./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/email_spec9_product30_false-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa 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_spec9_product30_false-unreach-call_true-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8ef0ddcff4707fdaf746d734f340f08ae1c1dcd7 ............................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 23:30:20,720 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:30:20,722 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:30:20,735 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:30:20,735 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:30:20,736 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:30:20,737 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:30:20,747 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:30:20,749 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:30:20,750 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:30:20,751 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:30:20,751 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:30:20,753 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:30:20,754 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:30:20,755 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:30:20,756 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:30:20,757 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:30:20,759 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:30:20,762 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:30:20,763 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:30:20,765 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:30:20,766 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:30:20,769 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:30:20,769 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:30:20,770 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:30:20,771 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:30:20,772 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:30:20,773 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:30:20,774 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:30:20,776 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:30:20,776 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:30:20,777 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:30:20,777 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:30:20,777 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:30:20,779 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:30:20,780 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:30:20,780 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:30:20,798 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:30:20,799 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:30:20,800 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:30:20,800 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:30:20,800 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:30:20,800 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:30:20,800 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:30:20,801 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:30:20,802 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:30:20,802 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:30:20,802 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:30:20,802 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:30:20,802 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:30:20,802 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:30:20,803 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:30:20,803 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:30:20,803 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:30:20,803 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:30:20,803 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:30:20,804 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:30:20,805 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:30:20,805 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:30:20,805 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:30:20,806 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:30:20,806 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:30:20,806 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:30:20,806 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:30:20,806 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:30:20,808 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:30:20,808 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:30:20,808 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:30:20,809 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:30:20,809 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 -> 8ef0ddcff4707fdaf746d734f340f08ae1c1dcd7 [2019-01-01 23:30:20,845 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:30:20,858 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:30:20,863 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:30:20,865 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:30:20,865 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:30:20,866 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/email_spec9_product30_false-unreach-call_true-termination.cil.c [2019-01-01 23:30:20,931 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9d7b5c86/5710c58a5bfd4e6e9676c097f0b0267b/FLAG0b400c118 [2019-01-01 23:30:21,513 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:30:21,514 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/email_spec9_product30_false-unreach-call_true-termination.cil.c [2019-01-01 23:30:21,545 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9d7b5c86/5710c58a5bfd4e6e9676c097f0b0267b/FLAG0b400c118 [2019-01-01 23:30:21,719 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9d7b5c86/5710c58a5bfd4e6e9676c097f0b0267b [2019-01-01 23:30:21,723 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:30:21,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:30:21,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:30:21,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:30:21,735 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:30:21,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:30:21" (1/1) ... [2019-01-01 23:30:21,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77427431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:30:21, skipping insertion in model container [2019-01-01 23:30:21,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:30:21" (1/1) ... [2019-01-01 23:30:21,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:30:21,848 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:30:22,609 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:30:22,638 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:30:22,852 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:30:22,944 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:30:22,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:30:22 WrapperNode [2019-01-01 23:30:22,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:30:22,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:30:22,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:30:22,948 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:30:22,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:30:22" (1/1) ... [2019-01-01 23:30:22,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:30:22" (1/1) ... [2019-01-01 23:30:23,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:30:23,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:30:23,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:30:23,091 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:30:23,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:30:22" (1/1) ... [2019-01-01 23:30:23,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:30:22" (1/1) ... [2019-01-01 23:30:23,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:30:22" (1/1) ... [2019-01-01 23:30:23,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:30:22" (1/1) ... [2019-01-01 23:30:23,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:30:22" (1/1) ... [2019-01-01 23:30:23,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:30:22" (1/1) ... [2019-01-01 23:30:23,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:30:22" (1/1) ... [2019-01-01 23:30:23,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:30:23,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:30:23,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:30:23,235 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:30:23,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:30:22" (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 [2019-01-01 23:30:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-01-01 23:30:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:30:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:30:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:30:23,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:30:26,803 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:30:26,803 INFO L280 CfgBuilder]: Removed 323 assue(true) statements. [2019-01-01 23:30:26,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:30:26 BoogieIcfgContainer [2019-01-01 23:30:26,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:30:26,805 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:30:26,805 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:30:26,809 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:30:26,810 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:30:26,811 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:30:21" (1/3) ... [2019-01-01 23:30:26,812 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6fb56e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:30:26, skipping insertion in model container [2019-01-01 23:30:26,814 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:30:26,814 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:30:22" (2/3) ... [2019-01-01 23:30:26,815 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6fb56e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:30:26, skipping insertion in model container [2019-01-01 23:30:26,815 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:30:26,815 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:30:26" (3/3) ... [2019-01-01 23:30:26,817 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec9_product30_false-unreach-call_true-termination.cil.c [2019-01-01 23:30:26,881 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:30:26,881 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:30:26,882 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:30:26,882 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:30:26,882 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:30:26,882 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:30:26,882 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:30:26,882 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:30:26,882 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:30:26,916 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 503 states. [2019-01-01 23:30:26,994 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2019-01-01 23:30:26,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:30:26,995 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:30:27,006 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:30:27,006 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:30:27,006 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:30:27,006 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 503 states. [2019-01-01 23:30:27,020 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2019-01-01 23:30:27,020 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:30:27,020 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:30:27,023 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:30:27,023 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:30:27,031 INFO L794 eck$LassoCheckResult]: Stem: 347#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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(44);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(44);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(9);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(9);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(11);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(19);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string18.base, #t~string18.offset, 1);call write~init~int(100, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(10, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string21.base, #t~string21.offset, 1);call write~init~int(100, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(10, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(10);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(16);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(20);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(22);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(10);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(12);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(10);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(18);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(16);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(21);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(13);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(16);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(25);~__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;~in_encrypted~0 := 0;call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(17);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(17);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(13);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(17);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string97.base, #t~string97.offset, 1);call write~init~int(115, #t~string97.base, 1 + #t~string97.offset, 1);call write~init~int(10, #t~string97.base, 2 + #t~string97.offset, 1);call write~init~int(0, #t~string97.base, 3 + #t~string97.offset, 1);~__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~string117.base, #t~string117.offset := #Ultimate.allocOnStack(30);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(9);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(21);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(30);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(9);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(21);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(30);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(9);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(25);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(30);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(9);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(25); 248#L-1true havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 310#L1958true havoc valid_product_#res;havoc valid_product_~retValue_acc~28;havoc valid_product_~retValue_acc~28;valid_product_~retValue_acc~28 := 1;valid_product_#res := valid_product_~retValue_acc~28; 451#L1966true main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 343#L220true assume 0 != main_~tmp~1;havoc setup_#t~nondet8, setup_#t~nondet10, setup_#t~nondet12, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.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_tmp3~0.base, setup_~__cil_tmp3~0.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; 186#L1919true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 296#L1925-2true 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; 461#L1484true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 45#L1490-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string7.base, #t~string7.offset;havoc setup_#t~nondet8;~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; 62#L1919-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 304#L1925-5true 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; 467#L1484-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 23#L1490-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~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; 63#L1919-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 280#L1925-8true 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; 325#L1484-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 31#L1490-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 315#L207true havoc test_#t~nondet134, test_#t~nondet135, test_#t~nondet136, test_#t~nondet137, test_#t~nondet138, test_#t~nondet139, test_#t~nondet140, test_#t~nondet141, test_#t~nondet142, test_#t~nondet143, test_#t~nondet144, 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~24, test_~tmp___0~8, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~24;havoc test_~tmp___0~8;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 187#L2987-1true [2019-01-01 23:30:27,031 INFO L796 eck$LassoCheckResult]: Loop: 187#L2987-1true assume !false; 142#L2842true assume test_~splverifierCounter~0 < 4; 230#L2843true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 473#L2849true assume !(0 == test_~op1~0); 381#L2862true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet135;havoc test_#t~nondet135; 8#L2867true 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; 67#L1437true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 165#L1443-2true test_~op2~0 := 1; 187#L2987-1true [2019-01-01 23:30:27,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:30:27,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-01-01 23:30:27,040 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:30:27,040 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:30:27,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:30:27,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:30:27,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:30:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:30:27,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:30:27,416 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:30:27,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:30:27,420 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-01-01 23:30:27,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:30:27,421 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2019-01-01 23:30:27,421 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:30:27,421 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:30:27,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:30:27,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:30:27,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:30:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:30:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:30:27,788 WARN L181 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-01-01 23:30:27,889 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:30:27,891 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:30:27,891 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:30:27,891 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:30:27,892 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:30:27,892 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:30:27,892 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:30:27,892 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:30:27,892 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec9_product30_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2019-01-01 23:30:27,892 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:30:27,893 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:30:27,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:30:27,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:30:27,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:30:27,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:30:27,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:30:27,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:30:28,222 WARN L181 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-01-01 23:30:28,345 WARN L181 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-01 23:30:28,639 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:30:28,640 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 [2019-01-01 23:30:28,646 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:30:28,646 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:30:28,661 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:30:28,661 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_#in~value=1, ULTIMATE.start_setClientAutoResponse_~value=1} Honda state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_#in~value=1, ULTIMATE.start_setClientAutoResponse_~value=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 [2019-01-01 23:30:28,698 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:30:28,698 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 [2019-01-01 23:30:28,771 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:30:28,771 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:30:28,840 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 23:30:28,842 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:30:28,843 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:30:28,843 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:30:28,843 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:30:28,843 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:30:28,843 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:30:28,843 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:30:28,844 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:30:28,844 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec9_product30_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2019-01-01 23:30:28,844 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:30:28,844 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:30:28,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:30:28,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:30:29,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:30:29,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:30:29,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:30:29,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:30:29,385 WARN L181 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-01-01 23:30:29,522 WARN L181 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-01 23:30:29,629 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:30:29,634 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:30:29,636 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 [2019-01-01 23:30:29,639 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:30:29,639 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:30:29,640 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:30:29,640 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:30:29,640 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:30:29,642 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:30:29,642 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:30:29,647 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 23:30:29,651 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-01 23:30:29,652 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-01 23:30:29,654 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 23:30:29,654 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 23:30:29,655 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 23:30:29,655 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-01-01 23:30:29,656 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 23:30:29,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:30:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:30:29,884 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:30:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:30:29,939 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:30:30,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:30:30,318 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 [2019-01-01 23:30:30,319 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 503 states. Second operand 5 states. [2019-01-01 23:30:30,526 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 503 states.. Second operand 5 states. Result 1243 states and 2156 transitions. Complement of second has 7 states. [2019-01-01 23:30:30,528 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 [2019-01-01 23:30:30,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-01-01 23:30:30,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1325 transitions. [2019-01-01 23:30:30,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1325 transitions. Stem has 18 letters. Loop has 8 letters. [2019-01-01 23:30:30,538 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:30:30,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1325 transitions. Stem has 26 letters. Loop has 8 letters. [2019-01-01 23:30:30,539 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:30:30,539 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1325 transitions. Stem has 18 letters. Loop has 16 letters. [2019-01-01 23:30:30,540 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:30:30,542 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1243 states and 2156 transitions. [2019-01-01 23:30:30,567 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:30:30,571 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1243 states to 0 states and 0 transitions. [2019-01-01 23:30:30,573 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 23:30:30,573 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 23:30:30,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 23:30:30,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:30:30,574 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:30:30,574 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:30:30,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 23:30:30,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 23:30:30,581 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-01-01 23:30:30,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:30:30,585 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-01-01 23:30:30,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-01 23:30:30,586 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-01-01 23:30:30,586 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:30:30,587 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-01-01 23:30:30,587 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 23:30:30,587 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 23:30:30,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 23:30:30,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:30:30,587 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:30:30,588 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:30:30,588 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:30:30,588 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:30:30,588 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-01 23:30:30,588 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:30:30,588 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-01 23:30:30,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:30:30 BoogieIcfgContainer [2019-01-01 23:30:30,602 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:30:30,604 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:30:30,605 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:30:30,605 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:30:30,606 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:30:26" (3/4) ... [2019-01-01 23:30:30,611 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 23:30:30,611 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:30:30,612 INFO L168 Benchmark]: Toolchain (without parser) took 8887.86 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 238.0 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -126.8 MB). Peak memory consumption was 111.3 MB. Max. memory is 11.5 GB. [2019-01-01 23:30:30,614 INFO L168 Benchmark]: CDTParser took 0.15 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. [2019-01-01 23:30:30,615 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1218.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -160.1 MB). Peak memory consumption was 56.6 MB. Max. memory is 11.5 GB. [2019-01-01 23:30:30,617 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.53 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-01-01 23:30:30,619 INFO L168 Benchmark]: Boogie Preprocessor took 143.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-01 23:30:30,621 INFO L168 Benchmark]: RCFGBuilder took 3569.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 873.4 MB in the end (delta: 215.2 MB). Peak memory consumption was 215.2 MB. Max. memory is 11.5 GB. [2019-01-01 23:30:30,622 INFO L168 Benchmark]: BuchiAutomizer took 3798.35 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.1 MB). Free memory was 873.4 MB in the beginning and 1.1 GB in the end (delta: -202.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:30:30,623 INFO L168 Benchmark]: Witness Printer took 7.32 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:30:30,633 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 1218.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -160.1 MB). Peak memory consumption was 56.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 144.53 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 143.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3569.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 873.4 MB in the end (delta: 215.2 MB). Peak memory consumption was 215.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3798.35 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.1 MB). Free memory was 873.4 MB in the beginning and 1.1 GB in the end (delta: -202.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 7.32 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 3.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. 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: 876 SDtfs, 876 SDslu, 1648 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: sat Degree: 0 Time: 19ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 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...