./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/email_spec0_product27_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_spec0_product27_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 90b9f2788ab91822b91bcdad04163a3602b497c2 ..................................................................................................................................................................................................................................................................................................................................................................................... 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 04:07:28,347 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:07:28,350 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:07:28,364 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:07:28,365 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:07:28,366 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:07:28,367 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:07:28,369 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:07:28,371 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:07:28,372 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:07:28,373 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:07:28,373 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:07:28,374 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:07:28,376 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:07:28,377 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:07:28,378 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:07:28,379 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:07:28,381 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:07:28,384 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:07:28,385 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:07:28,387 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:07:28,388 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:07:28,391 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:07:28,391 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:07:28,392 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:07:28,393 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:07:28,394 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:07:28,395 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:07:28,396 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:07:28,398 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:07:28,398 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:07:28,399 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:07:28,399 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:07:28,399 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:07:28,400 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:07:28,402 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:07:28,402 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:07:28,418 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:07:28,419 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:07:28,420 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:07:28,421 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:07:28,421 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:07:28,421 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:07:28,421 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:07:28,421 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:07:28,421 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:07:28,422 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:07:28,423 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:07:28,423 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:07:28,423 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:07:28,423 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:07:28,424 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:07:28,424 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:07:28,424 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:07:28,425 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:07:28,425 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:07:28,425 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:07:28,425 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:07:28,425 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:07:28,425 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:07:28,426 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:07:28,426 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:07:28,426 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:07:28,426 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:07:28,426 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:07:28,426 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:07:28,428 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:07:28,428 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:07:28,429 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:07:28,429 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 -> 90b9f2788ab91822b91bcdad04163a3602b497c2 [2019-01-14 04:07:28,481 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:07:28,493 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:07:28,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:07:28,502 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:07:28,502 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:07:28,503 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/email_spec0_product27_true-unreach-call_true-termination.cil.c [2019-01-14 04:07:28,563 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7618ee30f/d1855247312f42e3be3b0f1e83f4acfa/FLAGf02b38399 [2019-01-14 04:07:29,138 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:07:29,138 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/email_spec0_product27_true-unreach-call_true-termination.cil.c [2019-01-14 04:07:29,169 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7618ee30f/d1855247312f42e3be3b0f1e83f4acfa/FLAGf02b38399 [2019-01-14 04:07:29,344 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7618ee30f/d1855247312f42e3be3b0f1e83f4acfa [2019-01-14 04:07:29,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:07:29,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:07:29,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:07:29,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:07:29,359 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:07:29,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:07:29" (1/1) ... [2019-01-14 04:07:29,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37f96735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:07:29, skipping insertion in model container [2019-01-14 04:07:29,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:07:29" (1/1) ... [2019-01-14 04:07:29,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:07:29,454 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:07:30,191 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:07:30,234 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:07:30,489 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:07:30,607 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:07:30,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:07:30 WrapperNode [2019-01-14 04:07:30,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:07:30,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:07:30,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:07:30,609 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:07:30,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:07:30" (1/1) ... [2019-01-14 04:07:30,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:07:30" (1/1) ... [2019-01-14 04:07:30,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:07:30,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:07:30,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:07:30,807 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:07:30,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:07:30" (1/1) ... [2019-01-14 04:07:30,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:07:30" (1/1) ... [2019-01-14 04:07:30,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:07:30" (1/1) ... [2019-01-14 04:07:30,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:07:30" (1/1) ... [2019-01-14 04:07:30,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:07:30" (1/1) ... [2019-01-14 04:07:30,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:07:30" (1/1) ... [2019-01-14 04:07:30,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:07:30" (1/1) ... [2019-01-14 04:07:30,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:07:30,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:07:30,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:07:30,977 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:07:30,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:07:30" (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 04:07:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-01-14 04:07:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:07:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:07:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:07:31,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:07:35,761 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:07:35,762 INFO L286 CfgBuilder]: Removed 685 assue(true) statements. [2019-01-14 04:07:35,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:07:35 BoogieIcfgContainer [2019-01-14 04:07:35,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:07:35,764 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:07:35,764 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:07:35,767 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:07:35,768 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:07:35,768 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:07:29" (1/3) ... [2019-01-14 04:07:35,769 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79305628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:07:35, skipping insertion in model container [2019-01-14 04:07:35,770 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:07:35,770 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:07:30" (2/3) ... [2019-01-14 04:07:35,770 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79305628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:07:35, skipping insertion in model container [2019-01-14 04:07:35,770 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:07:35,771 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:07:35" (3/3) ... [2019-01-14 04:07:35,772 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec0_product27_true-unreach-call_true-termination.cil.c [2019-01-14 04:07:35,822 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:07:35,822 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:07:35,822 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:07:35,822 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:07:35,822 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:07:35,823 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:07:35,823 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:07:35,823 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:07:35,823 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:07:35,862 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 940 states. [2019-01-14 04:07:35,964 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2019-01-14 04:07:35,964 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:07:35,964 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:07:35,981 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:07:35,981 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:07:35,981 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:07:35,982 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 940 states. [2019-01-14 04:07:35,997 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2019-01-14 04:07:35,997 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:07:35,997 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:07:36,000 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:07:36,000 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:07:36,008 INFO L794 eck$LassoCheckResult]: Stem: 272#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(16);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string14.base, #t~string14.offset, 1);call write~init~int(115, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(10, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(25);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(10);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(12);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(10);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(18);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(16);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(44);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(44);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(9);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(9);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(11);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(19);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string92.base, #t~string92.offset, 1);call write~init~int(100, #t~string92.base, 1 + #t~string92.offset, 1);call write~init~int(10, #t~string92.base, 2 + #t~string92.offset, 1);call write~init~int(0, #t~string92.base, 3 + #t~string92.offset, 1);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string95.base, #t~string95.offset, 1);call write~init~int(100, #t~string95.base, 1 + #t~string95.offset, 1);call write~init~int(10, #t~string95.base, 2 + #t~string95.offset, 1);call write~init~int(0, #t~string95.base, 3 + #t~string95.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(10);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(34);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(30);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(16);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(20);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(22);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(21);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0; 202#L-1true havoc main_#res;havoc main_#t~nondet86, main_#t~ret87, main_~retValue_acc~20, main_~tmp~9;main_~retValue_acc~20 := main_#t~nondet86;havoc main_#t~nondet86;havoc main_~tmp~9; 295#L348true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 28#L356true main_#t~ret87 := valid_product_#res;main_~tmp~9 := main_#t~ret87;havoc main_#t~ret87; 292#L1405true assume 0 != main_~tmp~9;havoc setup_#t~nondet81, setup_#t~nondet83, setup_#t~nondet85, 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; 194#L2975true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 868#L2981-2true 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; 926#L2540true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 613#L2546-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string80.base, #t~string80.offset;havoc setup_#t~nondet81;~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; 179#L2975-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 884#L2981-5true 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; 928#L2540-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 600#L2546-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string82.base, #t~string82.offset;havoc setup_#t~nondet83;~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; 182#L2975-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 853#L2981-8true 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; 910#L2540-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 605#L2546-8true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string84.base, #t~string84.offset;havoc setup_#t~nondet85; 95#L1392true havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, 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~0, 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~0;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; 199#L241-1true [2019-01-14 04:07:36,008 INFO L796 eck$LassoCheckResult]: Loop: 199#L241-1true assume !false; 190#L90true assume test_~splverifierCounter~0 < 4; 139#L91true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 675#L97true assume !(0 == test_~op1~0); 273#L110true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet1;havoc test_#t~nondet1; 77#L115true assume 0 != test_~tmp___8~0;setClientAutoResponse_#in~handle, setClientAutoResponse_#in~value := ~rjh~0, 1;havoc setClientAutoResponse_~handle, setClientAutoResponse_~value;setClientAutoResponse_~handle := setClientAutoResponse_#in~handle;setClientAutoResponse_~value := setClientAutoResponse_#in~value; 93#L2493true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 727#L2499-2true test_~op2~0 := 1; 199#L241-1true [2019-01-14 04:07:36,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:07:36,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-01-14 04:07:36,026 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:07:36,027 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:07:36,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:07:36,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:07:36,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:07:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:07:36,450 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 04:07:36,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:07:36,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 04:07:36,456 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-01-14 04:07:36,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:07:36,457 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2019-01-14 04:07:36,457 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:07:36,457 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:07:36,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:07:36,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:07:36,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:07:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:07:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:07:36,698 WARN L181 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-01-14 04:07:36,760 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 04:07:36,761 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 04:07:36,761 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 04:07:36,762 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 04:07:36,762 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 04:07:36,762 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:07:36,762 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 04:07:36,762 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 04:07:36,762 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product27_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2019-01-14 04:07:36,763 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 04:07:36,763 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 04:07:36,787 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 04:07:36,811 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 04:07:36,820 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 04:07:36,828 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 04:07:36,840 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 04:07:36,869 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 04:07:37,350 WARN L181 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-01-14 04:07:37,363 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 04:07:37,363 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 04:07:37,369 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:07:37,369 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 04:07:37,396 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 04:07:37,396 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:07:37,429 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-14 04:07:37,431 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 04:07:37,431 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 04:07:37,432 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 04:07:37,432 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 04:07:37,432 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 04:07:37,432 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:07:37,432 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 04:07:37,432 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 04:07:37,432 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product27_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2019-01-14 04:07:37,432 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 04:07:37,433 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 04:07:37,435 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 04:07:37,522 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 04:07:37,605 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 04:07:37,695 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 04:07:37,705 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 04:07:37,722 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 04:07:38,086 WARN L181 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-01-14 04:07:38,257 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 04:07:38,262 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 04:07:38,263 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 04:07:38,265 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:07:38,265 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:07:38,266 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:07:38,266 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-14 04:07:38,266 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:07:38,269 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 04:07:38,269 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:07:38,276 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:07:38,277 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 04:07:38,278 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:07:38,278 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:07:38,278 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:07:38,278 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:07:38,278 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:07:38,279 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:07:38,279 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:07:38,283 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 04:07:38,288 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-14 04:07:38,289 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-14 04:07:38,291 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 04:07:38,291 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-14 04:07:38,291 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 04:07:38,292 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 04:07:38,293 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-14 04:07:38,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:07:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:07:38,482 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 04:07:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:07:38,536 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 04:07:38,904 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 04:07:38,922 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 04:07:38,923 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 940 states. Second operand 5 states. [2019-01-14 04:07:39,230 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 940 states.. Second operand 5 states. Result 2507 states and 4256 transitions. Complement of second has 7 states. [2019-01-14 04:07:39,231 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 04:07:39,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-01-14 04:07:39,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2698 transitions. [2019-01-14 04:07:39,240 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2698 transitions. Stem has 18 letters. Loop has 8 letters. [2019-01-14 04:07:39,242 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:07:39,242 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2698 transitions. Stem has 26 letters. Loop has 8 letters. [2019-01-14 04:07:39,242 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:07:39,242 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2698 transitions. Stem has 18 letters. Loop has 16 letters. [2019-01-14 04:07:39,243 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:07:39,245 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2507 states and 4256 transitions. [2019-01-14 04:07:39,280 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 04:07:39,283 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2507 states to 0 states and 0 transitions. [2019-01-14 04:07:39,285 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 04:07:39,285 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 04:07:39,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 04:07:39,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:07:39,286 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:07:39,286 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:07:39,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 04:07:39,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 04:07:39,291 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-01-14 04:07:39,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:07:39,295 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-01-14 04:07:39,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-14 04:07:39,296 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-01-14 04:07:39,296 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 04:07:39,296 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-01-14 04:07:39,296 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 04:07:39,296 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 04:07:39,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 04:07:39,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:07:39,296 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:07:39,297 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:07:39,297 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:07:39,297 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:07:39,297 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-14 04:07:39,297 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 04:07:39,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-14 04:07:39,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:07:39 BoogieIcfgContainer [2019-01-14 04:07:39,305 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:07:39,306 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:07:39,306 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:07:39,306 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:07:39,307 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:07:35" (3/4) ... [2019-01-14 04:07:39,314 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 04:07:39,314 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:07:39,315 INFO L168 Benchmark]: Toolchain (without parser) took 9965.09 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 229.6 MB). Free memory was 942.0 MB in the beginning and 910.8 MB in the end (delta: 31.2 MB). Peak memory consumption was 260.8 MB. Max. memory is 11.5 GB. [2019-01-14 04:07:39,316 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:07:39,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1256.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -147.1 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. [2019-01-14 04:07:39,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 196.77 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: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-01-14 04:07:39,320 INFO L168 Benchmark]: Boogie Preprocessor took 170.47 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 04:07:39,320 INFO L168 Benchmark]: RCFGBuilder took 4786.44 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 99.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -73.1 MB). Peak memory consumption was 280.1 MB. Max. memory is 11.5 GB. [2019-01-14 04:07:39,322 INFO L168 Benchmark]: BuchiAutomizer took 3541.33 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 910.8 MB in the end (delta: 217.6 MB). Peak memory consumption was 217.6 MB. Max. memory is 11.5 GB. [2019-01-14 04:07:39,323 INFO L168 Benchmark]: Witness Printer took 8.14 ms. Allocated memory is still 1.3 GB. Free memory is still 910.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:07:39,331 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1256.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -147.1 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 196.77 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: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 170.47 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. * RCFGBuilder took 4786.44 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 99.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -73.1 MB). Peak memory consumption was 280.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3541.33 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 910.8 MB in the end (delta: 217.6 MB). Peak memory consumption was 217.6 MB. Max. memory is 11.5 GB. * Witness Printer took 8.14 ms. Allocated memory is still 1.3 GB. Free memory is still 910.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1603 SDtfs, 1603 SDslu, 3102 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax100 hnf100 lsp24 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq209 hnf86 smp100 dnf120 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...