./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/email_spec27_productSimulator.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 00c9e1a099c677823479bd4f594077c4ede4cb4c .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 03:36:15,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 03:36:15,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 03:36:15,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 03:36:15,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 03:36:15,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 03:36:15,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 03:36:15,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 03:36:15,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 03:36:15,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 03:36:15,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 03:36:15,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 03:36:15,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 03:36:15,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 03:36:15,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 03:36:15,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 03:36:15,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 03:36:15,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 03:36:15,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 03:36:15,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 03:36:15,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 03:36:15,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 03:36:15,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 03:36:15,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 03:36:15,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 03:36:15,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 03:36:15,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 03:36:15,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 03:36:15,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 03:36:15,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 03:36:15,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 03:36:15,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 03:36:15,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 03:36:15,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 03:36:15,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 03:36:15,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 03:36:15,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 03:36:15,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 03:36:15,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 03:36:15,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 03:36:15,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 03:36:16,004 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 03:36:16,019 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 03:36:16,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 03:36:16,019 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 03:36:16,019 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 03:36:16,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 03:36:16,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 03:36:16,020 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 03:36:16,021 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 03:36:16,021 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 03:36:16,021 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 03:36:16,021 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 03:36:16,021 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 03:36:16,021 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 03:36:16,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 03:36:16,021 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 03:36:16,022 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 03:36:16,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 03:36:16,022 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 03:36:16,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 03:36:16,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 03:36:16,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 03:36:16,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 03:36:16,023 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 03:36:16,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 03:36:16,023 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 03:36:16,023 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 03:36:16,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 03:36:16,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 03:36:16,023 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 03:36:16,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 03:36:16,024 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 03:36:16,024 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 03:36:16,024 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 03:36:16,025 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00c9e1a099c677823479bd4f594077c4ede4cb4c [2021-08-31 03:36:16,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 03:36:16,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 03:36:16,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 03:36:16,281 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 03:36:16,282 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 03:36:16,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c [2021-08-31 03:36:16,330 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afbeba29f/ca0acda1bf3d41e3bf63cd3accbf580d/FLAG49c07133c [2021-08-31 03:36:16,781 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 03:36:16,783 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c [2021-08-31 03:36:16,804 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afbeba29f/ca0acda1bf3d41e3bf63cd3accbf580d/FLAG49c07133c [2021-08-31 03:36:17,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afbeba29f/ca0acda1bf3d41e3bf63cd3accbf580d [2021-08-31 03:36:17,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 03:36:17,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 03:36:17,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 03:36:17,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 03:36:17,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 03:36:17,076 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:36:17" (1/1) ... [2021-08-31 03:36:17,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@126b39d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:36:17, skipping insertion in model container [2021-08-31 03:36:17,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:36:17" (1/1) ... [2021-08-31 03:36:17,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 03:36:17,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 03:36:17,322 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c[10913,10926] [2021-08-31 03:36:17,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:36:17,563 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 03:36:17,589 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c[10913,10926] [2021-08-31 03:36:17,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:36:17,696 INFO L208 MainTranslator]: Completed translation [2021-08-31 03:36:17,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:36:17 WrapperNode [2021-08-31 03:36:17,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 03:36:17,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 03:36:17,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 03:36:17,698 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 03:36:17,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:36:17" (1/1) ... [2021-08-31 03:36:17,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:36:17" (1/1) ... [2021-08-31 03:36:21,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 03:36:21,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 03:36:21,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 03:36:21,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 03:36:21,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:36:17" (1/1) ... [2021-08-31 03:36:21,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:36:17" (1/1) ... [2021-08-31 03:36:22,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:36:17" (1/1) ... [2021-08-31 03:36:22,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:36:17" (1/1) ... [2021-08-31 03:36:23,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:36:17" (1/1) ... [2021-08-31 03:36:24,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:36:17" (1/1) ... [2021-08-31 03:36:24,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:36:17" (1/1) ... [2021-08-31 03:36:25,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 03:36:25,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 03:36:25,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 03:36:25,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 03:36:25,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:36:17" (1/1) ... [2021-08-31 03:36:25,025 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:36:25,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:36:25,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:36:25,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-31 03:36:25,063 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-08-31 03:36:25,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 03:36:25,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 03:36:25,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 03:36:25,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 03:36:32,430 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 03:36:32,431 INFO L299 CfgBuilder]: Removed 40731 assume(true) statements. [2021-08-31 03:36:32,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:36:32 BoogieIcfgContainer [2021-08-31 03:36:32,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 03:36:32,464 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 03:36:32,464 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 03:36:32,466 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 03:36:32,467 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:36:32,467 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 03:36:17" (1/3) ... [2021-08-31 03:36:32,467 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e7268ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:36:32, skipping insertion in model container [2021-08-31 03:36:32,468 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:36:32,468 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:36:17" (2/3) ... [2021-08-31 03:36:32,468 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e7268ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:36:32, skipping insertion in model container [2021-08-31 03:36:32,468 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:36:32,468 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:36:32" (3/3) ... [2021-08-31 03:36:32,469 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec27_productSimulator.cil.c [2021-08-31 03:36:32,510 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 03:36:32,510 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 03:36:32,510 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 03:36:32,510 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 03:36:32,510 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 03:36:32,510 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 03:36:32,510 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 03:36:32,510 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 03:36:32,949 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 44692 states, 44691 states have (on average 1.6403078919693004) internal successors, (73307), 44691 states have internal predecessors, (73307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:36:33,618 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2021-08-31 03:36:33,618 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:36:33,619 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:36:33,627 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:36:33,627 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:36:33,627 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 03:36:33,684 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 44692 states, 44691 states have (on average 1.6403078919693004) internal successors, (73307), 44691 states have internal predecessors, (73307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:36:33,932 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2021-08-31 03:36:33,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:36:33,932 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:36:33,936 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:36:33,936 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:36:33,946 INFO L791 eck$LassoCheckResult]: Stem: 31548#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(36);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string42.base, #t~string42.offset, 1);call write~init~int(115, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(10, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(16);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(10);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(34);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(30);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(16);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(20);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(22);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(21);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(44);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(44);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(9);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(9);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(11);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(19);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string127.base, #t~string127.offset, 1);call write~init~int(100, #t~string127.base, 1 + #t~string127.offset, 1);call write~init~int(10, #t~string127.base, 2 + #t~string127.offset, 1);call write~init~int(0, #t~string127.base, 3 + #t~string127.offset, 1);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string130.base, #t~string130.offset, 1);call write~init~int(100, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(10, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 3 + #t~string130.offset, 1);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(10);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(12);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(10);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(18);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(16);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(21);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(13);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(16);call #t~string162.base, #t~string162.offset := #Ultimate.allocOnStack(25);~head~0.base, ~head~0.offset := 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;~__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;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 27945#L-1true havoc main_#res;havoc main_#t~ret122, main_~retValue_acc~39, main_~tmp~21;havoc main_~retValue_acc~39;havoc main_~tmp~21;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 13937#L481true havoc select_features_#t~ret45, select_features_#t~ret46, select_features_#t~ret47, select_features_#t~ret48, select_features_#t~ret49, select_features_#t~ret50, select_features_#t~ret51, select_features_#t~ret52;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 35694#L454true select_features_#t~ret45 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret45;havoc select_features_#t~ret45;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 18040#L454-1true select_features_#t~ret46 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret46;havoc select_features_#t~ret46;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 14839#L454-2true select_features_#t~ret47 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret47;havoc select_features_#t~ret47;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 6777#L454-3true select_features_#t~ret48 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret48;havoc select_features_#t~ret48;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 31863#L454-4true select_features_#t~ret49 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret49;havoc select_features_#t~ret49;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 4211#L454-5true select_features_#t~ret50 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret50;havoc select_features_#t~ret50;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 13524#L454-6true select_features_#t~ret51 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret51;havoc select_features_#t~ret51;~__SELECTED_FEATURE_Verify~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 2235#L454-7true select_features_#t~ret52 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret52;havoc select_features_#t~ret52; 40227#L473true havoc valid_product_#res;havoc valid_product_~retValue_acc~5, valid_product_~tmp~3;havoc valid_product_~retValue_acc~5;havoc valid_product_~tmp~3; 33293#L489true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 10434#L492true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~3 := 0; 44185#L492-1true valid_product_~retValue_acc~5 := valid_product_~tmp~3;valid_product_#res := valid_product_~retValue_acc~5; 39139#L549true main_#t~ret122 := valid_product_#res;main_~tmp~21 := main_#t~ret122;havoc main_#t~ret122; 39020#L3107true assume 0 != main_~tmp~21;havoc setup_#t~nondet117, setup_#t~nondet119, setup_#t~nondet121, 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; 28589#L2951true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 15462#L1617-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 35778#L1623-5true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string116.base, #t~string116.offset;havoc setup_#t~nondet117;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 20808#L2989true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 690#L1617-6true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 30276#L1623-11true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string118.base, #t~string118.offset;havoc setup_#t~nondet119;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 17916#L3027true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 24353#L1617-10true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3547#L1623-17true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string120.base, #t~string120.offset;havoc setup_#t~nondet121; 30175#L3094true havoc test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, 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~6, 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~6;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; 44164#L1876-1true [2021-08-31 03:36:33,948 INFO L793 eck$LassoCheckResult]: Loop: 44164#L1876-1true assume !false; 13435#L1685true assume test_~splverifierCounter~0 < 4; 12922#L1686true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 5936#L1692true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet55;havoc test_#t~nondet55; 8038#L1696true assume 0 != test_~tmp___9~0; 32165#L1697true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 20140#L1697-1true test_~op1~0 := 1; 44164#L1876-1true [2021-08-31 03:36:33,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:36:33,960 INFO L82 PathProgramCache]: Analyzing trace with hash -2102633898, now seen corresponding path program 1 times [2021-08-31 03:36:33,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:36:33,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141721002] [2021-08-31 03:36:33,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:36:33,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:36:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:36:34,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 03:36:34,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:36:34,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141721002] [2021-08-31 03:36:34,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141721002] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:36:34,254 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:36:34,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 03:36:34,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460498417] [2021-08-31 03:36:34,265 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 03:36:34,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:36:34,266 INFO L82 PathProgramCache]: Analyzing trace with hash 569592791, now seen corresponding path program 1 times [2021-08-31 03:36:34,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:36:34,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333767863] [2021-08-31 03:36:34,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:36:34,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:36:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:36:34,277 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:36:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:36:34,305 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:36:34,356 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 03:36:34,356 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 03:36:34,357 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 03:36:34,357 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 03:36:34,357 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-31 03:36:34,357 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:36:34,357 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 03:36:34,357 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 03:36:34,357 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration1_Loop [2021-08-31 03:36:34,358 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 03:36:34,358 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 03:36:34,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:36:34,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:36:34,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:36:34,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:36:34,440 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 03:36:34,441 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-31 03:36:34,442 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:36:34,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:36:34,444 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:36:34,450 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 03:36:34,450 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:36:34,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-08-31 03:36:34,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-08-31 03:36:34,488 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:36:34,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:36:34,489 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:36:34,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-08-31 03:36:34,491 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-31 03:36:34,492 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:36:34,515 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-31 03:36:34,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-08-31 03:36:34,533 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 03:36:34,533 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 03:36:34,533 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 03:36:34,533 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 03:36:34,533 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 03:36:34,533 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:36:34,533 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 03:36:34,533 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 03:36:34,533 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration1_Loop [2021-08-31 03:36:34,533 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 03:36:34,533 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 03:36:34,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:36:34,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:36:34,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:36:34,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:36:34,576 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 03:36:34,579 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 03:36:34,580 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:36:34,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:36:34,581 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:36:34,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-08-31 03:36:34,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 03:36:34,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 03:36:34,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 03:36:34,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 03:36:34,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 03:36:34,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 03:36:34,592 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 03:36:34,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 03:36:34,603 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 03:36:34,608 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-31 03:36:34,608 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-31 03:36:34,608 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:36:34,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:36:34,617 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:36:34,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-08-31 03:36:34,652 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 03:36:34,652 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-31 03:36:34,653 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 03:36:34,653 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] [2021-08-31 03:36:34,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-08-31 03:36:34,673 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-31 03:36:34,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:36:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:36:34,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 03:36:34,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 03:36:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:36:34,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 03:36:34,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 03:36:34,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 03:36:34,967 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-08-31 03:36:35,018 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 44692 states, 44691 states have (on average 1.6403078919693004) internal successors, (73307), 44691 states have internal predecessors, (73307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:36:37,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-08-31 03:38:55,489 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 44692 states, 44691 states have (on average 1.6403078919693004) internal successors, (73307), 44691 states have internal predecessors, (73307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 222831 states and 364384 transitions. Complement of second has 7 states. [2021-08-31 03:38:55,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-31 03:38:55,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:38:55,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 219108 transitions. [2021-08-31 03:38:55,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 219108 transitions. Stem has 27 letters. Loop has 7 letters. [2021-08-31 03:38:55,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 03:38:55,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 219108 transitions. Stem has 34 letters. Loop has 7 letters. [2021-08-31 03:38:55,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 03:38:55,674 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 219108 transitions. Stem has 27 letters. Loop has 14 letters. [2021-08-31 03:38:55,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 03:38:55,675 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 222831 states and 364384 transitions. [2021-08-31 03:38:56,639 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 435 [2021-08-31 03:38:56,646 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 222831 states to 990 states and 1812 transitions. [2021-08-31 03:38:56,647 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 501 [2021-08-31 03:38:56,648 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 502 [2021-08-31 03:38:56,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 990 states and 1812 transitions. [2021-08-31 03:38:56,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 03:38:56,651 INFO L681 BuchiCegarLoop]: Abstraction has 990 states and 1812 transitions. [2021-08-31 03:38:56,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states and 1812 transitions. [2021-08-31 03:38:56,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 555. [2021-08-31 03:38:56,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 555 states have (on average 1.8216216216216217) internal successors, (1011), 554 states have internal predecessors, (1011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:38:56,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1011 transitions. [2021-08-31 03:38:56,683 INFO L704 BuchiCegarLoop]: Abstraction has 555 states and 1011 transitions. [2021-08-31 03:38:56,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:38:56,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 03:38:56,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-31 03:38:56,687 INFO L87 Difference]: Start difference. First operand 555 states and 1011 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:38:58,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:38:58,120 INFO L93 Difference]: Finished difference Result 558 states and 1013 transitions. [2021-08-31 03:38:58,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-31 03:38:58,121 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 558 states and 1013 transitions. [2021-08-31 03:38:58,123 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2021-08-31 03:38:58,125 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 558 states to 555 states and 1004 transitions. [2021-08-31 03:38:58,125 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 284 [2021-08-31 03:38:58,125 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 284 [2021-08-31 03:38:58,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 555 states and 1004 transitions. [2021-08-31 03:38:58,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 03:38:58,125 INFO L681 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-08-31 03:38:58,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states and 1004 transitions. [2021-08-31 03:38:58,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2021-08-31 03:38:58,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 555 states have (on average 1.809009009009009) internal successors, (1004), 554 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:38:58,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1004 transitions. [2021-08-31 03:38:58,136 INFO L704 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-08-31 03:38:58,136 INFO L587 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-08-31 03:38:58,136 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 03:38:58,136 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 555 states and 1004 transitions. [2021-08-31 03:38:58,137 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2021-08-31 03:38:58,137 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:38:58,137 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:38:58,138 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:38:58,138 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:38:58,138 INFO L791 eck$LassoCheckResult]: Stem: 269324#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(36);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string42.base, #t~string42.offset, 1);call write~init~int(115, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(10, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(16);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(10);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(34);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(30);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(16);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(20);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(22);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(21);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(44);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(44);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(9);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(9);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(11);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(19);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string127.base, #t~string127.offset, 1);call write~init~int(100, #t~string127.base, 1 + #t~string127.offset, 1);call write~init~int(10, #t~string127.base, 2 + #t~string127.offset, 1);call write~init~int(0, #t~string127.base, 3 + #t~string127.offset, 1);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string130.base, #t~string130.offset, 1);call write~init~int(100, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(10, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 3 + #t~string130.offset, 1);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(10);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(12);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(10);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(18);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(16);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(21);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(13);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(16);call #t~string162.base, #t~string162.offset := #Ultimate.allocOnStack(25);~head~0.base, ~head~0.offset := 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;~__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;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 269262#L-1 havoc main_#res;havoc main_#t~ret122, main_~retValue_acc~39, main_~tmp~21;havoc main_~retValue_acc~39;havoc main_~tmp~21;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 269240#L481 havoc select_features_#t~ret45, select_features_#t~ret46, select_features_#t~ret47, select_features_#t~ret48, select_features_#t~ret49, select_features_#t~ret50, select_features_#t~ret51, select_features_#t~ret52;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 268790#L454 select_features_#t~ret45 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret45;havoc select_features_#t~ret45;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 268791#L454-1 select_features_#t~ret46 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret46;havoc select_features_#t~ret46;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 268859#L454-2 select_features_#t~ret47 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret47;havoc select_features_#t~ret47;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 268860#L454-3 select_features_#t~ret48 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret48;havoc select_features_#t~ret48;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 269044#L454-4 select_features_#t~ret49 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret49;havoc select_features_#t~ret49;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 269260#L454-5 select_features_#t~ret50 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret50;havoc select_features_#t~ret50;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 269156#L454-6 select_features_#t~ret51 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret51;havoc select_features_#t~ret51;~__SELECTED_FEATURE_Verify~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 269135#L454-7 select_features_#t~ret52 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret52;havoc select_features_#t~ret52; 269136#L473 havoc valid_product_#res;havoc valid_product_~retValue_acc~5, valid_product_~tmp~3;havoc valid_product_~retValue_acc~5;havoc valid_product_~tmp~3; 269163#L489 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 269225#L493 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 269061#L498 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 268932#L503 assume 0 == ~__SELECTED_FEATURE_Sign~0; 268897#L508 assume 0 == ~__SELECTED_FEATURE_Verify~0; 268898#L513 assume 0 == ~__SELECTED_FEATURE_Sign~0; 268818#L518 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~3 := 1; 268819#L492-1 valid_product_~retValue_acc~5 := valid_product_~tmp~3;valid_product_#res := valid_product_~retValue_acc~5; 268947#L549 main_#t~ret122 := valid_product_#res;main_~tmp~21 := main_#t~ret122;havoc main_#t~ret122; 268948#L3107 assume 0 != main_~tmp~21;havoc setup_#t~nondet117, setup_#t~nondet119, setup_#t~nondet121, 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; 269144#L2951 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 269145#L1617-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 269018#L1623-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string116.base, #t~string116.offset;havoc setup_#t~nondet117;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 269019#L2989 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 268771#L1617-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 268772#L1623-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string118.base, #t~string118.offset;havoc setup_#t~nondet119;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 268848#L3027 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 269078#L1617-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 268865#L1623-17 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string120.base, #t~string120.offset;havoc setup_#t~nondet121; 269296#L3094 havoc test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, 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~6, 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~6;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; 269297#L1876-1 assume !false; 268998#L1685 [2021-08-31 03:38:58,138 INFO L793 eck$LassoCheckResult]: Loop: 268998#L1685 assume test_~splverifierCounter~0 < 4; 268999#L1686 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 269268#L1692 assume !(0 == test_~op1~0); 268908#L1709 assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet56;havoc test_#t~nondet56; 269093#L1714 assume 0 != test_~tmp___8~0; 268895#L1715 assume !(0 != ~__SELECTED_FEATURE_AutoResponder~0); 268872#L1715-1 test_~op2~0 := 1; 268828#L1876-1 assume !false; 268998#L1685 [2021-08-31 03:38:58,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:38:58,138 INFO L82 PathProgramCache]: Analyzing trace with hash 507241003, now seen corresponding path program 1 times [2021-08-31 03:38:58,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:38:58,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003491174] [2021-08-31 03:38:58,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:38:58,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:38:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:38:58,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 03:38:58,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:38:58,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003491174] [2021-08-31 03:38:58,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003491174] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:38:58,242 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:38:58,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 03:38:58,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564678427] [2021-08-31 03:38:58,243 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 03:38:58,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:38:58,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1422577527, now seen corresponding path program 1 times [2021-08-31 03:38:58,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:38:58,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872681008] [2021-08-31 03:38:58,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:38:58,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:38:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:38:58,249 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:38:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:38:58,258 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:38:58,294 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 03:38:58,294 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 03:38:58,294 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 03:38:58,295 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 03:38:58,295 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-31 03:38:58,295 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:38:58,295 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 03:38:58,295 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 03:38:58,295 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration2_Loop [2021-08-31 03:38:58,295 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 03:38:58,295 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 03:38:58,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:38:58,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:38:58,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:38:58,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:38:58,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:38:58,368 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 03:38:58,368 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-31 03:38:58,368 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:38:58,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:38:58,394 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:38:58,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-08-31 03:38:58,434 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 03:38:58,434 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:38:58,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-08-31 03:38:58,471 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:38:58,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:38:58,472 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:38:58,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-08-31 03:38:58,474 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-31 03:38:58,474 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:38:58,498 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-31 03:38:58,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-08-31 03:38:58,541 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 03:38:58,541 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 03:38:58,541 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 03:38:58,541 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 03:38:58,541 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 03:38:58,541 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:38:58,541 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 03:38:58,541 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 03:38:58,541 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration2_Loop [2021-08-31 03:38:58,541 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 03:38:58,541 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 03:38:58,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:38:58,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:38:58,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:38:58,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:38:58,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:38:58,613 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 03:38:58,613 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 03:38:58,613 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:38:58,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:38:58,616 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:38:58,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-08-31 03:38:58,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 03:38:58,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 03:38:58,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 03:38:58,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 03:38:58,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 03:38:58,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 03:38:58,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 03:38:58,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 03:38:58,629 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 03:38:58,632 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-31 03:38:58,632 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-31 03:38:58,632 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:38:58,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:38:58,633 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:38:58,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-08-31 03:38:58,634 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 03:38:58,634 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-31 03:38:58,634 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 03:38:58,635 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2021-08-31 03:38:58,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-08-31 03:38:58,656 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-31 03:38:58,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:38:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:38:58,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 03:38:58,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 03:38:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:38:58,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 03:38:58,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 03:38:58,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 03:38:58,896 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 [2021-08-31 03:38:58,896 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 555 states and 1004 transitions. cyclomatic complexity: 451 Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:39:00,688 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 555 states and 1004 transitions. cyclomatic complexity: 451. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2006 states and 3673 transitions. Complement of second has 6 states. [2021-08-31 03:39:00,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-31 03:39:00,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:39:00,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1089 transitions. [2021-08-31 03:39:00,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 8 letters. [2021-08-31 03:39:00,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 03:39:00,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 41 letters. Loop has 8 letters. [2021-08-31 03:39:00,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 03:39:00,695 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 16 letters. [2021-08-31 03:39:00,696 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 03:39:00,696 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2006 states and 3673 transitions. [2021-08-31 03:39:00,700 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 425 [2021-08-31 03:39:00,709 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2006 states to 1996 states and 3655 transitions. [2021-08-31 03:39:00,709 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 494 [2021-08-31 03:39:00,709 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 496 [2021-08-31 03:39:00,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1996 states and 3655 transitions. [2021-08-31 03:39:00,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 03:39:00,710 INFO L681 BuchiCegarLoop]: Abstraction has 1996 states and 3655 transitions. [2021-08-31 03:39:00,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states and 3655 transitions. [2021-08-31 03:39:00,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1039. [2021-08-31 03:39:00,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 1039 states have (on average 1.8229066410009624) internal successors, (1894), 1038 states have internal predecessors, (1894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:39:00,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1894 transitions. [2021-08-31 03:39:00,725 INFO L704 BuchiCegarLoop]: Abstraction has 1039 states and 1894 transitions. [2021-08-31 03:39:00,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:39:00,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 03:39:00,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 03:39:00,727 INFO L87 Difference]: Start difference. First operand 1039 states and 1894 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:39:01,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:39:01,373 INFO L93 Difference]: Finished difference Result 1039 states and 1893 transitions. [2021-08-31 03:39:01,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 03:39:01,373 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1893 transitions. [2021-08-31 03:39:01,376 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2021-08-31 03:39:01,379 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 1039 states and 1893 transitions. [2021-08-31 03:39:01,379 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 281 [2021-08-31 03:39:01,379 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 281 [2021-08-31 03:39:01,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1039 states and 1893 transitions. [2021-08-31 03:39:01,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 03:39:01,379 INFO L681 BuchiCegarLoop]: Abstraction has 1039 states and 1893 transitions. [2021-08-31 03:39:01,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states and 1893 transitions. [2021-08-31 03:39:01,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1039. [2021-08-31 03:39:01,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 1039 states have (on average 1.821944177093359) internal successors, (1893), 1038 states have internal predecessors, (1893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:39:01,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1893 transitions. [2021-08-31 03:39:01,400 INFO L704 BuchiCegarLoop]: Abstraction has 1039 states and 1893 transitions. [2021-08-31 03:39:01,400 INFO L587 BuchiCegarLoop]: Abstraction has 1039 states and 1893 transitions. [2021-08-31 03:39:01,400 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 03:39:01,400 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1039 states and 1893 transitions. [2021-08-31 03:39:01,401 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2021-08-31 03:39:01,401 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:39:01,402 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:39:01,402 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:39:01,402 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:39:01,403 INFO L791 eck$LassoCheckResult]: Stem: 274130#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(36);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string42.base, #t~string42.offset, 1);call write~init~int(115, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(10, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(16);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(10);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(34);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(30);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(16);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(20);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(22);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(21);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(44);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(44);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(9);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(9);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(11);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(19);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string127.base, #t~string127.offset, 1);call write~init~int(100, #t~string127.base, 1 + #t~string127.offset, 1);call write~init~int(10, #t~string127.base, 2 + #t~string127.offset, 1);call write~init~int(0, #t~string127.base, 3 + #t~string127.offset, 1);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string130.base, #t~string130.offset, 1);call write~init~int(100, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(10, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 3 + #t~string130.offset, 1);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(10);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(12);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(10);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(18);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(16);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(21);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(13);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(16);call #t~string162.base, #t~string162.offset := #Ultimate.allocOnStack(25);~head~0.base, ~head~0.offset := 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;~__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;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 274050#L-1 havoc main_#res;havoc main_#t~ret122, main_~retValue_acc~39, main_~tmp~21;havoc main_~retValue_acc~39;havoc main_~tmp~21;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 274025#L481 havoc select_features_#t~ret45, select_features_#t~ret46, select_features_#t~ret47, select_features_#t~ret48, select_features_#t~ret49, select_features_#t~ret50, select_features_#t~ret51, select_features_#t~ret52;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 273570#L454 select_features_#t~ret45 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret45;havoc select_features_#t~ret45;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 273571#L454-1 select_features_#t~ret46 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret46;havoc select_features_#t~ret46;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 273646#L454-2 select_features_#t~ret47 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret47;havoc select_features_#t~ret47;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 273647#L454-3 select_features_#t~ret48 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret48;havoc select_features_#t~ret48;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 273824#L454-4 select_features_#t~ret49 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret49;havoc select_features_#t~ret49;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 274049#L454-5 select_features_#t~ret50 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret50;havoc select_features_#t~ret50;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 273941#L454-6 select_features_#t~ret51 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret51;havoc select_features_#t~ret51;~__SELECTED_FEATURE_Verify~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 273920#L454-7 select_features_#t~ret52 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret52;havoc select_features_#t~ret52; 273921#L473 havoc valid_product_#res;havoc valid_product_~retValue_acc~5, valid_product_~tmp~3;havoc valid_product_~retValue_acc~5;havoc valid_product_~tmp~3; 273948#L489 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 274009#L493 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 273842#L498 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 273713#L503 assume 0 == ~__SELECTED_FEATURE_Sign~0; 273680#L508 assume !(0 == ~__SELECTED_FEATURE_Verify~0); 273681#L512 assume 0 != ~__SELECTED_FEATURE_Sign~0; 273890#L513 assume 0 == ~__SELECTED_FEATURE_Sign~0; 273600#L518 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~3 := 1; 273601#L492-1 valid_product_~retValue_acc~5 := valid_product_~tmp~3;valid_product_#res := valid_product_~retValue_acc~5; 273726#L549 main_#t~ret122 := valid_product_#res;main_~tmp~21 := main_#t~ret122;havoc main_#t~ret122; 273727#L3107 assume 0 != main_~tmp~21;havoc setup_#t~nondet117, setup_#t~nondet119, setup_#t~nondet121, 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; 273929#L2951 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 273930#L1617-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 273794#L1623-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string116.base, #t~string116.offset;havoc setup_#t~nondet117;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 273795#L2989 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 273557#L1617-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 273558#L1623-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string118.base, #t~string118.offset;havoc setup_#t~nondet119;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 273635#L3027 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 273859#L1617-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 273652#L1623-17 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string120.base, #t~string120.offset;havoc setup_#t~nondet121; 274097#L3094 havoc test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, 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~6, 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~6;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; 274098#L1876-1 assume !false; 274191#L1685 assume test_~splverifierCounter~0 < 4; 274062#L1686 [2021-08-31 03:39:01,404 INFO L793 eck$LassoCheckResult]: Loop: 274062#L1686 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 274063#L1692 assume !(0 == test_~op1~0); 273690#L1709 assume !(0 == test_~op2~0); 273860#L1727 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet57;havoc test_#t~nondet57; 273861#L1732 assume 0 != test_~tmp___7~0; 273594#L1733 assume !(0 != ~__SELECTED_FEATURE_Keys~0); 273596#L1733-1 test_~op3~0 := 1; 273614#L1876-1 assume !false; 274051#L1685 assume test_~splverifierCounter~0 < 4; 274062#L1686 [2021-08-31 03:39:01,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:39:01,404 INFO L82 PathProgramCache]: Analyzing trace with hash -274677724, now seen corresponding path program 1 times [2021-08-31 03:39:01,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:39:01,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571531462] [2021-08-31 03:39:01,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:39:01,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:39:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:39:01,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 03:39:01,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:39:01,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571531462] [2021-08-31 03:39:01,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571531462] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:39:01,464 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:39:01,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 03:39:01,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054852586] [2021-08-31 03:39:01,466 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 03:39:01,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:39:01,467 INFO L82 PathProgramCache]: Analyzing trace with hash -986478044, now seen corresponding path program 1 times [2021-08-31 03:39:01,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:39:01,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764123669] [2021-08-31 03:39:01,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:39:01,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:39:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:39:01,473 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:39:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:39:01,483 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:39:01,511 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 03:39:01,512 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 03:39:01,512 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 03:39:01,512 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 03:39:01,512 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-31 03:39:01,512 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:39:01,512 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 03:39:01,512 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 03:39:01,512 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration3_Loop [2021-08-31 03:39:01,512 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 03:39:01,513 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 03:39:01,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:39:01,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:39:01,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:39:01,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:39:01,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:39:01,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:39:01,575 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 03:39:01,575 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-31 03:39:01,575 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:39:01,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:39:01,589 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:39:01,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-08-31 03:39:01,598 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 03:39:01,598 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:39:01,621 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 03:39:01,621 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__SELECTED_FEATURE_Keys~0=0} Honda state: {~__SELECTED_FEATURE_Keys~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 03:39:01,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-31 03:39:01,661 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:39:01,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:39:01,672 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:39:01,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-08-31 03:39:01,726 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 03:39:01,726 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:39:01,761 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 03:39:01,761 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet57=5, ULTIMATE.start_test_~tmp___7~0=5} Honda state: {ULTIMATE.start_test_#t~nondet57=5, ULTIMATE.start_test_~tmp___7~0=5} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 03:39:01,779 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-08-31 03:39:01,780 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:39:01,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:39:01,789 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:39:01,828 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 03:39:01,829 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:39:01,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-08-31 03:39:01,859 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 03:39:01,859 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=4} Honda state: {ULTIMATE.start_test_~op1~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 03:39:01,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-08-31 03:39:01,907 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:39:01,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:39:01,908 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:39:01,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-08-31 03:39:01,910 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 03:39:01,910 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:39:01,933 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-08-31 03:39:01,934 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:39:01,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:39:01,935 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:39:01,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-08-31 03:39:01,937 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-31 03:39:01,937 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:39:02,007 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-31 03:39:02,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-08-31 03:39:02,013 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 03:39:02,013 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 03:39:02,013 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 03:39:02,013 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 03:39:02,013 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 03:39:02,013 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:39:02,013 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 03:39:02,013 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 03:39:02,013 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration3_Loop [2021-08-31 03:39:02,013 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 03:39:02,013 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 03:39:02,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:39:02,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:39:02,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:39:02,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:39:02,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:39:02,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:39:02,114 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 03:39:02,115 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 03:39:02,115 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:39:02,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:39:02,116 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:39:02,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-08-31 03:39:02,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 03:39:02,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 03:39:02,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 03:39:02,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 03:39:02,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 03:39:02,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 03:39:02,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 03:39:02,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 03:39:02,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 03:39:02,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-08-31 03:39:02,158 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:39:02,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:39:02,159 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:39:02,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-08-31 03:39:02,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 03:39:02,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 03:39:02,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 03:39:02,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 03:39:02,167 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-31 03:39:02,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 03:39:02,168 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-31 03:39:02,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 03:39:02,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 03:39:02,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-08-31 03:39:02,199 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:39:02,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:39:02,200 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:39:02,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-08-31 03:39:02,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 03:39:02,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 03:39:02,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 03:39:02,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 03:39:02,208 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-31 03:39:02,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 03:39:02,208 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-31 03:39:02,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 03:39:02,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 03:39:02,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-08-31 03:39:02,240 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:39:02,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:39:02,241 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:39:02,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-08-31 03:39:02,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 03:39:02,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 03:39:02,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 03:39:02,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 03:39:02,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 03:39:02,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 03:39:02,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 03:39:02,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 03:39:02,265 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 03:39:02,267 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-31 03:39:02,267 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-31 03:39:02,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:39:02,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:39:02,268 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:39:02,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-08-31 03:39:02,270 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 03:39:02,270 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-31 03:39:02,270 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 03:39:02,270 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 5 Supporting invariants [] [2021-08-31 03:39:02,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-08-31 03:39:02,286 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-31 03:39:02,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:39:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:39:02,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 03:39:02,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 03:39:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:39:02,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 03:39:02,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 03:39:02,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 03:39:02,501 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-08-31 03:39:02,501 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1039 states and 1893 transitions. cyclomatic complexity: 858 Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:39:03,412 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1039 states and 1893 transitions. cyclomatic complexity: 858. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2228 states and 4084 transitions. Complement of second has 4 states. [2021-08-31 03:39:03,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-31 03:39:03,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:39:03,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 600 transitions. [2021-08-31 03:39:03,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 600 transitions. Stem has 35 letters. Loop has 9 letters. [2021-08-31 03:39:03,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 03:39:03,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 600 transitions. Stem has 44 letters. Loop has 9 letters. [2021-08-31 03:39:03,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 03:39:03,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 600 transitions. Stem has 35 letters. Loop has 18 letters. [2021-08-31 03:39:03,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 03:39:03,414 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2228 states and 4084 transitions. [2021-08-31 03:39:03,418 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 03:39:03,418 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2228 states to 0 states and 0 transitions. [2021-08-31 03:39:03,418 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 03:39:03,418 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 03:39:03,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 03:39:03,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:39:03,418 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 03:39:03,419 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 03:39:03,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:39:03,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 03:39:03,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 03:39:03,419 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:39:03,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:39:03,419 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-08-31 03:39:03,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-31 03:39:03,420 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-08-31 03:39:03,420 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 03:39:03,420 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-08-31 03:39:03,420 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 03:39:03,420 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 03:39:03,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 03:39:03,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:39:03,420 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 03:39:03,420 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 03:39:03,420 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 03:39:03,420 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-31 03:39:03,420 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-31 03:39:03,420 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 03:39:03,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 03:39:03,422 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.toString(StatisticsData.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerTimingBenchmark.toString(BuchiAutomizerTimingBenchmark.java:44) at de.uni_freiburg.informatik.ultimate.core.lib.results.StatisticsResult.getLongDescription(StatisticsResult.java:58) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.reportResult(BuchiAutomizerObserver.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-31 03:39:03,425 INFO L158 Benchmark]: Toolchain (without parser) took 166353.55ms. Allocated memory was 69.2MB in the beginning and 12.0GB in the end (delta: 11.9GB). Free memory was 49.1MB in the beginning and 9.3GB in the end (delta: -9.2GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. [2021-08-31 03:39:03,425 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 69.2MB. Free memory was 52.0MB in the beginning and 51.9MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 03:39:03,425 INFO L158 Benchmark]: CACSL2BoogieTranslator took 624.27ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 49.0MB in the beginning and 73.3MB in the end (delta: -24.3MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2021-08-31 03:39:03,426 INFO L158 Benchmark]: Boogie Procedure Inliner took 4038.68ms. Allocated memory was 96.5MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 73.3MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 557.4MB. Max. memory is 16.1GB. [2021-08-31 03:39:03,426 INFO L158 Benchmark]: Boogie Preprocessor took 3282.10ms. Allocated memory was 2.1GB in the beginning and 6.2GB in the end (delta: 4.2GB). Free memory was 1.6GB in the beginning and 5.5GB in the end (delta: -3.9GB). Peak memory consumption was 375.4MB. Max. memory is 16.1GB. [2021-08-31 03:39:03,426 INFO L158 Benchmark]: RCFGBuilder took 7443.40ms. Allocated memory was 6.2GB in the beginning and 10.8GB in the end (delta: 4.6GB). Free memory was 5.5GB in the beginning and 9.5GB in the end (delta: -4.1GB). Peak memory consumption was 842.0MB. Max. memory is 16.1GB. [2021-08-31 03:39:03,427 INFO L158 Benchmark]: BuchiAutomizer took 150959.64ms. Allocated memory was 10.8GB in the beginning and 12.0GB in the end (delta: 1.1GB). Free memory was 9.5GB in the beginning and 9.3GB in the end (delta: 285.2MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2021-08-31 03:39:03,428 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 69.2MB. Free memory was 52.0MB in the beginning and 51.9MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 624.27ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 49.0MB in the beginning and 73.3MB in the end (delta: -24.3MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 4038.68ms. Allocated memory was 96.5MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 73.3MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 557.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3282.10ms. Allocated memory was 2.1GB in the beginning and 6.2GB in the end (delta: 4.2GB). Free memory was 1.6GB in the beginning and 5.5GB in the end (delta: -3.9GB). Peak memory consumption was 375.4MB. Max. memory is 16.1GB. * RCFGBuilder took 7443.40ms. Allocated memory was 6.2GB in the beginning and 10.8GB in the end (delta: 4.6GB). Free memory was 5.5GB in the beginning and 9.5GB in the end (delta: -4.1GB). Peak memory consumption was 842.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 150959.64ms. Allocated memory was 10.8GB in the beginning and 12.0GB in the end (delta: 1.1GB). Free memory was 9.5GB in the beginning and 9.3GB in the end (delta: 285.2MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op1 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * op2 + 1 and consists of 4 locations. One deterministic module has affine ranking function 5 + -2 * splverifierCounter and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6): de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-31 03:39:03,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-08-31 03:39:03,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-08-31 03:39:03,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...