16,298 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-14 04:08:16,300 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 04:08:16,300 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-14 04:08:16,300 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 04:08:16,300 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-01-14 04:08:16,301 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-14 04:08:16,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:08:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:08:16,464 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 04:08:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:08:16,512 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 04:08:16,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:08:16,746 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-01-14 04:08:16,747 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 171 states and 308 transitions. cyclomatic complexity: 139 Second operand 4 states. [2019-01-14 04:08:16,826 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 171 states and 308 transitions. cyclomatic complexity: 139. Second operand 4 states. Result 327 states and 596 transitions. Complement of second has 6 states. [2019-01-14 04:08:16,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-01-14 04:08:16,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-14 04:08:16,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 166 transitions. [2019-01-14 04:08:16,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 166 transitions. Stem has 14 letters. Loop has 7 letters. [2019-01-14 04:08:16,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:08:16,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 166 transitions. Stem has 21 letters. Loop has 7 letters. [2019-01-14 04:08:16,830 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:08:16,831 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 166 transitions. Stem has 14 letters. Loop has 14 letters. [2019-01-14 04:08:16,831 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:08:16,831 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 327 states and 596 transitions. [2019-01-14 04:08:16,835 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 04:08:16,836 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 327 states to 0 states and 0 transitions. [2019-01-14 04:08:16,836 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 04:08:16,836 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 04:08:16,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 04:08:16,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:08:16,836 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:08:16,837 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:08:16,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 04:08:16,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 04:08:16,837 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-01-14 04:08:16,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:08:16,837 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-01-14 04:08:16,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-14 04:08:16,840 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-01-14 04:08:16,840 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 04:08:16,841 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-01-14 04:08:16,841 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 04:08:16,841 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 04:08:16,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 04:08:16,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:08:16,841 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:08:16,841 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:08:16,841 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:08:16,842 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-14 04:08:16,842 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-14 04:08:16,842 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 04:08:16,842 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-14 04:08:16,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:08:16 BoogieIcfgContainer [2019-01-14 04:08:16,852 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:08:16,853 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:08:16,853 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:08:16,853 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:08:16,853 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:08:12" (3/4) ... [2019-01-14 04:08:16,859 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 04:08:16,860 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:08:16,861 INFO L168 Benchmark]: Toolchain (without parser) took 9397.22 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 221.2 MB). Free memory was 947.3 MB in the beginning and 998.3 MB in the end (delta: -50.9 MB). Peak memory consumption was 170.3 MB. Max. memory is 11.5 GB. [2019-01-14 04:08:16,863 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:08:16,864 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1211.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -148.2 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. [2019-01-14 04:08:16,866 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-01-14 04:08:16,867 INFO L168 Benchmark]: Boogie Preprocessor took 115.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-14 04:08:16,869 INFO L168 Benchmark]: RCFGBuilder took 3404.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 878.7 MB in the end (delta: 196.6 MB). Peak memory consumption was 196.6 MB. Max. memory is 11.5 GB. [2019-01-14 04:08:16,869 INFO L168 Benchmark]: BuchiAutomizer took 4480.62 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.2 MB). Free memory was 878.7 MB in the beginning and 998.3 MB in the end (delta: -119.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:08:16,870 INFO L168 Benchmark]: Witness Printer took 7.51 ms. Allocated memory is still 1.3 GB. Free memory is still 998.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:08:16,878 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1211.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -148.2 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 173.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 115.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3404.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 878.7 MB in the end (delta: 196.6 MB). Peak memory consumption was 196.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4480.62 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.2 MB). Free memory was 878.7 MB in the beginning and 998.3 MB in the end (delta: -119.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 7.51 ms. Allocated memory is still 1.3 GB. Free memory is still 998.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op1 + 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 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.2s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 308 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 171 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2004 SDtfs, 1844 SDslu, 2679 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: inital27 mio100 ax100 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 4ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...